:root{--bg: #f5f7fb;--surface: #ffffff;--border: #e5e9f0;--text: #1e293b;--muted: #64748b;--primary: #0d9488;--primary-dark: #0f766e;--primary-light: #ccfbf1;--danger: #dc2626;--warning: #f59e0b;--success: #16a34a;--info: #2563eb;--shadow: 0 1px 3px rgba(0,0,0,.05), 0 1px 2px rgba(0,0,0,.06);--radius: 10px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:inherit}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0d9488,#0f766e);padding:20px}.login-card{background:#fff;padding:40px;border-radius:16px;box-shadow:0 20px 60px #0003;width:100%;max-width:420px}.login-card h1{font-size:24px;margin-bottom:8px;color:var(--primary-dark)}.login-card .subtitle{color:var(--muted);margin-bottom:28px;font-size:13px}.login-demo{margin-top:20px;padding:14px;background:var(--primary-light);border-radius:8px;font-size:12px;color:var(--primary-dark)}.login-demo code{background:#fff;padding:2px 6px;border-radius:4px;font-family:Monaco,monospace}.layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:#fff;border-right:1px solid var(--border);padding:24px 16px;display:flex;flex-direction:column}.sidebar-brand{font-size:18px;font-weight:700;color:var(--primary-dark);padding:0 12px 24px;border-bottom:1px solid var(--border);margin-bottom:16px}.sidebar-brand small{display:block;font-size:11px;font-weight:400;color:var(--muted);margin-top:2px}.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:2px}.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--text);text-decoration:none;transition:all .15s;font-weight:500}.sidebar-nav a:hover{background:var(--bg)}.sidebar-nav a.active{background:var(--primary-light);color:var(--primary-dark)}.sidebar-user{padding:14px 12px;border-top:1px solid var(--border);font-size:12px}.sidebar-user .name{font-weight:600}.sidebar-user .role{color:var(--muted);margin-top:2px;text-transform:capitalize}.btn-logout{margin-top:10px;width:100%;padding:8px;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--danger);font-weight:500}.btn-logout:hover{background:#fee2e2}.main{padding:28px 32px;max-width:1400px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-title{font-size:22px;font-weight:700}.page-subtitle{color:var(--muted);font-size:13px;margin-top:4px}.btn{padding:9px 16px;border-radius:8px;border:1px solid transparent;font-weight:500;font-size:13px;transition:all .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:#fff;color:var(--text);border-color:var(--border)}.btn-secondary:hover{background:var(--bg)}.btn-danger{background:#fff;color:var(--danger);border-color:#fecaca}.btn-danger:hover{background:#fee2e2}.btn-success{background:var(--success);color:#fff}.btn-sm{padding:5px 10px;font-size:12px}.btn-block{width:100%}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:12px;font-weight:600;margin-bottom:6px;color:var(--text)}.form-control{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;transition:border .15s}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.card{background:#fff;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow)}.card-body{padding:20px}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);font-weight:600}.toolbar{display:flex;gap:10px;margin-bottom:16px;align-items:center;flex-wrap:wrap}.toolbar .search{flex:1;min-width:200px}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border)}.table th{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;background:var(--bg)}.table tbody tr:hover{background:#f9fafb}.table .actions{display:flex;gap:6px}.badge{display:inline-block;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:600;text-transform:uppercase}.badge-pending{background:#fef3c7;color:#92400e}.badge-accepted{background:#dbeafe;color:#1e40af}.badge-done{background:#dcfce7;color:#166534}.badge-cancelled{background:#fee2e2;color:#991b1b}.badge-admin{background:#ede9fe;color:#6b21a8}.badge-registrator{background:#fce7f3;color:#be185d}.badge-doctor{background:var(--primary-light);color:var(--primary-dark)}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:#fff;padding:20px;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow)}.stat-card .label{font-size:12px;color:var(--muted);text-transform:uppercase;font-weight:600;letter-spacing:.5px}.stat-card .value{font-size:30px;font-weight:700;margin-top:8px;color:var(--primary-dark)}.stat-card.warning .value{color:var(--warning)}.stat-card.danger .value{color:var(--danger)}.stat-card.info .value{color:var(--info)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:#fff;border-radius:12px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.modal-header h3{font-size:17px}.modal-close{background:transparent;border:none;font-size:22px;color:var(--muted);width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:6px}.modal-close:hover{background:var(--bg)}.modal-body{padding:22px}.modal-footer{padding:16px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}.empty{text-align:center;padding:60px 20px;color:var(--muted)}.loading{text-align:center;padding:40px;color:var(--muted)}@media (max-width: 768px){.layout{grid-template-columns:1fr}.sidebar{display:none}.main{padding:16px}.form-row{grid-template-columns:1fr}}