:root{font-family:Segoe UI,system-ui,-apple-system,sans-serif}body{margin:0;min-width:320px;min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #4f46e5;--primary-dark: #4338ca;--bg: #f1f5f9;--sidebar-bg: #1e293b;--sidebar-text: #cbd5e1;--sidebar-active: #4f46e5;--card-bg: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-muted: #94a3b8;--danger: #ef4444;--warning: #f59e0b;--success: #22c55e;--info: #3b82f6}body{font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#1e293b,#334155)}.login-card{background:var(--card-bg);padding:2.5rem;border-radius:12px;box-shadow:0 20px 60px #0000004d;width:100%;max-width:420px}.login-card h1{text-align:center;color:var(--primary);margin-bottom:.25rem;font-size:1.75rem}.login-logo{display:block;width:100px;height:100px;margin:0 auto 1rem;border-radius:50%;object-fit:contain;image-rendering:auto;-ms-interpolation-mode:bicubic}.login-subtitle{text-align:center;color:var(--text-muted);margin-bottom:1.5rem}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-header{padding:1.5rem;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:.75rem}.sidebar-logo{width:56px;height:56px;border-radius:50%;object-fit:contain;background:#fff;image-rendering:auto;-ms-interpolation-mode:bicubic}.sidebar-header h2{color:#fff;font-size:1.25rem}.user-badge{display:inline-block;background:var(--primary);color:#fff;padding:2px 10px;border-radius:12px;font-size:.75rem;margin-top:4px}.sidebar-nav{flex:1;padding:1rem 0;display:flex;flex-direction:column;gap:2px}.nav-link{display:flex;align-items:center;gap:12px;padding:.75rem 1.5rem;color:var(--sidebar-text);text-decoration:none;transition:all .2s;font-size:.95rem}.nav-link:hover{background:#ffffff14;color:#fff}.nav-link.active{background:var(--sidebar-active);color:#fff;border-right:3px solid #fff}.nav-icon{font-size:1.1rem;width:24px;text-align:center}.sidebar-footer{padding:1rem 1.5rem;border-top:1px solid rgba(255,255,255,.1)}.user-info{margin-bottom:.75rem;font-size:.9rem}.main-content{flex:1;margin-left:260px;padding:2rem;min-height:100vh}.page-container{max-width:1200px;margin:0 auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.page-title{font-size:1.5rem;font-weight:700;color:var(--text)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background:var(--card-bg);padding:1.5rem;border-radius:12px;box-shadow:0 1px 3px #0000001a;display:flex;align-items:center;gap:1rem}.stat-icon{font-size:2rem;width:60px;height:60px;display:flex;align-items:center;justify-content:center;background:var(--bg);border-radius:12px}.stat-info h3{font-size:1.75rem;font-weight:700;color:var(--text)}.stat-info p{font-size:.85rem;color:var(--text-muted)}.dashboard-header{margin-bottom:2rem}.dashboard-title-row{display:flex;align-items:center;gap:1rem}.dashboard-logo{width:100px;height:100px;border-radius:50%;object-fit:contain;box-shadow:0 2px 8px #0000001a;image-rendering:auto;-ms-interpolation-mode:bicubic}.dashboard-subtitle{color:var(--text-muted);font-size:.95rem;margin-top:.25rem}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem}.dashboard-card{background:var(--card-bg);border-radius:16px;padding:1.75rem;box-shadow:0 1px 4px #00000014;cursor:pointer;transition:all .25s ease;border:2px solid transparent;position:relative;overflow:hidden}.dashboard-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--card-accent, var(--primary))}.dashboard-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #0000001f;border-color:var(--card-accent, var(--primary))}.dashboard-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}.dashboard-card-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.dashboard-card-arrow{font-size:1.25rem;color:var(--text-muted);transition:transform .2s}.dashboard-card:hover .dashboard-card-arrow{transform:translate(4px);color:var(--card-accent, var(--primary))}.dashboard-card-count{font-size:2.5rem;font-weight:800;color:var(--text);line-height:1;margin-bottom:.25rem}.dashboard-card-label{font-size:1rem;font-weight:600;color:var(--text);margin-bottom:.25rem}.dashboard-card-desc{font-size:.82rem;color:var(--text-muted)}.spinner-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;gap:1rem;color:var(--text-muted);font-size:.95rem}.spinner{width:40px;height:40px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.table-container{background:var(--card-bg);border-radius:12px;box-shadow:0 1px 3px #0000001a;overflow:hidden}.data-table{width:100%;border-collapse:collapse}.data-table th{background:#f8fafc;padding:.85rem 1rem;text-align:left;font-weight:600;font-size:.85rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid var(--border)}.data-table td{padding:.85rem 1rem;border-bottom:1px solid var(--border);font-size:.9rem}.data-table tbody tr:hover{background:#f8fafc}.data-table tbody tr:last-child td{border-bottom:none}.sub-table{margin-top:.5rem;border:1px solid var(--border);border-radius:8px;overflow:hidden;table-layout:fixed;border-collapse:collapse}.sub-table th,.sub-table td{text-align:center;width:20%;padding:10px 12px;border-bottom:1px solid var(--border)}.sub-table tbody tr:last-child td{border-bottom:none}.sub-table tbody tr+tr{border-top:4px solid #f8fafc}.sub-table tbody tr{background:#fff}.sub-table th{background:#eef2ff}.registrations-sub{padding:1rem;background:#f8fafc;border-radius:8px}.registrations-sub h4{margin-bottom:.75rem;color:var(--primary)}.expanded-row td{padding:0!important;border-bottom:1px solid var(--border)}.expanded-row:hover{background:transparent!important}.expanded-row>td>div{padding:1rem}.actions-cell{display:flex;gap:6px;flex-wrap:nowrap}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;border:1.5px solid transparent;cursor:pointer;transition:all .15s ease;padding:0;background:#f1f5f9;color:#64748b}.icon-btn:hover{transform:translateY(-1px);box-shadow:0 2px 6px 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var(--primary))}@media(max-width:600px){.reg-picker-grid{grid-template-columns:1fr}}.btn-back{display:inline-flex;align-items:center;gap:4px;padding:6px 12px 6px 8px;border-radius:8px;border:1.5px solid var(--border);background:var(--card-bg);color:var(--text-muted);font-size:.82rem;font-weight:500;cursor:pointer;transition:all .2s ease;flex-shrink:0}.btn-back:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translate(-2px);box-shadow:0 2px 8px #4f46e540}.history-info-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem;margin-bottom:1.25rem;padding:1rem;background:#f8fafc;border-radius:10px;border:1px solid var(--border)}.history-info-item{display:flex;flex-direction:column;gap:.25rem}.history-info-label{font-size:.72rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.history-info-value{font-size:.9rem;font-weight:500;color:var(--text)}@media(max-width:600px){.history-info-cards{grid-template-columns:repeat(2,1fr)}}.btn-export{display:inline-flex;align-items:center;padding:.4rem .85rem;border:1.5px solid #22c55e;border-radius:8px;background:#f0fdf4;color:#166534;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s ease;flex-shrink:0}.btn-export:hover{background:#22c55e;color:#fff;box-shadow:0 2px 8px #22c55e4d}.badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:.78rem;font-weight:600}.badge-blue{background:#dbeafe;color:#1e40af}.badge-orange{background:#ffedd5;color:#c2410c}.badge-green{background:#dcfce7;color:#166534}.badge-red{background:#fee2e2;color:#b91c1c}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.6rem 1.25rem;border:none;border-radius:8px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none}.btn:hover{opacity:.9;transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:#e2e8f0;color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-success{background:#059669;color:#fff}.btn-success:hover{background:#047857}.btn-warning{background:var(--warning);color:#fff}.btn-info{background:var(--info);color:#fff}.btn-logout{background:#ef444426;color:#ef4444;width:100%}.btn-logout:hover{background:#ef444440}.btn-full{width:100%}.btn-sm{padding:.35rem .75rem;font-size:.8rem;border-radius:6px}.form-group{margin-bottom:1rem;flex:1}.form-group label{display:block;font-weight:600;font-size:.85rem;color:var(--text);margin-bottom:.35rem}.form-group input,.form-group select{width:100%;padding:.65rem .85rem;border:1px solid var(--border);border-radius:8px;font-size:.9rem;transition:border-color .2s;background:#fff;color:var(--text);box-sizing:border-box}.form-group select{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.form-row{display:flex;gap:1rem}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200}.modal{background:var(--card-bg);padding:2rem;border-radius:12px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;overflow-x:hidden;box-shadow:0 20px 60px #0000004d}.modal h2{margin-bottom:1.25rem;color:var(--text)}.modal-wide{max-width:700px}.modal-extra-wide{max-width:950px}.modal-actions{display:flex;justify-content:flex-end;gap:.75rem;margin-top:1.5rem}.alert{padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem}.alert-error{background:#fee2e2;color:#b91c1c;border:1px solid #fecaca}.text-center{text-align:center}.text-muted{color:var(--text-muted);padding:2rem}.loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:1.2rem;color:var(--text-muted)}