:root{--background:#fffdf8;--surface:#fff;--surface-soft:#f8f3ea;--text:#17120c;--muted:#6e6256;--border:#e8dccd;--primary:#d8851f;--primary-strong:#b86909;--primary-text:#201100;--danger:#b42318;--shadow:0 18px 45px #17120c14;--radius-lg:28px;--radius-md:18px;--radius-sm:12px}@media (prefers-color-scheme:dark){:root{--background:#0f0d0a;--surface:#191612;--surface-soft:#242018;--text:#fffaf2;--muted:#c7b9aa;--border:#3b332a;--primary:#f0a33a;--primary-strong:#ffc066;--primary-text:#1f1200;--danger:#ffb4ab;--shadow:0 18px 45px #00000047}}*{box-sizing:border-box}html{background:var(--background);min-height:100%}body{background:radial-gradient(circle at top left, #d8851f1f, transparent 34rem), var(--background);min-height:100%;color:var(--text);margin:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}main{width:min(100%,1120px);margin:0 auto;padding:24px 18px 56px}.site-header,.app-header{justify-content:space-between;align-items:center;gap:14px;width:min(100%,1120px);margin:0 auto;padding:18px;display:flex}.brand{letter-spacing:-.04em;align-items:center;gap:10px;font-size:1.2rem;font-weight:800;display:inline-flex}.brand-mark{background:var(--primary);width:34px;height:34px;color:var(--primary-text);border-radius:50%;place-items:center;font-weight:900;display:grid}.nav-links{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.page-stack{gap:22px;display:grid}.hero{gap:24px;padding:34px 0 12px;display:grid}.hero-card,.card{background:color-mix(in srgb, var(--surface) 92%, transparent);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:22px}.eyebrow{color:var(--primary-strong);text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:800}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.08em;margin-bottom:18px;font-size:clamp(2.2rem,10vw,4.9rem);line-height:.94}h2{letter-spacing:-.055em;margin-bottom:12px;font-size:clamp(1.6rem,5vw,2.7rem)}h3{margin-bottom:8px;font-size:1.1rem}p,li{color:var(--muted);line-height:1.55}.lead{max-width:760px;font-size:1.15rem}.button-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.button,.secondary-button,.icon-button{cursor:pointer;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:0 18px;font-weight:800;display:inline-flex}.button{background:var(--primary);color:var(--primary-text)}.button:hover{background:var(--primary-strong)}.secondary-button,.icon-button{background:var(--surface);border-color:var(--border);color:var(--text)}.icon-button{width:44px;padding:0}.grid{gap:14px;display:grid}.grid.two{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.grid.three{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.form{gap:14px;display:grid}.field{gap:6px;display:grid}label{font-weight:800}input,select,textarea{border:1px solid var(--border);background:var(--surface);width:100%;color:var(--text);border-radius:var(--radius-sm);padding:13px 14px}textarea{resize:vertical}.badge{border:1px solid var(--border);background:var(--surface-soft);color:var(--muted);border-radius:999px;padding:5px 9px;font-size:.84rem;font-weight:800;display:inline-flex}.pet-card{gap:12px;display:grid}.pet-avatar{background:var(--surface-soft);border:1px solid var(--border);border-radius:22px;place-items:center;width:58px;height:58px;font-size:1.6rem;display:grid}.back-link{color:var(--muted);align-items:center;gap:8px;margin-bottom:10px;font-weight:800;display:inline-flex}.player-panel{text-align:center;gap:18px;padding:28px 20px;display:grid}.play-button{background:var(--primary);width:min(72vw,220px);height:min(72vw,220px);color:var(--primary-text);cursor:pointer;box-shadow:var(--shadow);border:none;border-radius:50%;margin:0 auto;font-size:clamp(2rem,12vw,4.5rem);font-weight:900}.range-row{grid-template-columns:1fr auto;align-items:center;gap:10px;display:grid}.sample-row{border-top:1px solid var(--border);grid-template-columns:1fr;gap:10px;padding-top:14px;display:grid}.audio-preview{width:100%}.footer{width:min(100%,1120px);color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:10px;margin:0 auto;padding:30px 18px 50px;display:flex}.footer a{font-weight:700}@media (min-width:800px){main{padding:34px 24px 70px}.hero{grid-template-columns:1.1fr .9fr;align-items:center}.hero-card,.card{padding:30px}.sample-row{grid-template-columns:1.2fr 1fr auto;align-items:center}}.auth-card,.form-card{max-width:640px;margin:0 auto}.notice{border:1px solid var(--border);background:var(--surface-soft);color:var(--text);border-radius:var(--radius-sm);margin-bottom:16px;padding:12px 14px}.notice.success{border-color:color-mix(in srgb, #2f855a 55%, var(--border));background:color-mix(in srgb, #2f855a 10%, var(--surface))}.notice.error{border-color:color-mix(in srgb, var(--danger) 60%, var(--border));background:color-mix(in srgb, var(--danger) 10%, var(--surface));color:var(--danger)}.field-help,.auth-footnote{color:var(--muted);font-size:.92rem}.auth-footnote{margin-top:16px;margin-bottom:0}form{margin:0}button:disabled{cursor:not-allowed;opacity:.58}