:root{--bg:#f7f7f3;--surface:#fff;--ink:#17211f;--muted:#66736f;--border:#dce3df;--teal:#0e6b62;--teal-dark:#084c46;--teal-tint:#e5f1ef;--amber:#b66a18;--amber-tint:#fff3de;--shadow:0 6px 24px #17211f0f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.55 Inter,ui-sans-serif,system-ui,sans-serif;-webkit-font-smoothing:antialiased}.app-shell{display:flex;height:100vh;overflow:hidden}.rail{width:280px;flex:0 0 280px;border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px}.brand{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:700;letter-spacing:.09em;margin-bottom:30px}.brand-mark{display:grid;place-items:center;width:32px;height:32px;background:var(--teal);color:#fff;border-radius:7px;font-size:22px}.mode-switch{background:var(--border);border-radius:7px;padding:4px;display:flex;margin-bottom:20px}.mode{border:0;background:transparent;color:var(--muted);border-radius:6px;padding:8px 7px;flex:1;font:600 11px inherit;cursor:pointer}.mode.active{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px #17211f14}.status-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:15px;box-shadow:var(--shadow);margin-bottom:28px}.status-title{display:flex;align-items:center;gap:8px;color:var(--teal);font-size:10px;font-weight:700;letter-spacing:.1em}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--teal);display:inline-block}.status-card p{color:var(--muted);font-size:12px;line-height:1.5;margin:8px 0 13px}.progress-label{display:flex;justify-content:space-between;color:var(--muted);font-size:10px}.progress{height:4px;background:var(--border);border-radius:8px;margin-top:5px;overflow:hidden}.progress i{display:block;width:100%;height:100%;background:var(--teal)}.server-state{color:var(--amber);font-size:11px}.hidden{display:none}.section-label{display:flex;justify-content:space-between;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.12em;padding:0 4px;margin-bottom:8px}.section-label button,.ghost{border:0;background:transparent;color:var(--muted);font-size:18px;cursor:pointer}.recent{display:grid;gap:4px}.recent-item{border:0;border-radius:7px;background:transparent;text-align:left;color:var(--muted);padding:9px 10px;font:500 12px inherit;cursor:pointer}.recent-item:hover,.recent-item.selected{background:var(--teal-tint);color:var(--teal)}.rail-footer{border-top:1px solid var(--border);margin-top:auto;padding-top:18px;display:flex;align-items:center;gap:9px}.avatar{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--teal-tint);color:var(--teal);font-weight:700}.rail-footer div{min-width:0;flex:1}.rail-footer strong,.rail-footer small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rail-footer strong{font-size:11px}.rail-footer small{color:var(--muted);font-size:10px}.chat-pane{min-width:0;flex:1;display:flex;flex-direction:column}.topbar{height:64px;background:#fffD;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;padding:0 30px}.topbar strong{font-size:13px}.badge,.count{display:inline-block;border:1px solid #0e6b6230;border-radius:999px;background:var(--teal-tint);color:var(--teal);font-size:9px;font-weight:700;letter-spacing:.05em;padding:3px 7px;margin-left:9px}.connection{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:11px}.connection .ghost{margin-left:12px}.transcript{overflow:auto;flex:1;padding:58px 24px}.welcome{max-width:680px;margin:8vh auto 0}.welcome-kicker{font-size:10px;letter-spacing:.15em;color:var(--teal);font-weight:700}.welcome h1{font-size:34px;line-height:1.15;letter-spacing:-.04em;margin:13px 0 12px}.welcome>p{color:var(--muted);font-size:16px;max-width:480px}.mode-cards{display:flex;gap:10px;margin-top:30px}.mode-cards button{flex:1;border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:15px;text-align:left;box-shadow:var(--shadow);cursor:pointer}.mode-cards button:hover{border-color:var(--teal)}.mode-cards b,.mode-cards span{display:block}.mode-cards b{font-size:12px}.mode-cards span{color:var(--muted);font-size:11px;margin-top:5px}.message{max-width:720px;margin:0 auto 36px}.message .label{font-size:10px;font-weight:700;letter-spacing:.13em;color:var(--muted);margin-bottom:8px}.message.assistant .label{color:var(--teal)}.message p{font-size:15px;line-height:1.7;margin:0 0 12px}.message.user p{font-size:16px}.citation{display:inline-grid;place-items:center;background:var(--teal-tint);color:var(--teal);border:1px solid #0e6b6230;border-radius:50%;width:20px;height:20px;font-size:10px;font-weight:700;vertical-align:2px;cursor:pointer}.composer{max-width:720px;width:calc(100% - 48px);margin:0 auto 24px;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);padding:13px;display:flex;gap:10px;align-items:flex-end}.composer:focus-within{border-color:var(--teal)}textarea{resize:none;flex:1;border:0;outline:0;background:transparent;color:var(--ink);font:14px inherit;min-height:32px;max-height:120px}.send{border:0;border-radius:7px;background:var(--teal);color:#fff;padding:9px 14px;font:600 12px inherit;cursor:pointer}.send:hover{background:var(--teal-dark)}.composer-note{position:absolute;transform:translateY(44px);font-size:10px;color:var(--muted)}.sources{width:360px;flex:0 0 360px;border-left:1px solid var(--border);background:var(--surface);display:flex;flex-direction:column}.sources header{height:64px;border-bottom:1px solid var(--border);padding:0 23px;display:flex;align-items:center;justify-content:space-between}.sources header strong{font-size:10px;letter-spacing:.13em}.source-icon{color:var(--teal);font-size:16px;margin-right:8px}.count{margin:0;background:var(--amber-tint);border-color:#b66a1830;color:var(--amber);font-size:9px}.source-list{padding:22px;overflow:auto;flex:1}.empty-sources{color:var(--muted);font-size:12px;padding:18px 0}.source-card{position:relative;border:1px solid var(--border);border-radius:10px;padding:15px;margin:0 0 16px}.source-card .rank{position:absolute;left:-9px;top:15px;width:20px;height:20px;display:grid;place-items:center;border-radius:50%;background:var(--teal);color:#fff;font-size:10px;font-weight:700}.source-card h3{font-size:13px;line-height:1.3;margin:0 0 7px;padding-left:5px}.source-card .source-url{color:var(--muted);font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.source-card p{color:var(--muted);font-size:11px;line-height:1.55;margin:10px 0 0}.sources footer{border-top:1px solid var(--border);padding:18px 22px;color:var(--muted);font-size:10px;line-height:1.5}@media(max-width:1050px){.sources{display:none}}@media(max-width:680px){.rail{width:100%;height:auto;flex:none;padding:14px;display:block;border-right:0;border-bottom:1px solid var(--border)}.app-shell{display:block;height:auto;min-height:100vh;overflow:auto}.brand{display:inline-flex;margin:0 14px 0 0}.mode-switch{display:inline-flex;margin:0;width:210px;vertical-align:middle}.status-card,.section-label,.recent,.rail-footer{display:none}.chat-pane{min-height:calc(100vh - 70px)}.topbar{padding:0 16px}.connection{display:none}.transcript{padding:30px 16px}.welcome{margin-top:7vh}.welcome h1{font-size:29px}.mode-cards{display:grid}.composer{width:calc(100% - 24px);margin-bottom:18px}}
:root{--bg:#f7f7f3;--surface:#fff;--ink:#17211f;--muted:#66736f;--border:#dce3df;--teal:#0e6b62;--teal-dark:#084c46;--teal-tint:#e5f1ef;--amber:#b66a18;--amber-tint:#fff3de;--shadow:0 6px 24px #17211f0f}[data-theme=dark]{--bg:#111817;--surface:#192320;--ink:#e9f0ed;--muted:#9aaba5;--border:#30413c;--teal:#55b8aa;--teal-dark:#8bddd0;--teal-tint:#173b36;--amber:#e4a354;--amber-tint:#3b2c1d;--shadow:0 8px 28px #0008}.theme-toggle{border:1px solid var(--border);background:var(--surface);color:var(--ink);border-radius:999px;width:29px;height:29px;cursor:pointer;font-size:15px;margin-left:10px}.theme-toggle:hover{border-color:var(--teal);color:var(--teal)}
[data-theme=dark] .topbar{background:var(--surface)}[data-theme=dark] .mode.active{background:var(--surface)}
[data-theme=dark] .topbar{background:var(--surface)}[data-theme=dark] .mode.active{background:var(--surface)}.server-progress{height:4px;background:var(--border);border-radius:8px;overflow:hidden;margin-top:8px}.server-progress i{display:block;width:5%;height:100%;background:var(--amber);transition:width .3s ease}
.typing-dots{display:inline-flex;gap:4px;padding:4px 0}.typing-dots i{width:6px;height:6px;border-radius:50%;background:var(--muted);display:inline-block;animation:typing-bounce 1.1s infinite ease-in-out}.typing-dots i:nth-child(2){animation-delay:.15s}.typing-dots i:nth-child(3){animation-delay:.3s}@keyframes typing-bounce{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}
.welcome{max-width:720px;margin:0 auto 36px}.welcome h1{margin-top:20px}.welcome>p{margin:0}@media(max-width:680px){.welcome{margin:0 auto 30px}}