:root{--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #0f172a;--color-text-secondary: #64748b;--color-primary: #0ea5e9;--color-primary-hover: #0284c7;--color-primary-light: #e0f2fe;--color-success: #16a34a;--color-warning: #f59e0b;--color-error: #dc2626;--color-error-light: #fef2f2;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:17px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,PingFang TC,Microsoft JhengHei,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea,select{font-family:inherit;font-size:16px}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #0ea5e91f}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:18px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.header-title{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:700;color:var(--color-text)}.header-title svg{color:var(--color-primary)}.header-actions{display:flex;align-items:center;gap:10px}.backup-wrapper{position:relative}.backup-menu{position:absolute;top:calc(100% + 6px);right:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);min-width:200px;z-index:150;overflow:hidden}.backup-menu button{display:flex;align-items:center;gap:10px;width:100%;padding:14px 18px;font-size:16px;color:var(--color-text);transition:background .12s ease;text-align:left}.backup-menu button:hover{background:var(--color-bg)}.backup-menu button svg{color:var(--color-primary);flex-shrink:0}.status-banner{margin:12px 24px 0;padding:12px 18px;background:var(--color-primary-light);color:var(--color-primary-hover);border-radius:var(--radius-sm);font-size:16px;font-weight:500;border:1px solid #bae6fd}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:var(--radius-sm);font-size:16px;font-weight:600;transition:all .15s ease;white-space:nowrap}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg);border-color:var(--color-text-secondary)}.btn-danger{background:var(--color-error-light);color:var(--color-error)}.btn-danger:hover{background:var(--color-error);color:#fff}.btn-icon{padding:10px;border-radius:var(--radius-sm);color:var(--color-text-secondary);transition:all .15s ease}.btn-icon:hover{background:var(--color-error-light);color:var(--color-error)}.row-actions{display:flex;gap:4px}.progress-modal{background:var(--color-surface);border-radius:var(--radius);padding:40px 48px;text-align:center;min-width:320px;box-shadow:var(--shadow-lg)}.progress-bar-container{width:100%;height:8px;background:var(--color-bg);border-radius:4px;overflow:hidden;margin-top:12px}.progress-bar-fill{height:100%;background:var(--color-primary);border-radius:4px;transition:width .2s ease}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.toolbar{padding:20px 24px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}.search-box{flex:1;min-width:260px;max-width:520px;position:relative}.search-box svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--color-text-secondary)}.search-box input{width:100%;padding:12px 14px 12px 44px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:16px;transition:border-color .15s ease}.search-box input::placeholder{color:var(--color-text-secondary)}.result-count{font-size:16px;color:var(--color-text-secondary);white-space:nowrap}.building-filter{padding:0 24px 16px;display:flex;gap:8px;flex-wrap:wrap}.building-chip{padding:8px 18px;border-radius:20px;font-size:16px;font-weight:600;background:var(--color-surface);color:var(--color-text-secondary);border:1px solid var(--color-border);transition:all .15s ease}.building-chip:hover{border-color:var(--color-primary);color:var(--color-primary)}.building-chip.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.main-content{flex:1;display:flex;overflow:hidden}.table-container{flex:1;padding:0 24px 24px;overflow-x:auto}table{width:100%;border-collapse:collapse;background:var(--color-surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}thead{background:#f1f5f9}th{padding:16px 18px;text-align:left;font-size:17px;font-weight:600;color:var(--color-text-secondary);white-space:nowrap;border-bottom:1px solid var(--color-border)}td{padding:18px;font-size:18px;color:var(--color-text);border-bottom:1px solid var(--color-border);vertical-align:top}tbody tr{transition:background .12s ease}tbody tr:hover{background:#f8fafc}tbody tr.summary-row--open{background:#eff6ff}tbody tr.summary-row--open .unit-badge{background:var(--color-primary);color:#fff}.detail-row td{padding:0!important;border-bottom:none!important}.detail-row--open td{background:#eff6ff;border-bottom:1px solid var(--color-border)!important}.detail-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}.detail-row--open .detail-panel{grid-template-rows:1fr}.detail-inner{overflow:hidden;padding:0;transition:padding .28s ease}.detail-row--open .detail-inner{padding:20px 24px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 32px;margin-bottom:16px}.detail-grid--lower{border-top:1px solid var(--color-border);padding-top:16px}.detail-grid--contacts{margin-top:8px;border-top:none;padding-top:0;margin-bottom:0}.detail-section{min-width:0}.detail-section--full{grid-column:1 / -1;border-top:1px solid var(--color-border);padding-top:16px}.detail-section--notes{margin-top:0}.detail-section-label{display:flex;align-items:center;gap:5px;font-size:14px;font-weight:600;color:var(--color-text-secondary);margin-bottom:8px}.detail-person{margin-bottom:6px}.detail-person-name{font-size:16px;font-weight:600;color:var(--color-text)}.detail-person-phone{font-size:15px;color:var(--color-text-secondary)}.detail-vehicle{margin-bottom:6px}.detail-vehicle-spot{font-size:16px;font-weight:700;color:var(--color-text)}.detail-vehicle-meta{font-size:15px;color:var(--color-text-secondary)}.detail-value{font-size:16px;color:var(--color-text)}.detail-meta-list{font-size:16px;color:var(--color-text);line-height:1.8}.detail-notes{font-size:16px;color:var(--color-text);white-space:pre-wrap;line-height:1.7}.search-highlight{background:#fde68a;color:#92400e;padding:0 2px;border-radius:3px;font-weight:700}tbody tr:last-child td{border-bottom:none}.unit-badge{display:inline-block;padding:6px 14px;background:var(--color-surface);color:var(--color-primary-hover);border:2px solid var(--color-primary);border-radius:8px;font-weight:700;font-size:18px;transition:background .15s ease,color .15s ease}tbody tr:hover .unit-badge{background:var(--color-primary);color:#fff}.sub-list{font-size:17px;color:var(--color-text-secondary);line-height:1.7}.sub-list-item{display:flex;align-items:center;gap:5px}.empty-state{text-align:center;padding:60px 24px;color:var(--color-text-secondary)}.empty-state svg{margin-bottom:12px;opacity:.4}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:flex-start;justify-content:center;z-index:200;padding:24px;overflow-y:auto;animation:fadeIn .15s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:680px;margin:24px 0;animation:slideUp .2s ease}@keyframes slideUp{0%{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:22px 24px;border-bottom:1px solid var(--color-border)}.modal-header h2{font-size:20px;font-weight:700}.modal-body{padding:24px;max-height:calc(100vh - 200px);overflow-y:auto}.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:18px 24px;border-top:1px solid var(--color-border)}.form-section{margin-bottom:24px}.form-section-title{font-size:16px;font-weight:600;color:var(--color-primary-hover);margin-bottom:14px;padding-bottom:6px;border-bottom:2px solid var(--color-primary-light)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-field{display:flex;flex-direction:column;gap:5px}.form-field.full{grid-column:1 / -1}.form-field label{font-size:15px;font-weight:500;color:var(--color-text-secondary)}.form-field input,.form-field textarea,.form-field select{padding:11px 14px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:16px;transition:border-color .15s ease}.form-field textarea{resize:vertical;min-height:70px}.dynamic-row{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;align-items:center;margin-bottom:8px}.dynamic-row input{padding:11px 14px;border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:16px}.add-row-btn{display:inline-flex;align-items:center;gap:4px;font-size:15px;font-weight:500;color:var(--color-primary);padding:8px 0;transition:color .15s ease}.add-row-btn:hover{color:var(--color-primary-hover)}.loading{text-align:center;padding:60px;color:var(--color-text-secondary)}.error-banner{margin:16px 24px;padding:14px 18px;background:var(--color-error-light);color:var(--color-error);border-radius:var(--radius-sm);font-size:16px;border:1px solid #fecaca;display:flex;align-items:center;justify-content:space-between}.error-close{color:var(--color-error);padding:4px}@media (max-width: 768px){.header{padding:14px 16px;flex-direction:column;gap:10px;align-items:stretch}.header-title{font-size:20px}.header-actions{flex-wrap:wrap}.toolbar{padding:16px}.table-container{padding:0 16px 16px}th,td{padding:12px;font-size:15px}.form-grid{grid-template-columns:1fr}.modal{margin:0;border-radius:0;min-height:100vh}.modal-overlay{padding:0}.backup-menu{right:-20px}}