:root { --primary: #2d5a8e; --primary-dark: #1a3a5c; --primary-light: #3d7bc9; --secondary: #27ae60; --danger: #e74c3c; --warning: #f39c12; --info: #3498db; --dark: #1a1a2e; --gray-100: #f8f9fa; --gray-200: #e9ecef; --gray-300: #dee2e6; --gray-400: #ced4da; --gray-500: #adb5bd; --gray-600: #6c757d; --gray-700: #495057; --gray-800: #343a40; --sidebar-width: 250px; --header-height: 60px; --radius: 10px; --shadow: 0 2px 12px rgba(0,0,0,0.06); --shadow-lg: 0 8px 30px rgba(0,0,0,0.12); transition: all 0.3s; }
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--gray-100); color: var(--gray-800); font-size: 14px; line-height: 1.5; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-light); }

/* App Layout */
.app-container { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar-width); background: var(--dark); color: #fff; display: flex; flex-direction: column; position: fixed; top: 0; left: 0; height: 100vh; z-index: 100; }
.sidebar-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.logo { font-size: 22px; font-weight: 800; }
.logo i { color: var(--secondary); margin-right: 8px; }
.sidebar-toggle { background: none; border: none; color: rgba(255,255,255,0.4); font-size: 20px; cursor: pointer; display: none; }
.sidebar-clinic { padding: 12px 20px; font-size: 12px; color: rgba(255,255,255,0.5); border-bottom: 1px solid rgba(255,255,255,0.06); display: flex; align-items: center; gap: 8px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 0; }
.nav-section { margin-bottom: 4px; }
.nav-section-title { display: block; padding: 8px 20px 4px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: rgba(255,255,255,0.3); }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 20px; color: rgba(255,255,255,0.65); text-decoration: none; font-size: 13px; transition: all 0.2s; border-left: 3px solid transparent; }
.nav-item:hover { background: rgba(255,255,255,0.06); color: #fff; }
.nav-item.active { background: rgba(45,90,142,0.3); color: #fff; border-left-color: var(--primary-light); }
.nav-item i { width: 18px; text-align: center; font-size: 14px; }
.nav-badge { margin-left: auto; background: var(--danger); color: #fff; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 10px; min-width: 20px; text-align: center; }
.nav-badge.danger { background: var(--danger); }
.sidebar-footer { border-top: 1px solid rgba(255,255,255,0.06); padding: 12px 16px; }
.user-info { display: flex; align-items: center; gap: 10px; }
.user-avatar { font-size: 28px; color: rgba(255,255,255,0.3); }
.user-details { flex: 1; min-width: 0; }
.user-name { display: block; font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { display: block; font-size: 11px; color: rgba(255,255,255,0.4); }
.logout-btn { color: rgba(255,255,255,0.4); font-size: 16px; transition: color 0.2s; }
.logout-btn:hover { color: var(--danger); }

/* Main Content */
.main-content { flex: 1; margin-left: var(--sidebar-width); }
.topbar { height: var(--header-height); display: flex; align-items: center; gap: 16px; padding: 0 24px; background: #fff; border-bottom: 1px solid var(--gray-200); position: sticky; top: 0; z-index: 50; }
.menu-btn { background: none; border: none; font-size: 20px; color: var(--gray-600); cursor: pointer; display: none; }
.topbar-search { display: flex; align-items: center; gap: 8px; background: var(--gray-100); padding: 8px 14px; border-radius: 8px; flex: 1; max-width: 400px; }
.topbar-search input { border: none; background: none; outline: none; font-size: 13px; width: 100%; }
.topbar-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.topbar-item { position: relative; cursor: pointer; color: var(--gray-600); font-size: 18px; }
.topbar-item .badge { position: absolute; top: -6px; right: -6px; background: var(--danger); color: #fff; font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 8px; min-width: 16px; text-align: center; }
.content-wrapper { padding: 24px; }

/* Page Header */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.page-header h1 { font-size: 22px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.page-header h1 i { color: var(--primary); }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Cards */
.card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--gray-200); margin-bottom: 16px; }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--gray-200); }
.card-header h3 { font-size: 15px; display: flex; align-items: center; gap: 8px; }
.card-body { padding: 20px; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { display: flex; align-items: center; gap: 16px; padding: 20px; }
.stat-icon { width: 50px; height: 50px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.stat-icon.blue { background: #e8f4fd; color: #2196f3; }
.stat-icon.green { background: #e8f5e9; color: #4caf50; }
.stat-icon.orange { background: #fff3e0; color: #ff9800; }
.stat-icon.red { background: #fbe9e7; color: #f44336; }
.stat-value { font-size: 28px; font-weight: 700; line-height: 1.2; }
.stat-label { font-size: 13px; color: var(--gray-600); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* Tables */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { padding: 12px 16px; text-align: left; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--gray-600); background: var(--gray-100); border-bottom: 2px solid var(--gray-200); white-space: nowrap; }
td { padding: 10px 16px; border-bottom: 1px solid var(--gray-200); font-size: 13px; }
tbody tr:hover { background: var(--gray-100); }

/* Badge Status */
.badge-status { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.badge-status.onaylandi, .badge-status.tamamlandi, .badge-status.aktif, .badge-status.basarili, .badge-status.odendi { background: #d4edda; color: #155724; }
.badge-status.bekliyor, .badge-status.kısmi, .badge-status.bekliyor { background: #fff3cd; color: #856404; }
.badge-status.iptal, .badge-status.red, .badge-status.basarisiz, .badge-status.gelmedi { background: #f8d7da; color: #721c24; }
.badge-status.onayli { background: #cce5ff; color: #004085; }

/* Modal */
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 1000; align-items: center; justify-content: center; }
.modal.active { display: flex; }
.modal-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); }
.modal-content { position: relative; background: #fff; border-radius: var(--radius); width: 90%; max-width: 600px; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); animation: modalIn 0.2s ease; }
.modal-lg { max-width: 800px; }
.modal-xl { max-width: 1000px; }
@keyframes modalIn { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; border-bottom: 1px solid var(--gray-200); position: sticky; top: 0; background: #fff; z-index: 1; border-radius: var(--radius) var(--radius) 0 0; }
.modal-header h2 { font-size: 17px; }
.modal-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--gray-500); transition: color 0.2s; }
.modal-close:hover { color: var(--danger); }
.modal-body { padding: 20px 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--gray-200); display: flex; justify-content: flex-end; gap: 8px; }

/* Form */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 500; color: var(--gray-700); }
.form-control { width: 100%; padding: 9px 14px; border: 1.5px solid var(--gray-300); border-radius: 8px; font-size: 13px; transition: all 0.3s; background: #fff; }
.form-control:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(45,90,142,0.12); }
select.form-control { appearance: auto; }
textarea.form-control { resize: vertical; min-height: 60px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 18px; border-radius: 8px; font-size: 13px; font-weight: 500; border: none; cursor: pointer; transition: all 0.3s; text-decoration: none; line-height: 1.4; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); }
.btn-secondary { background: var(--gray-200); color: var(--gray-700); }
.btn-secondary:hover { background: var(--gray-300); }
.btn-success { background: var(--secondary); color: #fff; }
.btn-success:hover { background: #219a52; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #c0392b; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-info { background: var(--info); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }

/* Alerts */
.alert { padding: 10px 16px; border-radius: 8px; font-size: 13px; margin-bottom: 12px; }
.alert-info { background: #e8f4fd; color: #0c5460; }
.alert-success { background: #d4edda; color: #155724; }
.alert-danger { background: #f8d7da; color: #721c24; }
.alert-warning { background: #fff3cd; color: #856404; }

/* Loading */
.loading { display: flex; align-items: center; justify-content: center; padding: 48px; }
.spinner { width: 36px; height: 36px; border: 3px solid var(--gray-200); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state { text-align: center; padding: 48px 24px; color: var(--gray-500); }
.empty-state i { font-size: 44px; margin-bottom: 12px; color: var(--gray-300); }
.empty-state h3 { font-size: 16px; margin-bottom: 6px; }
.empty-state p { font-size: 13px; }

/* Search Result Items */
.search-result-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; cursor: pointer; border-bottom: 1px solid var(--gray-200); transition: background 0.2s; }
.search-result-item:hover { background: var(--gray-100); }
.search-result-item:last-child { border-bottom: none; }
.search-result-item i { color: var(--gray-400); font-size: 18px; }

/* Chart container */
.chart-container { position: relative; height: 250px; }

/* Login page */
.login-page { min-height: 100vh; background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%); display: flex; align-items: center; justify-content: center; }
.login-box { background: #fff; border-radius: 16px; padding: 40px; width: 400px; max-width: 90vw; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo h1 { font-size: 28px; font-weight: 800; }
.login-logo h1 span { color: var(--secondary); }
.login-logo p { color: var(--gray-500); font-size: 13px; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); width: 260px; }
    .sidebar.open { transform: translateX(0); }
    .sidebar-toggle { display: block; }
    .menu-btn { display: block; }
    .main-content { margin-left: 0; }
    .grid-2 { grid-template-columns: 1fr; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .topbar-search { max-width: none; }
    .content-wrapper { padding: 16px; }
}

/* Flatpickr dark fix */
.flatpickr-calendar { z-index: 9999 !important; }