/* ========================================
   THE GEEK NETWORK - DESIGN SYSTEM
   Glassmorphic iOS-Inspired Design Language
   Version 2.0

   Primary: #2196F3 (TGN Blue)
   Font: Comfortaa
   Theme: Light with glassmorphic effects
======================================== */

/* ========================================
   FONTS - Comfortaa Typography
======================================== */
@import url('https://fonts.googleapis.com/css2?family=Comfortaa:wght@300;400;500;600;700&family=Poppins:wght@300;400;500;600;700&display=swap');

/* ========================================
   CSS CUSTOM PROPERTIES - DESIGN TOKENS
======================================== */
:root {
    /* ===== Typography ===== */
    --tgn-font-primary: 'Comfortaa', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
    --tgn-font-secondary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --tgn-font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;

    /* Font Weights */
    --tgn-font-light: 300;
    --tgn-font-regular: 400;
    --tgn-font-medium: 500;
    --tgn-font-semibold: 600;
    --tgn-font-bold: 700;

    /* Font Sizes - Fluid Typography */
    --tgn-text-xs: clamp(0.69rem, 0.66rem + 0.18vw, 0.78rem);
    --tgn-text-sm: clamp(0.83rem, 0.78rem + 0.29vw, 1rem);
    --tgn-text-base: clamp(1rem, 0.91rem + 0.43vw, 1.25rem);
    --tgn-text-lg: clamp(1.2rem, 1.07rem + 0.63vw, 1.56rem);
    --tgn-text-xl: clamp(1.44rem, 1.26rem + 0.89vw, 1.95rem);
    --tgn-text-2xl: clamp(1.73rem, 1.48rem + 1.24vw, 2.44rem);
    --tgn-text-3xl: clamp(2.07rem, 1.73rem + 1.7vw, 3.05rem);
    --tgn-text-4xl: clamp(2.49rem, 2.03rem + 2.31vw, 3.82rem);

    /* Line Heights */
    --tgn-leading-none: 1;
    --tgn-leading-tight: 1.2;
    --tgn-leading-snug: 1.375;
    --tgn-leading-normal: 1.5;
    --tgn-leading-relaxed: 1.625;

    /* Letter Spacing */
    --tgn-tracking-tighter: -0.05em;
    --tgn-tracking-tight: -0.025em;
    --tgn-tracking-normal: 0;
    --tgn-tracking-wide: 0.025em;
    --tgn-tracking-wider: 0.05em;

    /* ===== TGN Brand Colors ===== */
    --tgn-primary: #2196F3;
    --tgn-primary-rgb: 33, 150, 243;
    --tgn-primary-light: #64B5F6;
    --tgn-primary-dark: #2196F3;
    --tgn-primary-darker: #0D47A1;

    /* Secondary Brand */
    --tgn-secondary: #0D47A1;
    --tgn-secondary-rgb: 13, 71, 161;
    --tgn-secondary-light: #1976D2;

    /* ===== Light Theme Colors (Default) ===== */
    --tgn-bg-primary: #f5f7fa;
    --tgn-bg-secondary: #ffffff;
    --tgn-bg-tertiary: #fafbfc;
    --tgn-bg-elevated: #ffffff;
    --tgn-bg-sunken: #eef2f7;

    /* Glass Effects - Light */
    --tgn-glass-bg: rgba(255, 255, 255, 0.72);
    --tgn-glass-bg-strong: rgba(255, 255, 255, 0.88);
    --tgn-glass-bg-subtle: rgba(255, 255, 255, 0.45);
    --tgn-glass-border: rgba(255, 255, 255, 0.6);
    --tgn-glass-border-subtle: rgba(255, 255, 255, 0.25);
    --tgn-glass-shadow: rgba(33, 150, 243, 0.08);

    /* Text Colors - Light */
    --tgn-text-primary: #0D47A1;
    --tgn-text-secondary: #5d6d7e;
    --tgn-text-tertiary: #85929e;
    --tgn-text-quaternary: #aeb6bf;
    --tgn-text-inverse: #ffffff;
    --tgn-text-link: #2196F3;
    --tgn-text-link-hover: #64B5F6;

    /* Accent Colors */
    --tgn-accent-blue: #2196F3;
    --tgn-accent-blue-rgb: 33, 150, 243;
    --tgn-accent-green: #27ae60;
    --tgn-accent-green-rgb: 39, 174, 96;
    --tgn-accent-orange: #e67e22;
    --tgn-accent-orange-rgb: 230, 126, 34;
    --tgn-accent-red: #e74c3c;
    --tgn-accent-red-rgb: 231, 76, 60;
    --tgn-accent-purple: #9b59b6;
    --tgn-accent-purple-rgb: 155, 89, 182;
    --tgn-accent-pink: #e91e63;
    --tgn-accent-pink-rgb: 233, 30, 99;
    --tgn-accent-teal: #1abc9c;
    --tgn-accent-teal-rgb: 26, 188, 156;
    --tgn-accent-yellow: #f1c40f;
    --tgn-accent-yellow-rgb: 241, 196, 15;

    /* Semantic Colors */
    --tgn-success: var(--tgn-accent-green);
    --tgn-success-rgb: var(--tgn-accent-green-rgb);
    --tgn-warning: var(--tgn-accent-orange);
    --tgn-warning-rgb: var(--tgn-accent-orange-rgb);
    --tgn-danger: var(--tgn-accent-red);
    --tgn-danger-rgb: var(--tgn-accent-red-rgb);
    --tgn-info: var(--tgn-accent-blue);
    --tgn-info-rgb: var(--tgn-accent-blue-rgb);

    /* Panik Emergency Red (Exception - Safety Critical) */
    --tgn-emergency: #c0392b;
    --tgn-emergency-rgb: 192, 57, 43;
    --tgn-emergency-light: #e74c3c;

    /* Borders */
    --tgn-border-color: rgba(13, 71, 161, 0.08);
    --tgn-border-color-strong: rgba(13, 71, 161, 0.12);
    --tgn-border-color-hover: rgba(13, 71, 161, 0.18);
    --tgn-border-focus: var(--tgn-primary);

    /* Shadows - Soft iOS-Style */
    --tgn-shadow-xs: 0 1px 2px rgba(13, 71, 161, 0.04);
    --tgn-shadow-sm: 0 2px 8px rgba(13, 71, 161, 0.06), 0 1px 2px rgba(13, 71, 161, 0.04);
    --tgn-shadow-md: 0 4px 16px rgba(13, 71, 161, 0.08), 0 2px 4px rgba(13, 71, 161, 0.04);
    --tgn-shadow-lg: 0 8px 32px rgba(13, 71, 161, 0.10), 0 4px 8px rgba(13, 71, 161, 0.04);
    --tgn-shadow-xl: 0 16px 48px rgba(13, 71, 161, 0.12), 0 8px 16px rgba(13, 71, 161, 0.06);
    --tgn-shadow-2xl: 0 24px 64px rgba(13, 71, 161, 0.14), 0 12px 24px rgba(13, 71, 161, 0.08);

    /* Glow Effects */
    --tgn-glow-primary: 0 0 40px rgba(var(--tgn-primary-rgb), 0.25);
    --tgn-glow-success: 0 0 40px rgba(var(--tgn-accent-green-rgb), 0.25);
    --tgn-glow-danger: 0 0 40px rgba(var(--tgn-accent-red-rgb), 0.25);

    /* ===== Spacing Scale ===== */
    --tgn-space-0: 0;
    --tgn-space-1: 0.25rem;   /* 4px */
    --tgn-space-2: 0.5rem;    /* 8px */
    --tgn-space-3: 0.75rem;   /* 12px */
    --tgn-space-4: 1rem;      /* 16px */
    --tgn-space-5: 1.25rem;   /* 20px */
    --tgn-space-6: 1.5rem;    /* 24px */
    --tgn-space-8: 2rem;      /* 32px */
    --tgn-space-10: 2.5rem;   /* 40px */
    --tgn-space-12: 3rem;     /* 48px */
    --tgn-space-16: 4rem;     /* 64px */
    --tgn-space-20: 5rem;     /* 80px */
    --tgn-space-24: 6rem;     /* 96px */

    /* ===== Border Radius - iOS Style ===== */
    --tgn-radius-none: 0;
    --tgn-radius-sm: 8px;
    --tgn-radius-md: 12px;
    --tgn-radius-lg: 16px;
    --tgn-radius-xl: 20px;
    --tgn-radius-2xl: 24px;
    --tgn-radius-3xl: 32px;
    --tgn-radius-full: 9999px;

    /* ===== Blur Values ===== */
    --tgn-blur-sm: 8px;
    --tgn-blur-md: 16px;
    --tgn-blur-lg: 24px;
    --tgn-blur-xl: 40px;
    --tgn-blur-2xl: 64px;

    /* ===== Transitions - Smooth iOS-Style ===== */
    --tgn-ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --tgn-ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --tgn-ease-in-out-quad: cubic-bezier(0.45, 0, 0.55, 1);
    --tgn-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --tgn-ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

    --tgn-duration-instant: 0.1s;
    --tgn-duration-fast: 0.15s;
    --tgn-duration-normal: 0.25s;
    --tgn-duration-slow: 0.4s;
    --tgn-duration-slower: 0.6s;

    --tgn-transition-fast: var(--tgn-duration-fast) var(--tgn-ease-out-expo);
    --tgn-transition-normal: var(--tgn-duration-normal) var(--tgn-ease-out-expo);
    --tgn-transition-slow: var(--tgn-duration-slow) var(--tgn-ease-out-expo);
    --tgn-transition-spring: var(--tgn-duration-normal) var(--tgn-ease-spring);

    /* ===== Z-Index Scale ===== */
    --tgn-z-base: 0;
    --tgn-z-raised: 10;
    --tgn-z-dropdown: 100;
    --tgn-z-sticky: 200;
    --tgn-z-overlay: 300;
    --tgn-z-modal: 400;
    --tgn-z-popover: 500;
    --tgn-z-toast: 600;
    --tgn-z-tooltip: 700;
    --tgn-z-emergency: 9999;

    /* ===== Container Widths ===== */
    --tgn-container-sm: 640px;
    --tgn-container-md: 768px;
    --tgn-container-lg: 1024px;
    --tgn-container-xl: 1280px;
    --tgn-container-2xl: 1536px;

    /* ===== Safe Area (Mobile) ===== */
    --tgn-safe-top: env(safe-area-inset-top);
    --tgn-safe-bottom: env(safe-area-inset-bottom);
    --tgn-safe-left: env(safe-area-inset-left);
    --tgn-safe-right: env(safe-area-inset-right);
}

/* ========================================
   DARK THEME (Future - Placeholder)
======================================== */
[data-theme="dark"],
.tgn-dark {
    --tgn-bg-primary: #0a0a0a;
    --tgn-bg-secondary: #1a1a24;
    --tgn-bg-tertiary: #252532;
    --tgn-bg-elevated: #1a1a24;
    --tgn-bg-sunken: #050508;

    --tgn-glass-bg: rgba(26, 26, 36, 0.75);
    --tgn-glass-bg-strong: rgba(37, 37, 50, 0.88);
    --tgn-glass-bg-subtle: rgba(26, 26, 36, 0.45);
    --tgn-glass-border: rgba(255, 255, 255, 0.1);
    --tgn-glass-border-subtle: rgba(255, 255, 255, 0.05);

    --tgn-text-primary: #f5f7fa;
    --tgn-text-secondary: #a1a8b4;
    --tgn-text-tertiary: #6c7686;
    --tgn-text-quaternary: #454d5c;
    --tgn-text-inverse: #1a1a24;
    --tgn-text-link: #64B5F6;
    --tgn-text-link-hover: #5dade2;

    --tgn-border-color: rgba(255, 255, 255, 0.08);
    --tgn-border-color-strong: rgba(255, 255, 255, 0.12);
    --tgn-border-color-hover: rgba(255, 255, 255, 0.18);

    --tgn-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --tgn-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --tgn-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --tgn-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.7);

    --tgn-glow-primary: 0 0 60px rgba(var(--tgn-primary-rgb), 0.35);
}

/* ========================================
   BASE STYLES
======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

body {
    font-family: var(--tgn-font-primary);
    font-weight: var(--tgn-font-regular);
    line-height: var(--tgn-leading-normal);
    color: var(--tgn-text-primary);
    background-color: var(--tgn-bg-primary);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    transition: background-color var(--tgn-transition-slow), color var(--tgn-transition-slow);
}

/* ========================================
   TYPOGRAPHY SYSTEM
======================================== */
.tgn-display {
    font-family: var(--tgn-font-primary);
    font-size: var(--tgn-text-4xl);
    font-weight: var(--tgn-font-bold);
    line-height: var(--tgn-leading-tight);
    letter-spacing: var(--tgn-tracking-tight);
    color: var(--tgn-text-primary);
}

.tgn-headline {
    font-family: var(--tgn-font-primary);
    font-size: var(--tgn-text-3xl);
    font-weight: var(--tgn-font-semibold);
    line-height: var(--tgn-leading-tight);
    letter-spacing: var(--tgn-tracking-tight);
    color: var(--tgn-text-primary);
}

.tgn-title-1 {
    font-family: var(--tgn-font-primary);
    font-size: var(--tgn-text-2xl);
    font-weight: var(--tgn-font-semibold);
    line-height: var(--tgn-leading-snug);
    color: var(--tgn-text-primary);
}

.tgn-title-2 {
    font-family: var(--tgn-font-primary);
    font-size: var(--tgn-text-xl);
    font-weight: var(--tgn-font-semibold);
    line-height: var(--tgn-leading-snug);
    color: var(--tgn-text-primary);
}

.tgn-title-3 {
    font-family: var(--tgn-font-primary);
    font-size: var(--tgn-text-lg);
    font-weight: var(--tgn-font-medium);
    line-height: var(--tgn-leading-snug);
    color: var(--tgn-text-primary);
}

.tgn-body {
    font-family: var(--tgn-font-secondary);
    font-size: var(--tgn-text-base);
    font-weight: var(--tgn-font-regular);
    line-height: var(--tgn-leading-normal);
    color: var(--tgn-text-primary);
}

.tgn-body-emphasis {
    font-family: var(--tgn-font-secondary);
    font-size: var(--tgn-text-base);
    font-weight: var(--tgn-font-medium);
    line-height: var(--tgn-leading-normal);
    color: var(--tgn-text-primary);
}

.tgn-caption {
    font-family: var(--tgn-font-secondary);
    font-size: var(--tgn-text-sm);
    font-weight: var(--tgn-font-regular);
    line-height: var(--tgn-leading-normal);
    color: var(--tgn-text-secondary);
}

.tgn-overline {
    font-family: var(--tgn-font-primary);
    font-size: var(--tgn-text-xs);
    font-weight: var(--tgn-font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tgn-tracking-wider);
    color: var(--tgn-text-tertiary);
}

/* ========================================
   GLASSMORPHISM COMPONENTS
======================================== */

/* Glass Panel - Base */
.tgn-glass {
    background: var(--tgn-glass-bg);
    backdrop-filter: blur(var(--tgn-blur-lg)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--tgn-blur-lg)) saturate(180%);
    border: 1px solid var(--tgn-glass-border);
    border-radius: var(--tgn-radius-xl);
}

.tgn-glass-subtle {
    background: var(--tgn-glass-bg-subtle);
    backdrop-filter: blur(var(--tgn-blur-md));
    -webkit-backdrop-filter: blur(var(--tgn-blur-md));
    border: 1px solid var(--tgn-glass-border-subtle);
    border-radius: var(--tgn-radius-lg);
}

.tgn-glass-strong {
    background: var(--tgn-glass-bg-strong);
    backdrop-filter: blur(var(--tgn-blur-xl)) saturate(200%);
    -webkit-backdrop-filter: blur(var(--tgn-blur-xl)) saturate(200%);
    border: 1px solid var(--tgn-glass-border);
    border-radius: var(--tgn-radius-xl);
}

/* Glass Card */
.tgn-glass-card {
    background: var(--tgn-glass-bg);
    backdrop-filter: blur(var(--tgn-blur-lg)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--tgn-blur-lg)) saturate(180%);
    border: 1px solid var(--tgn-glass-border);
    border-radius: var(--tgn-radius-2xl);
    box-shadow: var(--tgn-shadow-md);
    transition: transform var(--tgn-transition-normal),
                box-shadow var(--tgn-transition-normal),
                border-color var(--tgn-transition-fast);
}

.tgn-glass-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--tgn-shadow-xl);
    border-color: rgba(var(--tgn-primary-rgb), 0.2);
}

/* Glass Navigation Bar */
.tgn-glass-nav {
    background: var(--tgn-glass-bg-strong);
    backdrop-filter: blur(var(--tgn-blur-xl)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--tgn-blur-xl)) saturate(180%);
    border-bottom: 1px solid var(--tgn-border-color);
    position: sticky;
    top: 0;
    z-index: var(--tgn-z-sticky);
}

/* Glass Tab Bar (iOS-style bottom nav) */
.tgn-glass-tabbar {
    background: var(--tgn-glass-bg-strong);
    backdrop-filter: blur(var(--tgn-blur-xl)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--tgn-blur-xl)) saturate(180%);
    border-top: 1px solid var(--tgn-border-color);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--tgn-z-sticky);
    padding-bottom: var(--tgn-safe-bottom);
}

/* ========================================
   BUTTON SYSTEM
======================================== */
.tgn-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--tgn-space-2);
    padding: var(--tgn-space-3) var(--tgn-space-6);
    font-family: var(--tgn-font-primary);
    font-size: var(--tgn-text-sm);
    font-weight: var(--tgn-font-semibold);
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--tgn-radius-full);
    cursor: pointer;
    transition: all var(--tgn-transition-fast);
    white-space: nowrap;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.tgn-btn:focus-visible {
    outline: 2px solid var(--tgn-primary);
    outline-offset: 2px;
}

.tgn-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Primary Button */
.tgn-btn-primary {
    background: linear-gradient(135deg, var(--tgn-primary) 0%, var(--tgn-primary-dark) 100%);
    color: var(--tgn-text-inverse);
    box-shadow: var(--tgn-shadow-sm), 0 0 0 0 rgba(var(--tgn-primary-rgb), 0);
}

.tgn-btn-primary:hover {
    background: linear-gradient(135deg, var(--tgn-primary-light) 0%, var(--tgn-primary) 100%);
    transform: translateY(-2px);
    box-shadow: var(--tgn-shadow-md), var(--tgn-glow-primary);
}

.tgn-btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--tgn-shadow-xs);
}

/* Secondary Button (Glass) */
.tgn-btn-secondary {
    background: var(--tgn-glass-bg);
    backdrop-filter: blur(var(--tgn-blur-md));
    -webkit-backdrop-filter: blur(var(--tgn-blur-md));
    color: var(--tgn-text-primary);
    border: 1px solid var(--tgn-border-color-strong);
}

.tgn-btn-secondary:hover {
    background: var(--tgn-glass-bg-strong);
    border-color: var(--tgn-primary);
    color: var(--tgn-primary);
    transform: translateY(-1px);
    box-shadow: var(--tgn-shadow-md);
}

/* Ghost Button */
.tgn-btn-ghost {
    background: transparent;
    color: var(--tgn-primary);
}

.tgn-btn-ghost:hover {
    background: rgba(var(--tgn-primary-rgb), 0.1);
}

/* Danger Button (for Panik/Emergency) */
.tgn-btn-danger {
    background: linear-gradient(135deg, var(--tgn-danger) 0%, var(--tgn-emergency) 100%);
    color: var(--tgn-text-inverse);
    box-shadow: var(--tgn-shadow-sm);
}

.tgn-btn-danger:hover {
    background: linear-gradient(135deg, var(--tgn-emergency-light) 0%, var(--tgn-danger) 100%);
    transform: translateY(-2px);
    box-shadow: var(--tgn-shadow-md), var(--tgn-glow-danger);
}

/* Success Button */
.tgn-btn-success {
    background: linear-gradient(135deg, var(--tgn-success) 0%, #1e8449 100%);
    color: var(--tgn-text-inverse);
    box-shadow: var(--tgn-shadow-sm);
}

.tgn-btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--tgn-shadow-md), var(--tgn-glow-success);
}

/* Button Sizes */
.tgn-btn-sm {
    padding: var(--tgn-space-2) var(--tgn-space-4);
    font-size: var(--tgn-text-xs);
}

.tgn-btn-lg {
    padding: var(--tgn-space-4) var(--tgn-space-8);
    font-size: var(--tgn-text-base);
}

.tgn-btn-xl {
    padding: var(--tgn-space-5) var(--tgn-space-10);
    font-size: var(--tgn-text-lg);
}

.tgn-btn-icon {
    padding: var(--tgn-space-3);
    border-radius: var(--tgn-radius-full);
}

.tgn-btn-block {
    width: 100%;
}

/* ========================================
   CARD SYSTEM
======================================== */
.tgn-card {
    background: var(--tgn-bg-secondary);
    border-radius: var(--tgn-radius-2xl);
    border: 1px solid var(--tgn-border-color);
    overflow: hidden;
    transition: all var(--tgn-transition-normal);
}

.tgn-card:hover {
    border-color: var(--tgn-border-color-strong);
    box-shadow: var(--tgn-shadow-lg);
}

.tgn-card-elevated {
    background: var(--tgn-bg-elevated);
    border-radius: var(--tgn-radius-2xl);
    box-shadow: var(--tgn-shadow-lg);
    border: none;
    transition: all var(--tgn-transition-normal);
}

.tgn-card-elevated:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--tgn-shadow-2xl);
}

.tgn-card-interactive {
    cursor: pointer;
}

.tgn-card-interactive:active {
    transform: scale(0.98);
}

/* Card Sections */
.tgn-card-header {
    padding: var(--tgn-space-4) var(--tgn-space-5);
    border-bottom: 1px solid var(--tgn-border-color);
}

.tgn-card-body {
    padding: var(--tgn-space-5);
}

.tgn-card-footer {
    padding: var(--tgn-space-4) var(--tgn-space-5);
    border-top: 1px solid var(--tgn-border-color);
    background: var(--tgn-bg-tertiary);
}

/* ========================================
   INPUT SYSTEM
======================================== */
.tgn-input {
    width: 100%;
    padding: var(--tgn-space-3) var(--tgn-space-4);
    font-family: var(--tgn-font-secondary);
    font-size: var(--tgn-text-base);
    color: var(--tgn-text-primary);
    background: var(--tgn-bg-secondary);
    border: 1px solid var(--tgn-border-color-strong);
    border-radius: var(--tgn-radius-lg);
    transition: all var(--tgn-transition-fast);
}

.tgn-input::placeholder {
    color: var(--tgn-text-tertiary);
}

.tgn-input:focus {
    outline: none;
    border-color: var(--tgn-primary);
    box-shadow: 0 0 0 3px rgba(var(--tgn-primary-rgb), 0.15);
}

.tgn-input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--tgn-bg-tertiary);
}

.tgn-input-glass {
    background: var(--tgn-glass-bg);
    backdrop-filter: blur(var(--tgn-blur-md));
    -webkit-backdrop-filter: blur(var(--tgn-blur-md));
    border: 1px solid var(--tgn-glass-border);
}

/* Input with Icon */
.tgn-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.tgn-input-icon {
    position: absolute;
    left: var(--tgn-space-4);
    color: var(--tgn-text-tertiary);
    pointer-events: none;
}

.tgn-input-group .tgn-input {
    padding-left: var(--tgn-space-10);
}

/* ========================================
   BADGE SYSTEM
======================================== */
.tgn-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--tgn-space-1) var(--tgn-space-3);
    font-family: var(--tgn-font-primary);
    font-size: var(--tgn-text-xs);
    font-weight: var(--tgn-font-semibold);
    border-radius: var(--tgn-radius-full);
    white-space: nowrap;
}

.tgn-badge-primary {
    background: rgba(var(--tgn-primary-rgb), 0.15);
    color: var(--tgn-primary);
}

.tgn-badge-success {
    background: rgba(var(--tgn-accent-green-rgb), 0.15);
    color: var(--tgn-accent-green);
}

.tgn-badge-warning {
    background: rgba(var(--tgn-accent-orange-rgb), 0.15);
    color: var(--tgn-accent-orange);
}

.tgn-badge-danger {
    background: rgba(var(--tgn-accent-red-rgb), 0.15);
    color: var(--tgn-accent-red);
}

.tgn-badge-info {
    background: rgba(var(--tgn-accent-teal-rgb), 0.15);
    color: var(--tgn-accent-teal);
}

/* Notification Badge (for icons) */
.tgn-badge-dot {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 12px;
    height: 12px;
    background: var(--tgn-danger);
    border: 2px solid var(--tgn-bg-secondary);
    border-radius: var(--tgn-radius-full);
}

.tgn-badge-count {
    position: absolute;
    top: -8px;
    right: -8px;
    min-width: 20px;
    height: 20px;
    padding: 0 var(--tgn-space-1);
    background: var(--tgn-danger);
    color: var(--tgn-text-inverse);
    font-size: 11px;
    font-weight: var(--tgn-font-bold);
    border: 2px solid var(--tgn-bg-secondary);
    border-radius: var(--tgn-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ========================================
   AVATAR SYSTEM
======================================== */
.tgn-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--tgn-radius-full);
    background: linear-gradient(135deg, var(--tgn-primary) 0%, var(--tgn-primary-dark) 100%);
    color: var(--tgn-text-inverse);
    font-family: var(--tgn-font-primary);
    font-weight: var(--tgn-font-semibold);
    overflow: hidden;
}

.tgn-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tgn-avatar-sm { width: 32px; height: 32px; font-size: 12px; }
.tgn-avatar-md { width: 40px; height: 40px; font-size: 14px; }
.tgn-avatar-lg { width: 56px; height: 56px; font-size: 18px; }
.tgn-avatar-xl { width: 80px; height: 80px; font-size: 24px; }
.tgn-avatar-2xl { width: 120px; height: 120px; font-size: 36px; }

/* ========================================
   LIST SYSTEM
======================================== */
.tgn-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.tgn-list-item {
    display: flex;
    align-items: center;
    gap: var(--tgn-space-3);
    padding: var(--tgn-space-4);
    border-bottom: 1px solid var(--tgn-border-color);
    transition: background-color var(--tgn-transition-fast);
}

.tgn-list-item:last-child {
    border-bottom: none;
}

.tgn-list-item-interactive {
    cursor: pointer;
}

.tgn-list-item-interactive:hover {
    background: var(--tgn-bg-tertiary);
}

.tgn-list-item-interactive:active {
    background: var(--tgn-bg-sunken);
}

/* ========================================
   DIVIDER
======================================== */
.tgn-divider {
    height: 1px;
    background: var(--tgn-border-color);
    border: none;
    margin: var(--tgn-space-4) 0;
}

.tgn-divider-thick {
    height: 8px;
    background: var(--tgn-bg-sunken);
}

/* ========================================
   ANIMATIONS
======================================== */
@keyframes tgn-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes tgn-fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes tgn-fade-in-down {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes tgn-scale-in {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes tgn-slide-in-right {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes tgn-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes tgn-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes tgn-shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes tgn-spin {
    to { transform: rotate(360deg); }
}

@keyframes tgn-shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.tgn-animate-fade-in { animation: tgn-fade-in var(--tgn-duration-normal) var(--tgn-ease-out-expo); }
.tgn-animate-fade-in-up { animation: tgn-fade-in-up var(--tgn-duration-slow) var(--tgn-ease-out-expo); }
.tgn-animate-fade-in-down { animation: tgn-fade-in-down var(--tgn-duration-slow) var(--tgn-ease-out-expo); }
.tgn-animate-scale-in { animation: tgn-scale-in var(--tgn-duration-normal) var(--tgn-ease-spring); }
.tgn-animate-slide-in-right { animation: tgn-slide-in-right var(--tgn-duration-slow) var(--tgn-ease-out-expo); }
.tgn-animate-bounce { animation: tgn-bounce 2s ease-in-out infinite; }
.tgn-animate-pulse { animation: tgn-pulse 2s ease-in-out infinite; }
.tgn-animate-spin { animation: tgn-spin 1s linear infinite; }
.tgn-animate-shake { animation: tgn-shake 0.5s ease-in-out; }

/* Skeleton Loading */
.tgn-skeleton {
    background: linear-gradient(
        90deg,
        var(--tgn-bg-tertiary) 25%,
        var(--tgn-bg-secondary) 50%,
        var(--tgn-bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: tgn-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--tgn-radius-md);
}

/* ========================================
   LAYOUT UTILITIES
======================================== */

/* Container */
.tgn-container {
    width: 100%;
    max-width: var(--tgn-container-xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--tgn-space-4);
    padding-right: var(--tgn-space-4);
}

@media (min-width: 640px) {
    .tgn-container {
        padding-left: var(--tgn-space-6);
        padding-right: var(--tgn-space-6);
    }
}

@media (min-width: 1024px) {
    .tgn-container {
        padding-left: var(--tgn-space-8);
        padding-right: var(--tgn-space-8);
    }
}

/* Page Layout with Safe Areas */
.tgn-page {
    min-height: 100vh;
    padding-top: var(--tgn-safe-top);
    padding-bottom: calc(var(--tgn-safe-bottom) + 80px); /* Account for tab bar */
}

/* Flex */
.tgn-flex { display: flex; }
.tgn-flex-col { flex-direction: column; }
.tgn-flex-wrap { flex-wrap: wrap; }
.tgn-items-center { align-items: center; }
.tgn-items-start { align-items: flex-start; }
.tgn-items-end { align-items: flex-end; }
.tgn-justify-center { justify-content: center; }
.tgn-justify-between { justify-content: space-between; }
.tgn-justify-end { justify-content: flex-end; }
.tgn-flex-1 { flex: 1; }
.tgn-flex-shrink-0 { flex-shrink: 0; }

/* Gap */
.tgn-gap-1 { gap: var(--tgn-space-1); }
.tgn-gap-2 { gap: var(--tgn-space-2); }
.tgn-gap-3 { gap: var(--tgn-space-3); }
.tgn-gap-4 { gap: var(--tgn-space-4); }
.tgn-gap-5 { gap: var(--tgn-space-5); }
.tgn-gap-6 { gap: var(--tgn-space-6); }
.tgn-gap-8 { gap: var(--tgn-space-8); }

/* Grid */
.tgn-grid { display: grid; }
.tgn-grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.tgn-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.tgn-grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Spacing */
.tgn-p-0 { padding: var(--tgn-space-0); }
.tgn-p-2 { padding: var(--tgn-space-2); }
.tgn-p-3 { padding: var(--tgn-space-3); }
.tgn-p-4 { padding: var(--tgn-space-4); }
.tgn-p-5 { padding: var(--tgn-space-5); }
.tgn-p-6 { padding: var(--tgn-space-6); }
.tgn-p-8 { padding: var(--tgn-space-8); }

.tgn-px-4 { padding-left: var(--tgn-space-4); padding-right: var(--tgn-space-4); }
.tgn-py-4 { padding-top: var(--tgn-space-4); padding-bottom: var(--tgn-space-4); }

.tgn-m-0 { margin: var(--tgn-space-0); }
.tgn-m-auto { margin: auto; }
.tgn-mt-2 { margin-top: var(--tgn-space-2); }
.tgn-mt-4 { margin-top: var(--tgn-space-4); }
.tgn-mt-6 { margin-top: var(--tgn-space-6); }
.tgn-mt-8 { margin-top: var(--tgn-space-8); }
.tgn-mb-2 { margin-bottom: var(--tgn-space-2); }
.tgn-mb-4 { margin-bottom: var(--tgn-space-4); }
.tgn-mb-6 { margin-bottom: var(--tgn-space-6); }
.tgn-mb-8 { margin-bottom: var(--tgn-space-8); }

/* Width/Height */
.tgn-w-full { width: 100%; }
.tgn-h-full { height: 100%; }
.tgn-min-h-screen { min-height: 100vh; }

/* Border Radius */
.tgn-rounded { border-radius: var(--tgn-radius-md); }
.tgn-rounded-lg { border-radius: var(--tgn-radius-lg); }
.tgn-rounded-xl { border-radius: var(--tgn-radius-xl); }
.tgn-rounded-2xl { border-radius: var(--tgn-radius-2xl); }
.tgn-rounded-full { border-radius: var(--tgn-radius-full); }

/* Shadows */
.tgn-shadow-sm { box-shadow: var(--tgn-shadow-sm); }
.tgn-shadow-md { box-shadow: var(--tgn-shadow-md); }
.tgn-shadow-lg { box-shadow: var(--tgn-shadow-lg); }
.tgn-shadow-xl { box-shadow: var(--tgn-shadow-xl); }

/* Text */
.tgn-text-center { text-align: center; }
.tgn-text-left { text-align: left; }
.tgn-text-right { text-align: right; }
.tgn-text-primary { color: var(--tgn-text-primary); }
.tgn-text-secondary { color: var(--tgn-text-secondary); }
.tgn-text-muted { color: var(--tgn-text-tertiary); }
.tgn-text-brand { color: var(--tgn-primary); }
.tgn-text-success { color: var(--tgn-success); }
.tgn-text-danger { color: var(--tgn-danger); }
.tgn-text-warning { color: var(--tgn-warning); }

.tgn-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tgn-line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Position */
.tgn-relative { position: relative; }
.tgn-absolute { position: absolute; }
.tgn-fixed { position: fixed; }
.tgn-sticky { position: sticky; }

/* Overflow */
.tgn-overflow-hidden { overflow: hidden; }
.tgn-overflow-auto { overflow: auto; }
.tgn-overflow-x-auto { overflow-x: auto; }
.tgn-overflow-y-auto { overflow-y: auto; }

/* Visibility */
.tgn-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.tgn-hidden { display: none; }

/* ========================================
   SCROLLBAR STYLING
======================================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--tgn-text-quaternary);
    border-radius: var(--tgn-radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--tgn-text-tertiary);
}

.tgn-scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.tgn-scrollbar-hide::-webkit-scrollbar {
    display: none;
}

/* ========================================
   FOCUS & ACCESSIBILITY
======================================== */
:focus-visible {
    outline: 2px solid var(--tgn-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ========================================
   MOBILE-SPECIFIC
======================================== */
@media (max-width: 639px) {
    .tgn-mobile-hidden { display: none; }
    .tgn-mobile-full { width: 100%; }

    .tgn-btn-mobile-full {
        width: 100%;
        justify-content: center;
    }
}

@media (min-width: 640px) {
    .tgn-desktop-hidden { display: none; }
}

/* ========================================
   TGN QUAD MODULE INDICATORS
   (Wallet, Messaging, Safety, Verification)
======================================== */
.tgn-quad-wallet { --tgn-quad-color: var(--tgn-primary); }
.tgn-quad-messaging { --tgn-quad-color: var(--tgn-accent-purple); }
.tgn-quad-safety { --tgn-quad-color: var(--tgn-emergency); }
.tgn-quad-verification { --tgn-quad-color: var(--tgn-accent-teal); }

.tgn-quad-indicator {
    width: 8px;
    height: 8px;
    border-radius: var(--tgn-radius-full);
    background: var(--tgn-quad-color);
}

/* ========================================
   EMERGENCY/PANIK SPECIFIC STYLES
======================================== */
.tgn-emergency-btn {
    background: linear-gradient(135deg, var(--tgn-emergency-light) 0%, var(--tgn-emergency) 100%);
    color: var(--tgn-text-inverse);
    font-size: var(--tgn-text-xl);
    font-weight: var(--tgn-font-bold);
    padding: var(--tgn-space-8);
    border-radius: var(--tgn-radius-full);
    box-shadow: var(--tgn-shadow-lg), 0 0 30px rgba(var(--tgn-emergency-rgb), 0.4);
    animation: tgn-pulse 2s ease-in-out infinite;
}

.tgn-emergency-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--tgn-shadow-xl), 0 0 50px rgba(var(--tgn-emergency-rgb), 0.5);
}

.tgn-emergency-btn:active {
    transform: scale(0.98);
}

/* ========================================
   TGN LANDING PAGE SYSTEM
   Universal landing page components for all apps
======================================== */

/* Landing Container */
.tgn-landing {
    min-height: 100vh;
    background: #000;
    color: #FFFFFF;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* Hero Section */
.tgn-landing-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 24px;
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a2e 100%);
    position: relative;
}

.tgn-landing-hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(var(--tgn-primary-rgb), 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.tgn-landing-hero-content {
    position: relative;
    z-index: 1;
}

.tgn-landing-eyebrow {
    font-size: 1rem;
    font-weight: 500;
    color: var(--tgn-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.tgn-landing-headline {
    font-size: clamp(3.5rem, 12vw, 6rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin: 0;
    background: linear-gradient(135deg, #fff 0%, var(--tgn-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tgn-landing-tagline {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 16px 0 0 0;
    line-height: 1.6;
}

/* Phone Mockup */
.tgn-landing-phone {
    margin: 48px auto;
    perspective: 1000px;
}

.tgn-landing-phone-frame {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #0a0a0a, #0a0a0a);
    border-radius: 44px;
    padding: 12px;
    box-shadow:
        0 50px 100px -20px rgba(0, 0, 0, 0.8),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    transform: rotateX(5deg);
    transition: transform 0.4s ease;
    margin: 0 auto;
}

.tgn-landing-phone-frame:hover {
    transform: rotateX(0deg) scale(1.02);
}

.tgn-landing-phone-notch {
    width: 120px;
    height: 28px;
    background: #000;
    border-radius: 20px;
    margin: 0 auto 16px;
}

.tgn-landing-phone-screen {
    background: linear-gradient(180deg, var(--tgn-primary) 0%, var(--tgn-primary-dark) 100%);
    border-radius: 32px;
    height: calc(100% - 44px);
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
}

/* Landing CTA */
.tgn-landing-cta {
    display: inline-block;
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #000;
    background: #FFFFFF;
    border-radius: 980px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 24px rgba(255, 255, 255, 0.2);
}

.tgn-landing-cta:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 32px rgba(255, 255, 255, 0.3);
}

.tgn-landing-cta-primary {
    background: var(--tgn-primary);
    color: #FFFFFF;
    box-shadow: 0 4px 24px rgba(var(--tgn-primary-rgb), 0.4);
}

.tgn-landing-cta-primary:hover {
    box-shadow: 0 6px 32px rgba(var(--tgn-primary-rgb), 0.5);
}

/* Social Proof Strip */
.tgn-landing-proof {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    padding: 48px 24px;
    background: var(--tgn-primary);
}

.tgn-landing-proof-item {
    text-align: center;
}

.tgn-landing-proof-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.tgn-landing-proof-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.tgn-landing-proof-divider {
    width: 1px;
    height: 48px;
    background: rgba(255, 255, 255, 0.3);
}

/* Features Section */
.tgn-landing-features {
    padding: 100px 24px;
    background: #FFFFFF;
    color: var(--tgn-text-primary);
    text-align: center;
}

.tgn-landing-features h2 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 48px 0;
    color: var(--tgn-secondary);
}

.tgn-landing-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.tgn-landing-feature-card {
    padding: 32px 24px;
    background: var(--tgn-bg-tertiary);
    border-radius: var(--tgn-radius-2xl);
    transition: transform 0.2s ease;
}

.tgn-landing-feature-card:hover {
    transform: translateY(-4px);
}

.tgn-landing-feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--tgn-primary), var(--tgn-primary-dark));
    border-radius: var(--tgn-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
}

.tgn-landing-feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--tgn-secondary);
}

.tgn-landing-feature-card p {
    font-size: 0.95rem;
    color: var(--tgn-text-secondary);
    margin: 0;
    line-height: 1.5;
}

.tgn-landing-features-subtitle {
    font-size: 1.1rem;
    color: var(--tgn-text-secondary);
    margin: -32px 0 48px 0;
}

/* Extras Grid */
.tgn-landing-extras {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}

.tgn-landing-extra-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--tgn-bg-tertiary);
    border-radius: var(--tgn-radius-md);
    font-size: 0.95rem;
    color: var(--tgn-text-primary);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tgn-landing-extra-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--tgn-shadow-md);
}

.tgn-landing-extra-icon {
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    .tgn-landing-extras {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 639px) {
    .tgn-landing-extras {
        grid-template-columns: 1fr;
    }
}

/* Waitlist Section */
.tgn-landing-waitlist {
    padding: 100px 24px;
    background: linear-gradient(180deg, var(--tgn-bg-tertiary) 0%, #fff 100%);
    text-align: center;
}

.tgn-landing-waitlist-content {
    max-width: min(90vw, 600px);
    margin: 0 auto;
}

.tgn-landing-waitlist h2 {
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--tgn-secondary);
    margin: 0 0 12px 0;
}

.tgn-landing-waitlist > .tgn-landing-waitlist-content > p {
    font-size: 1.1rem;
    color: var(--tgn-text-secondary);
    margin: 0 0 40px 0;
}

.tgn-landing-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tgn-landing-input-group {
    display: flex;
    background: #FFFFFF;
    border-radius: var(--tgn-radius-lg);
    overflow: hidden;
    box-shadow: var(--tgn-shadow-md);
    border: 2px solid transparent;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.tgn-landing-input-group:focus-within {
    border-color: var(--tgn-primary);
    box-shadow: 0 4px 24px rgba(var(--tgn-primary-rgb), 0.15);
}

.tgn-landing-input-prefix {
    padding: 20px 16px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--tgn-text-secondary);
    background: var(--tgn-bg-tertiary);
}

.tgn-landing-input-group input {
    flex: 1;
    padding: 20px 16px;
    font-size: 1.1rem;
    font-family: inherit;
    border: none;
    outline: none;
    color: var(--tgn-text-primary);
}

.tgn-landing-input-group input::placeholder {
    color: var(--tgn-text-tertiary);
}

.tgn-landing-btn {
    padding: 20px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: inherit;
    color: #FFFFFF;
    background: var(--tgn-primary);
    border: none;
    border-radius: var(--tgn-radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 16px rgba(var(--tgn-primary-rgb), 0.3);
}

.tgn-landing-btn:hover:not(:disabled) {
    background: var(--tgn-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(var(--tgn-primary-rgb), 0.4);
}

.tgn-landing-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.tgn-landing-success {
    margin-top: 24px;
    padding: 20px;
    background: rgba(var(--tgn-accent-green-rgb), 0.1);
    color: var(--tgn-accent-green);
    border-radius: var(--tgn-radius-lg);
    font-weight: 500;
    font-size: 1.05rem;
}

.tgn-landing-error {
    margin-top: 24px;
    padding: 20px;
    background: rgba(var(--tgn-accent-red-rgb), 0.1);
    color: var(--tgn-accent-red);
    border-radius: var(--tgn-radius-lg);
    font-weight: 500;
}

.tgn-landing-privacy-note {
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--tgn-text-tertiary);
}

/* Landing Footer */
.tgn-landing-footer {
    padding: 60px 24px;
    background: var(--tgn-secondary);
    color: #FFFFFF;
    text-align: center;
}

.tgn-landing-footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}

.tgn-landing-footer-brand img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.tgn-landing-footer-brand span {
    font-size: 1.25rem;
    font-weight: 600;
}

.tgn-landing-footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 24px;
}

.tgn-landing-footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s;
}

.tgn-landing-footer-links a:hover {
    color: #FFFFFF;
}

.tgn-landing-footer-copy {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
    margin: 0;
}

/* Phone Screen Components */
.tgn-phone-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
}

.tgn-phone-header img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
}

.tgn-phone-header span {
    font-size: 1.1rem;
    font-weight: 600;
}

.tgn-phone-balance {
    text-align: center;
    margin-bottom: 32px;
}

.tgn-phone-balance small {
    display: block;
    font-size: 0.85rem;
    opacity: 0.8;
    margin-bottom: 4px;
}

.tgn-phone-balance span {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.tgn-phone-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
}

.tgn-phone-action {
    width: 72px;
    height: 72px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 500;
}

.tgn-phone-recent {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 16px;
    margin-top: auto;
}

.tgn-phone-recent-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tgn-phone-avatar {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
}

.tgn-phone-recent-info span {
    display: block;
    font-weight: 500;
}

.tgn-phone-recent-info small {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Landing Responsive */
@media (max-width: 768px) {
    .tgn-landing-features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .tgn-landing-proof {
        flex-direction: column;
        gap: 24px;
    }

    .tgn-landing-proof-divider {
        width: 80px;
        height: 1px;
    }

    .tgn-landing-phone-frame {
        width: 240px;
        height: 480px;
    }

    .tgn-phone-balance span {
        font-size: 2rem;
    }

    .tgn-phone-action {
        width: 60px;
        height: 60px;
        font-size: 0.75rem;
    }
}

/* ========================================
   PATTERN IMPORTS
   Modular CSS components for specific use cases
======================================== */
@import url('patterns/_landing.css');
@import url('patterns/_wallet-preview.css');

/* ========================================
   APP-SPECIFIC THEME OVERRIDES
   Each app sets data-app attribute on root/body
   to receive its brand colors
======================================== */

/* SDPKT Wallet (Blue - Trust & Finance) */
[data-app="sdpkt"] {
    --tgn-app-primary: #2196F3;
    --tgn-app-primary-rgb: 33, 150, 243;
    --tgn-app-primary-light: #64B5F6;
    --tgn-app-primary-dark: #2196F3;
    --tgn-app-primary-darker: #0D47A1;
}

/* SleptOn - Fashion/Streetwear (Indigo - Premium) */
[data-app="slepton"] {
    --tgn-app-primary: var(--tgn-primary);
    --tgn-app-primary-rgb: 99, 102, 241;
    --tgn-app-primary-light: #818cf8;
    --tgn-app-primary-dark: #4f46e5;
    --tgn-app-primary-darker: #3730a3;
}

/* Panik - Emergency/Safety (Red - Urgency) */
[data-app="panik"] {
    --tgn-app-primary: #c0392b;
    --tgn-app-primary-rgb: 192, 57, 43;
    --tgn-app-primary-light: #e74c3c;
    --tgn-app-primary-dark: #a93226;
    --tgn-app-primary-darker: #922b21;
}

/* TagMe - Social/Community (Purple - Creative) */
[data-app="tagme"] {
    --tgn-app-primary: #9b59b6;
    --tgn-app-primary-rgb: 155, 89, 182;
    --tgn-app-primary-light: #af7ac5;
    --tgn-app-primary-dark: #8e44ad;
    --tgn-app-primary-darker: #6c3483;
}

/* BidBaas - Auctions/Commerce (Orange - Energy) */
[data-app="bidbaas"] {
    --tgn-app-primary: #e67e22;
    --tgn-app-primary-rgb: 230, 126, 34;
    --tgn-app-primary-light: #f39c12;
    --tgn-app-primary-dark: #d35400;
    --tgn-app-primary-darker: #a04000;
}

/* TheJobCenter - Employment (Teal - Professional) */
[data-app="jobcenter"] {
    --tgn-app-primary: #1abc9c;
    --tgn-app-primary-rgb: 26, 188, 156;
    --tgn-app-primary-light: #48c9b0;
    --tgn-app-primary-dark: #16a085;
    --tgn-app-primary-darker: #117a65;
}

/* KiffStore - E-commerce (Green - Growth) */
[data-app="kiffstore"] {
    --tgn-app-primary: #27ae60;
    --tgn-app-primary-rgb: 39, 174, 96;
    --tgn-app-primary-light: #2ecc71;
    --tgn-app-primary-dark: #1e8449;
    --tgn-app-primary-darker: #196f3d;
}

/* Bruh/Bruhhh - Social/Memes (Pink - Fun) */
[data-app="bruh"] {
    --tgn-app-primary: #e91e63;
    --tgn-app-primary-rgb: 233, 30, 99;
    --tgn-app-primary-light: #f06292;
    --tgn-app-primary-dark: #c2185b;
    --tgn-app-primary-darker: #880e4f;
}

/* TrustSeal - Verification (Navy - Authority) */
[data-app="trustseal"] {
    --tgn-app-primary: #1976D2;
    --tgn-app-primary-rgb: 52, 73, 94;
    --tgn-app-primary-light: #5d6d7e;
    --tgn-app-primary-dark: #0D47A1;
    --tgn-app-primary-darker: #1a252f;
}

/* SortedClothing - Fashion (Coral - Trendy) */
[data-app="sortedclothing"] {
    --tgn-app-primary: #ff6b6b;
    --tgn-app-primary-rgb: 255, 107, 107;
    --tgn-app-primary-light: #ff8787;
    --tgn-app-primary-dark: #fa5252;
    --tgn-app-primary-darker: #f03e3e;
}

/* ShhMoney - Finance/Stealth (Dark Cyan - Discreet) */
[data-app="shhmoney"] {
    --tgn-app-primary: #0097a7;
    --tgn-app-primary-rgb: 0, 151, 167;
    --tgn-app-primary-light: #00bcd4;
    --tgn-app-primary-dark: #00838f;
    --tgn-app-primary-darker: #006064;
}

/* TxTMe - Communication (Sky Blue - Friendly) */
[data-app="txtme"] {
    --tgn-app-primary: #03a9f4;
    --tgn-app-primary-rgb: 3, 169, 244;
    --tgn-app-primary-light: #4fc3f7;
    --tgn-app-primary-dark: #0288d1;
    --tgn-app-primary-darker: #01579b;
}

/* Dark Theme Overrides for App Colors */
[data-theme="dark"] [data-app],
.tgn-dark [data-app] {
    --tgn-bg-dark: #0a0a0a;
}

/* ========================================
   TGN RETAIL PAGE SYSTEM
   Premium dark glassmorphic retail components
   Matches landing page aesthetic
======================================== */

/* Retail Page - Premium Dark Layout */
.tgn-retail {
    min-height: 100vh;
    padding-bottom: 100px;
    background: linear-gradient(180deg, #0a0a0a 0%, #0a0a0a 50%, #0a0a0a 100%);
    color: #FFFFFF;
    position: relative;
}

/* Ambient glow for depth */
.tgn-retail::before {
    content: '';
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 60%;
    background: radial-gradient(ellipse at center top, rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.12) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

/* Retail Header - Sticky Glass */
.tgn-retail-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 20px;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.tgn-retail-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #FFFFFF;
}

/* Retail Content Container */
.tgn-retail-content {
    position: relative;
    z-index: 1;
    padding: 0 16px;
}

/* Brand Banner - Dark Glass */
.tgn-retail-brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    margin: 16px 0;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.tgn-retail-brand-content {
    display: flex;
    align-items: center;
    gap: 14px;
}

.tgn-retail-brand-logo {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.3);
}

.tgn-retail-brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.tgn-retail-brand-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.tgn-retail-brand-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: -0.3px;
}

.tgn-retail-brand-name span {
    color: var(--tgn-app-primary, #2196F3);
}

.tgn-retail-brand-tagline {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

.tgn-retail-brand-badge {
    background: linear-gradient(135deg, #2196F3, #16a34a);
    color: white;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

/* Navigation Tabs - Dark Segmented Control */
.tgn-retail-tabs {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px;
    margin: 16px 0;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.tgn-retail-tabs-divider {
    width: 1px;
    height: 28px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 4px;
}

/* Provider Tabs */
.tgn-retail-providers {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
}

.tgn-retail-providers::-webkit-scrollbar {
    display: none;
}

.tgn-retail-provider {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tgn-retail-provider:active {
    transform: scale(0.95);
}

.tgn-retail-provider.active {
    background: rgba(255, 255, 255, 0.1);
}

.tgn-retail-provider-logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    overflow: hidden;
}

.tgn-retail-provider-logo svg {
    width: 100%;
    height: 100%;
}

/* View Tabs */
.tgn-retail-views {
    display: flex;
    gap: 2px;
    margin-left: auto;
}

.tgn-retail-view {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.2s ease;
}

.tgn-retail-view:active {
    transform: scale(0.97);
}

.tgn-retail-view.active {
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

.tgn-retail-view-icon {
    font-size: 1rem;
}

/* Filter Pills */
.tgn-retail-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    overflow-x: auto;
    scrollbar-width: none;
}

.tgn-retail-filters::-webkit-scrollbar {
    display: none;
}

.tgn-retail-filter {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.tgn-retail-filter:active {
    transform: scale(0.97);
}

.tgn-retail-filter:hover {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.8);
}

.tgn-retail-filter.active {
    background: var(--tgn-app-primary, #2196F3);
    border-color: var(--tgn-app-primary, #2196F3);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.4);
}

/* Section Labels */
.tgn-retail-section-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 12px;
    letter-spacing: -0.2px;
}

/* Product/Bundle Grids */
.tgn-retail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

/* Dark Glass Card - Products & Bundles */
.tgn-retail-card {
    padding: 14px;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.tgn-retail-card:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.tgn-retail-card:active {
    transform: scale(0.98);
}

/* Card Badge */
.tgn-retail-card-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #2196F3, #16a34a);
    color: white;
    padding: 4px 8px;
    border-radius: 100px;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    z-index: 1;
}

/* Card Image */
.tgn-retail-card-image {
    width: 100%;
    height: 52px;
    border-radius: 10px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg,
        rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15),
        rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.05));
    font-size: 1.5rem;
}

.tgn-retail-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

/* Card Info */
.tgn-retail-card-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.tgn-retail-card-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: #FFFFFF;
    line-height: 1.2;
}

.tgn-retail-card-desc {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Item Pills (for bundles) */
.tgn-retail-card-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 8px;
}

.tgn-retail-card-pill {
    padding: 3px 8px;
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
    border-radius: 100px;
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--tgn-app-primary-light, #4fc3f7);
}

/* Card Pricing */
.tgn-retail-card-pricing {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-top: 8px;
}

.tgn-retail-card-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tgn-app-primary, #2196F3);
    letter-spacing: -0.3px;
}

.tgn-retail-card-original {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: line-through;
}

/* Card Footer */
.tgn-retail-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.tgn-retail-card-expiry {
    font-size: 0.65rem;
    color: #f59e0b;
}

.tgn-retail-card-watermark {
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--tgn-app-primary, #2196F3);
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: auto;
}

/* Category Tabs - Dark Style */
.tgn-retail-categories {
    display: flex;
    gap: 6px;
    padding: 4px;
    margin: 12px 0;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 10px;
    overflow-x: auto;
    scrollbar-width: none;
}

.tgn-retail-categories::-webkit-scrollbar {
    display: none;
}

.tgn-retail-category {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.tgn-retail-category:active {
    transform: scale(0.97);
}

.tgn-retail-category.active {
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

.tgn-retail-category-icon {
    font-size: 1rem;
}

/* Empty State */
.tgn-retail-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    text-align: center;
}

.tgn-retail-empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.tgn-retail-empty-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Section Spacing */
.tgn-retail-section {
    margin-bottom: 24px;
}

/* Responsive */
@media (min-width: 768px) {
    .tgn-retail-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .tgn-retail-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Card Placeholder Icon */
.tgn-retail-card-placeholder {
    width: 100%;
    height: 52px;
    border-radius: 10px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg,
        rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15),
        rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.05));
    font-size: 1.5rem;
}

/* Card Provider Badge */
.tgn-retail-card-provider {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 2px;
}

/* Card Description */
.tgn-retail-card-description {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
}

/* Bundle Card Specific */
.tgn-retail-bundle-card.featured {
    border-color: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.3);
    box-shadow: 0 4px 24px rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
}

/* Discount Badge */
.tgn-retail-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #2196F3, #16a34a);
    color: white;
    padding: 4px 8px;
    border-radius: 100px;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    z-index: 1;
}

/* Item Pills */
.tgn-retail-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 6px;
}

.tgn-retail-pill {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 3px 8px;
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
    border-radius: 100px;
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--tgn-app-primary-light, #4fc3f7);
}

.tgn-retail-pill-qty {
    font-weight: 700;
}

.tgn-retail-pill-more {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.5);
}

/* Pricing */
.tgn-retail-card-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-top: 6px;
}

.tgn-retail-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tgn-app-primary, #2196F3);
    letter-spacing: -0.3px;
}

.tgn-retail-price-original {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    text-decoration: line-through;
}

/* Expiry Warning */
.tgn-retail-expiry {
    font-size: 0.65rem;
    font-weight: 500;
    color: #f59e0b;
}

/* Watermark */
.tgn-retail-watermark {
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--tgn-app-primary, #2196F3);
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: auto;
}

/* Skeleton Loading */
.tgn-retail-skeleton {
    pointer-events: none;
}

.tgn-retail-skeleton-image {
    height: 52px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    margin-bottom: 10px;
    animation: tgn-skeleton-pulse 1.5s ease-in-out infinite;
}

.tgn-retail-skeleton-text {
    height: 12px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    margin-bottom: 6px;
    animation: tgn-skeleton-pulse 1.5s ease-in-out infinite;
}

.tgn-retail-skeleton-text.short {
    width: 60%;
}

@keyframes tgn-skeleton-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===========================================
   TGN RETAIL MODAL SYSTEM
   Dark glassmorphic modals for product/bundle
=========================================== */

/* Modal Overlay */
.tgn-retail-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px;
    animation: tgn-modal-overlay-in 0.3s ease;
}

@keyframes tgn-modal-overlay-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Modal Container */
.tgn-retail-modal {
    width: 100%;
    max-width: 420px;
    max-height: 85vh;
    background: rgba(20, 20, 30, 0.95);
    backdrop-filter: saturate(180%) blur(30px);
    -webkit-backdrop-filter: saturate(180%) blur(30px);
    border-radius: 24px 24px 16px 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: tgn-modal-slide-up 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes tgn-modal-slide-up {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Modal Header */
.tgn-retail-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.tgn-retail-modal-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: -0.3px;
    margin: 0;
}

.tgn-retail-modal-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Favorite Button */
.tgn-retail-favorite-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tgn-retail-favorite-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.tgn-retail-favorite-btn.active {
    background: rgba(239, 68, 68, 0.15);
}

/* Close Button */
.tgn-retail-close-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border: none;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tgn-retail-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

/* Modal Body */
.tgn-retail-modal-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

/* Product Details */
.tgn-retail-product-details {
    margin-bottom: 20px;
}

.tgn-retail-provider-badge {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--tgn-app-primary-light, #4fc3f7);
    margin-bottom: 10px;
}

.tgn-retail-description {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
    margin: 0 0 16px 0;
}

.tgn-retail-price-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 12px;
}

.tgn-retail-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

.tgn-retail-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tgn-app-primary, #2196F3);
}

/* Form Groups */
.tgn-retail-form-group {
    margin-bottom: 16px;
}

.tgn-retail-form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.tgn-retail-input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    font-size: 1rem;
    color: #FFFFFF;
    transition: all 0.2s ease;
}

.tgn-retail-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.tgn-retail-input:focus {
    outline: none;
    border-color: var(--tgn-app-primary, #2196F3);
    box-shadow: 0 0 0 3px rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
}

.tgn-retail-hint {
    display: block;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 6px;
}

/* Quantity Selector */
.tgn-retail-qty-selector {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 4px;
    width: fit-content;
}

.tgn-retail-qty-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 10px;
    font-size: 1.2rem;
    font-weight: 600;
    color: #FFFFFF;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tgn-retail-qty-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.tgn-retail-qty-btn:not(:disabled):hover {
    background: rgba(255, 255, 255, 0.15);
}

.tgn-retail-qty-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: #FFFFFF;
    min-width: 32px;
    text-align: center;
}

/* Total Row */
.tgn-retail-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    margin-top: 16px;
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.1);
    border-radius: 12px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.tgn-retail-total-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tgn-app-primary, #2196F3);
}

/* Modal Extras */
.tgn-retail-modal-extras {
    padding: 0 20px;
    margin-bottom: 8px;
}

.tgn-retail-schedule-link {
    display: flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    cursor: pointer;
    padding: 8px 0;
    transition: color 0.2s ease;
}

.tgn-retail-schedule-link:hover {
    color: var(--tgn-app-primary-light, #4fc3f7);
}

/* Modal Footer */
.tgn-retail-modal-footer {
    display: flex;
    gap: 12px;
    padding: 16px 20px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.tgn-retail-btn {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tgn-retail-btn:active {
    transform: scale(0.98);
}

.tgn-retail-btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #FFFFFF;
}

.tgn-retail-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

.tgn-retail-btn-primary {
    background: var(--tgn-app-primary, #2196F3);
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.4);
}

.tgn-retail-btn-primary:hover {
    filter: brightness(1.1);
}

/* Bundle Modal Specific */
.tgn-retail-savings-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(22, 163, 74, 0.1));
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 12px;
    margin-bottom: 16px;
    color: #2196F3;
    font-weight: 600;
    font-size: 0.9rem;
}

.tgn-retail-bundle-items {
    margin: 16px 0;
}

.tgn-retail-bundle-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    margin-bottom: 8px;
}

.tgn-retail-bundle-item-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
    border-radius: 10px;
    font-size: 1.1rem;
}

.tgn-retail-bundle-item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.tgn-retail-bundle-item-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: #FFFFFF;
}

.tgn-retail-bundle-item-provider {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
}

.tgn-retail-bundle-item-qty {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--tgn-app-primary-light, #4fc3f7);
    padding: 4px 8px;
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
    border-radius: 6px;
}

.tgn-retail-bundle-item-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

/* Pricing Summary */
.tgn-retail-pricing-summary {
    margin-top: 20px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 12px;
}

.tgn-retail-pricing-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.tgn-retail-pricing-row.tgn-retail-pricing-total {
    padding-top: 12px;
    margin-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
    font-weight: 600;
}

.tgn-retail-price-bundle {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tgn-app-primary, #2196F3);
}

/* Header Buttons */
.tgn-retail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tgn-retail-header .back-btn,
.tgn-retail-header .cart-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border: none;
    border-radius: 12px;
    font-size: 1.2rem;
    color: #FFFFFF;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.tgn-retail-header .back-btn:hover,
.tgn-retail-header .cart-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.tgn-retail-header .cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tgn-app-primary, #2196F3);
    border-radius: 100px;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0 4px;
}

/* ========================================
   TGN RETAIL LIGHT MODE
   TGN Brand - clean, professional
   Blue header, white content, organized
======================================== */

/* Light Mode Base */
.tgn-retail-light {
    min-height: 100vh;
    background: rgba(10,10,10,0.03);
    color: #2196F3;
}

/* Global Button Hover - Blue border + glow */
.tgn-retail-light button:hover,
.tgn-retail-light .btn:hover {
    border-color: #2196F3;
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.15);
}

.tgn-retail-light button:active,
.tgn-retail-light .btn:active {
    transform: scale(0.97);
}

[data-theme="dark"] .tgn-retail-light button:hover,
[data-theme="dark"] .tgn-retail-light .btn:hover {
    border-color: #2196F3;
    box-shadow: 0 4px 20px rgba(33, 150, 243, 0.2);
}

[data-theme="dark"] .tgn-retail-light button:active,
[data-theme="dark"] .tgn-retail-light .btn:active {
    transform: scale(0.97);
}

/* Light Mode Header - Solid Blue */
.tgn-retail-light .tgn-retail-header {
    background: linear-gradient(135deg, var(--tgn-app-primary, #2196F3) 0%, var(--tgn-app-primary-dark, #2196F3) 100%);
    border-bottom: none;
    padding: 16px 20px;
}

.tgn-retail-light .tgn-retail-header h1 {
    color: #FFFFFF;
    font-size: 1.5rem;
    font-weight: 600;
}

.tgn-retail-light .tgn-retail-header .back-btn,
.tgn-retail-light .tgn-retail-header .cart-btn {
    background: rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
}

.tgn-retail-light .tgn-retail-header .back-btn:hover,
.tgn-retail-light .tgn-retail-header .cart-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Light Mode Content */
.tgn-retail-light .tgn-retail-content {
    padding: 0;
    background: #FFFFFF;
}

/* Category Icon Grid */
.tgn-retail-icon-grid {
    padding: 24px 20px;
    background: #FFFFFF;
}

.tgn-retail-icon-grid-title {
    font-size: 1rem;
    font-weight: 600;
    color: #2196F3;
    margin-bottom: 20px;
}

.tgn-retail-icon-grid-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.tgn-retail-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 8px;
    background: #FFFFFF;
    border: 1px solid rgba(10,10,10,0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tgn-retail-icon-item:hover {
    border-color: var(--tgn-app-primary, #2196F3);
    box-shadow: 0 2px 8px rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.1);
}

.tgn-retail-icon-item:active {
    transform: scale(0.97);
}

.tgn-retail-icon-item.active {
    border-color: var(--tgn-app-primary, #2196F3);
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.05);
}

.tgn-retail-icon-item-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.tgn-retail-icon-item-icon svg {
    width: 32px;
    height: 32px;
    color: var(--tgn-app-primary, #2196F3);
}

.tgn-retail-icon-item-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: #2196F3;
    text-align: center;
}

/* Buy This Again Section */
.tgn-retail-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: rgba(10,10,10,0.02);
    border-top: 1px solid rgba(10,10,10,0.08);
    border-bottom: 1px solid rgba(10,10,10,0.08);
}

.tgn-retail-section-header-title {
    font-size: 1rem;
    font-weight: 600;
    color: #2196F3;
}

.tgn-retail-section-header-action {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--tgn-app-primary, #2196F3);
    font-size: 0.85rem;
    font-weight: 500;
    background: none;
    border: none;
    cursor: pointer;
}

/* Quick Buy Cards (Buy this again) */
.tgn-retail-quick-buy {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    overflow-x: auto;
    scrollbar-width: none;
    background: #FFFFFF;
}

.tgn-retail-quick-buy::-webkit-scrollbar {
    display: none;
}

.tgn-retail-quick-buy-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #FFFFFF;
    border: 1px solid rgba(10,10,10,0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 200px;
}

.tgn-retail-quick-buy-item:hover {
    border-color: var(--tgn-app-primary, #2196F3);
}

.tgn-retail-quick-buy-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10,10,10,0.03);
    border-radius: 10px;
    font-size: 1.25rem;
}

.tgn-retail-quick-buy-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.tgn-retail-quick-buy-item-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: #2196F3;
}

.tgn-retail-quick-buy-item-detail {
    font-size: 0.75rem;
    color: rgba(10,10,10,0.6);
}

/* Voucher Category Cards */
.tgn-retail-voucher-scroll {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    overflow-x: auto;
    scrollbar-width: none;
    background: #FFFFFF;
}

.tgn-retail-voucher-scroll::-webkit-scrollbar {
    display: none;
}

.tgn-retail-voucher-card {
    flex-shrink: 0;
    width: 140px;
    height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 12px;
    border-radius: 12px;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(33, 150, 243, 0.3);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.15);
}

.tgn-retail-voucher-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(33, 150, 243, 0.7) 100%);
}

.tgn-retail-voucher-card-label {
    position: relative;
    z-index: 1;
    padding: 4px 10px;
    background: var(--tgn-app-primary, #2196F3);
    color: #FFFFFF;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 4px;
    width: fit-content;
}

/* Category View - Network Selector */
.tgn-retail-category-tabs {
    display: flex;
    background: linear-gradient(135deg, var(--tgn-app-primary, #2196F3) 0%, var(--tgn-app-primary-dark, #2196F3) 100%);
    padding: 0 20px;
}

.tgn-retail-category-tab {
    flex: 1;
    padding: 14px 16px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    position: relative;
    transition: color 0.2s ease;
}

.tgn-retail-category-tab.active {
    color: #FFFFFF;
}

.tgn-retail-category-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20px;
    right: 20px;
    height: 3px;
    background: #FFFFFF;
    border-radius: 3px 3px 0 0;
}

/* Network Selector */
.tgn-retail-network-section {
    padding: 20px;
    background: #FFFFFF;
}

.tgn-retail-network-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #2196F3;
    margin-bottom: 16px;
}

.tgn-retail-network-list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 4px;
}

.tgn-retail-network-list::-webkit-scrollbar {
    display: none;
}

.tgn-retail-network-item {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #FFFFFF;
    border: 2px solid rgba(10,10,10,0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 80px;
}

.tgn-retail-network-item:hover {
    border-color: rgba(10,10,10,0.2);
}

.tgn-retail-network-item.active {
    border-color: var(--tgn-app-primary, #2196F3);
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.05);
}

.tgn-retail-network-item-logo {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    overflow: hidden;
}

.tgn-retail-network-item-logo img,
.tgn-retail-network-item-logo svg {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.tgn-retail-network-item-name {
    font-size: 0.7rem;
    font-weight: 500;
    color: #2196F3;
    text-align: center;
    max-width: 70px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Product List (not grid) */
.tgn-retail-product-list {
    background: #FFFFFF;
}

.tgn-retail-product-list-header {
    padding: 16px 20px 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #2196F3;
}

.tgn-retail-product-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: #FFFFFF;
    border-bottom: 1px solid rgba(10,10,10,0.05);
    cursor: pointer;
    transition: background 0.15s ease;
}

.tgn-retail-product-item:hover {
    background: rgba(10,10,10,0.02);
}

.tgn-retail-product-item:active {
    background: rgba(10,10,10,0.05);
}

.tgn-retail-product-item-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tgn-retail-product-item-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: #2196F3;
}

.tgn-retail-product-item-price {
    font-size: 0.85rem;
    color: rgba(10,10,10,0.6);
}

.tgn-retail-product-item-arrow {
    color: var(--tgn-app-primary, #2196F3);
    font-size: 1.25rem;
}

/* Voucher Brand Grid */
.tgn-retail-brand-section {
    padding: 20px;
    background: #FFFFFF;
}

.tgn-retail-brand-section-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #2196F3;
    margin-bottom: 16px;
}

.tgn-retail-brand-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.tgn-retail-brand-grid.small {
    grid-template-columns: repeat(3, 1fr);
}

.tgn-retail-brand-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 64px;
    padding: 12px;
    background: #FFFFFF;
    border: 1px solid rgba(10,10,10,0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tgn-retail-brand-item:hover {
    border-color: var(--tgn-app-primary, #2196F3);
    box-shadow: 0 2px 8px rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.1);
}

.tgn-retail-brand-item img {
    max-width: 100%;
    max-height: 36px;
    object-fit: contain;
}

/* Light Mode Purchase Form */
.tgn-retail-form-card {
    margin: 20px;
    padding: 20px;
    background: #FFFFFF;
    border: 1px solid rgba(10,10,10,0.1);
    border-radius: 16px;
}

.tgn-retail-form-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: #2196F3;
    margin-bottom: 20px;
}

.tgn-retail-light .tgn-retail-form-group {
    margin-bottom: 20px;
}

.tgn-retail-light .tgn-retail-form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(10,10,10,0.6);
    margin-bottom: 8px;
}

.tgn-retail-light .tgn-retail-input {
    width: 100%;
    padding: 16px;
    background: #FFFFFF;
    border: 1px solid rgba(10,10,10,0.15);
    border-radius: 8px;
    font-size: 1rem;
    color: #2196F3;
    transition: all 0.2s ease;
}

.tgn-retail-light .tgn-retail-input:focus {
    outline: none;
    border-color: var(--tgn-app-primary, #2196F3);
    box-shadow: 0 0 0 3px rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.1);
}

.tgn-retail-light .tgn-retail-input::placeholder {
    color: rgba(10,10,10,0.4);
}

.tgn-retail-input-validated {
    position: relative;
}

.tgn-retail-input-validated .tgn-retail-input {
    padding-right: 48px;
}

.tgn-retail-input-validated-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #2196F3;
    border-radius: 50%;
    color: #FFFFFF;
}

.tgn-retail-input-hint {
    font-size: 0.75rem;
    color: #2196F3;
    margin-top: 6px;
}

/* Pay From Section */
.tgn-retail-pay-from {
    margin: 20px;
    padding: 20px;
    background: rgba(10,10,10,0.02);
    border-radius: 16px;
}

.tgn-retail-pay-from-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #2196F3;
    margin-bottom: 12px;
}

.tgn-retail-pay-from-account {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: #FFFFFF;
    border: 1px solid rgba(10,10,10,0.1);
    border-radius: 12px;
    cursor: pointer;
}

.tgn-retail-pay-from-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tgn-app-primary, #2196F3);
    border-radius: 10px;
    color: #FFFFFF;
    font-size: 1.25rem;
}

.tgn-retail-pay-from-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.tgn-retail-pay-from-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #2196F3;
}

.tgn-retail-pay-from-number {
    font-size: 0.8rem;
    color: rgba(10,10,10,0.6);
}

.tgn-retail-pay-from-balance {
    font-size: 0.8rem;
    color: var(--tgn-app-primary, #2196F3);
    font-weight: 500;
}

.tgn-retail-pay-from-arrow {
    color: var(--tgn-app-primary, #2196F3);
    font-size: 1.25rem;
}

.tgn-retail-limit-info {
    display: flex;
    justify-content: space-between;
    padding: 12px 0 0;
    font-size: 0.8rem;
    color: rgba(10,10,10,0.6);
}

.tgn-retail-limit-info strong {
    color: #2196F3;
}

/* Primary Button - Light Mode */
.tgn-retail-light .tgn-retail-btn-primary {
    width: 100%;
    padding: 16px 24px;
    margin: 20px;
    margin-top: auto;
    background: var(--tgn-app-primary, #2196F3);
    color: #FFFFFF;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-sizing: border-box;
    width: calc(100% - 40px);
}

.tgn-retail-light .tgn-retail-btn-primary:hover {
    background: var(--tgn-app-primary-dark, #2196F3);
}

.tgn-retail-light .tgn-retail-btn-primary:active {
    transform: scale(0.99);
}

/* Light Mode Empty State */
.tgn-retail-light .tgn-retail-empty {
    padding: 60px 20px;
    text-align: center;
    background: #FFFFFF;
}

.tgn-retail-light .tgn-retail-empty-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(33,150,243,0.05);
    border-radius: 50%;
    font-size: 2.5rem;
}

.tgn-retail-light .tgn-retail-empty-text {
    font-size: 0.95rem;
    color: rgba(10,10,10,0.6);
}

/* Light Mode Service Unavailable */
.tgn-retail-service-unavailable {
    padding: 40px 20px;
    text-align: center;
    background: #FFFFFF;
}

.tgn-retail-service-unavailable-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(33,150,243,0.05);
    border-radius: 50%;
    color: var(--tgn-app-primary, #2196F3);
}

.tgn-retail-service-unavailable-text {
    font-size: 0.9rem;
    color: rgba(10,10,10,0.6);
    line-height: 1.5;
}

/* Bottom Navigation */
.tgn-retail-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    background: #FFFFFF;
    border-top: 1px solid rgba(10,10,10,0.1);
    padding: 8px 0;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
    z-index: 100;
}

.tgn-retail-bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px;
    background: none;
    border: none;
    color: rgba(10,10,10,0.6);
    font-size: 0.65rem;
    cursor: pointer;
    position: relative;
}

.tgn-retail-bottom-nav-item.active {
    color: var(--tgn-app-primary, #2196F3);
}

.tgn-retail-bottom-nav-item:hover {
    color: #2196F3;
    background: rgba(33, 150, 243, 0.05);
    border-radius: 8px;
}

.tgn-retail-bottom-nav-item:active {
    transform: scale(0.95);
}

.tgn-retail-bottom-nav-item-icon {
    font-size: 1.5rem;
}

.tgn-retail-bottom-nav-item.center {
    margin-top: -20px;
}

.tgn-retail-bottom-nav-item.center .tgn-retail-bottom-nav-item-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tgn-app-primary, #2196F3);
    border-radius: 50%;
    color: #FFFFFF;
    box-shadow: 0 4px 12px rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.3);
}

.tgn-retail-bottom-nav-badge {
    position: absolute;
    top: 4px;
    right: 50%;
    transform: translateX(12px);
    padding: 2px 6px;
    background: #0a0a0a;
    color: #FFFFFF;
    font-size: 0.6rem;
    font-weight: 700;
    border-radius: 100px;
}

/* ========================================
   TGN RETAIL DARK MODE
   Strict 3-color: #2196F3 (blue), #0a0a0a (black), #FFFFFF (white)
======================================== */

[data-theme="dark"] .tgn-retail-light {
    background: #0a0a0a;
    color: #FFFFFF;
}

/* Dark Mode Header - SAME blue as light mode */
[data-theme="dark"] .tgn-retail-light .tgn-retail-header {
    background: #2196F3;
    border-bottom: none;
}

[data-theme="dark"] .tgn-retail-light .tgn-retail-header .back-btn,
[data-theme="dark"] .tgn-retail-light .tgn-retail-header .cart-btn {
    background: rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-light .tgn-retail-header .back-btn:hover,
[data-theme="dark"] .tgn-retail-light .tgn-retail-header .cart-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Dark Mode Content */
[data-theme="dark"] .tgn-retail-light .tgn-retail-content {
    background: transparent;
}

/* Dark Mode Icon Grid */
[data-theme="dark"] .tgn-retail-icon-grid {
    background: transparent;
}

[data-theme="dark"] .tgn-retail-icon-grid-title {
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-icon-item {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .tgn-retail-icon-item:hover {
    border-color: var(--tgn-app-primary, #2196F3);
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.1);
    box-shadow: 0 4px 20px rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
}

[data-theme="dark"] .tgn-retail-icon-item.active {
    border-color: var(--tgn-app-primary, #2196F3);
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
}

[data-theme="dark"] .tgn-retail-icon-item-label {
    color: rgba(255, 255, 255, 0.9);
}

/* Dark Mode Section Headers */
[data-theme="dark"] .tgn-retail-section-header {
    background: rgba(255, 255, 255, 0.02);
    border-top-color: rgba(255, 255, 255, 0.06);
    border-bottom-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .tgn-retail-section-header-title {
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-section-header-action {
    color: var(--tgn-app-primary, #2196F3);
}

/* Dark Mode Quick Buy */
[data-theme="dark"] .tgn-retail-quick-buy {
    background: transparent;
}

[data-theme="dark"] .tgn-retail-quick-buy-item {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .tgn-retail-quick-buy-item:hover {
    border-color: var(--tgn-app-primary, #2196F3);
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.08);
}

[data-theme="dark"] .tgn-retail-quick-buy-item-icon {
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
}

[data-theme="dark"] .tgn-retail-quick-buy-item-name {
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-quick-buy-item-detail {
    color: rgba(255, 255, 255, 0.5);
}

/* Dark Mode Voucher Cards */
[data-theme="dark"] .tgn-retail-voucher-scroll {
    background: transparent;
}

/* Dark Mode Service Unavailable */
[data-theme="dark"] .tgn-retail-service-unavailable {
    background: transparent;
}

[data-theme="dark"] .tgn-retail-service-unavailable-icon {
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
}

[data-theme="dark"] .tgn-retail-service-unavailable-text {
    color: rgba(255, 255, 255, 0.6);
}

/* Dark Mode Category Tabs */
[data-theme="dark"] .tgn-retail-category-tabs {
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* Dark Mode Network Section */
[data-theme="dark"] .tgn-retail-network-section {
    background: transparent;
}

[data-theme="dark"] .tgn-retail-network-label {
    color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .tgn-retail-network-item {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .tgn-retail-network-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .tgn-retail-network-item.active {
    border-color: var(--tgn-app-primary, #2196F3);
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
}

[data-theme="dark"] .tgn-retail-network-item-name {
    color: rgba(255, 255, 255, 0.8);
}

/* Dark Mode Product List */
[data-theme="dark"] .tgn-retail-product-list {
    background: transparent;
}

[data-theme="dark"] .tgn-retail-product-list-header {
    color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .tgn-retail-product-item {
    background: rgba(255, 255, 255, 0.02);
    border-bottom-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .tgn-retail-product-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .tgn-retail-product-item:active {
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .tgn-retail-product-item-name {
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-product-item-price {
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .tgn-retail-product-item-arrow {
    color: var(--tgn-app-primary, #2196F3);
}

/* Dark Mode Brand Section */
[data-theme="dark"] .tgn-retail-brand-section {
    background: transparent;
}

[data-theme="dark"] .tgn-retail-brand-section-title {
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-brand-item {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .tgn-retail-brand-item:hover {
    border-color: var(--tgn-app-primary, #2196F3);
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.08);
}

/* Dark Mode Form Card */
[data-theme="dark"] .tgn-retail-form-card {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .tgn-retail-form-card-title {
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-light .tgn-retail-form-group label {
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .tgn-retail-light .tgn-retail-input {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-light .tgn-retail-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .tgn-retail-light .tgn-retail-input:focus {
    border-color: var(--tgn-app-primary, #2196F3);
    box-shadow: 0 0 0 3px rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.2);
}

/* Dark Mode Pay From */
[data-theme="dark"] .tgn-retail-pay-from {
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .tgn-retail-pay-from-title {
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-pay-from-account {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .tgn-retail-pay-from-icon {
    background: var(--tgn-app-primary, #2196F3);
}

[data-theme="dark"] .tgn-retail-pay-from-name {
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-pay-from-balance {
    color: var(--tgn-app-primary, #2196F3);
}

[data-theme="dark"] .tgn-retail-limit-info {
    color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .tgn-retail-limit-info strong {
    color: #FFFFFF;
}

/* Dark Mode Buttons */
[data-theme="dark"] .tgn-retail-light .tgn-retail-btn-primary {
    background: var(--tgn-app-primary, #2196F3);
    box-shadow: 0 4px 20px rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.3);
}

[data-theme="dark"] .tgn-retail-light .tgn-retail-btn-primary:hover {
    filter: brightness(1.1);
}

[data-theme="dark"] .tgn-retail-light .tgn-retail-btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-light .tgn-retail-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

/* Dark Mode Modal */
[data-theme="dark"] .tgn-retail-modal-overlay {
    background: rgba(0, 0, 0, 0.85);
}

[data-theme="dark"] .tgn-retail-modal {
    background: rgba(15, 15, 25, 0.98);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .tgn-retail-modal-header {
    border-bottom-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .tgn-retail-modal-header h2 {
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-close-btn {
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .tgn-retail-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-modal-footer {
    border-top-color: rgba(255, 255, 255, 0.06);
}

/* Dark Mode Total Row */
[data-theme="dark"] .tgn-retail-total-row {
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.1);
    color: rgba(255, 255, 255, 0.8);
}

[data-theme="dark"] .tgn-retail-total-amount {
    color: var(--tgn-app-primary, #2196F3);
}

/* Dark Mode Bundle Items */
[data-theme="dark"] .tgn-retail-savings-banner {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(22, 163, 74, 0.1));
    border-color: rgba(34, 197, 94, 0.2);
}

[data-theme="dark"] .tgn-retail-bundle-items {
    color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .tgn-retail-bundle-item {
    background: rgba(255, 255, 255, 0.03);
}

[data-theme="dark"] .tgn-retail-bundle-item-icon {
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
}

[data-theme="dark"] .tgn-retail-bundle-item-name {
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-bundle-item-provider {
    color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .tgn-retail-bundle-item-qty {
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
    color: var(--tgn-app-primary, #2196F3);
}

[data-theme="dark"] .tgn-retail-bundle-item-value {
    color: rgba(255, 255, 255, 0.7);
}

/* Dark Mode Pricing Summary */
[data-theme="dark"] .tgn-retail-pricing-summary {
    background: rgba(255, 255, 255, 0.03);
}

[data-theme="dark"] .tgn-retail-pricing-row {
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .tgn-retail-pricing-row.tgn-retail-pricing-total {
    border-top-color: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
}

[data-theme="dark"] .tgn-retail-price-original {
    color: rgba(255, 255, 255, 0.4);
}

[data-theme="dark"] .tgn-retail-price-bundle {
    color: var(--tgn-app-primary, #2196F3);
}

/* Dark Mode Description */
[data-theme="dark"] .tgn-retail-description {
    color: rgba(255, 255, 255, 0.6);
}

/* Dark Mode Empty State */
[data-theme="dark"] .tgn-retail-light .tgn-retail-empty {
    background: transparent;
}

[data-theme="dark"] .tgn-retail-light .tgn-retail-empty-icon {
    background: rgba(var(--tgn-app-primary-rgb, 33, 150, 243), 0.15);
}

[data-theme="dark"] .tgn-retail-light .tgn-retail-empty-text {
    color: rgba(255, 255, 255, 0.6);
}

/* Dark Mode Bottom Nav */
[data-theme="dark"] .tgn-retail-bottom-nav {
    background: rgba(10, 10, 10, 0.95);
    border-top-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .tgn-retail-bottom-nav-item {
    color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .tgn-retail-bottom-nav-item.active {
    color: var(--tgn-app-primary, #2196F3);
}

[data-theme="dark"] .tgn-retail-bottom-nav-item:hover {
    color: #2196F3;
    background: rgba(33, 150, 243, 0.1);
    border-radius: 8px;
}

[data-theme="dark"] .tgn-retail-bottom-nav-item:active {
    transform: scale(0.95);
}

/* ========================================
   BACKWARDS COMPATIBILITY ALIASES
   Maps legacy variable names to TGN design tokens
   Allows existing component CSS to work seamlessly
======================================== */
:root {
    /* Typography Aliases */
    --font-family: var(--tgn-font-primary);
    --font-mono: var(--tgn-font-mono);
    --font-light: var(--tgn-font-light);
    --font-regular: var(--tgn-font-regular);
    --font-medium: var(--tgn-font-medium);
    --font-semibold: var(--tgn-font-semibold);
    --font-bold: var(--tgn-font-bold);

    /* Font Size Aliases */
    --text-xs: var(--tgn-text-xs);
    --text-sm: var(--tgn-text-sm);
    --text-base: var(--tgn-text-base);
    --text-lg: var(--tgn-text-lg);
    --text-xl: var(--tgn-text-xl);
    --text-2xl: var(--tgn-text-2xl);
    --text-3xl: var(--tgn-text-3xl);
    --text-4xl: var(--tgn-text-4xl);

    /* Line Height Aliases */
    --leading-none: var(--tgn-leading-none);
    --leading-tight: var(--tgn-leading-tight);
    --leading-snug: var(--tgn-leading-snug);
    --leading-normal: var(--tgn-leading-normal);
    --leading-relaxed: var(--tgn-leading-relaxed);

    /* Background Color Aliases */
    --bg-primary: var(--tgn-bg-primary);
    --bg-secondary: var(--tgn-bg-secondary);
    --bg-tertiary: var(--tgn-bg-tertiary);
    --bg-elevated: var(--tgn-bg-elevated);
    --bg-sunken: var(--tgn-bg-sunken);
    --bg-card: var(--tgn-bg-secondary);

    /* Glass Effect Aliases */
    --glass-bg: var(--tgn-glass-bg);
    --glass-bg-strong: var(--tgn-glass-bg-strong);
    --glass-bg-subtle: var(--tgn-glass-bg-subtle);
    --glass-border: var(--tgn-glass-border);
    --glass-border-subtle: var(--tgn-glass-border-subtle);

    /* Text Color Aliases */
    --text-primary: var(--tgn-text-primary);
    --text-secondary: var(--tgn-text-secondary);
    --text-tertiary: var(--tgn-text-tertiary);
    --text-quaternary: var(--tgn-text-quaternary);
    --text-inverse: var(--tgn-text-inverse);
    --text-link: var(--tgn-text-link);
    --text-link-hover: var(--tgn-text-link-hover);

    /* Brand/Accent Primary Aliases */
    --brand-primary: var(--tgn-primary);
    --brand-primary-rgb: var(--tgn-primary-rgb);
    --accent-primary: var(--tgn-primary);
    --accent-secondary: var(--tgn-primary-dark);

    /* Accent Color Aliases */
    --accent-blue: var(--tgn-accent-blue);
    --accent-blue-rgb: var(--tgn-accent-blue-rgb);
    --accent-green: var(--tgn-accent-green);
    --accent-green-rgb: var(--tgn-accent-green-rgb);
    --accent-orange: var(--tgn-accent-orange);
    --accent-orange-rgb: var(--tgn-accent-orange-rgb);
    --accent-red: var(--tgn-accent-red);
    --accent-red-rgb: var(--tgn-accent-red-rgb);
    --accent-purple: var(--tgn-accent-purple);
    --accent-purple-rgb: var(--tgn-accent-purple-rgb);
    --accent-pink: var(--tgn-accent-pink);
    --accent-pink-rgb: var(--tgn-accent-pink-rgb);
    --accent-teal: var(--tgn-accent-teal);
    --accent-teal-rgb: var(--tgn-accent-teal-rgb);
    --accent-yellow: var(--tgn-accent-yellow);
    --accent-yellow-rgb: var(--tgn-accent-yellow-rgb);

    /* Semantic Color Aliases */
    --color-success: var(--tgn-success);
    --color-warning: var(--tgn-warning);
    --color-danger: var(--tgn-danger);
    --color-info: var(--tgn-info);
    --success-color: var(--tgn-success);
    --warning-color: var(--tgn-warning);
    --error-color: var(--tgn-danger);
    --danger-color: var(--tgn-danger);
    --info-color: var(--tgn-info);

    /* Border Aliases */
    --border-color: var(--tgn-border-color);
    --border-color-strong: var(--tgn-border-color-strong);
    --border-color-hover: var(--tgn-border-color-hover);

    /* Shadow Aliases */
    --shadow-xs: var(--tgn-shadow-xs);
    --shadow-sm: var(--tgn-shadow-sm);
    --shadow-md: var(--tgn-shadow-md);
    --shadow-lg: var(--tgn-shadow-lg);
    --shadow-xl: var(--tgn-shadow-xl);
    --shadow-2xl: var(--tgn-shadow-2xl);

    /* Spacing Aliases */
    --space-0: var(--tgn-space-0);
    --space-1: var(--tgn-space-1);
    --space-2: var(--tgn-space-2);
    --space-3: var(--tgn-space-3);
    --space-4: var(--tgn-space-4);
    --space-5: var(--tgn-space-5);
    --space-6: var(--tgn-space-6);
    --space-8: var(--tgn-space-8);
    --space-10: var(--tgn-space-10);
    --space-12: var(--tgn-space-12);
    --space-16: var(--tgn-space-16);
    --space-20: var(--tgn-space-20);
    --space-24: var(--tgn-space-24);

    /* Border Radius Aliases */
    --radius-none: var(--tgn-radius-none);
    --radius-sm: var(--tgn-radius-sm);
    --radius-md: var(--tgn-radius-md);
    --radius-lg: var(--tgn-radius-lg);
    --radius-xl: var(--tgn-radius-xl);
    --radius-2xl: var(--tgn-radius-2xl);
    --radius-3xl: var(--tgn-radius-3xl);
    --radius-full: var(--tgn-radius-full);

    /* Blur Aliases */
    --blur-sm: var(--tgn-blur-sm);
    --blur-md: var(--tgn-blur-md);
    --blur-lg: var(--tgn-blur-lg);
    --blur-xl: var(--tgn-blur-xl);
    --blur-2xl: var(--tgn-blur-2xl);

    /* Transition Aliases */
    --transition-fast: var(--tgn-transition-fast);
    --transition-normal: var(--tgn-transition-normal);
    --transition-slow: var(--tgn-transition-slow);
    --transition-spring: var(--tgn-transition-spring);

    /* Duration Aliases */
    --duration-instant: var(--tgn-duration-instant);
    --duration-fast: var(--tgn-duration-fast);
    --duration-normal: var(--tgn-duration-normal);
    --duration-slow: var(--tgn-duration-slow);

    /* Z-Index Aliases */
    --z-base: var(--tgn-z-base);
    --z-raised: var(--tgn-z-raised);
    --z-dropdown: var(--tgn-z-dropdown);
    --z-sticky: var(--tgn-z-sticky);
    --z-overlay: var(--tgn-z-overlay);
    --z-modal: var(--tgn-z-modal);
    --z-popover: var(--tgn-z-popover);
    --z-toast: var(--tgn-z-toast);
    --z-tooltip: var(--tgn-z-tooltip);
}

/* Dark Theme Backward Compatibility */
[data-theme="dark"],
.tgn-dark {
    --bg-primary: var(--tgn-bg-primary);
    --bg-secondary: var(--tgn-bg-secondary);
    --bg-tertiary: var(--tgn-bg-tertiary);
    --bg-elevated: var(--tgn-bg-elevated);
    --bg-card: var(--tgn-bg-secondary);
    --glass-bg: var(--tgn-glass-bg);
    --glass-bg-strong: var(--tgn-glass-bg-strong);
    --glass-bg-subtle: var(--tgn-glass-bg-subtle);
    --glass-border: var(--tgn-glass-border);
    --text-primary: var(--tgn-text-primary);
    --text-secondary: var(--tgn-text-secondary);
    --text-tertiary: var(--tgn-text-tertiary);
    --text-inverse: var(--tgn-text-inverse);
    --border-color: var(--tgn-border-color);
    --border-color-strong: var(--tgn-border-color-strong);
    --shadow-sm: var(--tgn-shadow-sm);
    --shadow-md: var(--tgn-shadow-md);
    --shadow-lg: var(--tgn-shadow-lg);
}

/* ========================================
   RESPONSIVE UTILITIES
   Standard breakpoints: 640px (sm), 768px (md), 1024px (lg), 1280px (xl), 1536px (2xl)
======================================== */

/* --- Responsive App Container --- */
.tgn-app-container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--tgn-space-4);
}
@media (min-width: 768px) {
    .tgn-app-container { max-width: 768px; }
}
@media (min-width: 1024px) {
    .tgn-app-container { max-width: 1024px; }
}
@media (min-width: 1280px) {
    .tgn-app-container { max-width: 1200px; }
}

/* --- Responsive Grids --- */
.tgn-grid-2,
.tgn-grid-3,
.tgn-grid-4,
.tgn-grid-auto {
    display: grid;
    gap: var(--tgn-space-4);
}
.tgn-grid-2   { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.tgn-grid-3   { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
.tgn-grid-4   { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
.tgn-grid-auto { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

/* --- Responsive Navigation --- */
.tgn-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    z-index: var(--tgn-z-sticky);
}
@media (min-width: 768px) {
    .tgn-bottom-nav { max-width: 768px; left: 50%; transform: translateX(-50%); }
}

.tgn-sidebar-nav {
    display: none;
}
@media (min-width: 1024px) {
    .tgn-sidebar-nav {
        display: flex;
        flex-direction: column;
        width: 240px;
    }
}

/* --- Responsive Visibility Helpers --- */
@media (max-width: 639px) {
    .tgn-hide-sm { display: none !important; }
}
@media (max-width: 767px) {
    .tgn-hide-md { display: none !important; }
}
@media (min-width: 768px) {
    .tgn-show-md { display: block !important; }
}
@media (max-width: 767px) {
    .tgn-show-md { display: none !important; }
}
@media (min-width: 1024px) {
    .tgn-show-lg { display: block !important; }
    .tgn-hide-lg { display: none !important; }
}
@media (max-width: 1023px) {
    .tgn-show-lg { display: none !important; }
}

/* --- Responsive Modal --- */
.tgn-modal {
    max-width: min(90vw, 600px);
    margin: auto;
}
@media (min-width: 768px) {
    .tgn-modal {
        max-width: min(80vw, 720px);
        border-radius: var(--tgn-radius-xl);
    }
}

/* --- Responsive Forms --- */
.tgn-form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--tgn-space-4);
}
@media (min-width: 640px) {
    .tgn-form-row { grid-template-columns: 1fr 1fr; }
}

/* --- Responsive Cards --- */
.tgn-card {
    padding: var(--tgn-space-4);
}
@media (min-width: 768px) {
    .tgn-card { padding: var(--tgn-space-6); }
}
@media (min-width: 1024px) {
    .tgn-card { padding: var(--tgn-space-8); }
}