/* ============================================
   THE BIDDER - MODERN DESIGN SYSTEM 2.0
   A stunning, user-friendly auction platform
   ============================================ */

/* ============================================
   1. CSS VARIABLES & DESIGN TOKENS
   ============================================ */
:root {
    /* Primary Colors - Natural Teal/Emerald */
    --primary-50: #f0fdfa;
    --primary-100: #ccfbf1;
    --primary-200: #99f6e4;
    --primary-300: #5eead4;
    --primary-400: #2dd4bf;
    --primary-500: #14b8a6;
    --primary-600: #0d9488;
    --primary-700: #0f766e;
    --primary-800: #115e59;
    --primary-900: #134e4a;
    
    /* Accent Colors */
    --accent-rose: #f43f5e;
    --accent-rose-light: #fb7185;
    --accent-amber: #f59e0b;
    --accent-emerald: #10b981;
    --accent-cyan: #06b6d4;
    --accent-violet: #0d9488;
    
    /* Neutral Colors - Slate */
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    
    /* Semantic Colors */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --error: #ef4444;
    --error-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;
    
    /* Light Mode Theme */
    --bg-primary: var(--slate-50);
    --bg-secondary: #ffffff;
    --bg-tertiary: var(--slate-100);
    --bg-elevated: #ffffff;
    
    --text-primary: var(--slate-900);
    --text-secondary: var(--slate-600);
    --text-tertiary: var(--slate-400);
    --text-inverse: #ffffff;
    
    --border-subtle: var(--slate-200);
    --border-default: var(--slate-300);
    --border-focus: var(--primary-500);
    
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px -5px var(--primary-500);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    
    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Legacy compatibility */
    --vintage-cream: var(--bg-primary);
    --vintage-terracotta: var(--accent-rose);
    --vintage-sage: var(--primary-600);
    --vintage-grey: var(--slate-800);
    --vintage-sand: var(--slate-100);
    --vintage-teal: var(--primary-600);
    --vintage-charcoal: var(--slate-900);
    --vintage-text: var(--text-primary);
    --vintage-light: var(--bg-secondary);
}

/* ============================================
   DARK MODE THEME
   ============================================ */
[data-theme="dark"] {
    --bg-primary: var(--slate-900);
    --bg-secondary: var(--slate-800);
    --bg-tertiary: var(--slate-800);
    --bg-elevated: var(--slate-700);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --text-inverse: var(--slate-900);
    
    --border-subtle: var(--slate-700);
    --border-default: var(--slate-600);
    --border-focus: var(--primary-400);
    
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.5);
    
    --glass-bg: rgba(30, 41, 59, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* ============================================
   2. BASE STYLES & RESET
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

#app {
    max-width: 100%;
    min-height: 100vh;
    padding-bottom: calc(var(--space-20) + 80px);
}

/* Selection Color */
::selection {
    background: var(--primary-200);
    color: var(--primary-900);
}

[data-theme="dark"] ::selection {
    background: var(--primary-700);
    color: var(--primary-100);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--slate-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--slate-400);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--slate-600);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--slate-500);
}

/* ============================================
   3. HEADER & NAVIGATION
   ============================================ */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 101;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-3) var(--space-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-base);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex: 1;
}

.logo-image {
    height: 42px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    transition: transform var(--transition-fast);
}

.header-logo:hover .logo-image {
    transform: scale(1.05) rotate(-2deg);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Credits Display */
.credits-display {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
    color: white;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm), 0 0 0 0 rgba(13, 148, 136, 0.4);
    position: relative;
    overflow: hidden;
}

.credits-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.credits-display:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 20px -5px #0d9488;
}

.credits-display:hover::before {
    left: 100%;
}

.credits-display:active {
    transform: translateY(0);
}

.coin-icon {
    height: 1.1em;
    width: 1.1em;
    object-fit: contain;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

/* Settings/Profile Button */
.settings-btn {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-xl);
    border: none;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: var(--text-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.settings-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.settings-btn:hover {
    transform: scale(1.05);
    color: white;
    box-shadow: var(--shadow-md);
}

.settings-btn:hover::after {
    opacity: 1;
}

.settings-btn span {
    position: relative;
    z-index: 1;
}

.settings-btn:active {
    transform: scale(0.95);
}

/* ============================================
   4. TAB NAVIGATION
   ============================================ */
.tabs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    position: fixed;
    top: 58px;
    left: 0;
    right: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.tabs.hidden {
    transform: translateY(-100%);
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    flex: 0 1 auto;
    min-width: auto;
    padding: 10px 20px;
    border: none;
    border-radius: 12px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.tab-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    opacity: 0;
    transition: opacity 0.2s ease;
    border-radius: inherit;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.tab-btn.active {
    color: white;
    box-shadow: 0 2px 8px rgba(20, 184, 166, 0.3);
}

.tab-btn.active::before {
    opacity: 1;
}

.tab-btn span {
    position: relative;
    z-index: 1;
}

/* Add padding to body to account for fixed header + tabs */
#app {
    padding-top: 115px;
    padding-bottom: 20px;
}

/* ============================================
   5. HERO SECTIONS
   ============================================ */
.hero-intro {
    position: relative;
    padding: var(--space-8) var(--space-5);
    margin: 0;
    overflow: hidden;
    isolation: isolate;
}

.hero-intro::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(13, 148, 136, 0.3), transparent),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(16, 185, 129, 0.2), transparent),
        radial-gradient(ellipse 50% 30% at 20% 100%, rgba(6, 182, 212, 0.15), transparent);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: white;
    margin-bottom: var(--space-2);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-6);
    font-weight: var(--font-medium);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: white;
    transition: all var(--transition-fast);
}

.hero-feature:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-md);
}

/* Hero Variants */
.hero-intro {
    background: linear-gradient(135deg, #115e59 0%, #134e4a 50%, var(--slate-900) 100%);
}

.hero-my-auctions {
    background: linear-gradient(135deg, #0c4a6e 0%, #0369a1 50%, #0284c7 100%);
}

.hero-create {
    background: linear-gradient(135deg, #065f46 0%, #059669 50%, #10b981 100%);
}

.hero-profile {
    background: linear-gradient(135deg, #334155 0%, #475569 50%, #64748b 100%);
}

/* Profile Avatar in Hero */
.hero-profile .profile-avatar {
    width: 80px;
    height: 80px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto var(--space-4);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.hero-profile .profile-avatar:hover {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
}

.hero-profile .profile-avatar .avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   6. FILTER SECTION
   ============================================ */
.filters-section {
    padding: var(--space-4) var(--space-5);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

.category-filter-bar {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.category-select {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    padding-right: var(--space-10);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    background: var(--bg-elevated);
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.category-select:hover {
    border-color: var(--border-default);
}

.category-select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.location-filter-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.location-filter-btn:hover {
    border-color: var(--primary-500);
    color: var(--primary-600);
    background: var(--primary-50);
}

[data-theme="dark"] .location-filter-btn:hover {
    background: var(--primary-900);
    color: var(--primary-300);
}

.location-filter-active {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--info-light);
    border: 1px solid var(--info);
    border-radius: var(--radius-lg);
    animation: slideDown var(--transition-spring);
}

[data-theme="dark"] .location-filter-active {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

.clear-location-btn {
    padding: var(--space-1) var(--space-3);
    background: transparent;
    border: none;
    color: var(--info);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.clear-location-btn:hover {
    background: var(--info);
    color: white;
}

/* ============================================
   7. AUCTION SECTIONS & CARDS
   ============================================ */
.auctions-section {
    margin-bottom: var(--space-6);
    padding: 0 var(--space-5);
    overflow: visible;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    padding: var(--space-2) 0;
}

.section-title {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.section-hint {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    font-weight: var(--font-medium);
    animation: pulse 2s infinite;
}

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

/* Horizontal Scroll Container */
.auctions-horizontal-scroll {
    display: flex;
    flex-wrap: nowrap;
    gap: var(--space-3);
    overflow-x: auto;
    overflow-y: hidden;
    padding: var(--space-2) var(--space-1) var(--space-4);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin: 0 calc(-1 * var(--space-5));
    padding-left: var(--space-5);
    padding-right: var(--space-5);
}

.auctions-horizontal-scroll::-webkit-scrollbar {
    display: none;
}

/* Modern Auction Card */
.auction-card {
    flex: 0 0 160px;
    min-width: 160px;
    max-width: 160px;
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    scroll-snap-align: start;
    position: relative;
    border: 1px solid var(--border-subtle);
}

.auction-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.4) 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 1;
    pointer-events: none;
}

.auction-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.auction-card:hover::before {
    opacity: 1;
}

.auction-card:active {
    transform: translateY(-2px) scale(0.97);
    transition: transform 0.1s ease;
}

/* Card click ripple effect */
.auction-card .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: scale(0);
    animation: rippleEffect 0.5s ease-out;
    pointer-events: none;
    z-index: 5;
}

@keyframes rippleEffect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Card tap feedback animation */
.auction-card.tapped {
    animation: cardTap 0.3s ease;
}

@keyframes cardTap {
    0% { transform: scale(1); }
    50% { transform: scale(0.96); }
    100% { transform: scale(1); }
}

/* Credit Auction Card */
.auction-card.credit-auction-card {
    background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
    border-color: var(--primary-400);
}

.auction-card.credit-auction-card .auction-title {
    color: white;
}

.auction-card.credit-auction-card .auction-price {
    color: var(--primary-300);
}

/* Card Image */
.auction-image {
    position: relative;
    width: 100%;
    height: 120px;
    overflow: hidden;
    z-index: 1;
}

.auction-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.auction-card:hover .auction-image img {
    transform: scale(1.1);
}

/* Card Badges - Overlay on Image */
.card-badges {
    position: absolute;
    top: 6px;
    left: 6px;
    right: 6px;
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    z-index: 2;
}

.card-badge {
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 9px;
    font-weight: 600;
}

.card-badge.category {
    background: rgba(0, 0, 0, 0.6);
    color: white;
}

.card-badge.sale-type {
    background: #10b981;
    color: white;
}

.card-badge.credit {
    background: #0d9488;
    color: white;
}

.card-badge.sponsored {
    background: #f59e0b;
    color: white;
}

.card-badge.your-listing {
    background: #3b82f6;
    color: white;
}

/* Pin Badge - Sponsored listings */
.pin-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
    letter-spacing: 0.5px;
}

/* My Auction Badge - Your listing indicator */
.my-auction-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.4);
    letter-spacing: 0.5px;
}

/* Credit Auction Badge */
.credit-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(13, 148, 136, 0.4);
    letter-spacing: 0.5px;
}

/* Sale Type Badge */
.sale-type-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 9px;
    font-weight: 700;
    z-index: 10;
    letter-spacing: 0.3px;
}

.sale-type-badge.auction {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

.sale-type-badge.fixed-price {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.sale-type-badge.offers {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: white;
}

/* Card Content */
.auction-card-content {
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.auction-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 40px;
}

.auction-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
}

.price-value {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--accent-rose);
}

.price-currency {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    font-weight: var(--font-medium);
}

.price-label {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

/* Countdown Timer */
.countdown-timer {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--error-light);
    color: var(--error);
    border-radius: var(--radius-md);
    font-size: 11px;
    font-weight: var(--font-semibold);
    font-variant-numeric: tabular-nums;
}

.countdown-timer.ending-soon {
    animation: pulse-red 1s infinite;
}

@keyframes pulse-red {
    0%, 100% { background: var(--error-light); }
    50% { background: #fecaca; }
}

/* Location Badge */
.location-badge {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 11px;
    color: var(--text-tertiary);
}

/* ============================================
   8. PROFILE PAGE
   ============================================ */
.profile-container {
    padding: var(--space-5);
    max-width: 800px;
    margin: 0 auto;
}

.profile-section {
    background: var(--bg-elevated);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    margin-bottom: var(--space-5);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
}

.profile-section:hover {
    box-shadow: var(--shadow-md);
}

.profile-section-title {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.profile-section-desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

/* Quick Actions Grid */
.profile-quick-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.profile-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-3);
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.profile-action-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-200);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.profile-action-btn:active {
    transform: translateY(0);
}

.profile-action-btn .action-icon {
    font-size: 24px;
    transition: transform var(--transition-fast);
}

.profile-action-btn:hover .action-icon {
    transform: scale(1.1);
}

.profile-action-btn .action-text {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
    text-align: center;
}

/* Referral Stats */
.referral-stats-inline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.referral-stat-card {
    background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    text-align: center;
    color: white;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.referral-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.referral-stat-card .stat-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-1);
}

.referral-stat-card .stat-label {
    font-size: var(--text-sm);
    opacity: 0.9;
}

.referral-code-inline {
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    text-align: center;
    margin-bottom: var(--space-4);
}

.referral-code-inline p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.referral-code-display {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--primary-600);
    letter-spacing: 4px;
    font-family: var(--font-mono);
}

[data-theme="dark"] .referral-code-display {
    color: var(--primary-400);
}

.btn-referral-share {
    width: 100%;
    padding: var(--space-4);
    background: linear-gradient(135deg, #0d9488, #0f766e);
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.btn-referral-share:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 20px -5px #0d9488;
}

/* Danger Zone */
.profile-danger-zone {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border-color: #fecaca;
}

[data-theme="dark"] .profile-danger-zone {
    background: linear-gradient(135deg, rgba(127, 29, 29, 0.2) 0%, rgba(153, 27, 27, 0.15) 100%);
}

.delete-account-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.delete-account-form input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid #fecaca;
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    background: white;
    transition: all var(--transition-fast);
}

.delete-account-form input:focus {
    outline: none;
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.btn-danger {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--error);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* ============================================
   9. FORMS & INPUTS
   ============================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-family: inherit;
    background: var(--bg-elevated);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--border-default);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 4px var(--primary-100);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus,
[data-theme="dark"] .form-group textarea:focus {
    box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-hint {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

/* Sale Type Selector */
.sale-type-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.sale-type-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-3);
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sale-type-option:hover {
    border-color: var(--primary-200);
    background: var(--bg-secondary);
}

.sale-type-option.selected {
    border-color: var(--primary-500);
    background: var(--primary-50);
    box-shadow: 0 0 0 4px var(--primary-100);
}

[data-theme="dark"] .sale-type-option.selected {
    background: rgba(13, 148, 136, 0.15);
    box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.2);
}

.sale-type-icon {
    font-size: 28px;
    transition: transform var(--transition-fast);
}

.sale-type-option:hover .sale-type-icon {
    transform: scale(1.1);
}

.sale-type-name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.sale-type-desc {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    text-align: center;
}

/* Image Upload */
.image-upload-container {
    border: 2px dashed var(--border-default);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    background: var(--bg-tertiary);
    transition: all var(--transition-fast);
}

.image-upload-container:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
}

[data-theme="dark"] .image-upload-container:hover {
    background: rgba(13, 148, 136, 0.1);
}

.upload-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--bg-elevated);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.upload-btn:hover {
    border-color: var(--primary-500);
    color: var(--primary-600);
}

.image-preview {
    margin-top: var(--space-4);
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

.image-preview img {
    width: 100%;
    height: auto;
    display: block;
}

/* AI Autofill Section */
.ai-autofill-section {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: linear-gradient(135deg, #667eea0d 0%, #764ba20d 100%);
    border: 2px dashed #667eea40;
    border-radius: var(--radius-xl);
    text-align: center;
    animation: fadeIn 0.3s ease;
}

/* AI Quick Fill Section - Top of Form */
.ai-quick-fill-section {
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.08) 0%, rgba(15, 118, 110, 0.12) 100%);
    border: 2px solid rgba(13, 148, 136, 0.3);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    margin-bottom: var(--space-4);
}

.ai-quick-fill-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.ai-quick-fill-header h3 {
    margin: 0;
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-sparkle {
    font-size: 1.5em;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 1; }
    50% { transform: scale(1.2) rotate(10deg); opacity: 0.8; }
}

.ai-quick-fill-desc {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
}

.ai-quick-fill-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-8);
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    border: none;
    border-radius: var(--radius-xl);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(13, 148, 136, 0.4);
    width: 100%;
    max-width: 320px;
}

.ai-quick-fill-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.5);
}

.ai-quick-fill-btn:active {
    transform: translateY(0);
}

.ai-quick-fill-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.ai-quick-fill-btn .ai-icon {
    font-size: 1.4em;
}

/* Form Divider */
.form-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: var(--space-6) 0;
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border-subtle);
}

.form-divider span {
    padding: 0 var(--space-4);
}

.ai-autofill-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    border: none;
    border-radius: var(--radius-xl);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(13, 148, 136, 0.4);
    width: 100%;
    max-width: 300px;
}

.ai-autofill-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.5);
}

.ai-autofill-btn:active {
    transform: translateY(0);
}

.ai-autofill-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.ai-autofill-btn .ai-icon {
    font-size: 1.3em;
}

.ai-hint {
    display: block;
    margin-top: var(--space-3);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

/* AI Loading State */
.ai-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: linear-gradient(135deg, #667eea10 0%, #764ba210 100%);
    border-radius: var(--radius-xl);
    color: #667eea;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.ai-loading-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid #667eea30;
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* AI Result Info */
.ai-result-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--success-light);
    border-radius: var(--radius-lg);
    color: var(--success);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    animation: slideUp 0.3s ease;
}

.ai-success-icon {
    font-size: 1.2em;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes highlightField {
    0% {
        background-color: rgba(102, 126, 234, 0.3);
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
    }
    100% {
        background-color: transparent;
        box-shadow: none;
    }
}

/* Dark mode support for AI section */
[data-theme="dark"] .ai-autofill-section {
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    border-color: #667eea50;
}

[data-theme="dark"] .ai-result-info {
    background: rgba(16, 185, 129, 0.15);
}

/* Location Picker */
.location-picker-section {
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    margin-top: var(--space-5);
}

.location-picker-section h4 {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.location-picker-info {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

/* ============================================
   10. BUTTONS
   ============================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm), 0 0 0 0 rgba(13, 148, 136, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), 0 0 20px -5px var(--primary-500);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--border-default);
    transform: translateY(-1px);
}

.btn-secondary:active {
    transform: translateY(0);
}

.form-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.form-actions .btn-primary,
.form-actions .btn-secondary {
    flex: 1;
}

/* Location Button */
.location-btn {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: white;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    width: 100%;
}

.location-btn:hover {
    box-shadow: var(--shadow-md);
}

/* ============================================
   11. MODALS
   ============================================ */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    padding: var(--space-5);
    overflow-y: auto;
    animation: fadeIn 0.2s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    position: relative;
    width: 95%;
    max-width: 400px;
    min-height: 400px;
    max-height: 85vh;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    animation: slideUp 0.3s ease;
    overflow-y: auto;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-full);
    font-size: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

.close:hover {
    background: var(--error-light);
    color: var(--error);
    transform: rotate(90deg);
}

.modal-content h2 {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-5);
    padding-right: var(--space-10);
}

/* Credits Modal */
.credits-modal-content {
    max-width: 380px;
    padding: 0;
    overflow: hidden;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.credits-modal-content .close {
    top: 12px;
    right: 12px;
    background: rgba(0,0,0,0.1);
    color: #333;
}

.credits-modal-content .close:hover {
    background: rgba(0,0,0,0.2);
    color: #000;
}

.credits-modal-content h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0;
    padding: 20px 15px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    font-size: 18px;
    color: var(--text-primary);
    flex-shrink: 0;
    border-radius: 16px 16px 0 0;
}

.credits-modal-content h2 .coin-icon {
    width: 28px;
    height: 28px;
}

.credits-balance {
    text-align: center;
    padding: 12px 15px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    margin: 15px 15px 12px 15px;
    font-size: 13px;
    border: 1px solid var(--border-subtle);
    position: relative;
    flex-shrink: 0;
}

.credits-balance strong {
    display: block;
    font-size: 22px;
    color: #0d9488;
    margin-top: 3px;
}

.credits-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    flex: 1;
    padding: 0 15px 15px 15px;
}

.credit-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.credit-option:hover {
    border-color: #10b981;
    background: var(--bg-secondary);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(16, 185, 129, 0.1);
}

.credit-option.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.credit-option.disabled:hover {
    transform: none;
    border-color: var(--border-subtle);
    box-shadow: none;
    background: var(--bg-tertiary);
}

.credit-option-icon {
    font-size: 22px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    flex-shrink: 0;
}

.credit-option-content {
    flex: 1;
}

.credit-option-content h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.credit-option-content p {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.credit-reward {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: #166534;
    background: #dcfce7;
    padding: 3px 10px;
    border-radius: 20px;
    white-space: nowrap;
}

.daily-timer {
    font-size: 11px;
    color: var(--text-tertiary);
    font-variant-numeric: tabular-nums;
    background: var(--bg-secondary);
    padding: 4px 10px;
    border-radius: 8px;
}

.coming-soon-badge {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 8px;
}

/* Dark mode adjustments for credits modal */
[data-theme="dark"] .credits-modal-content .close {
    background: rgba(255,255,255,0.1);
    color: #ccc;
}

[data-theme="dark"] .credits-modal-content .close:hover {
    background: rgba(255,255,255,0.2);
    color: #fff;
}

[data-theme="dark"] .credits-balance strong {
    color: #2dd4bf;
}

[data-theme="dark"] .credit-reward {
    color: #4ade80;
    background: #14532d;
}

/* Purchase Options */
.purchase-options {
    display: grid;
    gap: var(--space-4);
}

.purchase-option {
    position: relative;
    padding: var(--space-5);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.purchase-option:hover {
    border-color: var(--primary-300);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.purchase-option.popular {
    border-color: var(--accent-amber);
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
}

[data-theme="dark"] .purchase-option.popular {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(217, 119, 6, 0.1) 100%);
}

.purchase-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-3);
    background: var(--accent-rose);
    color: white;
    font-size: 10px;
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

.purchase-amount {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.purchase-price {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--primary-600);
    margin-bottom: var(--space-2);
}

.purchase-savings {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--success-light);
    color: var(--success);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
}

.purchase-btn {
    width: 100%;
    padding: var(--space-3);
    background: var(--primary-500);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.purchase-btn:hover {
    background: var(--primary-600);
}

/* Referral Modal */
.referral-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.referral-stat {
    text-align: center;
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
}

.stat-number {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--primary-600);
    margin-bottom: var(--space-1);
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.referral-code-box {
    background: linear-gradient(135deg, #0d9488, #0f766e);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    text-align: center;
    color: white;
    margin-bottom: var(--space-5);
}

.referral-code {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    letter-spacing: 4px;
    font-family: var(--font-mono);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.referral-message {
    width: 100%;
    min-height: 120px;
    padding: var(--space-4);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    font-family: inherit;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    resize: vertical;
}

/* Location Modal */
.location-modal-content {
    max-width: 500px;
    min-height: auto;
    max-height: 90vh;
    overflow-y: auto;
    padding: 20px;
}

.location-modal-content h2 {
    margin-bottom: var(--space-4);
    padding-right: 40px;
}

/* Fix Leaflet map tiles inside modal */
.location-map img {
    max-width: none !important;
    max-height: none !important;
}

.location-map .leaflet-tile-pane img {
    max-width: none !important;
    max-height: none !important;
}

.location-map .leaflet-marker-icon,
.location-map .leaflet-marker-shadow {
    max-width: none !important;
    max-height: none !important;
}

.location-controls {
    margin-bottom: var(--space-3);
}

.address-search-container {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.address-search-container input {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 13px;
    background: var(--bg-elevated);
    transition: all var(--transition-fast);
}

.address-search-container input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 2px var(--primary-100);
}

.search-btn {
    padding: 6px 12px;
    background: var(--primary-500);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.search-btn:hover {
    background: var(--primary-600);
}

.location-map {
    width: 100%;
    height: 250px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-subtle);
    margin-bottom: var(--space-3);
    overflow: hidden;
}

/* Auction Map Markers */
.auction-marker-container {
    background: transparent !important;
    border: none !important;
}

.auction-map-marker {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.auction-map-marker.inside {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    border: 3px solid var(--primary-500);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    position: relative;
}

.auction-map-marker.inside::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid var(--primary-500);
}

.auction-map-marker.inside img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.auction-map-marker.inside:hover {
    transform: scale(1.15);
}

.auction-map-marker.outside {
    width: 20px;
    height: 20px;
    background: var(--slate-400);
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
    font-size: 10px;
    opacity: 0.6;
}

.auction-map-marker.outside span {
    display: none;
}

/* Auction Popup on Map */
.auction-popup {
    font-size: 12px;
    line-height: 1.4;
    min-width: 120px;
}

.auction-popup strong {
    display: block;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.auction-popup span {
    color: var(--primary-600);
    font-weight: 600;
}

.auction-popup small {
    color: var(--text-tertiary);
}

.radius-slider-container {
    margin-bottom: var(--space-3);
}

.radius-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.radius-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border-subtle);
    border-radius: var(--radius-full);
    outline: none;
}

.radius-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary-500);
    border-radius: var(--radius-full);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.radius-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 8px rgba(13, 148, 136, 0.2);
}

.radius-marks {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

.selected-location-info {
    padding: var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
    font-size: var(--text-sm);
}

.selected-location-info p {
    margin: 0;
}

.selected-location-info p + p {
    margin-top: var(--space-1);
}

.location-modal-buttons {
    display: flex;
    gap: var(--space-2);
}

.location-modal-buttons button {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
}

/* Auction Detail Modal */
.auction-detail-content {
    padding-top: 10px;
}

.auction-detail-image-container {
    width: 100%;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 10px;
    margin-bottom: 12px;
    overflow: hidden;
}

.auction-detail-image {
    max-width: 100%;
    max-height: 180px;
    object-fit: contain;
    border-radius: 10px;
}

.no-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--text-secondary);
    font-size: 48px;
}

/* Credit Auction Detail Image */
.auction-detail-image-container.credit-auction-detail-image {
    background: linear-gradient(135deg, #99f6e4 0%, #14b8a6 50%, #0d9488 100%);
    position: relative;
    overflow: visible;
}

.auction-detail-image-container.credit-auction-detail-image::before {
    content: '✨';
    position: absolute;
    top: 15px;
    left: 20px;
    font-size: 24px;
    animation: sparkle 1.5s ease-in-out infinite;
}

.auction-detail-image-container.credit-auction-detail-image::after {
    content: '✨';
    position: absolute;
    bottom: 15px;
    right: 20px;
    font-size: 24px;
    animation: sparkle 1.5s ease-in-out infinite 0.75s;
}

@keyframes sparkle {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
}

.credit-auction-detail-coin {
    width: 100px;
    height: 100px;
    object-fit: contain;
    animation: coinFloat 3s ease-in-out infinite;
    filter: drop-shadow(0 8px 16px rgba(13, 148, 136, 0.5));
}

@keyframes coinFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-8px) rotate(5deg); }
    75% { transform: translateY(-8px) rotate(-5deg); }
}

[data-theme="dark"] .auction-detail-image-container.credit-auction-detail-image {
    background: linear-gradient(135deg, #134e4a 0%, #0f766e 50%, #0d9488 100%);
}

[data-theme="dark"] .credit-auction-detail-coin {
    filter: drop-shadow(0 8px 16px rgba(20, 184, 166, 0.3));
}

.auction-detail-header {
    margin-bottom: 15px;
}

.auction-detail-title,
.detail-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.detail-description {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.detail-countdown {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.detail-price-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border-radius: var(--radius-lg);
}

[data-theme="dark"] .detail-price-container {
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.1), rgba(13, 148, 136, 0.2));
}

.detail-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-600);
}

[data-theme="dark"] .detail-price {
    color: var(--primary-400);
}

/* Notification Bell Button in Modal */
.notification-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 22px;
}

.notification-btn:hover {
    background: var(--primary-50);
    border-color: var(--primary-400);
    transform: scale(1.05);
}

.notification-btn.active {
    background: var(--primary-100);
    border-color: var(--primary-500);
}

[data-theme="dark"] .notification-btn {
    background: var(--bg-secondary);
}

[data-theme="dark"] .notification-btn:hover,
[data-theme="dark"] .notification-btn.active {
    background: rgba(13, 148, 136, 0.2);
}

.auction-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.auction-detail-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
    padding: var(--space-4);
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border-radius: var(--radius-xl);
}

[data-theme="dark"] .auction-detail-price {
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.1), rgba(13, 148, 136, 0.2));
}

.detail-price-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--primary-600);
}

[data-theme="dark"] .detail-price-value {
    color: var(--primary-400);
}

.detail-price-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.bid-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.bid-buttons button {
    padding: var(--space-3);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.bid-buttons button:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
    transform: translateY(-1px);
}

[data-theme="dark"] .bid-buttons button:hover {
    background: rgba(13, 148, 136, 0.1);
}

/* ============================================
   12. FLOATING ACTION BUTTON
   ============================================ */
.fab-container {
    position: fixed;
    bottom: var(--space-5);
    right: var(--space-5);
    z-index: 90;
}

.fab-button {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #0d9488 0%, #0f766e 100%);
    color: white;
    border: none;
    font-size: 24px;
    cursor: pointer;
    box-shadow: var(--shadow-lg), 0 0 0 0 rgba(13, 148, 136, 0.4);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.fab-button:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl), 0 0 30px -5px #0d9488;
}

.fab-button.active {
    transform: rotate(45deg);
    background: linear-gradient(135deg, var(--accent-rose) 0%, #e11d48 100%);
}

.fab-menu {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: all var(--transition-spring);
}

.fab-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.fab-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.fab-menu-item:hover {
    transform: translateX(-4px);
    background: var(--bg-elevated);
}

.fab-menu-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-500);
    color: white;
    border-radius: var(--radius-lg);
    font-size: var(--text-lg);
}

.fab-menu-label {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

/* ============================================
   13. TAB CONTENT & TRANSITIONS
   ============================================ */

.tab-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   14. BUTTON STATES & INTERACTIONS
   ============================================ */

/* Button Press Effect */
button:active:not(:disabled),
[role="button"]:active:not(:disabled) {
    transform: scale(0.96);
}

/* Disabled Button State */
button:disabled,
.btn-primary:disabled,
.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Focus States for Accessibility */
button:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

/* Card Click Effect */
.auction-card {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

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

/* Tab Button Enhancement */
.tab-btn {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.tab-btn:active {
    transform: scale(0.95);
}

/* FAB Button Enhancement */
.fab-button {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.fab-menu-item {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

/* Credit Option Enhancement */
.credit-option {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.credit-option:not(.disabled):active {
    transform: scale(0.98);
}

/* Purchase Option Enhancement */
.purchase-option {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.purchase-option:active {
    transform: scale(0.98);
}

/* Sale Type Option Enhancement */
.sale-type-option {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.sale-type-option:active {
    transform: scale(0.96);
}

/* Profile Action Button Enhancement */
.profile-action-btn {
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.profile-action-btn:active {
    transform: scale(0.95);
}

/* ============================================
   14. UTILITY CLASSES & ANIMATIONS
   ============================================ */
.loading {
    text-align: center;
    padding: var(--space-10);
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-left: var(--space-2);
    border: 2px solid var(--border-subtle);
    border-top-color: #0d9488;
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

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

.empty-state {
    text-align: center;
    padding: var(--space-10);
    color: var(--text-tertiary);
    font-size: var(--text-base);
}

.empty-state-small {
    text-align: center;
    padding: var(--space-6);
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

/* Animation Classes */
.animate-fade-in {
    animation: fadeIn 0.3s ease;
}

.animate-slide-up {
    animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.animate-scale-in {
    animation: scaleIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-active {
    background: var(--success-light);
    color: var(--success);
}

.status-pending {
    background: var(--warning-light);
    color: #b45309;
}

.status-closed {
    background: var(--slate-200);
    color: var(--slate-600);
}

[data-theme="dark"] .status-closed {
    background: var(--slate-700);
    color: var(--slate-400);
}

.status-rejected {
    background: var(--error-light);
    color: var(--error);
}

/* My Auction Cards */
.my-auction-card {
    flex: 0 0 160px;
    min-width: 160px;
    max-width: 160px;
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-base);
    scroll-snap-align: start;
    cursor: pointer;
    position: relative;
}

.my-auction-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.my-auction-card:active {
    transform: translateY(-1px) scale(0.97);
    transition: transform 0.1s ease;
}

/* Ripple effect for my-auction-card */
.my-auction-card .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: scale(0);
    animation: rippleEffect 0.5s ease-out;
    pointer-events: none;
    z-index: 10;
}

.my-auction-card.tapped {
    animation: cardTap 0.3s ease;
}

.my-auction-card.pinned-card {
    border-color: var(--accent-amber);
    box-shadow: 0 0 0 1px var(--accent-amber), var(--shadow-md);
}

.my-auction-card .auction-image {
    position: relative;
}

.my-auction-card .auction-status {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
}

.my-auction-content {
    padding: var(--space-4);
}

.my-auction-card .auction-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.my-auction-card .auction-actions button {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.edit-auction-btn {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.edit-auction-btn:hover {
    background: var(--border-subtle);
}

.delete-auction-btn {
    background: var(--error-light);
    color: var(--error);
}

.delete-auction-btn:hover {
    background: var(--error);
    color: white;
}

.sponsor-auction-btn {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    color: #92400e;
}

.sponsor-auction-btn:hover {
    background: linear-gradient(135deg, #fde68a, #fcd34d);
}

/* Rating Stars */
.rating-stars {
    display: flex;
    gap: var(--space-1);
    font-size: 24px;
    cursor: pointer;
}

.rating-stars .star {
    opacity: 0.3;
    transition: all var(--transition-fast);
}

.rating-stars .star:hover,
.rating-stars .star.active {
    opacity: 1;
    transform: scale(1.1);
}

/* Q&A Section */
.auction-qa-section {
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-subtle);
}

.qa-ask-form textarea {
    width: 100%;
    min-height: 80px;
    padding: var(--space-3);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: var(--text-sm);
    resize: vertical;
    transition: all var(--transition-fast);
}

.qa-ask-form textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px var(--primary-100);
}

.ask-question-btn {
    margin-top: var(--space-3);
    padding: var(--space-2) var(--space-5);
    background: var(--primary-500);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.ask-question-btn:hover {
    background: var(--primary-600);
    transform: translateY(-1px);
}

.questions-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.question-item {
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.question-text {
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.question-meta {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
}

.answer-text {
    padding: var(--space-3);
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary-500);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* Search Results */
.search-results {
    max-height: 200px;
    overflow-y: auto;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-md);
}

.search-result-item {
    padding: var(--space-3) var(--space-4);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--border-subtle);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: var(--primary-50);
}

[data-theme="dark"] .search-result-item:hover {
    background: rgba(13, 148, 136, 0.1);
}

/* Tutorial Overlay */
.tutorial-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
}

.tutorial-spotlight {
    position: absolute;
    border-radius: 12px;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.75);
    border: 3px solid var(--primary-400);
    animation: pulse-spotlight 2s ease-in-out infinite;
}

@keyframes pulse-spotlight {
    0%, 100% { 
        border-color: var(--primary-400);
        box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.75), 0 0 20px rgba(20, 184, 166, 0.4);
    }
    50% { 
        border-color: var(--primary-300);
        box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.75), 0 0 30px rgba(20, 184, 166, 0.6);
    }
}

/* Tutorial Modal */
.tutorial-modal {
    position: absolute;
    background: var(--bg-secondary);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    max-width: 320px;
    width: calc(100% - 40px);
    animation: tutorialSlideIn 0.3s ease;
    overflow: hidden;
}

.tutorial-modal.center {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes tutorialSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tutorial-modal.center {
    animation: tutorialFadeIn 0.3s ease;
}

@keyframes tutorialFadeIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.tutorial-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
}

.tutorial-header h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
}

.tutorial-progress {
    font-size: 12px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 10px;
    border-radius: 20px;
}

.tutorial-content {
    padding: 20px;
}

.tutorial-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.tutorial-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-subtle);
}

.tutorial-btn {
    font-size: 13px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 8px 16px;
}

.tutorial-skip {
    background: transparent;
    color: var(--text-tertiary);
}

.tutorial-skip:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.tutorial-nav {
    display: flex;
    gap: 8px;
}

.tutorial-prev {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

.tutorial-prev:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.tutorial-next {
    background: var(--primary-500);
    color: white;
}

.tutorial-next:hover {
    background: var(--primary-600);
    transform: translateY(-1px);
}

/* Tutorial highlight on elements */
.tutorial-highlight {
    position: relative;
    z-index: 10001 !important;
}

.tutorial-highlight-parent {
    z-index: 10001 !important;
}

/* Dark mode adjustments */
[data-theme="dark"] .tutorial-modal {
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .tutorial-header {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
}

/* Remove old tooltip styles - using modal instead */
.tutorial-tooltip {
    display: none;
}

.tutorial-progress-dot {
    display: none;
}

/* Create Auction Container */
.create-auction-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-5);
}

.create-auction-container h2 {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-5);
    text-align: center;
}

.auction-form {
    background: var(--bg-elevated);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-subtle);
}

/* Admin Panel */
.admin-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-5);
}

.admin-container h2 {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-5);
}

.admin-sub-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
    border-bottom: 2px solid var(--border-subtle);
    padding-bottom: var(--space-2);
}

.admin-sub-tab {
    padding: var(--space-2) var(--space-4);
    background: transparent;
    border: none;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: var(--radius-md);
}

.admin-sub-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.admin-sub-tab.active {
    color: var(--primary-600);
    background: var(--primary-50);
}

[data-theme="dark"] .admin-sub-tab.active {
    color: var(--primary-400);
    background: rgba(13, 148, 136, 0.1);
}

.admin-filter-bar {
    margin-bottom: var(--space-5);
}

.auctions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}

/* Admin grid auction cards - override horizontal scroll styles */
.auctions-grid .auction-card {
    flex: unset;
    min-width: unset;
    max-width: unset;
    width: 100%;
}

.auctions-grid .auction-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.auctions-grid .auction-card .auction-image {
    height: 180px;
}

.auctions-grid .auction-card .auction-info {
    padding: var(--space-3);
}

.auctions-grid .auction-card .auction-title {
    font-size: var(--text-base);
    margin-bottom: var(--space-2);
}

.auctions-grid .auction-card .auction-price {
    font-size: var(--text-lg);
}

/* Configure button for fake bidding */
.btn-configure-fake {
    background: var(--primary-500);
    color: white;
    border: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 100%;
}

.btn-configure-fake:hover {
    background: var(--primary-600);
    transform: translateY(-1px);
}

/* Responsive Adjustments */
@media (max-width: 640px) {
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .hero-features {
        gap: var(--space-2);
    }
    
    .hero-feature {
        padding: var(--space-1) var(--space-3);
        font-size: 11px;
    }
    
    .profile-quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sale-type-options {
        grid-template-columns: 1fr;
    }
    
    .referral-stats-inline {
        grid-template-columns: 1fr;
    }
    
    .bid-buttons {
        grid-template-columns: 1fr;
    }
    
    .auction-card {
        flex: 0 0 150px;
        min-width: 150px;
    }
    
    .fab-container {
        bottom: var(--space-4);
        right: var(--space-4);
    }
    
    .fab-button {
        width: 56px;
        height: 56px;
    }
}

/* Print Styles */
@media print {
    header,
    .tabs,
    .fab-container,
    .filters-section {
        display: none;
    }
    
    .modal {
        position: static;
        display: block !important;
        background: none;
        padding: 0;
    }
    
    .modal-content {
        box-shadow: none;
        border: none;
        max-height: none;
    }
}

/* ============================================
   16. ENHANCED VISUAL EFFECTS
   ============================================ */

/* Gradient text effect for special elements */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glow effect for important buttons */
.glow-button {
    box-shadow: 0 0 20px -5px var(--primary-500);
    animation: glow-pulse 2s infinite;
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 20px -5px var(--primary-500); }
    50% { box-shadow: 0 0 30px -5px var(--primary-500); }
}

/* Improved card hover effect */
.auction-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 2px solid transparent;
    transition: border-color var(--transition-fast);
    pointer-events: none;
}

.auction-card:hover::after {
    border-color: var(--primary-300);
}

[data-theme="dark"] .auction-card:hover::after {
    border-color: var(--primary-600);
}

/* Smooth page transitions */
#app {
    animation: pageLoad 0.5s ease;
}

@keyframes pageLoad {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Enhanced shadow on scroll for header */
header.scrolled {
    box-shadow: var(--shadow-lg);
}

/* Badge animations */
.card-badge {
    animation: badge-pop 0.3s ease;
}

@keyframes badge-pop {
    0% { transform: scale(0); opacity: 0; }
    80% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

/* Price highlight animation */
.price-value {
    position: relative;
    display: inline-block;
}

.price-value.updated {
    animation: price-update 0.5s ease;
}

@keyframes price-update {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); color: var(--success); }
    100% { transform: scale(1); }
}

/* Smooth section transitions */
.auctions-section {
    animation: section-fade 0.4s ease;
}

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

/* Photo Viewer Modal */
.photo-viewer-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    touch-action: pan-x pan-y pinch-zoom;
}

.photo-viewer-modal.active {
    display: flex;
}

.photo-viewer-close {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.7);
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    color: white;
    font-size: 28px;
    cursor: pointer;
    z-index: 10002;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: all 0.2s ease;
}

.photo-viewer-close:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.photo-viewer-close:active {
    transform: scale(0.95);
}

.photo-viewer-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.photo-viewer-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    user-select: none;
    transition: transform 0.1s ease-out;
    cursor: grab;
}

.photo-viewer-image:active {
    cursor: grabbing;
}

.photo-viewer-image:active {
    cursor: grabbing;
}

/* Make auction detail images clickable */
.auction-detail-image-container:not(.credit-auction-detail-image) {
    cursor: pointer;
    position: relative;
}

.auction-detail-image-container:not(.credit-auction-detail-image)::after {
    content: '🔍';
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 6px 10px;
    border-radius: 20px;
    font-size: 14px;
    opacity: 0.8;
    pointer-events: none;
}

.auction-detail-image-container:not(.credit-auction-detail-image):hover::after {
    opacity: 1;
}

/* ============================================
   REGISTRATION MODAL STYLES
   ============================================ */

.registration-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
    box-sizing: border-box;
}

.registration-modal {
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.registration-header {
    text-align: center;
    padding: var(--space-8) var(--space-6) var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
}

.registration-logo {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
}

.registration-header h2 {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--text-2xl);
    color: var(--text-primary);
}

.registration-header p {
    margin: 0;
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.registration-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-6);
}

.registration-option {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: left;
}

.registration-option:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
    transform: translateX(4px);
}

.registration-option:active {
    transform: scale(0.98);
}

.registration-option.telegram-option:hover {
    border-color: #2481cc;
    background: rgba(36, 129, 204, 0.1);
}

.option-icon {
    font-size: 28px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.option-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.option-title {
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    font-size: var(--text-base);
}

.option-desc {
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

.option-arrow {
    font-size: 20px;
    color: var(--text-tertiary);
    transition: transform var(--transition-fast);
}

.registration-option:hover .option-arrow {
    transform: translateX(4px);
    color: var(--primary-500);
}

.registration-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-6);
}

.back-button {
    align-self: flex-start;
    background: none;
    border: none;
    color: var(--primary-600);
    font-size: var(--text-sm);
    cursor: pointer;
    padding: var(--space-2) 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.back-button:hover {
    color: var(--primary-700);
}

.registration-form h3 {
    margin: 0;
    font-size: var(--text-xl);
    color: var(--text-primary);
}

.registration-input {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--border-default);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    box-sizing: border-box;
}

.registration-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

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

.verification-input {
    text-align: center;
    font-size: var(--text-2xl);
    letter-spacing: 8px;
    font-weight: var(--font-bold);
}

.registration-submit {
    width: 100%;
    padding: var(--space-4);
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
}

.registration-submit:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.registration-submit:active {
    transform: translateY(0);
}

.registration-note {
    text-align: center;
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin: 0;
}

.verification-info {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin: 0;
}

.resend-code-btn {
    background: none;
    border: none;
    color: var(--primary-600);
    font-size: var(--text-sm);
    cursor: pointer;
    text-decoration: underline;
    padding: var(--space-2);
}

.resend-code-btn:hover {
    color: var(--primary-700);
}

.registration-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.registration-footer p {
    margin: 0;
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

/* Dark mode adjustments */
[data-theme="dark"] .registration-option {
    background: var(--slate-800);
}

[data-theme="dark"] .registration-option:hover {
    background: var(--slate-700);
}

[data-theme="dark"] .option-icon {
    background: var(--slate-700);
}