/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navigation */
.admin-nav, .member-nav {
    background-color: var(--primary-color);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-brand a {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    padding: 15px 0;
    display: block;
}

.nav-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    background: white;
    padding: 5px;
    border-radius: 5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-menu li a {
    color: white;
    text-decoration: none;
    padding: 15px 10px;
    display: block;
    transition: background-color 0.3s;
}

.nav-menu li a:hover {
    background-color: rgba(255,255,255,0.1);
}

/* Cards */
.card {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--box-shadow);
}

.card h2 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    color: white;
    padding: 25px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 5px;
}

.stat-card p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--dark-color);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,123,255,0.3);
}

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

.btn-secondary:hover {
    background-color: #545b62;
}

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

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

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

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

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

.btn-block {
    display: block;
    width: 100%;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

/* Table */
.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.table thead {
    background-color: var(--light-color);
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.table th {
    font-weight: 600;
    color: var(--dark-color);
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

.table code {
    background-color: #f8f9fa;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.alert-success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

/* Login Box */
.login-box {
    max-width: 450px;
    margin: 50px auto;
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.login-box h1 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--dark-color);
}

.logo-container {
    text-align: center;
    margin-bottom: 20px;
}

.login-logo {
    max-width: 200px;
    height: auto;
    object-fit: contain;
}

.home-logo {
    max-width: 250px;
    height: auto;
    object-fit: contain;
    margin-bottom: 20px;
}

/* Home Page */
.home-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px;
}

.hero {
    text-align: center;
    padding: 60px 20px;
}

.hero h1 {
    font-size: 3rem;
    color: var(--dark-color);
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 40px;
}

.home-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 40px auto 0;
    padding: 0 20px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

/* Product Cards (Member Dashboard) */
.product-card {
    background: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 25px;
}

.product-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.product-card p {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.button-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.product-button {
    display: block;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.product-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,123,255,0.3);
}

.welcome-section {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.welcome-section h1 {
    margin-bottom: 10px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        gap: 10px;
        font-size: 0.9rem;
    }
    
    .nav-menu li a {
        padding: 15px 5px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .home-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .home-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: 8px;
    }
    
    .login-box {
        padding: 30px 20px;
    }
    
    .button-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .nav-brand a {
        font-size: 1.2rem;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
    
    .stat-card h3 {
        font-size: 2rem;
    }
    
    .table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

/* PWA Install Button (optional) */
.install-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--success-color);
    color: white;
    padding: 15px 25px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    display: none;
    z-index: 1000;
}

.install-button:hover {
    transform: scale(1.05);
}

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

.card, .product-card {
    animation: fadeIn 0.5s ease-in-out;
}

/* Print Styles */
@media print {
    .admin-nav, .member-nav, .btn, .install-button {
        display: none;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: 10px;
    }
    
    .nav-menu li a {
        padding: 10px 8px;
        font-size: 14px;
    }
    
    .nav-brand a {
        font-size: 1.1rem;
    }
    
    .nav-logo {
        height: 32px;
    }
    
    .container {
        padding: 15px;
    }
    
    .login-box {
        padding: 25px 20px;
        margin: 10px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .promo-announcement h3 {
        font-size: 18px;
    }
    
    .promo-announcement p {
        font-size: 14px;
    }
    
    table {
        font-size: 14px;
    }
    
    .btn {
        padding: 12px 18px;
        font-size: 15px;
    }
    
    .product-card {
        padding: 15px;
    }
    
    .button-grid {
        grid-template-columns: 1fr;
    }
    
    .search-input {
        font-size: 16px;
        padding: 12px 15px;
    }
}