:root{--cl-black: #0f0f0f;--cl-white: #fdf9f0;--cl-lime: #c7ff69;--cl-orange: #ff6d38;--cl-purple: #7a78ff;--cl-blue: #478bff;--bg-light: #f4f2ec;--text-secondary: #555;--text-light: #888;--font-heading: "Noto Serif SC", "Songti SC", "STSong", serif;--font-body: -apple-system, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif}body.route-home{background:var(--cl-white);color:var(--cl-black);font-family:var(--font-body)}#view-home{min-height:100vh;display:flex;flex-direction:column}.lnav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:16px 40px;background:#fdf9f0e6;backdrop-filter:blur(10px);border-bottom:1px solid #e7e1d4}.lnav .brand{font-weight:900;font-size:20px;text-decoration:none;color:var(--cl-black)}.lnav .brand .g{color:var(--cl-orange)}.lnav .brand .academy{font-size:13px;font-weight:700;color:var(--text-light);letter-spacing:1.5px;text-transform:uppercase;margin-left:8px}.lnav .lks{display:flex;gap:24px}.lnav 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button:disabled{opacity:.4;cursor:not-allowed}.lab-main{flex:1;display:flex;min-height:0}.lesson-pane{width:360px;min-width:300px;overflow-y:auto;padding:16px;border-right:1px solid #333;background:#1f1f1f}.lesson-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}.lesson-head .lesson-id{font-family:SF Mono,Menlo,monospace;font-size:15px;font-weight:800;color:var(--lab-accent);background:#ff6d381f;border-radius:8px;padding:8px 10px}.lesson-head h3{margin:0;font-size:17px}.lesson-head .lesson-sub{font-size:12px;color:var(--lab-muted)}.gate{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.gate .pill{font-size:11px;font-weight:700;padding:3px 10px;border-radius:12px;border:1px solid #444;color:var(--lab-muted)}.gate .pill.ok{color:#a8e08a;border-color:#4a6b3a;background:#78c85a1a}.gate .pill.done{color:#ffd28a;border-color:#8a6b3a;background:#ffbe5a1f}.goal-banner{background:#ff6d3824;border:1px solid rgba(255,109,56,.4);border-radius:10px;padding:12px 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10px;cursor:pointer}.tool-btn:not(:disabled):hover{color:var(--lab-accent);border-color:var(--lab-accent)}.tool-btn.active{color:#a8e08a;border-color:#4a6b3a;background:#78c85a1a}.tool-btn:disabled{opacity:.35;cursor:default}.lesson-steps{margin:0;padding-left:20px;font-size:13px;line-height:1.8;color:#b8b3a8}.lesson-steps b{color:var(--lab-text)}.ws-col{position:relative}.ws-status{padding:8px 14px;font-size:12px;border-bottom:1px solid #333;display:flex;flex-wrap:wrap;gap:6px;align-items:center;min-height:20px}.ws-ok{color:#a8e08a;font-weight:700}.ws-todo{color:#e8c268;font-weight:700}.ws-problem{color:var(--lab-muted);background:#2a2a2a;border-radius:10px;padding:2px 10px}.ws-scroll{flex:1;overflow-y:auto;padding:14px 18px}.ws-overview{color:var(--lab-muted);font-size:14px;line-height:2;padding:24px}.ws-section{background:#212121;border:1px solid #383838;border-radius:10px;padding:14px 16px;margin-bottom:14px}.ws-section h4{margin:0 0 10px;font-size:13px}.ws-field{display:block;margin-bottom:10px}.ws-field>span{display:block;font-size:12px;color:#b8b3a8;margin-bottom:4px}.ws-field input,.ws-field textarea,.ws-table input,.ws-table textarea,.ws-table select{width:100%;background:#1a1a1a;border:1px solid #3a3a3a;border-radius:6px;color:var(--lab-text);font-size:13px;font-family:inherit;padding:6px 8px}.ws-field textarea,.ws-table textarea{min-height:44px;resize:vertical}.ws-field input:focus,.ws-field textarea:focus,.ws-table input:focus,.ws-table textarea:focus{border-color:var(--lab-accent);outline:none}.ws-radio-group{display:flex;gap:14px;font-size:13px;color:#b8b3a8}.ws-table{width:100%;border-collapse:collapse}.ws-table th{font-size:11px;color:var(--lab-muted);text-align:left;padding:4px 6px}.ws-table td{padding:4px 6px;vertical-align:top}.ws-static{font-size:12px;color:#b8b3a8;white-space:nowrap;padding-top:10px!important}.ws-add-row{margin-top:8px;background:none;border:1px dashed #555;color:var(--lab-muted);border-radius:6px;font-size:12px;padding:4px 14px;cursor:pointer}.ws-add-row:hover{color:var(--lab-accent);border-color:var(--lab-accent)}.ws-check{display:block;font-size:13px;color:#b8b3a8;line-height:1.9}.example-drawer{position:absolute;right:0;top:0;bottom:0;width:min(560px,80%);background:#1d1d1d;border-left:2px solid var(--lab-accent);display:flex;flex-direction:column;z-index:20;box-shadow:-12px 0 32px #00000080}.example-body{flex:1;overflow-y:auto;padding:16px 20px;font-size:13px;line-height:1.8;color:#c8c3b8}.example-body h3,.example-body h4,.example-body h5{color:var(--lab-text)}.example-body table{border-collapse:collapse;width:100%;margin:8px 0}.example-body th,.example-body td{border:1px solid #3a3a3a;padding:5px 8px;font-size:12px;text-align:left}.example-body pre{background:#161616;border-radius:8px;padding:10px;overflow-x:auto;font-size:12px}.example-body code{color:#8fd0ff}.walk-steps{background:#212121;border:1px solid #383838;border-radius:10px;padding:14px 16px;margin-bottom:14px}.walk-steps h4{margin:0 0 10px;font-size:13px}.walk-step{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.8;color:#b8b3a8;padding:5px 0;cursor:pointer}.walk-step input{margin-top:5px}.walk-step b{color:var(--lab-text)}.walk-template{background:#212121;border:1px solid #383838;border-radius:10px;margin-bottom:10px}.walk-template summary{padding:10px 14px;font-size:13px;font-weight:700;cursor:pointer;color:#b8b3a8}.walk-template[open] summary{border-bottom:1px solid #333;color:var(--lab-text)}.walk-template .example-body{max-height:420px;overflow-y:auto}.sim-box{background:#212121;border:1px solid rgba(255,109,56,.4);border-radius:10px;padding:14px 16px;margin-bottom:14px}.sim-box h4{margin:0 0 6px;font-size:13px}.sim-hint{font-size:12px;color:var(--lab-muted);margin:0 0 8px}.sim-box textarea{width:100%;min-height:100px;background:#1a1a1a;border:1px solid #3a3a3a;border-radius:6px;color:var(--lab-text);font-family:SF Mono,Menlo,monospace;font-size:12px;padding:8px;resize:vertical}.sim-btn{display:inline-block;margin-top:8px;background:var(--lab-accent);color:#fff;border:none;border-radius:6px;padding:7px 16px;font-size:13px;font-weight:700;cursor:pointer;text-decoration:none}.sim-result{margin-top:10px;font-size:13px;line-height:1.7}.sim-result ul{margin:6px 0;padding-left:20px;color:#e09090}.sim-result p{color:var(--lab-muted);margin:6px 0 0}.sim-pass{color:#a8e08a;font-weight:700}.sim-fail{color:#e07070;font-weight:700}.sim-warn{color:#e8c268}.sim-options label{display:block;font-size:13px;color:#b8b3a8;padding:4px 0;cursor:pointer}.mvp-cta{border-color:#c7ff69}.mvp-files{width:420px;min-width:320px;border-right:1px solid #333}.mvp-tabs{display:flex;border-bottom:1px solid #333}.mvp-tab{flex:1;background:none;border:none;border-bottom:2px solid transparent;color:var(--lab-muted);font-family:SF Mono,Menlo,monospace;font-size:12px;padding:8px 0;cursor:pointer}.mvp-tab.active{color:var(--lab-accent);border-bottom-color:var(--lab-accent)}#mvp-editor{flex:1;width:100%;border:none;resize:none;background:var(--lab-bg);color:var(--lab-text);font-family:SF Mono,Menlo,Consolas,monospace;font-size:13px;line-height:1.7;padding:12px;outline:none}.mvp-skeleton{flex:1;margin:0;overflow:auto;padding:12px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:12px;line-height:1.65;color:#9a958a}#mvp-terminal{flex:1;overflow-y:auto;padding:12px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:13px;line-height:1.6;white-space:pre-wrap;word-break:break-all}#mvp-terminal .err{color:#e07070}#mvp-terminal .warn{color:#e8c268}#mvp-terminal .sys{color:var(--lab-muted)}#mvp-terminal .ai{color:#ffa06e}#mvp-terminal .prompt{color:#8fd0ff}.crisis-bar{display:flex;gap:6px;padding:6px 12px;border-bottom:1px solid #333;flex-wrap:wrap}.crisis-probe{background:#e070701f;border:1px solid rgba(224,112,112,.5);color:#e09090;border-radius:12px;font-size:11px;font-weight:700;padding:3px 10px;cursor:pointer}.crisis-probe:hover{background:#e0707040}#view-mvp .lab-main{display:flex}#view-mvp{height:100vh;display:flex;flex-direction:column}#view-mvp .lab-main{flex:1;min-height:0}#view-mvp .pane-editor{flex:.9}.mvp-go{background:#3a6b2a!important}.mvp-go:hover{background:var(--cl-orange)!important}.coach-fab{position:fixed;right:22px;bottom:22px;z-index:40;background:var(--lab-accent);color:#fff;border:none;border-radius:24px;padding:12px 20px;font-size:14px;font-weight:700;cursor:pointer;box-shadow:0 8px 24px #0006}.coach-panel{position:fixed;right:22px;bottom:22px;z-index:41;width:380px;height:min(560px,75vh);background:#232323;border:1px solid #444;border-radius:14px;display:flex;flex-direction:column;box-shadow:0 16px 48px #0000008c}.coach-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid #3a3a3a;font-size:13px;font-weight:700}.coach-head small{color:var(--lab-muted);font-weight:400;margin-left:6px}.coach-close{background:none;border:none;color:var(--lab-muted);cursor:pointer;font-size:14px}.coach-log{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px}.coach-msg{max-width:85%;padding:8px 12px;border-radius:12px;font-size:13px;line-height:1.65;white-space:pre-wrap}.coach-msg.assistant{background:#2c2c2c;align-self:flex-start}.coach-msg.user{background:#ff6d382e;align-self:flex-end}.coach-input-row{display:flex;gap:8px;padding:10px;border-top:1px solid #3a3a3a}.coach-input-row input{flex:1;background:#1a1a1a;border:1px solid #3a3a3a;border-radius:8px;color:var(--lab-text);padding:8px 10px;font-size:13px}.coach-input-row button{background:var(--lab-accent);border:none;color:#fff;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:700;cursor:pointer}.coach-input-row button:disabled{opacity:.5}.pane-title{padding:6px 12px;font-size:12px;color:var(--lab-muted);background:var(--lab-panel);display:flex;align-items:center;justify-content:space-between}.pane-title .restore{background:none;border:1px solid #444;color:var(--lab-muted);border-radius:5px;font-size:11px;padding:2px 10px;cursor:pointer}.pane-title .restore:not(:disabled):hover{color:var(--lab-accent);border-color:var(--lab-accent)}.pane-title .restore:disabled{opacity:.35;cursor:default}#editor-host{flex:1;min-height:0;overflow:hidden}#editor-host .cm-editor{height:100%}#terminal{flex:1;overflow-y:auto;padding:12px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:13px;line-height:1.6;white-space:pre-wrap;word-break:break-all}#terminal .err{color:#e07070}#terminal .warn{color:#e8c268}#terminal .sys{color:var(--lab-muted)}#terminal .ai{color:#ffa06e}#terminal .tool{color:#9a958a}#terminal .prompt{color:#8fd0ff}.stdin-row{display:flex;border-top:1px solid #333}#stdin{flex:1;background:var(--lab-panel);border:none;color:var(--lab-text);font-family:SF Mono,Menlo,Consolas,monospace;font-size:13px;padding:10px 12px;outline:none}#stdin:focus{background:#2c2c2c}#stdin::placeholder{color:#666}