/* Modern CSS with Light/Dark Mode */

/* Font Face - Agbalumo */
@font-face {
    font-family: 'Agbalumo';
    src: local('Agbalumo'), 
         local('Agbalumo-Regular'),
         url('https://fonts.googleapis.com/css2?family=Agbalumo&display=swap');
    font-weight: normal;
    font-style: light;
    font-display: swap;
}

/* Fallback for Agbalumo font */
.agbalumo-font {
    font-family: 'Agbalumo', 'Verdana', sans-serif;
}

:root {
    /* Light mode colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --border-color: #dee2e6;
    --accent-color: #4361ee;
    --accent-hover: #3651de;
    --success-color: #06ffa5;
    --warning-color: #ffbe0b;
    --danger-color: #fb5607;
    --info-color: #3a86ff;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.16);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #4361ee 0%, #3a86ff 100%);
    --gradient-success: linear-gradient(135deg, #06ffa5 0%, #00d084 100%);
    --gradient-warning: linear-gradient(135deg, #ffbe0b 0%, #fb8500 100%);
    --gradient-danger: linear-gradient(135deg, #fb5607 0%, #e63946 100%);
}

[data-theme="dark"] {
    /* Dark mode colors */
    --bg-primary: #0a0e27;
    --bg-secondary: #151932;
    --bg-card: #1e2139;
    --text-primary: #ffffff;
    --text-secondary: #b8bcc8;
    --text-muted: #6c7293;
    --border-color: #2e3650;
    --accent-color: #4361ee;
    --accent-hover: #5a7bff;
    --success-color: #06ffa5;
    --warning-color: #ffbe0b;
    --danger-color: #fb5607;
    --info-color: #3a86ff;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #4361ee 0%, #3a86ff 100%);
    --gradient-success: linear-gradient(135deg, #06ffa5 0%, #00d084 100%);
    --gradient-warning: linear-gradient(135deg, #ffbe0b 0%, #fb8500 100%);
    --gradient-danger: linear-gradient(135deg, #fb5607 0%, #e63946 100%);
}

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

html, body {
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: 'Agbalumo', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Agbalumo font for headings */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Agbalumo', 'Verdana', sans-serif;
    font-weight: 500;
}

/* Agbalumo font for special elements */
.nav-brand, .product-title, .card-title, .btn {
    font-family: 'Agbalumo', 'Verdana', sans-serif;
}

/* Agbalumo font for admin elements */
.admin-title, .dashboard-title {
    font-family: 'Agbalumo', 'Verdana', sans-serif;
    font-weight: 500;
}

/* Quantity Selector with +/- buttons */
.quantity-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-card);
}

.quantity-btn {
    background: var(--bg-secondary);
    border: none;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
    font-family: 'Agbalumo', 'Verdana', sans-serif;
    font-size: 1rem;
}

.quantity-btn:hover {
    background: var(--accent-color);
    color: white;
}

.quantity-input {
    border: none;
    width: 60px;
    height: 36px;
    text-align: center;
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: 'Agbalumo', 'Verdana', sans-serif;
    font-size: 1rem;
    outline: none;
}

.quantity-input:focus {
    background: var(--bg-primary);
}

.product-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stock-badge {
    align-self: flex-start;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--gradient-accent);
    border: none;
    border-radius: 50px;
    padding: 12px 20px;
    color: white;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.theme-toggle:active {
    transform: translateY(0);
}

/* Navigation */
.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 500;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--accent-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 0.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn::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 ease;
}

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

.btn-primary {
    background: var(--gradient-accent);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

.btn-success {
    background: var(--gradient-success);
    color: var(--bg-primary);
}

.btn-warning {
    background: var(--gradient-warning);
    color: var(--bg-primary);
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
}

.btn-outline:hover {
    background: var(--accent-color);
    color: white;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

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

/* Range inputs */
input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-accent);
    cursor: pointer;
    transition: all 0.3s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-md);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-accent);
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

.table tbody tr:hover {
    background: var(--bg-secondary);
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert-success {
    background: rgba(6, 255, 165, 0.1);
    border-left-color: var(--success-color);
    color: var(--success-color);
}

.alert-warning {
    background: rgba(255, 190, 11, 0.1);
    border-left-color: var(--warning-color);
    color: var(--warning-color);
}

.alert-danger {
    background: rgba(251, 86, 7, 0.1);
    border-left-color: var(--danger-color);
    color: var(--danger-color);
}

.alert-info {
    background: rgba(58, 134, 255, 0.1);
    border-left-color: var(--info-color);
    color: var(--info-color);
}

/* Grid */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .container {
        padding: 1rem;
    }
    
    .page-header {
        padding: 2rem 0 !important;
        margin: -1rem -1rem 1rem -1rem !important;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .theme-toggle {
        top: 2px;
        right: 10px;
        padding: 2px 6px;
        font-size: 12px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Stock Indicator Classes */
.stock-indicator {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.stock-indicator i {
    font-size: 1.5rem;
    color: white;
}

.stock-success {
    background: var(--gradient-success);
}

.stock-danger {
    background: var(--gradient-danger);
}

.stock-text-success {
    color: var(--success-color);
    font-weight: 600;
}

.stock-text-danger {
    color: var(--danger-color);
    font-weight: 600;
}

/* Loading spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Product cards */
.product-card {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-info {
    padding: 1.5rem;
}

.product-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.product-price {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

/* Status badges */
.badge {
    padding: 4px 10px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 400;
    text-transform: uppercase;
}

.badge-success {
    background: var(--gradient-success);
    color: var(--bg-primary);
}

.badge-warning {
    background: var(--gradient-warning);
    color: var(--bg-primary);
}

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

.badge-info {
    background: var(--gradient-accent);
    color: white;
}