:root{--primary: #4A7FBF;--primary-hover: #3A6AA8;--primary-light: #EBF3FC;--primary-text: #2C5282;--bg-app: #F8FAFC;--bg-sidebar: #FFFFFF;--bg-card: #FFFFFF;--bg-muted: #F1F5F9;--text-main: #0F172A;--text-muted: #64748B;--text-sub: #94A3B8;--border: #E2E8F0;--border-focus: #4A7FBF;--success: #10B981;--success-bg: #ECFDF5;--warning: #F59E0B;--warning-bg: #FFFBEB;--danger: #EF4444;--danger-bg: #FEF2F2;--info: #3B82F6;--info-bg: #EFF6FF;--purple: #8B5CF6;--purple-bg: #F5F3FF;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .06), 0 2px 4px -1px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -2px rgba(0, 0, 0, .03);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text-main);background-color:var(--bg-app);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}button,input,select,textarea{font-family:inherit}input::-webkit-calendar-picker-indicator{display:none!important;opacity:0!important;-webkit-appearance:none}a{color:var(--primary);text-decoration:none}.app-container{display:flex;min-height:100vh;background-color:var(--bg-app)}.sidebar{width:260px;background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0;height:100vh;z-index:20}.main-content{flex:1;display:flex;flex-direction:column;min-width:0}.page-wrapper{padding:32px;max-width:1360px;width:100%;margin:0 auto}.top-header{height:64px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 32px;position:sticky;top:0;z-index:10}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:500;border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all .15s ease-in-out}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover);box-shadow:var(--shadow-sm)}.btn-secondary{background-color:#fff;border-color:var(--border);color:var(--text-main)}.btn-secondary:hover:not(:disabled){background-color:var(--bg-muted);border-color:#cbd5e1}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover:not(:disabled){background:var(--bg-muted);color:var(--text-main)}.btn-danger{background-color:var(--danger-bg);border-color:#fecaca;color:var(--danger)}.btn-danger:hover:not(:disabled){background-color:#fee2e2}.btn-sm{padding:6px 12px;font-size:13px}.btn:disabled{opacity:.6;cursor:not-allowed}.form-group{margin-bottom:20px}.form-label{display:block;font-size:14px;font-weight:500;color:var(--text-main);margin-bottom:6px}.form-label.required:after{content:" *";color:var(--danger)}.form-help{font-size:12px;color:var(--text-muted);margin-top:5px}.form-control{width:100%;padding:10px 14px;font-size:14px;border-radius:var(--radius-md);border:1px solid var(--border);background:#fff;color:var(--text-main);transition:border-color .15s ease,box-shadow .15s ease;outline:none}.form-control:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px #4a7fbf2e}textarea.form-control{min-height:100px;resize:vertical}.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;font-size:12px;font-weight:500;border-radius:var(--radius-full)}.data-table-container{overflow-x:auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}.data-table th{background:#f8fafc;padding:12px 16px;font-weight:600;color:var(--text-muted);border-bottom:1px solid var(--border);white-space:nowrap}.data-table td{padding:16px;border-bottom:1px solid var(--border);color:var(--text-main);vertical-align:middle}.data-table tr:last-child td{border-bottom:none}.data-table tr.clickable{cursor:pointer;transition:background-color .12s ease}.data-table tr.clickable:hover{background-color:var(--bg-muted)}.tab-list{display:flex;gap:8px;border-bottom:1px solid var(--border);margin-bottom:24px}.tab-btn{padding:12px 18px;font-size:14px;font-weight:500;color:var(--text-muted);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;display:flex;align-items:center;gap:8px;margin-bottom:-1px}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.tab-btn:hover:not(.active){color:var(--text-main)}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}@media (max-width: 900px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.sidebar{width:72px}.sidebar .hide-mobile{display:none}}.screenshot-thumb-card{position:relative;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border);aspect-ratio:1;cursor:pointer;box-shadow:var(--shadow-sm);transition:all .2s cubic-bezier(.16,1,.3,1);background-color:#f1f5f9}.screenshot-thumb-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--primary)}.screenshot-thumb-card .thumb-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#0f172a8c;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);display:flex;flex-direction:column;align-items:center;justifyContent:center;gap:6px;opacity:0;transition:opacity .2s ease;padding:8px;text-align:center}.screenshot-thumb-card:hover .thumb-overlay{opacity:1}.doc-attachment-row{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background-color:#f8fafc;border-radius:var(--radius-md);border:1px solid var(--border);font-size:13px;gap:12px;transition:all .15s ease}.doc-attachment-row:hover{background-color:#f1f5f9;border-color:#cbd5e1}