@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--color-primary: #0e7490;--color-primary-hover: #155e75;--color-primary-active: #134e4a;--color-primary-soft: #ecfeff;--color-primary-on: #ffffff;--color-success: #15803d;--color-success-soft: #f0fdf4;--color-danger: #b91c1c;--color-danger-hover: #991b1b;--color-danger-soft: #fef2f2;--color-warning: #b45309;--color-warning-soft: #fffbeb;--color-ok: #22c55e;--color-bad: #ef4444;--color-rec: #ef4444;--color-bg: #f1f5f9;--color-surface: #ffffff;--color-surface-alt: #f1f5f9;--color-border: #e2e8f0;--color-border-strong: #cbd5e1;--color-text: #0f172a;--color-text-muted: #64748b;--color-text-subtle: #94a3b8;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-pill: 999px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .08);--shadow-md: 0 6px 18px rgba(15, 23, 42, .08);--shadow-lg: 0 14px 40px rgba(15, 23, 42, .16);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--focus-ring: 0 0 0 3px rgba(14, 116, 144, .3)}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%}body{font-family:var(--font-sans);font-size:15px;line-height:1.5;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent}h1,h2,h3{color:var(--color-text);font-weight:600;line-height:1.25}button,input,textarea,select{font-family:inherit}:focus-visible{outline:none;box-shadow:var(--focus-ring)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes blink{0%,to{opacity:1}50%{opacity:.25}}@keyframes fade-in{0%{opacity:0;transform:translateY(8px)}}@keyframes pop-in{0%{opacity:0;transform:scale(.9)}}.screen{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:var(--space-4);background:radial-gradient(1000px 500px at 50% -10%,var(--color-primary-soft),transparent 55%),var(--color-bg)}.screen--scroll{display:block;padding:var(--space-5) var(--space-4);align-items:stretch}.app-card{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-6) var(--space-5);width:100%;max-width:400px;box-shadow:var(--shadow-lg);animation:fade-in .25s ease}.app-card--wide{max-width:480px}.brand-title{font-size:22px;font-weight:700;text-align:center;margin-bottom:var(--space-2)}.brand-subtitle{font-size:14px;color:var(--color-text-muted);text-align:center;margin-bottom:var(--space-5)}.brand-logo{width:48px;height:48px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--color-primary),#0891b2);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:700;margin:0 auto var(--space-4)}.stack{display:flex;flex-direction:column;gap:var(--space-3)}.muted{color:var(--color-text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font-size:16px;font-weight:600;line-height:1;padding:15px 20px;border-radius:var(--radius-md);border:1.5px solid transparent;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease,opacity .15s ease,transform .05s ease;-webkit-appearance:none}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--block{width:100%}.btn--primary{background:var(--color-primary);color:var(--color-primary-on)}.btn--primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn--neutral{background:var(--color-surface-alt);color:var(--color-text)}.btn--neutral:hover:not(:disabled){background:var(--color-border)}.btn--ghost{background:var(--color-surface);color:var(--color-text-muted);border-color:var(--color-border-strong)}.btn--ghost:hover:not(:disabled){color:var(--color-text);border-color:var(--color-text-subtle)}.back-link{background:none;border:none;color:var(--color-primary);font-size:14px;font-weight:600;cursor:pointer;padding:0;align-self:flex-start}.field{display:flex;flex-direction:column;gap:var(--space-2)}.field__label{font-size:14px;font-weight:600;color:var(--color-text)}.input,.textarea{width:100%;padding:14px 16px;font-size:16px;color:var(--color-text);background:var(--color-surface);border:1.5px solid var(--color-border-strong);border-radius:var(--radius-md);outline:none;transition:border-color .15s ease,box-shadow .15s ease}.input:focus,.textarea:focus{border-color:var(--color-primary);box-shadow:var(--focus-ring)}.input::placeholder,.textarea::placeholder{color:var(--color-text-subtle)}.textarea{resize:none}.code-input{text-align:center;letter-spacing:6px;font-size:20px;font-weight:600;text-transform:uppercase}.alert-error{color:var(--color-danger);background:var(--color-danger-soft);border:1px solid #fecaca;border-radius:var(--radius-sm);font-size:13px;font-weight:500;text-align:center;padding:10px 12px}.choice-group{display:flex;gap:var(--space-3)}.choice{flex:1;padding:14px;border:1.5px solid var(--color-border-strong);border-radius:var(--radius-md);background:var(--color-surface);font-size:15px;font-weight:500;color:var(--color-text);cursor:pointer;transition:all .15s ease}.choice:hover{border-color:var(--color-primary)}.choice.is-active{border-color:var(--color-primary);background:var(--color-primary-soft);color:var(--color-primary);font-weight:600}.pill{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;background:var(--color-primary-soft);color:var(--color-primary)}.pill--neutral{background:var(--color-surface-alt);color:var(--color-text-muted)}.page-top{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--space-3);max-width:820px;margin:0 auto var(--space-5)}.page-top__welcome{font-size:13px;color:var(--color-text-muted);margin-bottom:2px}.page-top__title{font-size:24px;font-weight:700}.exercise-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:var(--space-4);max-width:820px;margin:0 auto}.exercise-card{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-5);border:1.5px solid var(--color-border);cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:var(--space-2);box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.exercise-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--color-primary)}.exercise-card:active{transform:translateY(0)}.exercise-card__icon{width:52px;height:52px;border-radius:var(--radius-md);background:var(--color-primary-soft);display:grid;place-items:center;font-size:26px;margin-bottom:var(--space-1)}.exercise-card__name{font-size:18px;font-weight:600}.exercise-card__desc{font-size:13px;color:var(--color-text-muted);line-height:1.45}.exercise-card__tags{display:flex;gap:var(--space-2);margin-top:var(--space-1)}.info-card{text-align:center;padding:var(--space-7) var(--space-5);max-width:420px;margin:var(--space-6) auto;background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.spinner{width:40px;height:40px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}.center-screen{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-4)}.media-frame{border-radius:var(--radius-md);overflow:hidden;background:#000;aspect-ratio:16 / 9;display:flex;align-items:center;justify-content:center}.media-frame--light{background:var(--color-surface-alt)}.media-frame video,.media-frame img,.media-frame model-viewer{width:100%;height:100%;object-fit:contain;display:block}.media-empty{display:flex;flex-direction:column;align-items:center;gap:var(--space-2);padding:var(--space-6);color:#fff9}.media-empty__icon{font-size:44px}.done-check{width:64px;height:64px;border-radius:50%;background:var(--color-success-soft);color:var(--color-success);font-size:32px;display:grid;place-items:center;margin:0 auto var(--space-4);animation:pop-in .3s ease}.fullscreen{position:relative;width:100%;height:100%;min-height:100vh;min-height:100dvh;background:#000;overflow:hidden;display:flex;flex-direction:column}.fullscreen__video{width:100%;height:100%;object-fit:cover;display:block}.permission-screen{display:flex;align-items:center;justify-content:center;width:100%;min-height:100vh;min-height:100dvh;background:#000;padding:var(--space-4)}.permission-card{background:#ffffff14;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:var(--space-6);max-width:340px;width:100%;display:flex;flex-direction:column;gap:var(--space-4);align-items:center;text-align:center}.permission-card p{color:#fff;font-size:15px;line-height:1.5}.body-guide{position:absolute;top:10%;left:25%;width:50%;height:75%;border:2px dashed rgba(255,255,255,.45);border-radius:var(--radius-lg);pointer-events:none}.cam-overlay{position:absolute;bottom:0;left:0;right:0;padding:var(--space-5);padding-bottom:max(var(--space-5),env(safe-area-inset-bottom));background:linear-gradient(transparent,#000000bf);display:flex;flex-direction:column;gap:var(--space-4)}.checklist{display:flex;flex-direction:column;gap:var(--space-2)}.check-item{display:flex;align-items:center;gap:var(--space-3);background:#00000059;border-radius:var(--radius-pill);padding:7px 14px;align-self:flex-start;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.check-item__dot{width:18px;height:18px;border-radius:50%;display:grid;place-items:center;font-size:11px;color:#fff;flex-shrink:0;transition:background .2s ease}.check-item__dot--ok{background:var(--color-ok)}.check-item__dot--bad{background:var(--color-bad)}.check-item__label{color:#fff;font-size:14px;font-weight:500}.calib-card{background:#0009;border-radius:var(--radius-md);padding:10px 16px;display:flex;align-items:center;justify-content:space-between;color:#fff;font-size:14px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.calib-controls{display:flex;gap:var(--space-2)}.calib-btn{background:#fff3;border:none;color:#fff;font-size:20px;font-weight:700;width:38px;height:38px;border-radius:var(--radius-sm);cursor:pointer;display:grid;place-items:center}.calib-btn:active{background:#ffffff59}.cam-error{color:#fda4af;font-size:13px;text-align:center}.action-row{display:flex;gap:var(--space-3)}.switch-cam-btn{background:none;border:none;color:#ffffffd9;font-size:13px;font-weight:500;text-decoration:underline;cursor:pointer;padding:var(--space-1);align-self:center}.switch-cam-btn:active{color:#fff}.rec-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;justify-content:space-between;padding:var(--space-5);padding-top:max(var(--space-5),env(safe-area-inset-top));z-index:10;pointer-events:none}.rec-badge{display:flex;align-items:center;gap:var(--space-2);background:#0000008c;border-radius:var(--radius-pill);padding:8px 16px;align-self:flex-start;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.rec-dot{width:10px;height:10px;border-radius:50%;background:var(--color-rec);animation:blink 1s infinite}.rec-badge__text{color:#fff;font-size:14px;font-weight:500}.rec-badge__timer{color:#fff;font-size:16px;font-weight:700;min-width:34px;text-align:right}.rec-progress{height:5px;background:#ffffff4d;border-radius:var(--radius-pill);overflow:hidden}.rec-progress__fill{height:100%;background:#fff;transition:width 1s linear}.rec-info{flex:1;display:flex;align-items:center;justify-content:center;color:#fffc;font-size:15px}.stop-btn{pointer-events:auto;padding:16px;background:var(--color-rec);color:#fff;border:none;border-radius:var(--radius-md);font-size:17px;font-weight:600;cursor:pointer}.review-bottom{background:var(--color-surface);padding:var(--space-5);padding-bottom:max(var(--space-5),env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:var(--space-3);border-radius:var(--radius-lg) var(--radius-lg) 0 0;margin-top:-16px;z-index:5}.review-meta{display:flex;align-items:center;gap:var(--space-2);justify-content:center;flex-wrap:wrap;color:var(--color-text-muted);font-size:14px;font-weight:500}.review-meta__dot{color:var(--color-text-subtle)}.progress-wrap{display:flex;flex-direction:column;gap:var(--space-2)}.progress-head{display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:600}.progress-track{width:100%;height:8px;background:var(--color-border);border-radius:var(--radius-pill);overflow:hidden}.progress-track__fill{height:100%;background:var(--color-primary);border-radius:var(--radius-pill);transition:width .3s ease-out,background .3s ease}.progress-track__fill--done{background:var(--color-success)}.review-actions{display:flex;gap:var(--space-3)}