/* Advertiser Dashboard Styles */
:root {
    --primary-color: #dc3545;
    --primary-hover: #c82333;
    --secondary-color: #28a745;
    --secondary-hover: #218838;
    --dark-color: #333;
    --light-color: #f8f9fa;
    --border-color: #ddd;
    --text-muted: #6c757d;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --radius: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: #f5f7fa;
    color: var(--dark-color);
    line-height: 1.6;
}

/* Header */
.advertiser-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px 0;
    margin-bottom: 30px;
}

.advertiser-header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.advertiser-header h1 {
    font-size: 28px;
    margin-bottom: 5px;
}

.advertiser-header p {
    opacity: 0.9;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

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

.stat-card {
    background: white;
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow);
    border-left: 4px solid;
}

.stat-card.balance {
    border-left-color: var(--secondary-color);
}

.stat-card.total-ads {
    border-left-color: #007bff;
}

.stat-card.active-ads {
    border-left-color: var(--secondary-color);
}

.stat-card.impressions {
    border-left-color: #6f42c1;
}

.stat-card.clicks {
    border-left-color: #ffc107;
}

.stat-card .stat-label {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 5px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: bold;
}

.stat-card.balance .stat-value {
    color: var(--secondary-color);
}

/* Cards */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 30px;
}

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

.card-header h2 {
    font-size: 20px;
    margin: 0;
}

.card-body {
    padding: 20px;
}

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

.table th,
.table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background-color: var(--light-color);
    font-weight: 600;
    color: var(--text-muted);
    font-size: 14px;
    text-transform: uppercase;
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

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

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

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 16px;
    transition: border-color 0.3s;
}

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

/* Auth Form */
.auth-container {
    max-width: 450px;
    margin: 50px auto;
    padding: 0 20px;
}

.auth-card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px;
}

.auth-card h1 {
    text-align: center;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.auth-card .subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 25px;
}

.auth-tab {
    flex: 1;
    padding: 12px;
    text-align: center;
    cursor: pointer;
    border: none;
    background: none;
    font-size: 16px;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s;
}

.auth-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

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

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

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state p {
    margin-bottom: 15px;
}

/* Action Bar */
.action-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

/* Price Info */
.price-info {
    background: var(--light-color);
    padding: 15px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.price-info h4 {
    margin-bottom: 10px;
    font-size: 16px;
}

/* Responsive */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-card .stat-value {
        font-size: 22px;
    }
    
    .action-bar {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}