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button.active{background:var(--accent);color:var(--fg);font-weight:600}.info-btn{margin-left:5px;width:16px;height:16px;padding:0;border-radius:50%;border:1px solid var(--border);background:var(--soft);color:var(--muted);font-size:.66rem;font-weight:700;font-style:italic;font-family:Georgia,serif;line-height:1;vertical-align:middle;cursor:pointer;transition:background .15s,color .15s,transform .15s}.info-btn:hover,.info-btn:focus-visible{background:var(--accent);color:var(--fg);transform:scale(1.12)}.info-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;background:#0206179e;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);display:flex;align-items:flex-end;justify-content:center;animation:info-fade .16s ease-out}@media (min-width: 640px){.info-backdrop{align-items:center}}.info-sheet{width:100%;max-width:460px;max-height:82vh;overflow-y:auto;background:linear-gradient(180deg,var(--surface-raised) 0%,var(--card) 42%);border:1px solid var(--border);border-bottom:none;border-radius:18px 18px 0 0;padding:10px 20px calc(24px + env(safe-area-inset-bottom));box-shadow:0 -12px 40px #00000080;animation:info-rise .2s cubic-bezier(.22,1,.36,1)}@media (min-width: 640px){.info-sheet{border-radius:16px;border-bottom:1px solid var(--border);padding-bottom:22px;box-shadow:0 18px 50px #0000008c;animation:info-pop .18s cubic-bezier(.22,1,.36,1)}}.info-grip{width:38px;height:4px;border-radius:2px;background:var(--border);margin:2px auto 12px}@media (min-width: 640px){.info-grip{display:none}}.info-sheet-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.info-sheet-head h3{margin:0;font-size:1.02rem;letter-spacing:-.01em}.info-close{width:30px;height:30px;border-radius:50%;border:none;background:var(--soft);color:var(--text);font-size:1.2rem;line-height:1;cursor:pointer;flex:none}.info-close:hover{background:var(--control)}.info-lead{margin:10px 0 0;font-size:.92rem;color:var(--text);font-weight:600;line-height:1.45}.info-sheet p{margin:10px 0 0;font-size:.86rem;line-height:1.55;color:var(--muted)}.info-good{margin-top:14px;padding:10px 12px;border-radius:10px;background:var(--deep);border-left:3px solid var(--accent)}.info-good-label{font-size:.64rem;text-transform:uppercase;letter-spacing:.09em;color:var(--accent);font-weight:700}.info-good p{margin:4px 0 0;font-size:.83rem;color:var(--muted)}@keyframes info-fade{0%{opacity:0}to{opacity:1}}@keyframes info-rise{0%{transform:translateY(18px);opacity:.4}to{transform:none;opacity:1}}@keyframes info-pop{0%{transform:scale(.97);opacity:.4}to{transform:none;opacity:1}}.ftp-panel{background:var(--card);border-radius:12px;padding:12px 14px;margin-top:12px}.ftp-headline{font-size:1.6rem;font-weight:700;margin:4px 0 8px}.ftp-headline em{font-size:.85rem;font-weight:400;color:var(--muted);font-style:normal}.ftp-row{display:grid;grid-template-columns:100px 60px 1fr;gap:8px;align-items:center;font-size:.8rem;margin:3px 0}button.session{display:grid;width:100%;background:none;border:0;border-bottom:1px solid var(--border);text-align:left;color:inherit;font:inherit}button.session:last-child{border-bottom:0}.iv-table{width:100%;border-collapse:collapse;font-size:.85rem;margin-top:4px}.iv-table th,.iv-table td{padding:8px 6px;border-bottom:1px solid var(--border);text-align:left}.iv-table th{color:var(--muted);font-weight:500;font-size:.68rem;text-transform:uppercase;letter-spacing:.04em}.iv-table td.mono,.iv-table th.num{text-align:right}.chat-log{display:grid;gap:10px;margin:18px 0}.chat-msg{max-width:min(88%,60ch);padding:13px 15px}.chat-msg p{margin:0;color:var(--fg);font-size:14px;line-height:1.6}.chat-msg.from-athlete{justify-self:end}.chat-msg.from-coach{justify-self:start;border-left:3px solid var(--aerobic)}.chat-examples{display:grid;gap:8px;margin-top:14px}.chat-example{padding:11px 13px;border:1px solid var(--border);border-radius:9px;background:var(--bg);color:var(--muted);font-size:13px;line-height:1.45;text-align:left}.chat-example:hover{border-color:var(--aerobic);color:var(--fg)}.chat-form{display:flex;gap:8px;align-items:center;margin-top:12px}.chat-form input{flex:1;min-width:0}