:root {
    --primary-color: #ff3366;
    --primary-hover: #e62e5c;
    --secondary-color: #333;
    --bg-color: #f4f7f6;
    --card-bg: #ffffff;
    --text-color: #333;
    --text-muted: #777;
    --border-color: #eaeaea;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --border-radius: 12px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}
.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(255, 51, 102, 0.3);
}
.btn-danger {
    background-color: var(--danger-color);
    color: #fff;
}
.btn-danger:hover {
    background-color: #c82333;
}
.btn-secondary {
    background-color: #6c757d;
    color: #fff;
}
.btn-secondary:hover {
    background-color: #5a6268;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 51, 102, 0.1);
}

/* Password Toggle Eye */
.password-wrapper {
    position: relative;
}
.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.2rem;
    background: none;
    border: none;
}
.password-toggle:hover {
    color: var(--primary-color);
}

/* Header & Nav */
header {
    background: var(--card-bg);
    padding: 20px 0;
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}
.nav-links a {
    margin-left: 20px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}
.nav-links a:hover {
    color: var(--primary-color);
}

/* Login Box */
.login-box {
    max-width: 400px;
    margin: 100px auto;
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}
.product-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}
.product-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}
.product-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}
.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}
.product-meta {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    flex-grow: 1;
}
.product-card .btn {
    width: 100%;
    text-align: center;
}

/* Table Styles for Admin Dashboard */
.table-responsive {
    overflow-x: auto;
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
}
.admin-table th, .admin-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.admin-table th {
    background-color: #f8f9fa;
    font-weight: 600;
}
.admin-table tr:last-child td {
    border-bottom: none;
}
.admin-table tr:hover {
    background-color: rgba(0,0,0,0.01);
}
.action-links a {
    margin-right: 10px;
    text-decoration: none;
    font-size: 0.9rem;
}
.action-links a.edit { color: #007bff; }
.action-links a.delete { color: var(--danger-color); }

/* Alerts */
.alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}
.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}