@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--dst-primary: #3d9970;--dst-primary-dark: #2c7a5b;--dst-primary-darker: #246247;--dst-gradient: linear-gradient(to bottom right, #3d9970, #2c7a5b);--dst-sidebar-gradient: linear-gradient(to bottom, #2b9a6a, #2f8f67);--page-bg: #f7f9fc;--card-bg: #ffffff;--text: #111827;--text-muted: #6b7280;--text-label: #374151;--border: #e5e7eb;--border-input: #d1d5db;--green-50: #eef7f2;--green-100: #d9eee5;--row-hover: #f0fdf4;--error-bg: #fef2f2;--error-text: #dc2626;--warn-text: #b45309;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 14px;--shadow-card: 0 1px 3px rgba(0, 0, 0, .08);--sidebar-width: 256px}.text-muted{color:var(--text-muted)}.page-subtitle{color:var(--text-muted);margin-top:-16px;margin-bottom:24px;line-height:1.5}.alert-error{background:var(--error-bg);color:var(--error-text);padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:16px;border:1px solid #fecaca}.alert-warn{color:var(--warn-text);font-size:.9rem;margin-bottom:16px}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:16px;color:var(--text);background:var(--page-bg);-webkit-font-smoothing:antialiased}a{color:var(--dst-primary-dark);font-weight:500;text-decoration:none}a:hover{color:var(--dst-primary-darker);text-decoration:underline}#root{min-height:100vh}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--green-50);padding:24px}.login-card{background:#fff;padding:40px;border-radius:var(--radius-md);width:100%;max-width:420px;border:1px solid var(--border);box-shadow:var(--shadow-card)}.login-brand{text-align:center;margin-bottom:28px}.login-brand-title{font-size:1.75rem;font-weight:700;color:var(--text);margin:0;letter-spacing:-.02em}.login-brand-accent{color:var(--dst-primary)}.login-card>p{color:var(--text-muted);margin:8px 0 24px;text-align:center;font-size:.95rem}.login-card .error{background:var(--error-bg);color:var(--error-text);padding:12px;border-radius:var(--radius-sm);margin-bottom:16px;border:1px solid #fecaca;font-size:.9rem}.login-card .btn{width:100%;padding:12px;font-size:1rem}.hint{margin-top:16px;font-size:.85rem;color:var(--text-muted);text-align:center}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--dst-sidebar-gradient);color:#fff;display:flex;flex-direction:column;border-right:1px solid rgba(255,255,255,.1);position:fixed;top:0;left:0;bottom:0;z-index:30}.sidebar-brand{padding:20px;border-bottom:1px solid rgba(255,255,255,.15)}.sidebar-brand-title{font-size:1.5rem;font-weight:700;line-height:1.2;letter-spacing:-.02em}.sidebar-brand-sub{font-size:.85rem;color:#fffc;margin-top:4px}.sidebar nav{flex:1;overflow-y:auto;padding:16px 12px;display:flex;flex-direction:column;gap:4px}.sidebar nav a{color:#fffffff2;text-decoration:none;padding:12px 14px;border-radius:8px;font-size:.9rem;font-weight:500;transition:background .15s ease}.sidebar nav a:hover{background:#ffffff1a;color:#fff;text-decoration:none}.sidebar nav a.active{background:#fff3;color:#fff;font-weight:600;text-decoration:none}.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.15)}.admin-name{font-size:.8rem;color:#ffffffd9;margin-bottom:12px;word-break:break-all}.logout-btn{width:100%;padding:10px 14px;background:#ffffff26;color:#fff;border:none;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:600;font-family:inherit;transition:background .15s ease}.logout-btn:hover{background:#ffffff40}.content{flex:1;margin-left:var(--sidebar-width);padding:28px 32px;background:var(--page-bg);min-height:100vh}.page-title{margin:0 0 8px;font-size:1.75rem;font-weight:700;color:var(--text);letter-spacing:-.02em}.card{background:var(--card-bg);border-radius:var(--radius-lg);padding:24px;border:1px solid var(--border);box-shadow:var(--shadow-card);margin-bottom:24px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--card-bg);padding:24px;border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-card);border-left:4px solid var(--dst-primary)}.stat-card h3{margin:0;color:var(--text-muted);font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.stat-card p{margin:10px 0 0;font-size:2rem;font-weight:700;color:var(--text)}table{width:100%;border-collapse:collapse;background:var(--card-bg)}th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border)}th{background:var(--green-50);font-weight:600;color:var(--dst-primary-dark);font-size:.85rem;text-transform:uppercase;letter-spacing:.03em}tbody tr:hover{background:var(--row-hover)}.btn{padding:10px 20px;background:var(--dst-gradient);color:#fff;border:none;border-radius:var(--radius-sm);cursor:pointer;text-decoration:none;display:inline-block;font-size:.9rem;font-weight:600;font-family:inherit;transition:filter .15s ease,transform .1s ease}.btn:hover{filter:brightness(.95);color:#fff;text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:#fff;color:var(--dst-primary-dark);border:1px solid var(--dst-primary-dark)}.btn-secondary:hover{background:var(--green-50);filter:none;color:var(--dst-primary-darker)}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-weight:500;color:var(--text-label);font-size:.9rem}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1px solid var(--border-input);border-radius:var(--radius-sm);font-size:1rem;font-family:inherit;color:var(--text);background:#fff;transition:border-color .15s,box-shadow .15s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--dst-primary-dark);box-shadow:0 0 0 3px #3d997033}.badge{background:var(--green-100);color:var(--dst-primary-dark);padding:4px 10px;border-radius:6px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.qr-preview{max-width:280px;margin-top:16px;border:1px solid var(--border);border-radius:var(--radius-md)}.search-input{flex:1;min-width:200px;padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-input);font-family:inherit;font-size:.95rem}.search-input:focus{outline:none;border-color:var(--dst-primary-dark);box-shadow:0 0 0 3px #3d997033}.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}@media (max-width: 900px){.sidebar{position:relative;width:100%;min-height:auto}.content{margin-left:0;padding:20px 16px}.layout{flex-direction:column}}.loader-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;gap:16px}.loader-inline{padding:24px}.loader-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#ffffffe6;display:flex;align-items:center;justify-content:center;z-index:10;border-radius:var(--radius-lg)}.loader-spinner{width:40px;height:40px;border:3px solid var(--green-100);border-top-color:var(--dst-primary);border-radius:50%;animation:loader-spin .7s linear infinite}.loader-text{margin:0;color:var(--text-muted);font-size:.95rem}@keyframes loader-spin{to{transform:rotate(360deg)}}.table-panel{position:relative;min-height:200px}.pagination-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding:16px;background:var(--card-bg);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-card)}.pagination-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.pagination-controls button{padding:8px 14px;border:1px solid var(--border-input);background:#fff;border-radius:var(--radius-sm);cursor:pointer;font-size:.9rem;color:var(--text-label);font-family:inherit}.pagination-controls button:hover:not(:disabled){background:var(--green-50);border-color:var(--dst-primary-dark);color:var(--dst-primary-dark)}.pagination-controls button:disabled{opacity:.45;cursor:not-allowed}.pagination-controls button.active{background:var(--dst-gradient);color:#fff;border-color:transparent}.page-size-select{padding:8px 12px;border:1px solid var(--border-input);border-radius:var(--radius-sm);font-size:.9rem;background:#fff;font-family:inherit}.pulse-dot{display:inline-block;width:8px;height:8px;background:var(--dst-primary);border-radius:50%;margin-right:6px;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.legacy-qr .legacy-desc{color:var(--text-muted);margin:-12px 0 24px;max-width:720px;line-height:1.5}.legacy-qr .legacy-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}.legacy-qr .legacy-error{color:var(--error-text);margin-top:12px}.legacy-qr .legacy-result{margin-top:24px}.legacy-qr .legacy-meta{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-top:16px}.legacy-qr .meta-label{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.legacy-qr .meta-value{font-weight:600;color:var(--text)}.legacy-qr .qr-preview{max-width:280px;margin-top:16px;border:1px solid var(--border);border-radius:var(--radius-md)}.legacy-qr .history-table{margin-top:32px}.legacy-qr .live-indicator{grid-column:1 / -1;display:flex;align-items:center;gap:8px;color:var(--text-muted);font-size:.9rem;margin-top:8px}.legacy-qr .empty-hint{color:var(--text-muted);text-align:center;padding:24px}