:root{color:#182026;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f4f6f8}body{margin:0;background:radial-gradient(circle at top right,rgba(28,121,142,.08),transparent 34rem),#f4f6f8}button,input,select{font:inherit}button,.download-link,.nav-item,th,td,label,output{white-space:nowrap}.app-shell{display:grid;grid-template-columns:256px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,#0d333a,#0b262c);color:#fff;padding:28px 18px;box-shadow:8px 0 28px #0c262c2e}.brand{display:flex;gap:10px;align-items:center;font-weight:700;margin-bottom:32px}.brand img{display:block;width:172px;max-width:100%;height:auto;background:#fff;border-radius:8px;padding:10px 12px}.nav-item{width:100%;height:46px;border:0;background:transparent;color:#d9e7ea;display:flex;align-items:center;gap:10px;padding:0 14px;border-radius:8px;cursor:pointer;font-weight:700;transition:background .18s ease,transform .18s ease}.nav-item.active,.nav-item:hover{background:#ffffff1f;color:#fff;transform:translate(2px)}.content{padding:40px 48px;min-width:0}.page-header{margin-bottom:24px}h1{font-size:34px;letter-spacing:0;margin:0 0 8px}p{margin:0;color:#5f6368}.upload-panel,.workflow{background:#fff;border:1px solid #dfe5ea;border-radius:8px;padding:24px;margin-bottom:22px;max-width:1220px;box-shadow:0 14px 30px #14222d0f}.upload-panel{display:grid;grid-template-columns:minmax(240px,1fr) minmax(300px,1.4fr) repeat(3,max-content);gap:16px;align-items:end}label{display:grid;gap:6px;color:#3c4043;font-size:14px}input{height:44px;border:1px solid #c6d0d6;border-radius:8px;padding:0 12px;background:#fff;min-width:0}select{height:46px;border:1px solid #c6d0d6;border-radius:8px;padding:0 12px;background:#fff;min-width:0}.primary{height:46px;border:0;border-radius:8px;background:linear-gradient(180deg,#157b93,#106a80);color:#fff;display:flex;align-items:center;gap:8px;padding:0 18px;cursor:pointer;font-weight:800;box-shadow:0 10px 18px #106a802e}.secondary,.download-link{height:46px;border:1px solid #c7cdd1;border-radius:8px;background:#fff;color:#174750;display:inline-flex;align-items:center;gap:8px;padding:0 16px;text-decoration:none;cursor:pointer;font-weight:700}.primary:disabled{opacity:.45;cursor:not-allowed}.secondary:disabled{opacity:.45;cursor:not-allowed}.text-button{border:0;background:transparent;color:#176b87;text-align:left;padding:0;cursor:pointer}output{color:#3c4043}.message-box{grid-column:1 / -1;display:flex;align-items:center;gap:10px;border:1px solid #c7d7df;border-left-width:4px;border-radius:8px;background:#f7fbfd;color:#174750;padding:14px 16px;margin-bottom:18px;overflow:hidden}.message-box output{overflow:hidden;text-overflow:ellipsis}.message-box.success{border-color:#a6d8bd;background:#f3fbf6;color:#22613f}.message-box.error{border-color:#e8a3a3;background:#fff6f6;color:#8a1f1f}.workflow h2{font-size:22px;margin:0 0 12px}.section-header{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}.section-header h2{margin:0}.compact{height:38px;padding:0 10px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:separate;border-spacing:0;font-size:13px;table-layout:fixed}th,td{border-bottom:1px solid #e1e4e8;padding:12px 10px;text-align:left;vertical-align:middle;overflow:hidden;text-overflow:ellipsis}th{color:#5f6368;font-weight:600;background:#f5f7f9}.status{display:inline-flex;align-items:center;min-height:24px;border-radius:999px;padding:0 8px;background:#eef3f5;color:#174750;font-weight:700;font-size:12px;white-space:nowrap}.status.completed{background:#e8f6ee;color:#22613f}.status.failed{background:#fdecec;color:#8a1f1f}.status.processing,.status.analyzing{background:#fff7df;color:#765400}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;max-width:1220px;margin-bottom:20px}.panel{background:#fff;border:1px solid #dfe5ea;border-radius:8px;padding:24px;display:grid;gap:12px;box-shadow:0 14px 30px #14222d0d}.panel h2{display:flex;align-items:center;gap:8px;font-size:17px;margin:0}.login-shell{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,rgba(22,127,149,.12),transparent 24rem),#f4f6f8}.login-card{width:min(420px,calc(100vw - 32px));background:#fff;border:1px solid #dfe5ea;border-radius:8px;padding:24px;display:grid;gap:16px;box-shadow:0 18px 44px #14222d1f}.brand.dark{color:#12343b;margin-bottom:4px}.brand.dark img{width:194px;padding:0}.page-header{display:flex;justify-content:space-between;gap:16px;align-items:start}.workflow li{margin:8px 0}.structure-review{max-width:1120px}.structure-summary,.mapping-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:16px 0}.structure-summary span{border:1px solid #dfe5ea;border-radius:6px;padding:10px;background:#f5f7f9;overflow:hidden;text-overflow:ellipsis}.sheet-list{display:grid;gap:12px}.sheet-preview{border-top:1px solid #e1e4e8;padding-top:12px}.sheet-preview h3{display:flex;align-items:center;gap:8px;font-size:15px;margin:0 0 8px}.sheet-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}.sheet-meta span{border:1px solid #dfe5ea;border-radius:999px;background:#f5f7f9;color:#51606b;padding:4px 9px;font-size:12px;white-space:nowrap}.sheet-preview pre{max-height:180px;overflow:auto;background:#f5f7f9;border:1px solid #e1e4e8;border-radius:6px;padding:10px;font-size:12px}@media (max-width: 820px){.app-shell{grid-template-columns:1fr}.sidebar{position:static}.upload-panel{grid-template-columns:1fr}.content{padding:24px 16px}button,.download-link{justify-content:center}}
