:root{--bg: #0b1220;--panel: #111a2e;--panel-2: #172238;--text: #e7edf7;--muted: #8b98b3;--accent: #14b8a6;--accent-2: #0f766e;--danger: #ef4444;--warn: #f59e0b;--tutor: #1e2a44;--user: #0f5f57;--radius: 16px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:16px/1.4 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-text-size-adjust:100%;overscroll-behavior:none}button,input{font:inherit}.screen{height:100dvh;display:flex;flex-direction:column;max-width:640px;margin:0 auto}.screen.center{align-items:center;justify-content:center;padding:24px}.card{background:var(--panel);border-radius:var(--radius);padding:24px;width:100%;max-width:360px;display:flex;flex-direction:column;gap:12px}.card h1{margin:0;font-size:22px}.muted{color:var(--muted)}.small{font-size:13px}.warn{color:var(--warn)}.error{color:var(--danger);font-size:14px}input[type=password],.text-row input{width:100%;padding:14px;border-radius:12px;border:1px solid #2a3652;background:var(--panel-2);color:var(--text);outline:none}input:focus{border-color:var(--accent)}.btn{padding:14px 18px;border-radius:12px;border:0;background:var(--panel-2);color:var(--text);cursor:pointer;min-height:48px}.btn.primary{background:var(--accent-2);color:#fff}.btn.big{font-size:20px;padding:18px 28px;width:100%}.btn:disabled{opacity:.5;cursor:default}.link{background:none;border:0;color:var(--accent);padding:6px 0;cursor:pointer;text-align:left}.chip{background:var(--panel-2);border:1px solid #2a3652;color:var(--text);border-radius:999px;padding:8px 12px;font-size:13px;cursor:pointer;min-height:36px}.chip.on{background:var(--accent-2);border-color:var(--accent-2);color:#fff}.top{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:calc(env(safe-area-inset-top) + 10px) 16px 10px;background:var(--panel);border-bottom:1px solid #1f2a44}.title{font-weight:600}.top-actions{display:flex;gap:6px}.body{flex:1;overflow-y:auto;padding:12px 12px 16px;-webkit-overflow-scrolling:touch}.intro{display:flex;flex-direction:column;gap:16px;padding:24px 8px;margin-top:8vh}.intro p{margin:0}.turns{display:flex;flex-direction:column;gap:10px}.bubble{padding:12px 14px;border-radius:var(--radius);max-width:88%;display:flex;flex-direction:column;gap:4px;word-break:break-word}.bubble.tutor{background:var(--tutor);align-self:flex-start;border-bottom-left-radius:4px}.bubble.user{background:var(--user);align-self:flex-end;border-bottom-right-radius:4px}.bubble-meta{font-size:11px;color:#fff9;text-transform:uppercase;letter-spacing:.04em}.bubble .kk{font-size:18px}.bubble .ru{color:var(--muted);font-size:14px}.bubble .hint{font-size:14px;color:#fde68a}.summary{margin-top:16px;background:var(--panel);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:10px}.summary h2{margin:0;font-size:18px}.summary ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:8px}.said{color:#fca5a5}.correct{color:#86efac}.bottom{padding:8px 16px calc(env(safe-area-inset-bottom) + 14px);background:var(--panel);border-top:1px solid #1f2a44;display:flex;flex-direction:column;gap:10px}.status{display:flex;justify-content:space-between;min-height:18px}.record{width:100%;min-height:96px;border-radius:20px;border:0;background:var(--accent-2);color:#fff;font-size:17px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;cursor:pointer;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;transition:background .15s,transform .1s}.record:disabled{background:#26324d;color:var(--muted)}.record.recording{background:var(--danger);transform:scale(.98)}.record-icon{width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px #ffffff40}.record.recording .record-icon{animation:pulse 1s infinite}@keyframes pulse{0%{box-shadow:0 0 0 4px #ffffff59}50%{box-shadow:0 0 0 14px #ffffff0d}to{box-shadow:0 0 0 4px #ffffff59}}.text-row{display:flex;gap:8px}.text-row .btn{flex:0 0 auto}.mode-row{display:flex;justify-content:center;min-height:20px}.error-bar{background:#3b1d1d;border:1px solid #7f1d1d;border-radius:12px;padding:10px 12px;font-size:14px;display:flex;flex-direction:column;gap:8px}.error-actions{display:flex;gap:6px;flex-wrap:wrap}.tabs{display:flex;background:var(--panel);border-top:1px solid #1f2a44;padding-bottom:env(safe-area-inset-bottom)}.tabs button{flex:1;background:none;border:0;color:var(--muted);padding:12px 8px;font-size:15px;min-height:52px;cursor:pointer}.tabs button.on{color:var(--accent);font-weight:600}.subtabs{display:flex;gap:6px;padding:8px 12px 0;background:var(--panel)}.subtabs button{flex:1;background:var(--panel-2);border:1px solid #2a3652;color:var(--muted);border-radius:10px 10px 0 0;padding:10px;cursor:pointer}.subtabs button.on{color:var(--text);border-color:var(--accent-2);background:var(--accent-2)}.grow{flex:1;min-width:0}.section-title{font-size:15px;color:var(--muted);margin:16px 0 8px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.cards{display:flex;flex-direction:column;gap:8px}.card-row{display:flex;gap:6px;align-items:stretch}.card-btn{flex:1;text-align:left;background:var(--panel);border:1px solid #1f2a44;border-radius:var(--radius);padding:12px 14px;color:var(--text);cursor:pointer;min-height:56px}.card-btn:disabled{opacity:.5}.card-title{font-weight:600;margin-bottom:2px}.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.icon-btn{background:var(--panel-2);border:1px solid #2a3652;color:var(--muted);border-radius:10px;min-width:40px;cursor:pointer;font-size:18px}.list{display:flex;flex-direction:column;gap:8px}.item{background:var(--panel);border:1px solid #1f2a44;border-radius:var(--radius);padding:10px 12px}.item-head{display:flex;align-items:center;gap:10px;min-height:36px;cursor:pointer}.item-head input[type=checkbox]{width:22px;height:22px;accent-color:var(--accent)}.form{display:flex;flex-direction:column;gap:10px;margin-top:10px;padding-top:10px;border-top:1px solid #1f2a44}.form label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}.form input,.form textarea,.text-row input{width:100%;padding:10px 12px;border-radius:10px;border:1px solid #2a3652;background:var(--panel-2);color:var(--text);font-size:15px}.form textarea{resize:vertical;font-family:inherit}.form-actions{display:flex;gap:8px;flex-wrap:wrap}.btn.danger{background:#4c1d1d;color:#fca5a5}.words{display:flex;flex-direction:column;gap:4px}.word-row{display:flex;align-items:center;gap:8px;padding:4px 0}.word-row .kk-word{font-weight:600}.word-row .muted{flex:1}.word-row .icon-btn{min-width:32px;min-height:32px;font-size:16px}.hint-bubble{background:#3b3110;border:1px solid #a16207;color:#fde68a;align-self:stretch;max-width:100%}.link.undo{color:#fca5a5}.link:disabled{opacity:.5;cursor:default}.mode-row{justify-content:space-between;padding:0 4px}.segmented{display:flex;gap:4px;padding:8px 12px;background:var(--panel);border-bottom:1px solid #1f2a44}.segmented button{flex:1;background:var(--panel-2);border:1px solid #2a3652;color:var(--muted);border-radius:10px;padding:10px 4px;font-size:14px;cursor:pointer;min-height:42px}.segmented button.on{background:var(--accent-2);border-color:var(--accent-2);color:#fff}.stack{display:flex;flex-direction:column;gap:12px}.center-text{text-align:center;padding:24px 0}.speed-row{display:flex;align-items:center;gap:8px}.task-card{background:var(--panel);border:1px solid #1f2a44;border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:8px}.task-q{font-size:20px}.stimulus{display:flex;align-items:center;gap:10px;font-size:22px}.options{display:flex;flex-direction:column;gap:8px}.btn.option{text-align:left;font-size:17px;border:1px solid #2a3652}.btn.option.ok{background:#14532d;border-color:#16a34a}.btn.option.bad{background:#4c1d1d;border-color:#dc2626}.btn.option.expected{border-color:#16a34a}.result-card{background:var(--panel-2);border:1px solid #2a3652;border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:8px}.result-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.verdict{display:inline-block;border-radius:999px;padding:3px 10px;font-size:13px;font-weight:600}.verdict.correct{background:#14532d;color:#86efac}.verdict.almost{background:#3b3110;color:#fde68a}.verdict.wrong{background:#4c1d1d;color:#fca5a5}.warn-chip{border-color:#a16207;color:#fde68a}.voice-input{display:flex;flex-direction:column;gap:8px}.mode-row.center{justify-content:center}.period{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-bottom:12px}.period input[type=date]{padding:6px 8px;border-radius:10px;border:1px solid #2a3652;background:var(--panel-2);color:var(--text);font-size:13px}ul.plain{list-style:none;padding:0;margin:6px 0 0;display:flex;flex-direction:column;gap:8px}.audit{background:var(--panel);border:1px solid #1f2a44;border-radius:var(--radius);padding:12px 14px;display:flex;flex-direction:column;gap:6px}.audit-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.audit-head .section-title{margin:0}.audit ul{margin:4px 0 0;padding-left:18px;display:flex;flex-direction:column;gap:8px}a.btn{display:inline-block;text-decoration:none;text-align:center}.check-row{display:flex;align-items:center;gap:8px;cursor:pointer}.check-row input[type=checkbox]{width:20px;height:20px;accent-color:var(--accent)}.check-row input[type=number]{padding:6px 8px;border-radius:10px;border:1px solid #2a3652;background:var(--panel-2);color:var(--text)}select{padding:8px 10px;border-radius:10px;border:1px solid #2a3652;background:var(--panel-2);color:var(--text);font:inherit;max-width:45vw}.item.inactive{opacity:.6}.form select{width:100%}