/* Video Başvuru - Yönetim Paneli Teması */
:root {
    --admin-sidebar-bg: #0f172a;
    --admin-sidebar-text: #94a3b8;
    --admin-sidebar-text-active: #f8fafc;
    --admin-sidebar-hover: rgba(255,255,255,0.06);
    --admin-primary: #2563eb;
    --admin-primary-hover: #1d4ed8;
    --admin-bg: #f1f5f9;
    --admin-card-bg: #ffffff;
    --admin-card-shadow: 0 1px 3px rgba(0,0,0,0.06);
    --admin-card-radius: 12px;
    --admin-border: #e2e8f0;
    --admin-heading: #0f172a;
    --admin-text: #475569;
    --admin-success: #059669;
    --admin-warning: #d97706;
    --admin-danger: #dc2626;
    --admin-sidebar-width: 260px;
}

* { box-sizing: border-box; }

body.admin-panel {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    min-height: 100vh;
    margin: 0;
}

/* Sidebar */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: var(--admin-sidebar-width);
    background: var(--admin-sidebar-bg);
    color: var(--admin-sidebar-text);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition: transform 0.2s ease, width 0.2s ease;
}

.admin-sidebar-brand {
    padding: 1.25rem 1.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--admin-sidebar-text-active);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    white-space: nowrap;
}

.admin-sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    overflow-y: auto;
}

.admin-sidebar-nav .nav-link {
    color: var(--admin-sidebar-text);
    padding: 0.65rem 1rem;
    border-radius: 8px;
    margin-bottom: 2px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: background 0.15s, color 0.15s;
}

.admin-sidebar-nav .nav-link:hover {
    background: var(--admin-sidebar-hover);
    color: var(--admin-sidebar-text-active);
}

.admin-sidebar-nav .nav-link.active {
    background: var(--admin-primary);
    color: #fff;
}

.admin-sidebar-footer {
    padding: 1rem 1rem 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.admin-sidebar-footer .btn-logout {
    width: 100%;
    padding: 0.6rem 1rem;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.15);
    color: var(--admin-sidebar-text);
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.admin-sidebar-footer .btn-logout:hover {
    background: rgba(220, 38, 38, 0.2);
    color: #fca5a5;
    border-color: rgba(220, 38, 38, 0.3);
}

.admin-sidebar-footer-link {
    display: block;
    text-align: center;
    color: var(--admin-sidebar-text);
    padding: 0.5rem 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}

.admin-sidebar-footer-link:hover {
    background: var(--admin-sidebar-hover);
    color: var(--admin-sidebar-text-active);
}

/* Main content */
.admin-main {
    flex: 1;
    margin-left: var(--admin-sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.admin-topbar {
    background: var(--admin-card-bg);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--admin-border);
    box-shadow: var(--admin-card-shadow);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-topbar h1 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--admin-heading);
    margin: 0;
}

.admin-content {
    padding: 1.5rem;
    flex: 1;
}

/* Page header in content */
.admin-page-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.admin-page-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--admin-heading);
    margin: 0;
}

/* Cards */
.admin-card {
    background: var(--admin-card-bg);
    border-radius: var(--admin-card-radius);
    box-shadow: var(--admin-card-shadow);
    border: 1px solid var(--admin-border);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.admin-card-header {
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--admin-heading);
    background: #f8fafc;
    border-bottom: 1px solid var(--admin-border);
}

.admin-card-body {
    padding: 1.25rem;
}

/* Stat cards (dashboard) */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.admin-stat-card {
    background: var(--admin-card-bg);
    border-radius: var(--admin-card-radius);
    padding: 1.25rem;
    box-shadow: var(--admin-card-shadow);
    border: 1px solid var(--admin-border);
    transition: box-shadow 0.2s, transform 0.2s;
}

.admin-stat-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.admin-stat-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
}

.admin-stat-card-link:hover {
    color: inherit;
}

.admin-stat-card .value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--admin-primary);
    line-height: 1.2;
}

.admin-stat-card .label {
    font-size: 0.85rem;
    color: var(--admin-text);
    margin-top: 0.25rem;
}

/* Tables */
.admin-table-wrap {
    background: var(--admin-card-bg);
    border-radius: var(--admin-card-radius);
    box-shadow: var(--admin-card-shadow);
    border: 1px solid var(--admin-border);
    overflow: hidden;
}

.admin-table {
    width: 100%;
    margin: 0;
    border-collapse: collapse;
}

.admin-table th {
    background: #f8fafc;
    padding: 0.85rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--admin-heading);
    border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--admin-border);
    font-size: 0.9rem;
    vertical-align: middle;
}

.admin-table tbody tr:hover {
    background: #f8fafc;
}

.admin-table tbody tr:last-child td {
    border-bottom: none;
}

/* Buttons */
.btn-admin-primary {
    background: var(--admin-primary);
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.2s, transform 0.15s;
}

.btn-admin-primary:hover {
    background: var(--admin-primary-hover);
    color: #fff;
    transform: translateY(-1px);
}

.btn-admin-success {
    background: var(--admin-success);
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.btn-admin-success:hover { color: #fff; background: #047857; }

.btn-admin-outline {
    border: 1px solid var(--admin-border);
    color: var(--admin-text);
    background: #fff;
    padding: 0.45rem 0.9rem;
    border-radius: 8px;
    font-size: 0.875rem;
}

.btn-admin-outline:hover {
    background: #f8fafc;
    border-color: var(--admin-primary);
    color: var(--admin-primary);
}

.btn-admin-sm { padding: 0.35rem 0.7rem; font-size: 0.8rem; }

/* Forms */
.admin-content .form-label {
    font-weight: 500;
    color: var(--admin-heading);
    font-size: 0.9rem;
}

.admin-content .form-control,
.admin-content .form-select {
    border-radius: 8px;
    border-color: var(--admin-border);
    padding: 0.55rem 0.85rem;
}

.admin-content .form-control:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Alerts */
.admin-alert {
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.admin-alert-success {
    background: #ecfdf5;
    color: #065f46;
    border-color: #a7f3d0;
}

.admin-alert-danger {
    background: #fef2f2;
    color: #991b1b;
    border-color: #fecaca;
}

.admin-alert-info {
    background: #eff6ff;
    color: #1e40af;
    border-color: #bfdbfe;
}

/* Badges */
.admin-badge {
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.admin-badge-success { background: #d1fae5; color: #065f46; }
.admin-badge-warning { background: #fef3c7; color: #92400e; }
.admin-badge-secondary { background: #e2e8f0; color: #475569; }
.admin-badge-info { background: #dbeafe; color: #1e40af; }

/* Mobile sidebar toggle */
.admin-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 999;
}

@media (max-width: 991.98px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    .admin-sidebar.open {
        transform: translateX(0);
    }
    .admin-main {
        margin-left: 0;
    }
    .admin-sidebar-overlay.show { display: block; }
}

/* Login layout */
body.admin-login {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    padding: 1rem;
}

.admin-login-card {
    width: 100%;
    max-width: 400px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
    overflow: hidden;
}

.admin-login-card .card-header {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    padding: 1.5rem;
    font-weight: 700;
    font-size: 1.15rem;
    border: none;
}

.admin-login-card .card-body {
    padding: 1.75rem;
}

.admin-login-card .form-control {
    border-radius: 8px;
    padding: 0.65rem 1rem;
    border-color: #e2e8f0;
}

.admin-login-card .form-control:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.admin-login-card .btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border: none;
    padding: 0.65rem;
    font-weight: 600;
    border-radius: 8px;
}

.admin-login-card .btn-primary:hover {
    opacity: 0.95;
    transform: translateY(-1px);
}

.admin-login-logo {
    text-align: center;
    color: #fff;
    font-size: 1rem;
    opacity: 0.9;
    margin-top: 0.5rem;
}