*{box-sizing:border-box}:root{color-scheme:dark;--bg: #16181d;--card: #20242c;--text: #e8eaed;--muted: #8b919c;--accent: #4c8dff;--ok: #3ecf8e;--fail: #ff6b6b}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,PingFang SC,Microsoft YaHei,system-ui,sans-serif;line-height:1.6}#root{padding:24px 16px 64px}.page{max-width:640px;margin:0 auto}h1{font-size:40px;margin:32px 0 4px}h2{margin:8px 0}h3{margin:28px 0 8px;color:var(--muted);font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}button{background:#2c313b;color:var(--text);border:1px solid #3a404c;border-radius:10px;padding:10px 20px;font-size:16px;cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.4;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.ghost{background:transparent;border-color:transparent;color:var(--muted)}button.xl{font-size:22px;padding:16px 48px;margin:24px 0}label{display:block;margin:12px 0;color:var(--muted);font-size:14px}input,select{display:block;width:100%;margin-top:4px;background:var(--card);color:var(--text);border:1px solid #3a404c;border-radius:8px;padding:10px 12px;font-size:16px}.muted{color:var(--muted)}.small{font-size:13px}.error-text{color:var(--fail)}.ok-text{color:var(--ok)}.test-log{color:var(--fail);font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;white-space:pre-wrap;word-break:break-all;background:var(--card);border-radius:8px;padding:10px 12px;max-height:220px;overflow-y:auto}.card{background:var(--card);border-radius:14px;padding:20px;margin:14px 0}.center{text-align:center}.page-header,.session-header{display:flex;justify-content:space-between;align-items:center;gap:12px}.session-header .muted{font-size:14px}.scenario-name{font-size:15px}.partner-line{font-size:20px;margin-bottom:16px}.speak-icon{margin-left:6px;font-size:.9em;cursor:pointer;-webkit-user-select:none;user-select:none}.speak-icon.disabled{opacity:.3;cursor:not-allowed}.task-zh{font-size:26px;font-weight:600;margin-top:2px}.countdown{font-size:64px;font-weight:700;font-variant-numeric:tabular-nums}.countdown.urgent{color:var(--fail)}.rec-hint{font-size:15px;line-height:1.5;padding:18px 0}.ready-hint{font-size:15px;line-height:1.5;padding:6px 0 14px}.cards{margin:14px 0}.cards-label{margin-bottom:8px;text-align:center}.cards-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;align-items:stretch}.unit-card{background:#1a1e25;border:1px solid #333a46;border-left:3px solid var(--accent);border-radius:10px;padding:8px 12px;text-align:left;width:168px;min-height:84px}.unit-kind{display:inline-block;font-size:11px;background:#2c313b;color:var(--muted);border-radius:5px;padding:1px 7px}.unit-kind.pattern{color:#a78bfa}.unit-kind.phrase{color:var(--accent)}.unit-kind.word{color:var(--ok)}.unit-body{margin-top:6px}.unit-en{display:block;font-size:17px;font-weight:600}.unit-zh{display:block;margin-top:2px}.unit-hint{margin-top:4px}.drill-tag{display:inline-block;background:#a78bfa;color:#14171c;font-size:11px;font-weight:600;border-radius:5px;padding:1px 7px;margin-right:8px}.live-text{min-height:1.6em;font-size:18px;color:var(--muted);margin:12px 0}.live-text.strike{text-decoration:line-through;opacity:.7}.verdict{font-size:40px;font-weight:700}.verdict.ok{color:var(--ok)}.verdict.fail{color:var(--fail)}.demonstration{font-size:24px;font-weight:600;color:var(--ok);margin:8px 0 4px}.round-card{border:1px solid #2a323c;border-radius:12px;padding:12px 16px;margin:12px 0}.round-card.current{border-color:#3a5a8c;border-left:3px solid var(--accent)}.round-card .remed-box{margin:10px 0 2px}.compare{background:#1a1e25;border:1px solid #333a46;border-radius:10px;padding:12px 16px;margin:10px 0}.compare-row{display:flex;gap:12px;align-items:baseline}.compare-row+.compare-row{margin-top:8px;padding-top:8px;border-top:1px dashed #2c313b}.compare-label{flex:none;width:3.4em;font-size:13px;color:var(--muted)}.compare-text{font-size:19px;line-height:1.6;min-width:0}.demo-target{color:var(--ok);font-weight:700}.judge-why{margin:10px 0;padding:10px 14px;background:#e6b45014;border-left:3px solid #e6b450;border-radius:8px;font-size:15px;line-height:1.7}.target-line{margin:4px 0;font-size:15px}.target-text{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:600}.refs{margin:14px auto 4px;padding:12px 16px;max-width:560px;background:#1a1e25;border:1px solid #333a46;border-radius:10px;text-align:left}.partner-close{font-size:18px;margin-top:14px}.done-close{margin-top:6px}.refs-label{margin-bottom:6px}.ref-line{font-size:18px;color:var(--ok);padding:2px 0}.badge{display:inline-block;background:var(--fail);color:#fff;font-size:12px;border-radius:6px;padding:2px 8px;margin-bottom:6px}.round-meta .badge,.done-head .badge{margin-bottom:0;margin-right:8px}.btn-row{display:flex;gap:12px;justify-content:center;margin-top:16px;flex-wrap:wrap}.slips-alarm{margin:14px auto 4px;padding:12px 16px;max-width:440px;background:#e6b4501f;border:1px solid #e6b450;border-radius:10px;text-align:left}.slips-title{color:#e6b450;font-weight:700;font-size:14px;margin-bottom:6px}.slip-line{font-size:19px;padding:2px 0}.slip-said{color:var(--fail);text-decoration:line-through}.slip-fix{color:#e6b450;font-size:21px}.slip-why{font-size:13px;color:var(--muted);margin:0 0 4px}button.chip-form{border-color:#e6b450}.unit-kind.form{color:#e6b450}.slip-stats{display:flex;flex-wrap:wrap;gap:8px}.slip-chip{background:#2c313b;border:1px solid #3a404c;border-radius:999px;padding:3px 12px;font-size:14px;color:#e6b450}.typed-input{margin:12px 0;font-size:18px;text-align:center}.branch-panel{margin-top:18px;padding-top:14px;border-top:1px dashed #3a404c}.branch-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:10px 0 0}button.chip{font-size:14px;padding:5px 12px;border-radius:999px}button.chip-more{border-style:dashed;color:var(--muted)}.branch-input-row{display:flex;gap:8px;margin-top:10px}.branch-input-row input{flex:1;min-width:0;margin-top:0}.branch-input-row button{flex-shrink:0;white-space:nowrap}.settle-row{display:flex;gap:28px;justify-content:center;margin:20px 0;flex-wrap:wrap}.big-num{font-size:32px;font-weight:700;font-variant-numeric:tabular-nums}.home{text-align:center}.home-icon{display:block;width:104px;margin:40px auto 0}.home h1{margin-top:10px}.home-meta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}.stats-table{width:100%;border-collapse:collapse;margin-top:16px;font-size:15px}.stats-table th,.stats-table td{text-align:left;padding:10px 8px;border-bottom:1px solid #2c313b;vertical-align:top}.stats-table th{color:var(--muted);font-weight:500;font-size:13px}.seed-row{display:flex;gap:12px;align-items:center;background:var(--card);border-radius:12px;padding:12px 16px;margin:10px 0}.seed-main{flex:1;min-width:0}.seed-line{font-size:16px;margin-top:2px}.seed-task{font-size:15px}.seed-actions{display:flex;gap:6px;align-items:center;flex-shrink:0}.seed-actions button{font-size:14px;padding:6px 12px}button.fav-on{color:#e6b450}button.deal-btn{background:#1a1e25;border:1px dashed #3a404c;border-radius:10px;color:var(--muted);font-size:14px;padding:8px 14px;width:168px;min-height:84px}button.deal-btn:hover{border-color:var(--accent);color:var(--text)}.scene-tabs{display:flex;gap:8px;overflow-x:auto;margin:12px 0 4px;padding-bottom:4px}.scene-tab{flex-shrink:0;font-size:14px;padding:6px 14px;border-radius:999px;background:transparent;border-color:#3a404c;color:var(--muted)}.scene-tab.active{background:var(--card);border-color:var(--accent);color:var(--text)}.scene-tab.done{color:var(--ok)}.flow-scenario{margin:10px 4px 0}.done-round{padding:14px 18px}.done-head{margin-bottom:2px}.done-partner{font-size:17px}.done-task{font-size:14px;margin-top:2px}.done-answer{display:flex;align-items:baseline;gap:8px;margin-top:8px;flex-wrap:wrap}.verdict-mini{font-size:18px;font-weight:700}.verdict-mini.ok{color:var(--ok)}.verdict-mini.fail{color:var(--fail)}.done-transcript{font-size:16px}.done-transcript.strike{text-decoration:line-through;opacity:.7}.done-demo{color:var(--ok);font-size:16px;font-weight:600;margin-top:4px}.done-slips{margin-top:6px;display:flex;gap:14px;flex-wrap:wrap}.done-slips .slip-line{font-size:14px}.done-slips .slip-fix{font-size:15px}.fav-btn{margin-left:auto;padding:2px 8px;font-size:16px}.current-round .round-meta{margin-bottom:8px}.round-io{border-top:1px dashed #3a404c;margin-top:14px;padding-top:12px}.memory-actions{display:flex;gap:10px;align-items:center;margin:4px 0 8px}.seed-row{cursor:pointer;-webkit-user-select:none;user-select:none}.seed-row.selected{outline:1px solid var(--accent);background:#232a33}.seed-check{font-size:18px;color:var(--muted);flex-shrink:0}.seed-check.on{color:var(--accent)}.asset-row{padding:10px 12px;border:1px solid var(--border, #2a323c);border-radius:8px;margin-bottom:8px}.asset-main{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.asset-text{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px}.asset-meta{display:flex;gap:8px;margin-top:4px;align-items:center;flex-wrap:wrap}.asset-chip{border:1px solid var(--border, #2a323c);border-radius:999px;padding:1px 8px;font-size:12px}.asset-chip.due{color:var(--accent);border-color:var(--accent)}.fab{position:fixed;right:20px;bottom:20px;width:48px;height:48px;border-radius:50%;font-size:24px;line-height:1;padding:0;display:flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;border:none;cursor:pointer;z-index:50}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:flex-start;justify-content:center;padding:8vh 16px 16px;z-index:100}.modal{background:var(--bg, #14181d);border:1px solid var(--border, #2a323c);border-radius:12px;padding:16px;width:100%;max-width:560px;max-height:80vh;overflow-y:auto}.modal textarea{width:100%;box-sizing:border-box}.intake-row{display:flex;gap:10px;align-items:flex-start;cursor:pointer;margin:0 0 8px;color:var(--text);font-size:inherit}.intake-row input[type=checkbox]{display:inline-block;width:16px;height:16px;margin:3px 0 0;padding:0;flex-shrink:0;accent-color:var(--accent)}.intake-row>div{flex:1;min-width:0}.intake-row.blocked{opacity:.55;cursor:default}.bottom-bar{position:sticky;bottom:0;display:flex;gap:12px;align-items:center;justify-content:flex-end;padding:10px 0;background:var(--bg, #14181d);border-top:1px solid var(--border, #2a323c)}.word{cursor:pointer}.word:hover{text-decoration:underline dotted}.asset-actions{margin-left:auto;display:inline-flex;gap:4px;flex-shrink:0}.word-card{border-color:var(--accent)}.chat-past{opacity:.72;margin-bottom:6px}.chat-past .partner-line{font-size:16px;margin:0 0 2px}.chat-past .demonstration{font-size:14px;margin:0 0 2px}.chat-user{font-size:16px;margin:0 0 6px}.chat-user .asset-chip{margin-left:6px}.asset-chip.ok{color:var(--ok);border-color:var(--ok)}.asset-chip.fail{color:var(--fail);border-color:var(--fail)}.chat-divider{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin:20px 0 10px}.chat-divider:before,.chat-divider:after{content:"";flex:1;border-top:1px solid #333a46}.gen-status{display:flex;align-items:center;gap:10px;color:var(--muted);margin:18px 0}.spinner{width:16px;height:16px;flex:none;border-radius:50%;border:2px solid #3a404c;border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.gen-tokens{color:var(--text);font-variant-numeric:tabular-nums;font-size:14px}.remed-box{border-left:3px dashed var(--accent);background:#1a1e25;border-radius:10px;padding:10px 14px;margin:12px 0}.remed-box .btn-row{margin:8px 0 2px}.remed-head{color:var(--accent);font-weight:600;margin-bottom:6px}.remed-title{font-weight:600;margin:6px 0 4px}.remed-sentence{font-size:18px;letter-spacing:.2px;margin:6px 0}.remed-log{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;margin:2px 0}.remed-log-label{color:var(--muted);white-space:nowrap}.remed-log-said{font-style:italic}.remed-log-answer{color:var(--ok)}.remed-target{margin:6px 0 2px}.remed-target-text{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-weight:600}.remed-past{opacity:.85}.fail-text{color:var(--fail)}.span-error{color:var(--fail);text-decoration:underline wavy;text-underline-offset:3px}.span-alt{color:var(--accent);text-decoration:underline;text-underline-offset:3px}.rationale-note{color:var(--muted);border-left:2px solid #3a4150;padding-left:8px;margin:4px 0}.checkbox-line{display:flex;align-items:center;gap:8px}.checkbox-line input[type=checkbox]{display:inline-block;width:auto;margin:0}.arena-layout{max-width:1040px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}.arena-side{position:sticky;top:12px;max-height:calc(100vh - 24px);overflow-y:auto;display:flex;flex-direction:column;gap:12px}.side-panel{background:var(--card);border-radius:14px;padding:12px 14px}.side-title{margin:0 0 6px;font-size:13px;font-weight:600;color:var(--muted)}.side-counts{margin-left:8px;font-weight:400}.side-group{margin:10px 0 4px;font-size:12px;color:var(--muted)}.status-chips{display:flex;flex-wrap:wrap;gap:6px}.status-chip{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;border:1px solid #3a404c;border-radius:999px;padding:2px 10px}.status-chip.masked{color:var(--muted);border-style:dashed}.status-chip.done{color:var(--ok);border-color:var(--ok)}.side-sep{border-top:1px solid #2c313b;margin:12px 0 8px}.side-line{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:4px 0;font-size:13px}.side-line .spinner{width:12px;height:12px}.status-row{padding:6px 8px;border-radius:8px}.status-row.active{background:#4c8dff1f}.status-name{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;overflow-wrap:anywhere}.status-name.masked{color:var(--muted)}.status-stage{display:flex;align-items:center;gap:8px;margin-top:3px}.stage-tag{font-size:12px;color:var(--muted)}.stage-tag.done{color:var(--ok)}.stage-tag.answering{color:var(--accent)}.stage-pipe{display:inline-flex;align-items:center;flex:none}.stage-dot{width:8px;height:8px;border-radius:50%;background:#3a404c;flex:none}.stage-seg{width:14px;height:2px;background:#3a404c;flex:none}.stage-dot.filled,.stage-seg.filled{background:var(--accent)}.stage-pipe.done .stage-dot.filled,.stage-pipe.done .stage-seg.filled{background:var(--ok)}.stage-pipe.active .stage-dot.current{animation:stage-pulse 1.2s ease-in-out infinite}@keyframes stage-pulse{50%{opacity:.35}}.flow-board{background:#1a1e25;border-radius:10px;padding:8px 12px;margin:10px 0;opacity:.85}.flow-board-title{margin:0 0 4px;color:var(--muted);font-weight:600}