body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f3f4f6;
    color: #111827;
}

.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 220px;
    background: #111827;
    color: #e5e7eb;
    padding: 16px 12px;
}

.sidebar-logo a {
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    font-size: 18px;
    display: inline-block;
    margin-bottom: 20px;
}

.sidebar-nav a {
    display: block;
    padding: 8px 10px;
    text-decoration: none;
    color: #9ca3af;
    border-radius: 6px;
    margin-bottom: 4px;
    font-size: 14px;
}

.sidebar-nav a.active,
.sidebar-nav a:hover {
    background: #1f2937;
    color: #f9fafb;
}

.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.admin-header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.admin-content {
    padding: 20px;
}

.alert {
    padding: 10px 12px;
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 14px;
}

.alert-success {
    background: #ecfdf3;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-danger {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.grid-4,
.grid-3,
.grid-2 {
    display: grid;
    gap: 16px;
}

.grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mt-24 {
    margin-top: 24px;
}

.stat-card,
.info-card,
.panel {
    background: #ffffff;
    border-radius: 10px;
    padding: 14px 16px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

.stat-card h3,
.info-card h3,
.panel-header h3 {
    margin: 0 0 4px;
    font-size: 14px;
}

.stat-value {
    font-size: 18px;
    font-weight: 600;
    margin: 4px 0 0;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table th,
.table td {
    border-bottom: 1px solid #e5e7eb;
    padding: 6px 8px;
}

.table th {
    text-align: left;
    font-weight: 600;
    background: #f9fafb;
}

.table-actions {
    display: flex;
    gap: 6px;
    align-items: center;
}

.link-small {
    font-size: 13px;
    text-decoration: none;
    color: #2563eb;
}

.link-small:hover {
    text-decoration: underline;
}

.text-danger {
    color: #b91c1c;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: #6b7280;
}

.form-group {
    margin-bottom: 10px;
    font-size: 14px;
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 3px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    border-radius: 6px;
    border: 1px solid #d1d5db;
    padding: 6px 8px;
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 1px #bfdbfe;
}

.filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 10px;
}

.filter-bar input,
.filter-bar select {
    min-width: 0;
}

.btn-primary,
.btn-outline {
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 14px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: #2563eb;
    border-color: #2563eb;
    color: #ffffff;
}

.btn-primary:hover {
    background: #1d4ed8;
}

.btn-outline {
    background: #ffffff;
    border-color: #d1d5db;
    color: #111827;
}

.btn-outline:hover {
    background: #f3f4f6;
}

.form-actions {
    margin-top: 14px;
    display: flex;
    gap: 10px;
}

.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.log-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
}

.log-list li {
    display: flex;
    gap: 8px;
    margin-bottom: 4px;
}

.log-time {
    color: #6b7280;
    min-width: 70px;
}

.log-text {
    flex: 1;
}

.kalem-row {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 8px;
}

@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .admin-sidebar {
        display: none;
    }
    .admin-header {
        position: sticky;
        top: 0;
        z-index: 10;
    }
    .grid-4,
    .grid-3,
    .grid-2,
    .kalem-row {
        grid-template-columns: 1fr;
    }
    .filter-bar {
        flex-direction: column;
    }
}