:root {
    --color-blue: #1a73e8;
    --color-blue-dark: #1557b0;
    --color-blue-light: #e8f0fe;
    --color-gray: #5f6368;
    --color-gray-light: #f8f9fa;
    --color-gray-100: #f1f3f4;
    --color-gray-200: #e8eaed;
    --color-gray-300: #dadce0;
    --color-gray-400: #bdc1c6;
    --color-gray-700: #3c4043;
    --color-gray-800: #202124;
    --color-gray-900: #111;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --border-color: #dadce0;
    --card-bg: #ffffff;
}

[data-theme="dark"] {
    --color-blue: #8ab4f8;
    --color-blue-dark: #aecbfa;
    --color-blue-light: #1a2744;
    --color-gray: #9aa0a6;
    --color-gray-light: #1e1e1e;
    --color-gray-100: #2d2d2d;
    --color-gray-200: #4a4a4a;
    --color-gray-300: #6e6e6e;
    --color-gray-400: #80868b;
    --color-gray-700: #bdc1c6;
    --color-gray-800: #e8eaed;
    --color-gray-900: #f1f3f4;
    --bg-primary: #1e1e1e;
    --bg-secondary: #2d2d2d;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --border-color: #555;
    --card-bg: #2d2d2d;
}

body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
}

.card, .list-group-item, .modal-content {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.navbar-dark {
    background-color: #202124 !important;
}

[data-theme="dark"] .deal-card,
[data-theme="dark"] .card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .text-dark { color: #e8eaed !important; }
[data-theme="dark"] .text-muted { color: #9aa0a6 !important; }
[data-theme="dark"] .bg-light { background-color: #3a3a3a !important; }
[data-theme="dark"] .list-group-item { background-color: var(--card-bg); border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .list-group-item-action:hover,
[data-theme="dark"] .list-group-item-action:focus {
    background-color: #3a3a3a;
    color: var(--text-primary);
}
[data-theme="dark"] .list-group-item.active { background-color: var(--color-blue); border-color: var(--color-blue); color: #fff; }
[data-theme="dark"] .deal-card,
[data-theme="dark"] .coupon-card { background-color: var(--card-bg) !important; }
[data-theme="dark"] mark { background-color: #664d03; color: #ffda6a; }
[data-theme="dark"] .table-light {
    --bs-table-bg: #3a3a3a;
    --bs-table-color: var(--text-primary);
}
[data-theme="dark"] .table-warning {
    --bs-table-bg: #332701;
    --bs-table-color: #ffda6a;
}
[data-theme="dark"] .table-secondary {
    --bs-table-bg: #2d2d2d;
    --bs-table-color: var(--text-primary);
}
[data-theme="dark"] .card-header { background-color: #3a3a3a; border-color: var(--border-color); color: var(--text-primary); }
[data-theme="dark"] .breadcrumb { background-color: #3a3a3a; }
[data-theme="dark"] .page-link { background-color: #3a3a3a; border-color: #555; color: var(--color-blue); }
[data-theme="dark"] .page-item.disabled .page-link { background-color: #2d2d2d; border-color: #444; color: #777; }
[data-theme="dark"] .badge.bg-secondary { background-color: #555 !important; }
[data-theme="dark"] .badge.bg-info { background-color: #1a5276 !important; }
[data-theme="dark"] .alert-info { background-color: #1a2744; border-color: #2d4a7a; color: #8ab4f8; }

[data-theme="dark"] .store-header { background: linear-gradient(135deg, #1a73e8, #1557b0); }

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
    background-color: #3c3c3c;
    border-color: #5f6368;
    color: #e8eaed;
}

[data-theme="dark"] .form-control::placeholder,
[data-theme="dark"] .form-control::placeholder {
    color: #9aa0a6;
}

[data-theme="dark"] textarea.form-control::placeholder,
[data-theme="dark"] input::placeholder {
    color: #9aa0a6;
}

[data-theme="dark"] .table {
    color: var(--text-primary);
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .text-muted {
    color: #9aa0a6 !important;
}

[data-theme="dark"] .bg-light {
    background-color: #2d2d2d !important;
}

[data-theme="dark"] .alert-info {
    background-color: #1a2744;
    border-color: #2d4a7a;
    color: #8ab4f8;
}

/* Mobile bottom nav */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #202124;
    border-top: 1px solid #3c3c3c;
    z-index: 1000;
    padding: 0.5rem 0;
    padding-bottom: env(safe-area-inset-bottom, 0.5rem);
}

.mobile-bottom-nav .nav-link {
    color: #9aa0a6;
    font-size: 0.7rem;
    text-align: center;
    padding: 0.25rem;
    text-decoration: none;
}

.mobile-bottom-nav .nav-link.active,
.mobile-bottom-nav .nav-link:hover {
    color: var(--color-blue);
}

.mobile-bottom-nav .nav-link i {
    font-size: 1.25rem;
    display: block;
}

@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: flex;
        justify-content: space-around;
    }
    body {
        padding-bottom: 70px;
    }
    .site-navbar .navbar-brand img {
        height: 32px;
    }
}

/* Dark mode toggle */
.dark-toggle {
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background: none;
    border: 1px solid rgba(255,255,255,0.3);
    color: rgba(255,255,255,0.8);
    font-size: 1rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.dark-toggle:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}