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/* V1.1: 原始數據探索／分析結果揭曉 */
[hidden]{display:none!important}.data-preview{background:white;border:1px solid #e9eef2;border-radius:15px;padding:30px;margin-bottom:22px;box-shadow:0 5px 30px #192d4210}.preview-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.preview-head h2{font-size:22px;margin:9px 0}.preview-head p{margin:0;color:#8391a3;font-size:12px;line-height:1.7}.preview-tag{background:#f2f5f9;color:#617184;border-radius:100px;padding:9px 13px;white-space:nowrap;font-size:11px}.preview-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:24px 0 12px;flex-wrap:wrap}.data-tabs{display:flex;gap:7px}.data-tab{border:1px solid #e3e9ef;background:#f7fafc;border-radius:8px;padding:10px 14px;color:#5d6d80;font-weight:700}.data-tab.active{background:#e7faf5;border-color:#21b69f;color:#168a78}.data-tab span{opacity:.65;margin-left:3px}#data-search{border:1px solid #dbe5ed;background:white;border-radius:8px;padding:11px 12px;min-width:260px;max-width:100%;color:#24374b}.raw-table-wrap{overflow:auto;border:1px solid #e8edf2;border-radius:8px}.raw-table{width:100%;font-size:12px;white-space:nowrap}.raw-table th{text-align:left;background:#f3f7f9;padding:13px 12px}.raw-table td{text-align:left;padding:12px;color:#405367}.raw-table tbody tr{cursor:default}.raw-table tbody tr:nth-child(even){background:#fafcfd}.raw-table tbody tr:hover{background:#f1faf8}.raw-table .empty-row{text-align:center;padding:32px}.preview-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:14px;font-size:12px;color:#7d8da0}.page-controls{display:flex;align-items:center;gap:12px}.page-controls button{background:white;border:1px solid #dce5ec;border-radius:7px;padding:9px 12px;color:#36546a}.page-controls button:disabled{opacity:.4;cursor:not-allowed}.preview-tip{background:#f4faf8;border-left:3px solid #25b9a4;padding:11px 14px;margin:18px 0 0;color:#54726d;font-size:12px;line-height:1.7}@media(max-width:760px){.data-preview{padding:18px}.preview-head{display:block}.preview-tag{display:inline-block;margin-top:13px}.preview-head h2{font-size:19px}#data-search{width:100%}.preview-bottom{flex-wrap:wrap}.data-tab{padding:9px 10px}}
.upload-zone{background:#fff;border:1px solid #e5eaf1;border-radius:19px;padding:28px;margin:24px 0;box-shadow:0 10px 26px rgba(20,46,72,.06)}
.upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}.upload-field{display:flex;flex-direction:column;gap:12px;padding:19px;border:2px dashed #c6d7e1;border-radius:14px;color:#1a3b52;font-weight:700;background:#f7fbfd}.upload-field input{width:100%;max-width:100%;font-size:13px}.upload-field small{color:#6b8190;font-weight:400}.upload-actions{display:flex;align-items:center;gap:16px;margin-top:17px;flex-wrap:wrap}#load-status{font-size:13px;color:#607383}.ai-analysis{margin-top:18px;padding:22px}.ai-analysis .ai-narrative{display:block;white-space:pre-wrap;line-height:1.9;font-size:15px;color:#26465e;background:#f2f9fa;padding:20px;border-radius:12px}.ai-required{font-size:13px;color:#536d7f}.ai-analysis .paper-title{margin-bottom:12px}button:disabled{opacity:.5;cursor:not-allowed}
@media(max-width:760px){.upload-grid{grid-template-columns:1fr}.upload-zone{padding:16px}}
[hidden]{display:none!important}

/* V2.3: Markdown document layout for OpenAI response */
.ai-analysis .ai-narrative{white-space:normal;overflow-wrap:anywhere;line-height:1.85;font-size:15px;padding:24px 28px;color:#26465e}
.ai-narrative h1,.ai-narrative h2,.ai-narrative h3,.ai-narrative h4,.ai-narrative h5,.ai-narrative h6{color:#163b50;line-height:1.45;margin:1.4em 0 .65em;font-weight:750}
.ai-narrative h1{font-size:22px;border-bottom:1px solid #cee4e6;padding-bottom:10px;margin-top:0}
.ai-narrative h2{font-size:19px;border-bottom:1px solid #deeaee;padding-bottom:8px}
.ai-narrative h3{font-size:17px}.ai-narrative h4{font-size:16px}
.ai-narrative p{margin:.75em 0}.ai-narrative ul,.ai-narrative ol{padding-left:1.65em;margin:.6em 0 1.1em}.ai-narrative li{margin:.35em 0}
.ai-narrative strong{color:#163b50;font-weight:750}.ai-narrative hr{border:0;border-top:1px solid #d7e6eb;margin:24px 0}
.ai-narrative .md-table-wrap{max-width:100%;overflow-x:auto;margin:16px 0 24px;border:1px solid #d8e7eb;border-radius:10px;background:#fff}
.ai-narrative table{border-collapse:collapse;min-width:580px;width:100%;font-size:13px;line-height:1.6}
.ai-narrative th,.ai-narrative td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid #e4edf1;white-space:normal}
.ai-narrative th{background:#e8f5f4;font-weight:750;color:#204c56}.ai-narrative tr:last-child td{border-bottom:0}.ai-narrative tbody tr:nth-child(even){background:#f9fcfd}
.ai-narrative blockquote{border-left:4px solid #28b7a8;padding:9px 15px;background:#e9f7f5;color:#385c65;margin:14px 0}
.ai-narrative pre{background:#203645;color:#e9f4f7;border-radius:8px;padding:15px;overflow-x:auto;line-height:1.6}.ai-narrative :not(pre)>code{background:#e0edee;padding:2px 5px;border-radius:4px}.ai-narrative a{color:#087b83;text-decoration:underline}
@media(max-width:760px){.ai-analysis .ai-narrative{padding:17px 14px}.ai-narrative h1{font-size:19px}.ai-narrative h2{font-size:17px}}

/* V2.5 Guided stages */
.stage-progress{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0 0}.stage-progress span{padding:10px 15px;border:1px solid #dbe6ea;border-radius:999px;background:#f5f8fa;color:#718692;font-weight:700;font-size:13px}.stage-progress span.current{background:#e2f5f1;color:#0a766d;border-color:#58c5b7}.stage-progress span.complete{background:#f2faf8;color:#2e8276;border-color:#d0eae4}.step-action{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:20px}.step-action span{font-size:13px;color:#728694}#workspace[hidden],#data-preview[hidden],#metrics[hidden]{display:none!important}.nav-item[hidden]{display:none!important}

/* V2.6 bottom controls */
.bottom-controls{background:#fff;border:1px solid #e4eaf0;border-radius:13px;padding:21px 26px;margin-top:23px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.bottom-controls strong{font-size:16px;color:#1d3e52}.bottom-controls p{margin:7px 0;color:#8395a1;font-size:12px}.bottom-controls small{width:100%;color:#748895;font-size:11px}.bottom-control-buttons{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.secondary-action{background:#fff;border:1px solid #b5cad3;border-radius:7px;padding:12px 19px;font-weight:750;color:#385468}.secondary-action:hover{background:#f1f7f8}@media(max-width:760px){.bottom-controls{padding:19px}.bottom-control-buttons{width:100%}.bottom-control-buttons button{flex:1;justify-content:center}}