/**
 * Admin CSS - Fonster B2B Supplier Management Platform
 * Clean, professional styling for admin, client, and supplier portals
 */

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --light-bg: #ecf0f1;
    --border-color: #bdc3c7;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--light-bg);
}

a {
    color: var(--secondary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

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

/* Header */
.header {
    background: var(--primary-color);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.header-nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.header-nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}

.header-nav a:hover {
    text-decoration: underline;
}

/* Navigation */
.nav-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.nav-tabs a {
    padding: 0.75rem 1.5rem;
    color: var(--text-dark);
    text-decoration: none;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
}

.nav-tabs a:hover {
    background: rgba(52, 152, 219, 0.1);
}

.nav-tabs a.active {
    border-bottom-color: var(--secondary-color);
    color: var(--secondary-color);
    font-weight: 600;
}

/* Cards */
.card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
}

.card h2 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
}

.stat-card .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-card .stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

th {
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

tr:hover {
    background: rgba(52, 152, 219, 0.05);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-pending {
    background: #fff3cd;
    color: #856404;
}

.badge-active {
    background: #d4edda;
    color: #155724;
}

.badge-suspended {
    background: #f8d7da;
    color: #721c24;
}

.badge-rejected {
    background: #e2e3e5;
    color: #383d41;
}

.badge-contacted {
    background: #d1ecf1;
    color: #0c5460;
}

.badge-quoted {
    background: #d6d8db;
    color: #1b1e21;
}

.badge-accepted {
    background: #d4edda;
    color: #155724;
}

.badge-in_progress {
    background: #cce5ff;
    color: #004085;
}

.badge-completed {
    background: #d4edda;
    color: #155724;
}

.badge-cancelled {
    background: #f8d7da;
    color: #721c24;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background: #2980b9;
    text-decoration: none;
}

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

.btn-success:hover {
    background: #229954;
    text-decoration: none;
}

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

.btn-danger:hover {
    background: #c0392b;
    text-decoration: none;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
}

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

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

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
}

select.form-control {
    cursor: pointer;
}

/* Search and Filters */
.search-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.search-filters input,
.search-filters select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.search-filters input {
    flex: 1;
    min-width: 250px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-decoration: none;
}

.pagination a:hover {
    background: var(--secondary-color);
    color: white;
    text-decoration: none;
}

.pagination .active {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

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

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

.alert-warning {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    margin: 0;
}

.modal-close {
    float: right;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
}

.modal-close:hover {
    color: var(--danger-color);
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .nav-tabs {
        flex-direction: column;
        gap: 0;
    }

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

    .btn-group {
        flex-direction: column;
    }

    .search-filters {
        flex-direction: column;
    }

    .search-filters input {
        width: 100%;
    }
}