:root{color-scheme:light;--ink: #101214;--ink-2: #4b5563;--ink-3: #9ca3af;--bg: #f4f5f7;--card: #ffffff;--line: rgba(16, 18, 20, .08);--accent: #16a34a;--accent-ink: #ffffff;--accent-soft: #e7f6ec;--danger: #b00020;--success: #0a7a32;--radius: 16px;--radius-s: 12px;--shadow: 0 1px 2px rgba(16,18,20,.05), 0 4px 16px rgba(16,18,20,.05);--nav-h: 64px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.45}a{color:inherit}.container{max-width:560px;margin:0 auto;padding:12px 16px calc(16px + env(safe-area-inset-bottom))}.page{padding-bottom:calc(var(--nav-h) + 20px + env(safe-area-inset-bottom))}.spacer{height:12px}.hr{height:1px;background:var(--line);margin:14px 0}.h1{font-size:24px;font-weight:800;margin:4px 0 0;letter-spacing:-.02em}.h2{font-size:17px;font-weight:700;margin:0}.p{margin:0;color:var(--ink-2);line-height:1.5}.small{font-size:13px}.muted{color:var(--ink-3)}.error{color:var(--danger);font-weight:700;font-size:14px}.success{color:var(--success);font-weight:700}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}.list{display:flex;flex-direction:column;gap:10px}.row{display:flex;gap:12px;align-items:center}.col{display:flex;flex-direction:column;gap:10px}.grid2{display:grid;grid-template-columns:1fr;gap:12px}.kv{display:grid;grid-template-columns:1fr;gap:2px 8px;font-size:15px}.kv>.k{margin-top:8px}.k{color:var(--ink-3);font-size:13px}.v{font-weight:650}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-radius:14px;min-height:48px;padding:12px 18px;font-size:16px;font-weight:700;cursor:pointer;background:var(--ink);color:#fff;transition:transform .06s ease,opacity .15s ease;touch-action:manipulation}.btn:active{transform:scale(.97)}.btn.secondary{background:#fff;color:var(--ink);border:1px solid rgba(16,18,20,.16)}.btn.ghost{background:transparent;color:var(--ink);border:1px dashed rgba(16,18,20,.25)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}input,select,textarea{width:100%;min-height:48px;padding:12px 14px;border-radius:var(--radius-s);border:1.5px solid rgba(16,18,20,.14);background:#fff;font-size:16px;font-family:inherit;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px #10121414}textarea{min-height:88px;resize:vertical;line-height:1.4}::placeholder{color:var(--ink-3)}.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:650;padding:5px 10px;border-radius:999px;border:1px solid var(--line);background:#fff;white-space:nowrap}.bubble{max-width:88%;padding:12px 14px;border-radius:18px;border:1px solid var(--line);font-size:15.5px;line-height:1.45;word-wrap:break-word;white-space:pre-wrap}.bubble .small{margin-bottom:2px}.bubble.coach{background:#fff;align-self:flex-start;border-bottom-left-radius:6px}.bubble.user{background:var(--accent-soft);border-color:#16a34a2e;align-self:flex-end;border-bottom-right-radius:6px}.navbar{position:fixed;left:0;right:0;bottom:0;background:#ffffffeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);z-index:50}.navbar-inner{max-width:560px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:4px;padding:8px 12px}.navlink{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:48px;text-decoration:none;padding:6px 8px;border-radius:14px;font-size:12.5px;font-weight:650;color:var(--ink-3)}.navlink .navicon{font-size:20px;line-height:1}.navlink.active{background:#1012140f;color:var(--ink)}@media (min-width: 720px){.container{max-width:720px;padding-top:24px}.navbar-inner{max-width:720px}.grid2{grid-template-columns:1fr 1fr}.kv{grid-template-columns:150px 1fr;gap:8px}.kv>.k{margin-top:0}.h1{font-size:28px}}