:root{--bg:#07070f;--bg-card:#0f0f1e;--border:hsla(0,0%,100%,.08);--text:#e8e8f0;--text-muted:#a0a0b8;--text-dim:#5a5a78;--teal:#00f5d4;--green:#22c55e;--amber:#f59e0b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.h-upload{justify-content:center;height:100vh}.h-upload,.h-upload-box{display:flex;align-items:center}.h-upload-box{text-align:center;padding:48px 40px;border:1px solid var(--border);border-radius:12px;max-width:440px;width:100%;flex-direction:column;gap:12px;background:var(--bg-card)}.h-upload-icon{font-size:44px;line-height:1}.h-upload-box h2{font-size:18px;font-weight:700;margin:0}.h-upload-box p{font-size:13px;color:var(--text-muted);margin:0;line-height:1.5}.h-progress{width:100%;height:6px;background:var(--border);border-radius:4px;overflow:hidden;margin-top:4px}.h-progress-bar{height:100%;background:var(--teal);border-radius:4px;transition:width .3s ease}.h-layout{display:flex;height:100vh;overflow:hidden}.h-topbar{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;border-bottom:1px solid var(--border);background:var(--bg-card)}.h-back{font-size:11px;color:var(--text-dim);text-decoration:none;transition:color .15s}.h-back:hover{color:var(--teal)}.h-brand{font-size:11px;font-weight:700;color:var(--text-muted);letter-spacing:.06em}.h-sidebar{width:340px;min-width:260px;border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}.h-search-bar{padding:12px;border-bottom:1px solid var(--border)}.h-input{width:100%;padding:9px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:13px;outline:none;font-family:inherit;transition:border-color .15s}.h-input:focus{border-color:var(--teal)}.h-meta{padding:5px 12px;font-size:11px;color:var(--text-dim);border-bottom:1px solid var(--border)}.h-results{flex:1;overflow-y:auto}.h-result-group{padding:8px 14px 6px;border-bottom:1px solid var(--border);background:hsla(0,0%,100%,.025);color:var(--text-dim);font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.h-result-block{display:block}.h-empty{padding:32px 16px;font-size:13px;color:var(--text-dim);text-align:center;line-height:1.6}.h-result-item{width:100%;text-align:left;padding:10px 14px;border:none;border-bottom:1px solid var(--border);background:transparent;cursor:pointer;color:var(--text);transition:background .1s;font-family:inherit}.h-result-item:hover{background:hsla(0,0%,100%,.03)}.h-result-item.active{background:rgba(0,245,212,.06)}.h-result-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;margin-bottom:2px}.h-result-title{font-size:13px;font-weight:600;margin-bottom:2px}.h-result-badge{flex:0 0 auto;padding:2px 5px;border-radius:4px;border:1px solid var(--border);color:var(--text-dim);font-size:9px;font-weight:700;line-height:1.2;text-transform:uppercase}.h-result-badge.topic{border-color:rgba(0,245,212,.28);color:var(--teal);background:rgba(0,245,212,.06)}.h-result-part{font-size:10px;color:var(--teal);text-transform:uppercase;letter-spacing:.06em;margin-bottom:3px}.h-result-meta{font-size:11px;color:var(--text-dim);margin-bottom:4px}.h-result-snippet{font-size:11px;color:var(--text-muted);line-height:1.5}.h-result-snippet mark{background:rgba(0,245,212,.18);color:var(--teal);border-radius:2px;padding:0 2px}.h-detail{flex:1;overflow-y:auto;display:flex;flex-direction:column;min-width:0}.h-detail-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-dim);font-size:14px;text-align:center;padding:40px}.h-detail-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 28px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg);z-index:1}.h-detail-title{font-size:17px;font-weight:700;line-height:1.3;margin-bottom:4px}.h-detail-part{font-size:10px;color:var(--teal);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}.h-detail-meta{font-size:12px;color:var(--text-dim)}.h-summary{margin:16px 28px 0;padding:16px 18px;border:1px solid rgba(0,245,212,.2);border-radius:8px;background:rgba(0,245,212,.04)}.h-summary-label{font-size:10px;font-weight:700;color:var(--teal);text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}.h-summary-body{line-height:1.75;color:var(--text)}.h-summary-body,.h-text{font-size:13px;white-space:pre-wrap}.h-text{padding:20px 28px 60px;line-height:1.85;color:var(--text-muted)}.h-btn,.h-text{font-family:inherit}.h-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:6px;font-size:12px;font-weight:600;cursor:pointer;border:none;transition:opacity .15s}.h-btn:disabled{opacity:.4;cursor:not-allowed}.h-btn-primary{background:var(--teal);color:#07070f}.h-btn-primary:hover:not(:disabled){opacity:.85}.h-btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text-muted)}.h-btn-ghost:hover:not(:disabled){background:hsla(0,0%,100%,.05)}