:root{color-scheme:dark;--bg:#0c1219;--panel:#151e28;--line:#2a3948;--blue:#49a5f7;--text:#e9f2fa;--muted:#8fa2b5}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font:14px Inter,system-ui,sans-serif;overflow:hidden}button,textarea,input{font:inherit}button{color:var(--text);background:#1e2b37;border:1px solid #344759;border-radius:5px;padding:7px 11px;cursor:pointer}button:hover{border-color:var(--blue)}header{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line);background:#101821}header strong{font-size:20px;letter-spacing:2px}header strong span{color:var(--blue)}nav{display:flex;gap:7px}main{height:calc(100vh - 56px);min-height:0;overflow:hidden;display:grid;grid-template-columns:280px minmax(0,1fr) 320px;min-width:0}.left,.assistant{background:var(--panel);min-width:0;min-height:0}.left{border-right:1px solid var(--line);display:grid;grid-template-rows:minmax(150px,2fr) minmax(220px,3fr)}.left section{padding:14px;overflow:auto;border-bottom:1px solid var(--line)}h2{font-size:12px;text-transform:uppercase;letter-spacing:1.3px;color:#9fb1c2;margin:0 0 14px}.tree button{width:100%;text-align:left;margin:2px 0;border:0;background:transparent}.tree button.active{background:#263c50}.feature-detail{display:block;color:var(--muted);font-size:11px;margin:3px 0 0 20px}.muted,small{color:var(--muted)}.parameters label{display:block;margin:10px 0}.parameters input{width:100%;margin-top:4px;padding:7px;border:1px solid #344759;background:#0e1720;color:white;border-radius:4px}.parameters input[type=checkbox]{width:auto;margin-left:8px;vertical-align:middle}.feature-metadata{margin:10px 0 12px;padding:8px;background:#101923;border-radius:5px;font-size:12px}.feature-metadata div{display:flex;justify-content:space-between;gap:8px}.feature-metadata dt{color:var(--muted)}.feature-metadata dd{margin:0;overflow-wrap:anywhere}.parameter-group{min-width:0;margin:9px 0;padding:7px 9px 9px;border:1px solid #304252;border-radius:5px}.parameter-group .parameter-group{margin-left:3px;background:#111b24}.parameter-group legend{padding:0 5px;color:#a9bfd2;font-size:12px}.parameter-field{overflow-wrap:anywhere}.viewport{position:relative;min-width:0;overflow:hidden}#viewer{position:absolute;inset:0;overflow:hidden}#viewer canvas{display:block;width:100%!important;height:100%!important;max-width:100%;max-height:100%}.view-tools{position:absolute;z-index:3;left:12px;top:12px;display:flex;gap:5px;max-width:calc(100% - 24px);flex-wrap:wrap}.view-tools button{padding:5px 8px;background:#14202bcc}.view-tools button.active,.view-tools button[aria-pressed="true"]{border-color:#49a5f7;background:#17486e;color:#fff}#empty{position:absolute;z-index:2;inset:20% 12%;text-align:center;pointer-events:none}#empty h1{font-size:29px}.chips{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;pointer-events:auto}.chips button{border-radius:18px}.assistant{position:relative;z-index:2;border-left:1px solid var(--line);padding:15px;display:flex;flex-direction:column;min-height:0;overflow:hidden}.assistant #messages{flex:1 1 0;min-height:0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}.ai,.user{padding:10px 12px;border-radius:8px;margin:8px 0;white-space:pre-wrap}.ai{background:#1d2c39}.user{background:#17486e;margin-left:24px}.assistant form,.assistant small,.assistant h2{flex:0 0 auto}form{display:grid;gap:8px}textarea{height:110px;resize:vertical;border:1px solid #344759;border-radius:7px;background:#0d161f;color:white;padding:10px}#send{background:#1677c8;border-color:#2494ee;font-weight:700}small{display:block;margin-top:9px;line-height:1.4}#progress{position:absolute;z-index:5;bottom:18px;left:50%;transform:translateX(-50%);background:#101a24e8;border:1px solid var(--blue);padding:10px 18px;border-radius:20px}@media(max-width:900px){body{overflow:auto}header{height:auto;gap:10px;align-items:flex-start;padding:12px;flex-direction:column}nav{flex-wrap:wrap}main{height:auto;overflow:visible;grid-template-columns:1fr}.viewport{height:60vh;grid-row:1}.left{height:400px}.assistant{height:500px}}

.ai[data-revision]::after,.user[data-revision]::after{content:attr(data-revision);display:block;margin-top:6px;color:var(--muted);font-size:10px;text-align:right}
.chat-actions{display:grid;grid-template-columns:auto 1fr;gap:8px}.chat-actions #voice{white-space:nowrap}.chat-actions #voice.listening{border-color:#ff6b6b;background:#642b35;animation:voice-pulse 1.2s ease-in-out infinite}.message-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}.message-actions button{background:#203f58;border-color:#3d7198;font-size:12px}@keyframes voice-pulse{50%{box-shadow:0 0 0 4px #ff6b6b33}}@media(max-width:420px){.chat-actions{grid-template-columns:1fr}.chat-actions #voice{white-space:normal}}
.pipeline-status{display:flex;align-items:flex-start;gap:9px;margin:8px 0;padding:9px 11px;border:1px dashed #40515f;border-radius:8px;background:#151d24;color:#9aa9b6;animation:pipeline-fade .2s ease-out}.pipeline-status strong{display:block;color:#aebbc6;font-size:12px;font-weight:600}.pipeline-status small{margin:2px 0 0;color:#7f909f;font-size:11px}.pipeline-mark{display:inline-block;color:#718494;animation:pipeline-spin 1.2s linear infinite}@keyframes pipeline-spin{to{transform:rotate(360deg)}}@keyframes pipeline-fade{from{opacity:0;transform:translateY(3px)}}
#face-selection{position:absolute;z-index:4;left:12px;bottom:12px;width:min(290px,calc(100% - 24px));padding:10px;border:1px solid #d6a73d;border-radius:7px;background:#18212beF;box-shadow:0 5px 20px #0008}#face-selection strong{display:block;color:#ffd278;margin-bottom:7px}#face-selection label{display:block;color:var(--muted);font-size:12px}#face-selection input{width:100%;margin:4px 0 8px;padding:6px;border:1px solid #53606d;border-radius:4px;background:#0d161f;color:white}#face-selection div{display:flex;gap:6px}#face-selection small{margin-top:7px;font-size:11px}
#api-settings{flex:0 0 auto;margin-top:8px;padding:7px 9px;border:1px solid var(--line);border-radius:6px;background:#111a23}#api-settings summary{cursor:pointer;color:#a9bfd2;font-size:12px}#api-settings label{display:block;margin-top:8px;color:var(--muted);font-size:11px}#api-settings div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px;margin-top:4px}#api-settings input{min-width:0;padding:7px;border:1px solid #344759;border-radius:4px;background:#0d161f;color:white}#api-settings small{margin-top:6px;font-size:10px}
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.exercise-list li button{grid-template-columns:35px minmax(0,1fr) auto;align-items:center}.exercise-result{display:grid!important;place-items:center;width:22px;height:22px;margin:0!important;border-radius:50%;font-size:18px!important;font-weight:800;line-height:1}.exercise-result.correct{color:#9af0c7;background:#145c3d}.exercise-result.incorrect{color:#ffd0d0;background:#7c2730}