*{box-sizing:border-box;margin:0;padding:0}body{color:#e2e8f0;background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);min-height:100vh;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6}.hidden{display:none!important}
.modal{z-index:1000;background:#00000080;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.modal-content{background:#1e293b;border:1px solid #334155;border-radius:12px;width:90%;max-width:500px;max-height:80vh;overflow-y:auto;box-shadow:0 20px 40px #00000080}.modal-header{background:#0f172a;border-bottom:1px solid #334155;border-radius:12px 12px 0 0;justify-content:space-between;align-items:center;padding:20px;display:flex}.modal-header h3{color:#e2e8f0;font-weight:600}.close{cursor:pointer;color:#94a3b8;font-size:24px;transition:color .3s}.close:hover{color:#ef4444}.modal-body{padding:20px}
.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:12px 24px;font-size:14px;font-weight:600;text-decoration:none;transition:all .3s;display:inline-flex}.btn-primary{color:#fff;background:linear-gradient(135deg,#3b82f6,#8b5cf6)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 5px 15px #3b82f680}.btn-secondary{color:#fff;background:#475569}.btn-secondary:hover{background:#334155}.btn-danger{color:#fff;background:#ef4444}.btn-danger:hover{background:#dc2626}.btn-success{color:#fff;background:#10b981}.btn-success:hover{background:#059669}.action-buttons{gap:8px;display:flex}.action-btn{cursor:pointer;border:none;border-radius:6px;padding:6px 12px;font-size:12px;font-weight:600;transition:all .3s}.action-btn.edit{color:#fff;background:#3b82f6}.action-btn.edit:hover{background:#2563eb}.action-btn.delete{color:#fff;background:#ef4444}.action-btn.delete:hover{background:#dc2626}.action-btn.view{color:#fff;background:#10b981}.action-btn.view:hover{background:#059669}
.form-group{text-align:left;margin-bottom:20px}.form-group label{color:#cbd5e1;margin-bottom:8px;font-weight:600;display:block}.form-group input,.form-group select,.form-group textarea{color:#e2e8f0;background:#0f172a;border:2px solid #334155;border-radius:8px;width:100%;padding:12px;font-size:16px;transition:border-color .3s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:#3b82f6;outline:none}.form-actions{border-top:1px solid #334155;justify-content:flex-end;gap:15px;margin-top:20px;padding-top:20px;display:flex}.error-message{color:#fca5a5;background:#991b1b;border:1px solid #dc2626;border-radius:6px;margin-top:15px;padding:10px;font-weight:500}.success-message{color:#86efac;background:#065f46;border:1px solid #10b981;border-radius:6px;margin-top:15px;padding:10px;font-weight:500}.login-container{text-align:center;padding:40px}.login-container h2{color:#e2e8f0;margin-bottom:30px;font-size:28px}
.header{background:#1e293b;border-bottom:1px solid #334155;margin-bottom:0;box-shadow:0 2px 10px #0000004d}.header-content{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:15px 20px;display:flex}.header h1{color:#e2e8f0;font-size:24px;font-weight:700}.user-info{align-items:center;gap:15px;display:flex}.user-info span{color:#cbd5e1;font-weight:500}.navigation{background:#0f172a;border-bottom:1px solid #334155;box-shadow:0 2px 5px #0000004d}.nav-container{gap:0;max-width:1200px;margin:0 auto;display:flex}.nav-btn{cursor:pointer;color:#94a3b8;background:0 0;border:none;border-bottom:3px solid #0000;align-items:center;gap:8px;padding:15px 20px;font-size:14px;font-weight:600;transition:all .3s;display:flex}.nav-btn:hover{color:#3b82f6;background:#1e293b}.nav-btn.active{color:#3b82f6;background:#1e293b;border-bottom-color:#3b82f6}
.content{max-width:100%;min-height:calc(100vh - 140px);margin:0;padding:20px}.section{display:none}.section.active{display:block}.section-header{background:#1e293b;border:1px solid #334155;border-radius:12px;justify-content:space-between;align-items:center;margin-bottom:25px;padding:20px;display:flex;box-shadow:0 2px 10px #0000004d}.section-header h2{color:#e2e8f0;font-size:24px;font-weight:700}.section-header p{color:#94a3b8;margin-top:5px;font-size:14px}
.table-container{background:#1e293b;border:1px solid #334155;border-radius:12px;overflow:hidden;box-shadow:0 2px 10px #0000004d}.data-table{border-collapse:collapse;width:100%}.data-table th{text-align:left;color:#e2e8f0;background:#0f172a;border-bottom:2px solid #334155;padding:15px;font-weight:600}.data-table td{color:#cbd5e1;border-bottom:1px solid #334155;padding:15px}.data-table tr:hover{background:#334155}
.stats-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:30px;display:grid}.stat-card{background:#1e293b;border:1px solid #334155;border-radius:12px;align-items:center;gap:20px;padding:25px;transition:transform .3s;display:flex;box-shadow:0 2px 10px #0000004d}.stat-card:hover{transform:translateY(-5px);box-shadow:0 8px 20px #0006}.stat-icon{color:#fff;background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-radius:12px;justify-content:center;align-items:center;width:60px;height:60px;font-size:24px;display:flex}.stat-info h3{color:#e2e8f0;margin-bottom:5px;font-size:32px;font-weight:700}.stat-info p{color:#94a3b8;font-weight:500}
.loading{border:3px solid #334155;border-top-color:#3b82f6;border-radius:50%;width:20px;height:20px;animation:1s linear infinite spin;display:inline-block}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}
::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#0f172a;border-radius:4px}::-webkit-scrollbar-thumb{background:#475569;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#3b82f6}
@media (max-width:768px){.header-content{text-align:center;flex-direction:column;gap:15px}.nav-container{flex-wrap:wrap;justify-content:center}.nav-btn{flex:1;min-width:120px}.section-header{text-align:center;flex-direction:column;gap:15px}.stats-grid{grid-template-columns:1fr}.data-table{font-size:14px}.data-table th,.data-table td{padding:10px 8px}.form-actions{flex-direction:column}.action-buttons{flex-direction:column;gap:4px}.action-btn{padding:4px 8px;font-size:11px}}@media (max-width:480px){.content{padding:10px}.modal-content{width:95%;margin:10px}.login-container,.stat-card{padding:20px}.stat-icon{width:50px;height:50px;font-size:20px}.stat-info h3{font-size:24px}}
.stat-card-clickable{cursor:pointer}.stat-card-clickable:hover{transform:translateY(-5px)scale(1.02)!important;box-shadow:0 8px 25px #3b82f666!important}.stat-card-clickable:active{transform:translateY(-3px)scale(1.01)!important}