/* ===== КАСТОМНЫЙ ВЫБОР ЯЗЫКА В СТИЛЕ TYPEFLOW ===== */
.lang-picker{position:relative;width:100%;margin-top:4px}
.lang-picker-btn{width:100%;min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 11px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-s);color:var(--ink-1);font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:600;cursor:pointer;outline:none;text-align:left;transition:background .12s,border-color .12s,transform .08s}
.lang-picker-btn:hover{background:var(--surface-3);border-color:var(--line-2)}
.lang-picker-btn:active{transform:translateY(1px)}
.lang-picker.open .lang-picker-btn{border-color:var(--line-2);background:var(--surface-3)}
.lang-picker-value{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lang-picker-arrow{width:20px;height:20px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:5px;color:var(--ink-3);font-size:10px;flex:0 0 auto;transition:transform .12s,background .12s,color .12s}
.lang-picker.open .lang-picker-arrow{transform:rotate(180deg);background:var(--surface-1);color:var(--ink-1)}
.lang-picker-menu{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:40;padding:5px;background:var(--surface-1);border:1px solid var(--line-2);border-radius:var(--radius-s);box-shadow:0 14px 30px rgba(0,0,0,.18);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-4px);transition:opacity .1s,transform .1s,visibility .1s;max-height:260px;overflow:auto}
.lang-picker.open .lang-picker-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.lang-picker-item{width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 9px;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--ink-2);font-family:inherit;font-size:12px;font-weight:600;text-align:left;cursor:pointer;transition:background .08s,border-color .08s,color .08s}
.lang-picker-item:hover{background:var(--surface-2);color:var(--ink-1);border-color:var(--line)}
.lang-picker-item.active{background:var(--surface-3);color:var(--ink-1);border-color:var(--line-2)}
.lang-picker-item .lang-check{color:var(--accent);font-family:inherit;font-weight:800;opacity:0}
.lang-picker-item.active .lang-check{opacity:1}
.lang-select{display:none}

.main-col{min-width:0}
.metrics{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:12px}
.metric{background:var(--surface-1);border:1px solid var(--line);border-radius:var(--radius-m);padding:12px 14px}
.metric-label{font-size:9.5px;font-weight:700;color:var(--ink-3);text-transform:uppercase;letter-spacing:0.1em;margin-bottom:5px}
.metric-value{font-family:'JetBrains Mono',monospace;font-size:20px;font-weight:700;letter-spacing:-0.03em;line-height:1;font-variant-numeric:tabular-nums;color:var(--ink-1)}
.metric-value .unit{font-family:'Manrope',sans-serif;font-size:9.5px;font-weight:600;color:var(--ink-3);margin-left:3px}
.progress-track{height:2px;background:var(--surface-2);border-radius:100px;overflow:hidden;margin-bottom:12px}
.progress-fill{height:100%;width:0%;background:var(--ink-1);transition:width 0.15s linear}
.canvas-wrap{position:relative;background:var(--surface-1);border:1px solid var(--line);border-radius:var(--radius-m);margin-bottom:12px;overflow:hidden;transition:border-color 0.15s,box-shadow 0.2s}
.canvas-wrap:hover{border-color:var(--line-2)}
.canvas-wrap.focused{border-color:var(--line-2);box-shadow:0 0 0 3px rgba(255,255,255,0.04)}
.canvas-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--surface-2);border-bottom:1px solid var(--line);font-size:11px;font-weight:600;color:var(--ink-3)}
.canvas-head-left{display:flex;align-items:center;gap:12px}
.dots{display:flex;gap:6px}
.dot{width:11px;height:11px;border-radius:50%}
.dot:nth-child(1){background:#ff5f57}
.dot:nth-child(2){background:#febc2e}
.dot:nth-child(3){background:#28c840}
.canvas-lang{font-family:'JetBrains Mono',monospace;color:var(--ink-2);font-size:10.5px}
.canvas-status{font-family:'JetBrains Mono',monospace;font-size:10.5px;color:var(--ink-3)}
.canvas{position:relative;max-height:520px;min-height:220px;overflow-y:auto;scroll-behavior:auto;padding:28px 32px;cursor:text;font-family:'JetBrains Mono',monospace;font-size:var(--text-size);line-height:1.75;letter-spacing:-0.005em;white-space:pre-wrap;word-break:normal;overflow-wrap:normal;hyphens:none;tab-size:2;font-variant-ligatures:none;box-sizing:border-box}
.canvas:not(.code-mode){white-space:normal;overflow-x:hidden}
.canvas:not(.code-mode) .text-flow{display:block;width:100%;max-width:100%;min-width:0;white-space:pre-wrap;word-break:normal;overflow-wrap:normal;hyphens:none;box-sizing:border-box}
.canvas.code-mode{display:grid;grid-template-columns:44px minmax(0,max-content);column-gap:10px;align-items:start;overflow:auto;white-space:pre;word-break:normal}
.canvas.code-mode .line-gutter{grid-column:1;grid-row:1;display:flex;flex-direction:column;align-items:stretch;min-width:44px;color:var(--ink-3);font-size:var(--text-size);line-height:1.75;text-align:right;user-select:none;-webkit-user-select:none;pointer-events:none;border-right:1px solid var(--line);padding-right:9px;box-sizing:border-box}
.canvas.code-mode .line-number{display:block;height:calc(var(--text-size) * 1.75);line-height:1.75;padding:0 5px 0 3px;border-radius:4px;box-sizing:border-box;font-variant-numeric:tabular-nums}
.canvas.code-mode .line-number.active{background:var(--surface-3);color:var(--ink-1);font-weight:700}
.canvas:not(.code-mode) .line-gutter{display:none}
.canvas.code-mode .text-flow{grid-column:2;grid-row:1;min-width:max-content;white-space:pre;word-break:normal}
.canvas.code-mode .char.current{box-shadow:inset 0 0 0 1px var(--line-2),0 0 0 1px rgba(255,255,255,.03)}
.canvas::-webkit-scrollbar{width:10px}
.canvas::-webkit-scrollbar-track{background:var(--scroll-track)}
.canvas::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border-radius:100px;border:2px solid var(--scroll-track)}
.canvas::-webkit-scrollbar-thumb:hover{background:var(--scroll-thumb-hover)}
.text-flow{user-select:none;-webkit-user-select:none;transition:filter 0.2s}
.char{transition:background 0.05s;position:relative}
.char.pending{opacity:0.28}
.char.correct{opacity:1}
.char.incorrect{opacity:1;background:rgba(255,80,80,0.22);border-radius:2px;text-decoration:underline wavy rgba(255,100,100,0.7);text-underline-offset:4px;text-decoration-thickness:1.5px}
.char.current{opacity:1;background:var(--surface-3);border-radius:2px;box-shadow:inset 0 0 0 1px var(--line-2)}
.char.newline{opacity:0.35;font-size:var(--text-size);line-height:1.75;vertical-align:baseline;padding:0;color:var(--ink-3)}
.char.space{opacity:0.12}
.char.space.correct{opacity:0.55}
.syn-key{color:var(--syn-key)}
.syn-str{color:var(--syn-str)}
.syn-num{color:var(--syn-num)}
.syn-com{color:var(--syn-com);font-style:italic}
.syn-fn{color:var(--syn-fn)}
.syn-op{color:var(--syn-op)}
.syn-var{color:var(--syn-var)}
.syn-type{color:var(--syn-type)}
.syn-punc{color:var(--syn-punc)}
.syn-attr{color:var(--syn-attr)}
.syn-tag{color:var(--syn-tag)}
.syn-prop{color:var(--syn-prop)}
.syn-builtin{color:var(--syn-builtin)}
.syn-class{color:var(--syn-class)}
.syn-const{color:var(--syn-const)}
.syn-param{color:var(--syn-param)}
.syn-decorator{color:var(--syn-fn)}
.capture{position:absolute;left:-9999px;top:0;width:1px;height:1px;opacity:0;pointer-events:none;border:none;resize:none;outline:none;padding:0;margin:0;overflow:hidden}
.controls{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:8px}
.btn-action{padding:10px 18px;border-radius:var(--radius-s);border:1px solid transparent;font-family:inherit;font-size:12.5px;font-weight:700;cursor:pointer;transition:all 0.15s;display:inline-flex;align-items:center;gap:6px}
.btn-action.primary{background:var(--accent);color:var(--accent-ink)}
.btn-action.primary:hover:not(:disabled){opacity:0.85}
.btn-action.primary:disabled{opacity:0.35;cursor:not-allowed}
.btn-action.ghost{background:var(--surface-1);color:var(--ink-1);border-color:var(--line)}
.btn-action.ghost:hover{border-color:var(--line-2);background:var(--surface-2)}
.btn-action.run{background:var(--surface-3);color:var(--ink-1);border-color:var(--line-2)}
.btn-action.run:hover:not(:disabled){background:var(--surface-4)}
.btn-action.run:disabled{opacity:0.35;cursor:not-allowed}
.controls-right{margin-left:auto;font-size:12px;color:var(--ink-3);font-weight:500;cursor:pointer;text-align:right;min-height:18px;transition:color 0.2s}
.controls-right.warn{color:#ff7b7b}
.controls-right.ok{color:var(--ink-1)}
.result{margin-top:12px;background:var(--surface-1);border:1px solid var(--line);border-radius:var(--radius-m);padding:18px 20px;display:none}
.result.show{display:block}