:root {
    /* Teal Theme Palette */
    --primary: #0d9488;
    /* Teal 600 - Buttons/highlights */
    --primary-dark: #115e59;
    /* Teal 800 - Hover/Darker bg */
    --primary-deep: #134e4a;
    /* Teal 900 - Top bar/Strong accents */
    --secondary: #f43f5e;
    /* Rose 500 - Secondary/Accents */

    /* Light Mode Backgrounds */
    --body-bg: #f8fafc;
    /* Slate 50 */
    --card-bg: #ffffff;
    /* White */
    --sidebar-bg: #ffffff;

    /* Text Colors */
    --text-main: #0f172a;
    /* Slate 900 */
    --text-muted: #64748b;
    /* Slate 500 */

    /* UI Elements */
    --border: #e2e8f0;
    /* Slate 200 */
    --input-bg: #f1f5f9;
    /* Slate 100 */

    /* Status Colors */
    --success: #10b981;
    /* Emerald 500 */
    --danger: #ef4444;
    /* Red 500 */
    --warning: #f59e0b;
    /* Amber 500 */

    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --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);
}

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

body {
    font-family: var(--font-main);
    background-color: var(--body-bg);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: var(--text-muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    gap: 8px;
}

.btn-primary {
    background-color: var(--primary-deep);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
    /* Red 600 */
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: #f0fdfa;
    /* Teal 50 */
}

/* Header Styles */
header {
    background: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1001;
    /* Higher than overlay (999) */
}

.top-bar {
    background-color: var(--primary-deep);
    color: white;
    padding: 8px 0;
    font-size: 0.85rem;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-actions {
    display: flex;
    gap: 20px;
    align-items: center;
}

.top-actions a:hover {
    color: #ccfbf1;
    /* Teal 100 */
}

.social-icons a {
    color: white;
    /* Ensure white color */
    margin-right: 15px;
    font-size: 1rem;
}

.social-icons a:hover {
    opacity: 0.8;
}

.main-header {
    padding: 16px 0;
    background: white;
    border-bottom: 1px solid var(--border);
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-deep);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-deep);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.9rem;
}

input,
select,
textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    background: white;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 24px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Dashboard Layout (Admin/Seller) */
.dashboard-container {
    display: flex;
    min-height: calc(100vh - 110px);
    /* Adjust based on header height */
    background: var(--body-bg);
}

.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    padding: 24px;
    flex-shrink: 0;
}

.sidebar h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.sidebar ul {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar a {
    display: block;
    padding: 10px 12px;
    border-radius: 6px;
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.95rem;
}

.sidebar a:hover {
    background: #f1f5f9;
    color: var(--primary-deep);
}

.sidebar a.active {
    background: #f0fdfa;
    /* Teal 50 */
    color: var(--primary-deep);
    font-weight: 600;
}

.main-content {
    flex: 1;
    padding: 32px;
    overflow-y: auto;
}

.main-content h2 {
    font-size: 1.8rem;
    margin-bottom: 24px;
    color: var(--text-main);
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}

/* Data Tables */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

th {
    text-align: left;
    padding: 12px 16px;
    background: #f8fafc;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-main);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: #fcfcfc;
}

/* Shop Page Styles */
.shop-layout {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    padding: 32px 0;
}

.filters {
    width: 280px;
    background: white;
    padding: 24px;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.filter-group {
    margin-bottom: 24px;
}

.filter-group h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-main);
}

.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 250px;
    overflow-y: auto;
}

.checkbox-list label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-muted);
    cursor: pointer;
}

.checkbox-list input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    margin: 0;
}

.shop-content {
    flex: 1;
}

.shop-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    background: white;
    padding: 16px 24px;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

/* Product Cards */
.product-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: #cbd5e1;
}

.product-img {
    width: 100%;
    height: 240px;
    object-fit: contain;
    /* Better for diverse images */
    padding: 20px;
    background: #f8fafc;
    border-bottom: 1px solid var(--border);
}

.product-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-main);
    line-height: 1.4;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-deep);
    margin-bottom: 16px;
}

.product-card .actions {
    margin-top: auto;
    display: flex;
    gap: 12px;
}

.product-card .btn {
    flex: 1;
    padding: 8px;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {

    /* Dashboard Mobile Adjustments */
    .dashboard-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 16px;
    }

    .sidebar ul {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 8px;
    }

    .sidebar a {
        white-space: nowrap;
    }

    /* Shop Layout Mobile */
    .shop-layout {
        flex-direction: column;
        gap: 16px;
        padding: 16px 0;
    }

    .filters {
        width: 100%;
        display: none;
        /* Hide filters on mobile for now, or add toggle */
    }

    /* Header Mobile Improvement */
    .top-bar-content {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .main-nav {
        flex-direction: row;
        /* Keep row to align Logo Left - Menu Right */
        justify-content: space-between;
        align-items: center;
        padding: 12px 0;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo svg {
        width: 32px;
        height: 32px;
    }

    /* Hide Search on Mobile */
    .search-container {
        display: none;
    }

    /* Actions: Hide buttons, keep icons */
    .nav-actions {
        display: flex;
        gap: 12px;
        align-items: center;
        margin-left: auto;
    }

    .nav-actions .btn-auth-outline,
    .nav-actions .btn-sell-filled,
    .nav-actions .btn-primary {
        display: none;
    }

    .action-icon {
        margin-left: 0;
    }

    .logo {
        font-size: 1.1rem;
    }

    .logo svg {
        width: 28px;
        height: 28px;
    }

    /* Grid Adjustments */
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .home-product-card {
        width: 160px;
        /* Smaller cards on small screens */
    }

    .home-product-img-container {
        height: 140px;
    }

    .main-content h2 {
        font-size: 1.5rem;
    }
}