:root{--bg: #16213a;--panel: #5888f0;--card: #4a78dc;--text: #ffffff;--accent: #90d0f0;--online: #58c07a;--warning: #ffd166;--danger: #f82838;font-family:Segoe UI,system-ui,sans-serif;color:var(--text)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}.app{min-height:100vh;display:flex;flex-direction:column}header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--panel)}header h1{margin:0;font-size:20px;font-weight:600}.tag{font-size:12px;background:#fff3;padding:2px 8px;border-radius:10px;margin-left:8px;vertical-align:middle}.conn{font-size:14px;padding:4px 10px;border-radius:12px;background:#00000040}.conn.connected{background:var(--online);color:#103}.conn.reconnecting,.conn.connecting{background:var(--warning);color:#321}main{display:grid;grid-template-columns:320px 1fr;gap:16px;padding:16px;flex:1}@media(max-width:800px){main{grid-template-columns:1fr}}aside{display:flex;flex-direction:column;gap:12px}.card{background:var(--card);border-radius:14px;padding:14px}.card h2{margin:0 0 10px;font-size:16px;display:flex;justify-content:space-between;align-items:center}.card.incoming{background:var(--accent);color:#16213a;animation:pulse 1s infinite alternate}@keyframes pulse{0%{box-shadow:0 0 #90d0f099}to{box-shadow:0 0 0 10px #90d0f000}}label{display:block;font-size:13px;margin-bottom:10px}input,select{width:100%;margin-top:4px;padding:8px;border-radius:8px;border:none;font-size:14px}button{border:none;border-radius:10px;padding:9px 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0}.session{background:var(--bg);color:var(--text);height:100vh;min-height:0;overflow:hidden}.session-head{display:flex;align-items:center;gap:10px;padding:12px 20px;background:var(--panel);font-size:15px}.session-head .rec{width:10px;height:10px;border-radius:50%;background:var(--danger);box-shadow:0 0 0 3px #f8283840}.session-head .session-state{color:#ffffffbf;font-size:13px}.session-head .timer{margin-left:auto;font-variant-numeric:tabular-nums;color:#ffffffd9}.session-head .fs{display:flex;align-items:center;gap:6px;background:#ffffff29;border:1px solid rgba(255,255,255,.3);color:var(--text);border-radius:8px;padding:6px 10px;font-size:12px;margin-left:8px}.session:fullscreen{background:var(--bg);overflow:auto}.session-body{display:grid;grid-template-columns:104px 1fr 250px;grid-template-rows:minmax(0,1fr);gap:14px;padding:14px 20px;flex:1;min-height:0}.session .tools{max-height:100%;overflow:auto}.session .docs{align-self:stretch;min-height:0;overflow:auto}@media(max-width:900px){.session-body{grid-template-columns:104px 1fr}.session .docs{grid-column:1 / -1}}.tools{display:flex;flex-direction:column;gap:8px;align-items:stretch;background:var(--card);border-radius:14px;padding:12px 10px;align-self:start}.tools small,.docs h3{color:#ffffffbf;font-size:12px;margin:0 0 2px;font-weight:600}.tools .tool{background:#ffffff24;color:var(--text);border:1px solid rgba(255,255,255,.25);border-radius:10px;padding:8px 4px;font-size:12px;display:flex;flex-direction:column;align-items:center;gap:4px}.tools .tool.active{background:var(--accent);color:#16213a;border-color:#ffffffd9}.tools .tool:disabled{opacity:.4}.colors{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;padding:2px 6px}.swatch{width:100%;aspect-ratio:1;border-radius:50%;border:2px solid rgba(255,255,255,.6);padding:0}.swatch.active{box-shadow:0 0 0 3px var(--card),0 0 0 5px #fff}.session .video-wrap{aspect-ratio:auto;height:100%;min-height:0;background:#0f1830;border:1px solid rgba(255,255,255,.18)}.video-label{position:absolute;left:12px;top:10px;font:600 11px/1 Consolas,monospace;letter-spacing:.06em;color:#ffffffb3;text-transform:uppercase}.video-hint{position:absolute;left:12px;bottom:12px;background:#16213ad9;color:#fff;font-size:12px;padding:6px 10px;border-radius:6px;pointer-events:none}.pip-wrap{position:absolute;right:12px;bottom:12px;width:180px;aspect-ratio:4 / 3;border-radius:10px;overflow:hidden;border:2px solid rgba(255,255,255,.6);background:#0f1830}.pip-wrap .pip{position:static;width:100%;height:100%;border:none;border-radius:0}.pip-off{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12px;color:#ffffffbf}.docs{display:flex;flex-direction:column;gap:10px;background:var(--card);border-radius:14px;padding:12px;align-self:start}.dropzone{border:1px dashed rgba(255,255,255,.6);border-radius:10px;padding:18px 12px;text-align:center;color:var(--text);font-size:13px;background:#ffffff0f}.dropzone.over{border-color:var(--accent);background:#90d0f033}.dropzone .ico{color:var(--accent);display:flex;justify-content:center}.dropzone p{margin:6px 0 10px}button.outline{background:var(--accent);color:#16213a;font-weight:600;font-size:12px;padding:7px 14px}.doclist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.doclist li{background:#ffffff1f;border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:8px 10px;display:flex;flex-direction:column;font-size:13px}.doclist li .name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.doclist li small{color:#ffffffbf}.doclist li.error small{color:#ffb4b4}.doclist li.empty{border-style:dashed;color:#fff9;background:transparent}.session-bar{display:flex;justify-content:center;gap:12px;padding:12px 20px 16px;background:var(--panel)}.session-bar button{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;min-width:84px;padding:8px 12px}.session-bar .round{background:#ffffff29;border:1px solid rgba(255,255,255,.3);color:var(--text)}.session-bar .round.off{background:#f8283840;border-color:var(--danger)}.session-bar .end{font-weight:600}.session .diag{padding:0;margin-top:auto;color:#fffc;font-size:12px}.session-bar .rec svg{color:#ff6b6b}.session-bar .rec.on{background:#f8283859;border-color:var(--danger);animation:pulse 1s infinite alternate}.card.ended{border:1px solid var(--accent)}.diag summary{cursor:pointer;opacity:.8}