:root{--bg:#f6f7f4;--ink:#15201a;--muted:#6a756e;--line:#dde3dc;--panel:#ffffff;--sidebar:#101a15;--sidebar-text:#e8efe9;--accent:#1f6b4d;--accent-soft:#e7f3ec;--warn:#b45309;--danger:#b42318;--radius:14px;--shadow:0 1px 0 rgba(16,26,21,0.04),0 12px 28px rgba(16,26,21,0.06);--font:"PingFang SC","Noto Sans SC","Hiragino Sans GB",sans-serif;--mono:"SF Mono",ui-monospace,Menlo,monospace}*{box-sizing:border-box}body,html{height:100%}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg)}.app{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{padding:22px 16px;background:var(--sidebar);color:var(--sidebar-text)}.brand{display:flex;gap:12px;align-items:center;margin-bottom:22px;padding:0 4px}.brand-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--accent);color:#f4fff8;font-weight:700}.brand-name{font-weight:700;letter-spacing:.04em}.brand-sub{font-size:12px;opacity:.65;margin-top:2px}.sidebar-section{margin-top:28px}.sidebar-label{font-size:11px;letter-spacing:.12em;opacity:.5;margin:0 8px 10px}.contract-list{display:flex;flex-direction:column;gap:6px;max-height:calc(100vh - 210px);overflow:auto}.contract-item{text-align:left;border:1px solid transparent;background:transparent;border-radius:12px;padding:12px;cursor:pointer;font:inherit;color:inherit}.contract-item:hover{background:rgba(255,255,255,.06)}.contract-item.active{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.08)}.contract-item .no{font-family:var(--mono);font-size:11px;opacity:.55}.contract-item .name{font-weight:600;margin-top:4px}.contract-item .meta{font-size:12px;opacity:.5;margin-top:4px}.main{padding:28px 36px 56px;overflow:auto}.empty-state{max-width:560px;margin:14vh auto 0;padding:36px;background:var(--panel);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.empty-state h1{margin:0 0 12px;font-size:28px;letter-spacing:-.02em}.empty-state p{color:var(--muted);line-height:1.7;margin:0 0 22px}.detail{max-width:1080px}.detail-header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:18px}.detail-heading h1{margin:6px 0 0;font-size:28px;letter-spacing:-.02em}.title-input{margin-top:6px;width:min(520px,100%);font:inherit;font-size:28px;font-weight:700;border:1px solid var(--line);border-radius:10px;padding:6px 10px;background:#fff}.header-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin-bottom:14px}.panel-compact{padding-bottom:14px}.panel h2{margin:0 0 14px;font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:600}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.panel-head h2{margin:0}.grid-2{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px;margin-bottom:14px;align-items:start}.form-grid{display:grid;grid-gap:10px;gap:10px}.form-grid-4{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.field{display:grid;grid-gap:6px;gap:6px}.field span{font-size:12px;color:var(--muted)}.dialog-card input[type=text],.field input,.kv-row input{width:100%;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 12px;font:inherit;color:inherit}.field input:focus,.kv-row input:focus,.title-input:focus{outline:2px solid rgba(31,107,77,.2);border-color:var(--accent)}.readonly{min-height:42px;border:1px solid transparent;background:#f3f6f3;border-radius:10px;padding:10px 12px;display:flex;align-items:center;white-space:pre-wrap;word-break:break-word}.readonly.empty{color:transparent}.kv-table{grid-gap:8px}.kv-row,.kv-table{display:grid;gap:8px}.kv-row{grid-template-columns:1fr 1.5fr 36px;grid-gap:8px;align-items:center}.file-list{display:grid;grid-gap:8px;gap:8px}.file-chip{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px 14px;border-radius:12px;background:#f7faf7;border:1px solid var(--line)}.file-chip.row{background:#fff}.file-name{font-weight:600}.btn{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;padding:9px 15px;font:inherit;font-weight:600;cursor:pointer}.btn:hover{border-color:#c8d2ca}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#f4fff8;border-color:transparent}.sidebar .btn-primary{background:#fff;color:var(--sidebar)}.btn-accent{background:var(--accent-soft);color:var(--accent);border-color:transparent}.btn-ghost{background:transparent}.btn-block{width:100%}.btn-sm{padding:6px 12px;font-size:13px}.btn-icon{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer}.status-pill{font-size:12px;padding:6px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:600}.status-pill.failed{background:#fdecec;color:var(--danger)}.status-pill.converting,.status-pill.extracting{background:#fff4e5;color:var(--warn)}.muted{color:var(--muted)}.small{font-size:12px}.mono{font-family:var(--mono)}.error-banner{background:#fdecec;color:var(--danger);border:1px solid #f3c6c2;padding:10px 14px;border-radius:12px;margin-bottom:14px}.overlay{position:fixed;inset:0;background:rgba(16,26,21,.48);display:grid;place-items:center;z-index:40;padding:16px}.dialog-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow);width:min(520px,100%)}.dialog-card h2{margin:0 0 8px}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.dropzone{margin-top:14px;display:block;border:1.5px dashed var(--line);border-radius:14px;padding:28px 16px;text-align:center;background:#f7faf7;cursor:pointer}.dropzone.dragover{border-color:var(--accent);background:var(--accent-soft)}.file-preview{list-style:none;padding:0;margin:12px 0 0;text-align:left;font-size:13px;color:var(--muted)}.viewer-overlay{align-items:stretch}.viewer-card{width:min(1100px,100%);height:min(88vh,920px);background:#fff;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}.viewer-header{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line)}.viewer-title{font-weight:700}.viewer-actions{display:flex;gap:8px}.viewer-body{flex:1 1;overflow:auto;background:#f7faf7}.viewer-loading{padding:24px;color:var(--muted)}.viewer-frame{width:100%;height:100%;border:0;background:#fff}.viewer-html{padding:20px 24px;background:#fff;min-height:100%;line-height:1.7}.viewer-html table{border-collapse:collapse;width:100%;margin:12px 0 20px;font-size:13px}.viewer-html td,.viewer-html th{border:1px solid #d7ddd8;padding:6px 8px}.viewer-text{margin:0;padding:20px 24px;white-space:pre-wrap;word-break:break-word;font-family:var(--mono);font-size:13px;line-height:1.65;background:#fff;min-height:100%}.toast{position:fixed;right:20px;bottom:20px;background:var(--ink);color:#f4fff8;padding:12px 16px;border-radius:12px;box-shadow:var(--shadow);z-index:50}@media (max-width:980px){.app{grid-template-columns:1fr}.sidebar{border-bottom:1px solid #223028}.contract-list{max-height:180px}.form-grid-4,.grid-2{grid-template-columns:1fr}.detail-header{flex-direction:column}}