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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

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

/* Navbar */
.navbar {
    background: #2c3e50;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
    width: 100%;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: #3498db;
}

/* Main Content */
.main-content {
    padding: 2rem 0;
    min-height: calc(100vh - 180px);
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
}

/* Alert Messages */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    border-left: 4px solid;
}

.alert-success {
    background: #d4edda;
    border-color: #28a745;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    border-color: #ffc107;
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    border-color: #17a2b8;
    color: #0c5460;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 1rem;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
}

.btn-secondary {
    background: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.btn-success {
    background: #27ae60;
    color: white;
}

.btn-success:hover {
    background: #229954;
}

.btn-danger {
    background: #e74c3c;
    color: white;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-info {
    background: #3498db;
    color: white;
}

.btn-info:hover {
    background: #2980b9;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 0.8rem 1.6rem;
    font-size: 1.1rem;
}

.button-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: #3498db;
}

.form-group small {
    display: block;
    margin-top: 0.3rem;
    color: #666;
    font-size: 0.875rem;
}

.form-section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.form-section h3 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
}

/* Tables */
.table {
    width: 100%;
    background: white;
    border-collapse: collapse;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.table thead {
    background: #34495e;
    color: white;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
}

.table tbody tr:nth-child(even) {
    background: #f8f9fa;
}

.table tbody tr:hover {
    background: #e9ecef;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
}

.badge-lg {
    font-size: 1.2rem;
    padding: 0.5rem 1rem;
}

.badge-sms {
    background: #3498db;
    color: white;
}

.badge-email {
    background: #9b59b6;
    color: white;
}

.badge-whatsapp {
    background: #27ae60;
    color: white;
}

.badge-all {
    background: #34495e;
    color: white;
}

.badge-status-draft {
    background: #95a5a6;
    color: white;
}

.badge-status-scheduled {
    background: #f39c12;
    color: white;
}

.badge-status-processing {
    background: #3498db;
    color: white;
}

.badge-status-completed {
    background: #27ae60;
    color: white;
}

.badge-status-failed {
    background: #e74c3c;
    color: white;
}

.badge-log-pending {
    background: #f39c12;
    color: white;
}

.badge-log-sent {
    background: #27ae60;
    color: white;
}

.badge-log-failed {
    background: #e74c3c;
    color: white;
}

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

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-card h3 {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: #2c3e50;
}

.stat-details p {
    margin: 0.5rem 0;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #ddd;
}

.page-header h1 {
    color: #2c3e50;
}

.header-actions {
    display: flex;
    gap: 1rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: 8px;
}

.empty-state p {
    margin-bottom: 1rem;
    color: #7f8c8d;
}

/* Progress Bar */
.progress {
    width: 100%;
    height: 20px;
    background: #ecf0f1;
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: #27ae60;
    transition: width 0.3s;
}

.progress-text {
    display: inline-block;
    margin-top: 0.3rem;
    font-weight: 600;
}

/* Campaign Info Grid */
.info-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.campaign-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

/* Detail List */
.campaign-details,
.recipients-section,
.logs-section,
.logs-table-section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.detail-list {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1rem;
}

.detail-list dt {
    font-weight: 600;
    color: #7f8c8d;
}

.detail-list dd {
    color: #2c3e50;
}

/* Template Preview */
.template-preview {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.template-preview h3 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.template-preview pre {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    overflow-x: auto;
}

.html-preview {
    border: 1px solid #ddd;
    padding: 1rem;
    border-radius: 4px;
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tab-btn {
    padding: 0.6rem 1.2rem;
    border: 1px solid #ddd;
    background: white;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
}

.tab-btn:hover {
    background: #f8f9fa;
}

.tab-btn.active {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

/* Text Colors */
.text-success {
    color: #27ae60;
}

.text-danger {
    color: #e74c3c;
}

.text-warning {
    color: #f39c12;
}

.error-text {
    color: #e74c3c;
    font-size: 0.875rem;
}

/* No Data */
.no-data {
    text-align: center;
    padding: 2rem;
    color: #7f8c8d;
    font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .header-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .detail-list {
        grid-template-columns: 1fr;
    }
}