:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;color:#172033;background:#f7f8fb;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--line: #e7eaf0;--muted: #697386;--soft: #f4f6f9;--brand: #0f6bff;--brand-strong: #0757dc;--success: #16a34a;--danger: #dc2626;--warning-bg: #fff6ed;--warning-line: #fed7aa;--warning-text: #9a4b00}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.64}.app-shell{min-height:100vh;display:grid;grid-template-columns:224px 1fr}.sidebar{border-right:1px solid var(--line);background:#fff;padding:22px 18px;display:flex;flex-direction:column;gap:28px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:38px;height:38px;border-radius:8px;background:linear-gradient(135deg,#ff6b6b,#0f6bff);color:#fff;display:grid;place-items:center;font-weight:800}.brand-title{font-weight:800;font-size:16px}.brand-subtitle{color:var(--muted);font-size:12px;margin-top:2px}.side-nav{display:grid;gap:8px}.side-link{border:0;background:transparent;color:#344054;height:38px;padding:0 12px;border-radius:6px;display:flex;align-items:center;gap:10px;text-align:left}.side-link.active{background:#eef4ff;color:var(--brand);font-weight:700}.icon{width:18px;text-align:center}.side-foot{margin-top:auto;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--success)}.main{padding:34px 36px 48px;min-width:0}.topbar{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:26px}h1,h2,p{margin:0}h1{font-size:26px;line-height:1.2}h2{font-size:16px}.topbar p,.panel-heading p{color:var(--muted);font-size:13px;margin-top:7px}.top-actions{display:flex;gap:10px}.ghost-link,.icon-button{border:1px solid var(--line);background:#fff;color:#344054;border-radius:7px;height:36px;min-width:36px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.grid{display:grid;grid-template-columns:minmax(520px,1.08fr) minmax(360px,.92fr);gap:24px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px;box-shadow:0 1px 2px #10182808}.panel-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:18px}.pill{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:#ecfdf3;color:#067647;font-weight:700;font-size:12px;white-space:nowrap}.hint-row{border:1px solid var(--warning-line);background:var(--warning-bg);color:var(--warning-text);border-radius:8px;padding:14px;display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;margin-bottom:18px}.hint-icon{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#fff;border:1px solid #fed7aa;font-weight:800}.hint-row strong{display:block;color:#5f3200;font-size:14px}.hint-row span{display:block;color:#8a4b12;font-size:12px;margin-top:3px}.template-button,.primary-button,.secondary-button,.task-actions button,.history-actions button{border:0;border-radius:6px;height:36px;padding:0 14px;font-weight:700}.template-button,.primary-button{background:var(--brand);color:#fff}.template-button:hover,.primary-button:hover{background:var(--brand-strong)}.secondary-button,.task-actions button,.history-actions button{background:var(--soft);color:#344054}.field{display:grid;gap:8px;margin-bottom:18px}.field>span{color:#344054;font-weight:700;font-size:13px}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:7px;background:#fff;color:#172033;outline:none;transition:border-color .15s,box-shadow .15s}input,select{height:42px;padding:0 12px}textarea{min-height:138px;resize:vertical;padding:12px;line-height:1.5}input:focus,textarea:focus,select:focus{border-color:#84adff;box-shadow:0 0 0 3px #0f6bff1c}.key-row{display:grid;grid-template-columns:1fr 86px;gap:10px}.checkline{border:1px solid var(--line);border-radius:7px;display:flex;align-items:center;justify-content:center;gap:6px;color:#344054;font-size:13px;height:42px}.checkline input{width:14px;height:14px;padding:0}.form-grid{display:grid;grid-template-columns:1fr 1fr 112px 150px;gap:14px}.dropzone{min-height:104px;border:1px dashed #c8d1e0;border-radius:8px;background:#fbfcff;display:grid;place-items:center;gap:4px;color:#344054;text-align:center;padding:18px}.dropzone.dragover{border-color:var(--brand);background:#eef4ff}.upload-icon{color:var(--brand);font-size:22px;line-height:1}.dropzone strong{font-size:14px}.dropzone em{color:var(--muted);font-style:normal;font-size:12px}.reference-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:12px}.reference-item{position:relative;border:1px solid var(--line);border-radius:8px;overflow:hidden;aspect-ratio:1;background:#f1f4f8}.reference-item img{width:100%;height:100%;object-fit:cover;display:block}.reference-item button{position:absolute;right:6px;top:6px;width:24px;height:24px;border:0;border-radius:50%;background:#0f172ad1;color:#fff;font-size:16px;line-height:1}.actions{display:grid;grid-template-columns:1fr 120px;gap:12px}.task-panel{min-height:334px}.task-list,.history-list{display:grid;gap:12px}.task-card,.history-card{border:1px solid var(--line);border-radius:8px;padding:12px;display:grid;gap:12px;background:#fff}.task-card.running{border-color:#bfdbfe;background:#f8fbff}.task-card.error{border-color:#fecaca;background:snow}.task-main{display:grid;grid-template-columns:86px 1fr;gap:12px;min-width:0}.task-thumb,.history-thumb{border-radius:7px;background:var(--soft);overflow:hidden;display:grid;place-items:center;color:var(--muted);font-size:12px;aspect-ratio:1}.task-thumb img,.history-thumb img{width:100%;height:100%;object-fit:cover}.task-copy,.history-copy{min-width:0}.task-title,.history-copy strong{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-weight:700;line-height:1.45}.task-meta,.history-copy span{display:block;color:var(--muted);font-size:12px;margin-top:6px}.task-revised{color:#475467;font-size:12px;margin-top:8px;line-height:1.45}.error-text{white-space:pre-wrap;word-break:break-word;background:#111827;color:#fecaca;border-radius:6px;padding:10px;font-size:12px;line-height:1.5;max-height:140px;overflow:auto}.task-actions{display:flex;justify-content:space-between;align-items:center;gap:12px}.status-badge{display:inline-flex;align-items:center;height:24px;border-radius:999px;padding:0 9px;background:#f2f4f7;color:#344054;font-size:12px;font-weight:700}.history-panel{margin-top:24px}.history-card{grid-template-columns:64px 1fr auto;align-items:center}.history-actions{display:flex;gap:8px}.empty{min-height:112px;border:1px dashed #d6dce8;border-radius:8px;display:grid;place-items:center;color:var(--muted);background:#fbfcff}.toast{position:fixed;right:22px;bottom:22px;background:#111827;color:#fff;padding:12px 14px;border-radius:8px;box-shadow:0 8px 28px #0f172a3d;font-size:14px}@media (max-width: 1100px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;flex-direction:row;align-items:center;padding:14px 18px}.side-nav{display:flex}.side-foot{margin-left:auto;margin-top:0}.grid{grid-template-columns:1fr}}@media (max-width: 760px){.main{padding:20px 14px 32px}.topbar,.panel-heading{flex-direction:column}.hint-row{grid-template-columns:34px 1fr}.template-button{grid-column:1 / -1}.form-grid,.key-row,.actions{grid-template-columns:1fr}.reference-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.history-card{grid-template-columns:58px 1fr}.history-actions{grid-column:1 / -1}}