:root{--bg: #faf6f0;--bg-elevated: #ffffff;--bg-subtle: #f3ece2;--text: #2b2620;--text-muted: #6f675c;--primary: #d97742;--primary-strong: #c25f2c;--primary-soft: #fbe8dc;--secondary: #2f8f83;--secondary-soft: #dff0ee;--success: #3e9b63;--success-soft: #e2f2e8;--amber: #e8a13d;--amber-soft: #faf0dc;--danger: #c0564f;--danger-soft: #f7e5e3;--border: #e6ddd0;--shadow: 0 2px 12px rgba(60, 45, 30, .08);--radius: 16px;--radius-sm: 10px;--nav-height: 64px;--max-width: 560px;--focus-ring: 0 0 0 3px rgba(217, 119, 66, .4)}[data-theme=dark]{--bg: #1e1b17;--bg-elevated: #2a2620;--bg-subtle: #26221c;--text: #f2ede6;--text-muted: #b0a696;--primary: #e58a55;--primary-strong: #ef9d6c;--primary-soft: #3c2c21;--secondary: #4faea2;--secondary-soft: #22332f;--success: #5cb57f;--success-soft: #24352a;--amber: #edb45f;--amber-soft: #372e1e;--danger: #d3766f;--danger-soft: #3a2624;--border: #3b352c;--shadow: 0 2px 12px rgba(0, 0, 0, .35)}*{box-sizing:border-box}html,body{margin:0;padding:0}body,#root{background:var(--bg)}#root{min-height:100dvh}body{color:var(--text);font-family:Segoe UI,system-ui,-apple-system,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}[data-reduced-motion=true] *,[data-reduced-motion=true] *:before,[data-reduced-motion=true] *:after{animation-duration:.01ms!important;transition-duration:.01ms!important}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}h1,h2,h3,h4{margin:0 0 .5rem;line-height:1.25}p{margin:0 0 .75rem}button{font:inherit;color:inherit}a{color:var(--primary-strong)}:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--radius-sm)}.app-shell{max-width:var(--max-width);margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}.app-main{flex:1;padding:16px 16px calc(var(--nav-height) + 24px)}.page{animation:fade-in .25s ease}@keyframes fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.app-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 16px;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.app-header h1{font-size:1.15rem;margin:0}.header-flags{font-size:1rem;letter-spacing:2px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:var(--max-width);height:var(--nav-height);display:grid;grid-template-columns:repeat(5,1fr);background:var(--bg-elevated);border-top:1px solid var(--border);z-index:30;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-decoration:none;color:var(--text-muted);font-size:.68rem;font-weight:600}.bottom-nav a.active{color:var(--primary-strong)}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:14px}.card-subtle{background:var(--bg-subtle);box-shadow:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:var(--radius-sm);padding:12px 18px;min-height:46px;font-weight:700;font-size:.95rem;cursor:pointer;transition:transform .1s ease,background .15s ease;text-decoration:none}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-strong)}.btn-secondary{background:var(--secondary-soft);color:var(--secondary)}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-outline{background:var(--bg-elevated);border:1.5px solid var(--border);color:var(--text)}.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-block{width:100%}.btn-icon{min-width:46px;min-height:46px;padding:10px;border-radius:50%}.btn-sm{min-height:38px;padding:8px 14px;font-size:.85rem}.progress-track{height:10px;background:var(--bg-subtle);border-radius:99px;overflow:hidden}.progress-fill{height:100%;background:var(--primary);border-radius:99px;transition:width .3s ease}.progress-fill.success{background:var(--success)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#140f0a80;display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}.modal{background:var(--bg-elevated);border-radius:var(--radius);padding:20px;max-width:420px;width:100%;max-height:85dvh;overflow-y:auto;box-shadow:0 8px 40px #00000040}.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:99px;background:var(--bg-subtle);border:1.5px solid var(--border);font-size:.85rem;font-weight:600;cursor:pointer;color:var(--text)}.chip.active{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-strong)}.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:.72rem;font-weight:700}.badge-success{background:var(--success-soft);color:var(--success)}.badge-amber{background:var(--amber-soft);color:var(--amber)}.badge-muted{background:var(--bg-subtle);color:var(--text-muted)}.text-muted{color:var(--text-muted)}.text-center{text-align:center}.text-sm{font-size:.85rem}.text-lg{font-size:1.25rem}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-0{margin-bottom:0}.row{display:flex;align-items:center;gap:10px}.row-between{display:flex;align-items:center;justify-content:space-between;gap:10px}.stack{display:flex;flex-direction:column;gap:10px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.option-btn{display:block;width:100%;text-align:left;background:var(--bg-elevated);border:2px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;font-size:1rem;font-weight:600;cursor:pointer;margin-bottom:10px;transition:border-color .15s ease,background .15s ease}.option-btn:hover{border-color:var(--primary)}.option-btn.selected{border-color:var(--primary);background:var(--primary-soft)}.option-btn.correct{border-color:var(--success);background:var(--success-soft)}.option-btn.incorrect{border-color:var(--amber);background:var(--amber-soft)}.option-btn:disabled{cursor:default}.word-bank{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0;min-height:48px}.word-chip{padding:10px 14px;border-radius:var(--radius-sm);border:2px solid var(--border);background:var(--bg-elevated);font-weight:600;cursor:pointer;font-size:1rem}.word-chip.in-answer{background:var(--primary-soft);border-color:var(--primary)}.word-chip:disabled{opacity:.35;cursor:default}.answer-zone{min-height:56px;border:2px dashed var(--border);border-radius:var(--radius-sm);padding:8px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.match-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.match-btn{padding:14px 10px;border-radius:var(--radius-sm);border:2px solid var(--border);background:var(--bg-elevated);font-weight:600;cursor:pointer;font-size:.95rem;min-height:54px}.match-btn.selected{border-color:var(--primary);background:var(--primary-soft)}.match-btn.matched{border-color:var(--success);background:var(--success-soft);opacity:.7;cursor:default}.match-btn.wrong{border-color:var(--amber);background:var(--amber-soft)}.feedback-banner{border-radius:var(--radius-sm);padding:12px 16px;font-weight:700;margin:12px 0}.feedback-banner.good{background:var(--success-soft);color:var(--success)}.feedback-banner.neutral{background:var(--amber-soft);color:var(--amber)}.record-btn{width:84px;height:84px;border-radius:50%;border:none;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow)}.record-btn.recording{background:var(--danger);animation:pulse 1.2s infinite}@keyframes pulse{0%{box-shadow:0 0 #c0564f73}70%{box-shadow:0 0 0 18px #c0564f00}to{box-shadow:0 0 #c0564f00}}.speaking-anim{display:inline-flex;gap:3px;align-items:flex-end;height:16px}.speaking-anim span{width:4px;background:currentColor;border-radius:2px;animation:sound-bar .8s infinite ease-in-out}.speaking-anim span:nth-child(1){height:6px;animation-delay:0s}.speaking-anim span:nth-child(2){height:14px;animation-delay:.15s}.speaking-anim span:nth-child(3){height:9px;animation-delay:.3s}@keyframes sound-bar{0%,to{transform:scaleY(.5)}50%{transform:scaleY(1.1)}}.score-ring{width:120px;height:120px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:800;margin:0 auto 12px;background:radial-gradient(closest-side,var(--bg-elevated) 79%,transparent 80% 100%),conic-gradient(var(--primary) calc(var(--score) * 1%),var(--bg-subtle) 0)}.word-pill{display:inline-block;padding:4px 10px;border-radius:99px;margin:3px;font-weight:600;font-size:.9rem}.word-pill.good{background:var(--success-soft);color:var(--success)}.word-pill.miss{background:var(--amber-soft);color:var(--amber);text-decoration:underline dotted}.word-pill.extra{background:var(--bg-subtle);color:var(--text-muted)}.path-group{margin-bottom:18px}.lesson-row{display:flex;align-items:center;gap:12px;padding:14px;border-radius:var(--radius);background:var(--bg-elevated);border:1px solid var(--border);margin-bottom:8px;text-decoration:none;color:var(--text);cursor:pointer;width:100%;text-align:left}.lesson-row.locked{opacity:.55;cursor:default}.lesson-emoji{font-size:1.6rem;width:48px;height:48px;border-radius:14px;background:var(--bg-subtle);display:flex;align-items:center;justify-content:center;flex-shrink:0}.flashcard{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;padding:24px;cursor:pointer}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat-box{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:14px;text-align:center}.stat-value{font-size:1.5rem;font-weight:800;color:var(--primary-strong)}.stat-label{font-size:.75rem;color:var(--text-muted);font-weight:600}.week-chart{display:flex;align-items:flex-end;justify-content:space-between;gap:6px;height:120px;padding-top:10px}.week-bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}.week-bar{width:100%;max-width:34px;background:var(--primary);border-radius:6px 6px 0 0;min-height:3px}.week-bar.empty{background:var(--bg-subtle)}.week-label{font-size:.68rem;color:var(--text-muted);font-weight:600}input[type=text],input[type=search],input[type=email],input[type=password],select{width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--bg-elevated);color:var(--text);font:inherit}.switch-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border);gap:12px}.switch-row:last-child{border-bottom:none}.switch{position:relative;width:48px;height:28px;flex-shrink:0;border-radius:99px;border:none;background:var(--bg-subtle);cursor:pointer;transition:background .2s ease}.switch[aria-checked=true]{background:var(--success)}.switch:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .2s ease;box-shadow:0 1px 3px #00000040}.switch[aria-checked=true]:after{transform:translate(20px)}.onboarding-page{min-height:100dvh;display:flex;flex-direction:column;justify-content:center;padding:24px;max-width:var(--max-width);margin:0 auto}.direction-card{display:flex;align-items:center;gap:14px;width:100%;padding:18px;border-radius:var(--radius);border:2px solid var(--border);background:var(--bg-elevated);cursor:pointer;text-align:left;margin-bottom:12px}.direction-card.selected{border-color:var(--primary);background:var(--primary-soft)}.direction-flags{font-size:1.8rem;white-space:nowrap}.auth-page{max-width:520px}.auth-page .card{width:100%}.auth-flags{font-size:2.5rem}.form-field{display:grid;gap:6px;text-align:left;font-weight:650}.auth-notice,.auth-message{padding:12px 14px;border-radius:var(--radius-sm)}.auth-notice{background:var(--primary-soft);color:var(--text)}.auth-error{background:color-mix(in srgb,var(--danger) 12%,transparent);color:var(--danger)}.auth-success{background:color-mix(in srgb,var(--success) 12%,transparent);color:var(--success)}.auth-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 18px;margin-top:16px}.text-button,.auth-skip{color:var(--primary-strong);text-decoration:underline}.text-button{border:0;padding:0;background:transparent;font:inherit;cursor:pointer}.auth-skip{display:block;margin-top:18px}.account-summary{display:flex;align-items:center;justify-content:space-between;gap:12px}.plan-badge{padding:5px 10px;border-radius:999px;background:var(--bg-subtle);font-size:.75rem;font-weight:800;text-transform:uppercase}.plan-premium{background:#fef3c7;color:#92400e}@media (min-width: 640px){.app-main{padding-left:24px;padding-right:24px}}