:root{--bg: #0f1216;--card: rgba(16, 20, 26, .88);--card-solid: #151a21;--border: rgba(255, 255, 255, .12);--text: #e9eef4;--muted: #9aa7b6;--accent: #4fb3ff;--accent2: #ffd24a;--ok: #46d27a;--warn: #ff9b3d;--bad: #ff5a5a;font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;color:var(--text)}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);user-select:none;-webkit-user-select:none}button{font:inherit;color:var(--text);background:#2a313b;border:1px solid var(--border);border-radius:8px;padding:7px 12px;cursor:pointer;transition:background .15s,transform .05s}button:hover{background:#36404c}button:active{transform:translateY(1px)}button.primary{background:#1f7fd6;border-color:#3b98ef}button.primary:hover{background:#2a8fe9}button.danger{background:#6b2323}button.big{font-size:18px;padding:12px 24px}.hidden{display:none!important}#app{position:fixed;inset:0;display:flex;flex-direction:column}#view-wrap{position:relative;flex:1;min-height:0}#view{display:block;width:100%;height:100%;cursor:crosshair;touch-action:none}#panel{display:block;flex:none;touch-action:none}#minimap{position:absolute;top:44px;right:10px;width:260px;height:260px;border-radius:12px;border:1px solid var(--border);background:#0a0e12d1;display:none}#minimap.show{display:block}#hud-top{position:absolute;top:8px;right:10px;display:flex;gap:8px;align-items:center;font-size:13px}#hud-top span{background:var(--card);border:1px solid var(--border);padding:5px 10px;border-radius:8px}#hud-pause{color:var(--accent2);font-weight:700}#hud-ap{color:#9fdcff}#instructor{position:absolute;top:10px;left:10px;width:min(460px,calc(100% - 20px));background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:0 10px 30px #0006;backdrop-filter:blur(6px);overflow:hidden;font-size:15px;line-height:1.45}.ins-head{display:flex;align-items:center;gap:10px;padding:8px 12px;background:#ffffff0d;border-bottom:1px solid var(--border)}.ins-avatar{font-size:26px}.ins-title{flex:1;min-width:0}#ins-lesson{font-weight:700;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#ins-progress{display:flex;gap:3px;margin-top:4px}#ins-progress i{flex:1;height:4px;border-radius:2px;background:#ffffff26}#ins-progress i.done{background:var(--ok)}#ins-progress i.cur{background:var(--accent)}#ins-min{padding:2px 10px}#ins-body{padding:10px 14px 12px}#instructor.min #ins-body{display:none}#ins-text b{color:#fff}#ins-task{margin-top:10px;padding:8px 10px;border-radius:10px;background:#4fb3ff1f;border:1px solid rgba(79,179,255,.35);font-weight:600}.task-icon{margin-right:6px}.hold-bar{height:4px;border-radius:2px;background:#ffffff1a;margin-top:6px;overflow:hidden}#ins-hold{height:100%;width:0;background:var(--ok);transition:width .15s linear}#ins-live{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;font-size:13px}#ins-live:empty{display:none}.live-item{background:#ffffff0f;border-radius:6px;padding:3px 7px;border:1px solid transparent}.live-item.ok{border-color:#46d27a99;color:#c9f5da}.live-item.off{border-color:#ff9b3d99;color:#ffe0c2}.live-item small{color:var(--muted)}#ins-coach{margin-top:8px;padding:7px 10px;border-radius:8px;font-weight:600;font-size:14px}#ins-coach.warn{background:#ff9b3d2e;border:1px solid rgba(255,155,61,.55);color:#ffd9b3}#ins-coach.info{background:#4fb3ff24;border:1px solid rgba(79,179,255,.4)}#ins-coach.good{background:#46d27a26;border:1px solid rgba(70,210,122,.5)}#ins-hint{margin-top:8px;font-size:13px;color:#ffe9a8;background:#ffd24a1a;border-radius:8px;padding:6px 10px}.ins-buttons{display:flex;gap:8px;margin-top:10px}.ins-buttons button{font-size:13px}#ins-continue{font-size:15px;font-weight:700;animation:pulse 1.6s infinite}@keyframes pulse{50%{box-shadow:0 0 0 6px #4fb3ff33}}#tooltip{position:fixed;max-width:320px;background:var(--card-solid);border:1px solid var(--border);border-radius:10px;padding:8px 12px;font-size:13px;line-height:1.4;pointer-events:none;z-index:50;box-shadow:0 8px 20px #00000080}#tooltip b{color:var(--accent2);display:block;margin-bottom:3px}#toast{position:absolute;left:50%;bottom:18px;transform:translate(-50%);background:var(--card);border:1px solid var(--border);padding:8px 16px;border-radius:10px;font-size:14px}#crosshair{position:absolute;width:26px;height:26px;margin:-13px 0 0 -13px;border:2px solid rgba(79,195,255,.85);border-radius:50%;pointer-events:none}.overlay{position:fixed;inset:0;background:#05080cb8;display:flex;align-items:center;justify-content:center;z-index:20;backdrop-filter:blur(3px)}.menu-box{width:min(920px,calc(100% - 24px));max-height:calc(100% - 24px);overflow:auto;background:var(--card-solid);border:1px solid var(--border);border-radius:18px;padding:22px 26px;box-shadow:0 20px 60px #0009}.menu-header{display:flex;gap:16px;align-items:center}.logo{font-size:40px;width:64px;height:64px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(135deg,#1f7fd6,#44c0ff)}h1{margin:0;font-size:28px}.sub{margin:4px 0 0;color:var(--muted)}.tabs{display:flex;gap:6px;margin:18px 0 12px;border-bottom:1px solid var(--border);padding-bottom:10px;flex-wrap:wrap}.tab{background:transparent;border-color:transparent}.tab.active{background:#2a313b;border-color:var(--border)}.tab-body label{display:block;margin:10px 0}.tab-body input[type=number]{width:70px}.tab-body select,.tab-body input{font:inherit;background:#222831;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:4px 6px}.module{margin-bottom:16px}.module h3{margin:6px 0 8px;font-size:14px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.lesson-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px}.lesson-card{text-align:left;padding:12px 14px;border-radius:12px;background:#1d232b;position:relative}.lesson-card:hover{background:#26303b}.lesson-card .num{color:var(--accent);font-weight:700;font-size:12px}.lesson-card .t{font-weight:700;font-size:15px;margin:2px 0 4px}.lesson-card .d{color:var(--muted);font-size:13px;line-height:1.35}.lesson-card .meta{margin-top:6px;font-size:12px;color:var(--muted)}.lesson-card .stars{position:absolute;top:10px;right:12px;color:var(--accent2);letter-spacing:1px}.lesson-card.done{border-color:#46d27a80}.lesson-card.next{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.controls-table{width:100%;border-collapse:collapse;font-size:14px}.controls-table td{padding:5px 8px;border-bottom:1px solid var(--border);vertical-align:top}.controls-table td:first-child{white-space:nowrap;width:200px}kbd{display:inline-block;min-width:22px;text-align:center;padding:1px 6px;border-radius:5px;background:#2b333d;border:1px solid #444f5c;border-bottom-width:2px;font-family:inherit;font-size:12px;margin:1px}#resume-row{display:flex;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--border)}.result-box{width:min(520px,calc(100% - 24px));background:var(--card-solid);border:1px solid var(--border);border-radius:18px;padding:24px;text-align:center}#result-icon{font-size:54px}#result-title{margin:6px 0}#result-stars{font-size:30px;color:var(--accent2);letter-spacing:4px}#result-text{text-align:left;margin:12px 0;line-height:1.5;color:#d8e0ea}#result-text ul{padding-left:20px;margin:6px 0}.result-buttons{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.loading-box{font-size:20px;color:var(--muted)}@media (max-width: 700px){#instructor{font-size:13px}#hud-top{font-size:11px}}.theory section{margin-bottom:14px}.theory h3{margin:8px 0 6px;color:var(--accent)}.theory p{margin:6px 0;line-height:1.5;color:#d8e0ea}.pattern-svg{width:100%;max-width:560px;display:block;margin:8px auto;background:#11161c;border-radius:10px}.voice-hint{margin:-4px 0 10px;font-size:13px;color:#e8c46a}