/* 🌌 Golden Galaxy - Ultra-Modern Glassmorphism Design System */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Cairo:wght@300;400;500;600;700;800&display=swap');

:root {
    --font-main: 'Outfit', 'Cairo', sans-serif;
    --bg-primary: #0a0b10;
    --bg-secondary: #12141f;
    --glass-bg: rgba(26, 29, 48, 0.65);
    --glass-border: rgba(255, 255, 255, 0.12);
    --neon-purple: #8b5cf6;
    --neon-cyan: #06b6d4;
    --neon-pink: #ec4899;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --card-bg: rgba(30, 35, 58, 0.45);
    --card-hover: rgba(45, 52, 85, 0.7);
    --shadow-glow: 0 0 25px rgba(139, 92, 246, 0.25);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-primary: #f1f5f9;
    --bg-secondary: #e2e8f0;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(0, 0, 0, 0.08);
    --neon-purple: #6d28d9;
    --neon-cyan: #0891b2;
    --neon-pink: #db2777;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --card-bg: rgba(255, 255, 255, 0.65);
    --card-hover: rgba(255, 255, 255, 0.95);
    --shadow-glow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
}

body {
    background: var(--bg-primary);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(139, 92, 246, 0.12) 0%, transparent 45%),
        radial-gradient(circle at 85% 85%, rgba(6, 182, 212, 0.1) 0%, transparent 45%);
    background-attachment: fixed;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--neon-purple);
}

/* PWA Install Banner Top */
.pwa-banner {
    background: linear-gradient(90deg, rgba(139, 92, 246, 0.85), rgba(6, 182, 212, 0.85));
    color: #fff;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.2);
    animation: slideDown 0.5s ease;
}
.pwa-banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
}
.pwa-btn {
    background: #fff;
    color: #1e1b4b;
    border: none;
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.pwa-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

/* Header & Navbar */
.main-header {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 4%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}
.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}
.logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px var(--neon-cyan));
    animation: floatIcon 4s ease-in-out infinite;
}
.logo-text {
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, var(--neon-cyan) 50%, var(--neon-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

/* Search Bar */
.search-bar-wrap {
    flex: 1;
    max-width: 550px;
    position: relative;
}
.search-input {
    width: 100%;
    padding: 12px 20px;
    padding-left: 45px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--text-main);
    font-size: 0.95rem;
    transition: var(--transition);
}
.search-input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.3);
    background: rgba(0, 0, 0, 0.4);
}
.search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}
.btn-glass {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}
.btn-glass:hover {
    background: var(--card-hover);
    border-color: var(--neon-purple);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}
.btn-neon {
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-cyan));
    color: #fff;
    border: none;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.35);
}
.btn-neon:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.5);
}

/* Tabs & Navigation Bar */
.nav-tabs-bar {
    display: flex;
    justify-content: center;
    gap: 16px;
    padding: 24px 4%;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.tab-btn {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 14px 36px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}
.tab-btn:hover {
    color: var(--text-main);
    border-color: rgba(255,255,255,0.3);
}
.tab-btn.active {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(6, 182, 212, 0.25));
    border-color: var(--neon-cyan);
    color: #fff;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
}

/* Filter Chips */
.filter-chips-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 16px 4%;
    justify-content: center;
}
.chip {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.chip:hover, .chip.active {
    background: var(--neon-purple);
    color: #fff;
    border-color: var(--neon-purple);
}

/* Main Grid & Cards */
.main-container {
    padding: 30px 4%;
    max-width: 1500px;
    margin: 0 auto;
}
.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 28px;
    margin-top: 10px;
}
.item-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    position: relative;
    backdrop-filter: blur(10px);
}
.item-card:hover {
    transform: translateY(-8px);
    border-color: var(--neon-cyan);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35), 0 0 20px rgba(6, 182, 212, 0.2);
}
.card-img-wrap {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
}
.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.item-card:hover .card-img {
    transform: scale(1.08);
}
.card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid var(--glass-border);
}
.card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.card-category {
    font-size: 0.8rem;
    color: var(--neon-cyan);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 6px;
}
.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
    line-height: 1.3;
}
.card-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.price-tag {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
}
.price-free {
    color: #10b981;
}
.price-discount-wrap {
    display: flex;
    flex-direction: column;
}
.old-price {
    font-size: 0.85rem;
    text-decoration: line-through;
    color: var(--text-muted);
}
.new-price {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--neon-pink);
}

/* Glassmorphism Auth Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(12px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}
.modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}
.modal-glass {
    background: rgba(22, 26, 46, 0.85);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 480px;
    padding: 32px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5), 0 0 35px rgba(139, 92, 246, 0.3);
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.modal-backdrop.active .modal-glass {
    transform: scale(1);
}
.modal-close {
    position: absolute;
    top: 18px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}
.modal-close:hover {
    color: #fff;
    transform: rotate(90deg);
}
.form-group {
    margin-bottom: 18px;
}
.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-main);
}
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 0.95rem;
    transition: var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--neon-purple);
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.3);
}

/* Password Strength Meter */
.pwd-strength-bar {
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    margin-top: 6px;
    overflow: hidden;
}
.pwd-strength-fill {
    height: 100%;
    width: 0%;
    transition: width 0.3s ease, background-color 0.3s ease;
}

/* Floating Suggest Improvement Button */
.floating-suggest-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 90;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: #fff;
    border: none;
    padding: 14px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(6, 182, 212, 0.4);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}
.floating-suggest-btn:hover {
    transform: scale(1.05) translateY(-3px);
    box-shadow: 0 15px 30px rgba(139, 92, 246, 0.6);
}

/* Animations */
@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Responsive Overrides for Tablets and Mobile Phones */
@media (max-width: 768px) {
    .main-header {
        flex-wrap: wrap;
        padding: 12px 4%;
        gap: 10px;
    }
    .logo-area {
        font-size: 1.2rem;
    }
    .search-bar-wrap {
        order: 3;
        width: 100%;
        max-width: 100%;
        margin-top: 8px;
    }
    .header-actions {
        flex-wrap: wrap;
        gap: 8px;
        justify-content: flex-end;
    }
    .nav-tabs-bar {
        gap: 8px;
        padding: 16px 3%;
        flex-wrap: wrap;
    }
    .tab-btn {
        padding: 10px 18px;
        font-size: 0.9rem;
        flex: 1;
        justify-content: center;
    }
    .items-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 16px;
    }
    .floating-suggest-btn {
        bottom: 16px;
        right: 16px;
        padding: 12px 18px;
        font-size: 0.85rem;
        z-index: 900;
    }
    .modal-box, .modal-glass {
        width: 95% !important;
        max-width: 95% !important;
        padding: 20px !important;
        max-height: 88vh !important;
    }
}

@media (max-width: 480px) {
    .items-grid {
        grid-template-columns: 1fr;
    }
    .main-container {
        padding: 16px 3%;
    }
    .header-actions {
        width: 100%;
        justify-content: space-between;
    }
    .btn-glass, .btn-neon {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
}