:root{--bg:#f5f7fb;--surface:#fff;--surface-soft:#f8fafc;--text:#18212f;--muted:#6b7280;--subtle:#94a3b8;--border:#e5eaf1;--border-strong:#d7dee8;--nav:#111827;--nav-soft:#1f2937;--accent:#2563eb;--accent-soft:#eff6ff;--strength:#2563eb;--strength-soft:#eff6ff;--cardio:#0f9f7f;--cardio-soft:#ecfdf5;--yoga:#8b5cf6;--yoga-soft:#f5f3ff;--recovery:#d97706;--recovery-soft:#fffbeb;--shadow:0 10px 30px #0f172a0f;--shadow-sm:0 2px 8px #0f172a0d;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body,html{background:var(--bg)}body{color:var(--text);margin:0;font-size:15px;line-height:1.5}button,input,select,textarea{font:inherit}button{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:10px;padding:11px 15px;font-weight:700;transition:transform .15s,box-shadow .15s,background .15s}button:hover{transform:translateY(-1px);box-shadow:0 5px 14px 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