:root{--bg: #0e0f13;--surface: #171922;--surface-2: #1f222e;--line: #2a2e3d;--text: #e8eaf2;--muted: #9aa1b8;--accent: #7c8cff;--good: #45d19a;--bad: #ff6b6b;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Inter,sans-serif}.shell{max-width:780px;margin:0 auto;padding:48px 24px}.shell.reading{max-width:none;height:100vh;padding:16px 20px;display:flex;flex-direction:column;gap:12px}.masthead{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.eyebrow{margin:0;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}h1{margin:4px 0 0;font-size:22px}.shell:not(.reading) h1{font-size:32px}.lede,.sub{margin:6px 0 0;color:var(--muted)}.sub{font-size:13px}.open-step{margin-top:36px;display:grid;gap:18px}.drop{display:grid;gap:6px;justify-items:center;text-align:center;padding:44px 24px;border:1px dashed var(--line);border-radius:14px;background:var(--surface);cursor:pointer}.drop:hover{border-color:var(--accent)}.drop.busy{opacity:.6;pointer-events:none}.drop input{display:none}.drop span{color:var(--muted);font-size:13px}.or{text-align:center;color:var(--muted);font-size:13px}.url-row{display:flex;gap:8px}.url-row input{flex:1}.reader{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:16px}.doc-scroll{overflow-y:auto;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}.pdf-page{position:relative;margin:0 auto 20px;width:fit-content;background:#fff;border-radius:6px;overflow:hidden}.pdf-page canvas{display:block}.pdf-page-no{position:absolute;right:8px;bottom:6px;font-size:11px;color:#999}.html-body{max-width:68ch;margin:0 auto}.html-body img{max-width:100%;height:auto;border-radius:6px}.html-body a{color:var(--accent)}.html-body pre{overflow-x:auto;background:var(--surface-2);padding:12px;border-radius:8px}.html-body table{width:100%;border-collapse:collapse}.html-body td,.html-body th{border:1px solid var(--line);padding:6px 8px}.panel{display:flex;flex-direction:column;min-height:0;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px}.panel-intro{display:grid;gap:10px;justify-items:start}.panel-intro h2{margin:0;font-size:17px}.panel-intro p{margin:0;color:var(--muted);font-size:13px}.panel-bar{display:flex;align-items:center;gap:8px}.status{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);margin-right:auto}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--muted)}.status.live .status-dot{background:var(--good)}.status.bad .status-dot{background:var(--bad)}.transcript{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:8px}.bubble{padding:8px 11px;border-radius:12px;font-size:14px;max-width:92%;white-space:pre-wrap}.bubble.user{align-self:flex-end;background:var(--accent);color:#10121b}.bubble.assistant{align-self:flex-start;background:var(--surface-2)}.bubble.partial{opacity:.65}.empty{color:var(--muted);font-size:13px}.tools{font-size:12px;color:var(--muted)}.tools ul{margin:6px 0 0;padding-left:16px}.tool-status{margin-left:6px}.tool-status.ok{color:var(--good)}.tool-status.error{color:var(--bad)}.composer{display:flex;gap:8px}.composer input{flex:1}input[type=text],input[type=password],input:not([type]){background:var(--surface-2);border:1px solid var(--line);border-radius:8px;color:var(--text);padding:8px 10px;font:inherit;font-size:14px;min-width:0}input:focus{outline:1px solid var(--accent)}.btn{border:1px solid var(--line);background:var(--surface-2);color:var(--text);border-radius:8px;padding:8px 13px;font:inherit;font-size:14px;cursor:pointer}.btn:hover:not(:disabled){border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--accent);border-color:var(--accent);color:#10121b;font-weight:600}.btn-ghost{background:transparent}.settings{border-top:1px solid var(--line);padding-top:10px;font-size:13px}.settings summary{cursor:pointer;color:var(--muted)}.field{display:grid;gap:4px;margin-top:10px}.field label{font-size:12px;color:var(--muted)}.unlock{display:grid;gap:6px;padding:22px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.unlock strong{font-size:15px}.unlock>span{font-size:13px;color:var(--muted)}.unlock .url-row{margin-top:10px}.unlock-error{margin:0;font-size:13px;color:var(--bad)}.field-note{margin:10px 0 0;font-size:12px;color:var(--muted);line-height:1.5}.field-note code{font-size:11px;background:var(--surface-2);padding:1px 4px;border-radius:4px}.err{background:#ff6b6b1f;border:1px solid rgba(255,107,107,.35);color:#ffbcbc;border-radius:8px;padding:9px 12px;font-size:13px}@media (max-width: 900px){.reader{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) minmax(240px,40vh)}}