:root{--navy:#082653;--blue:#1266bd;--gold:#ffd329;--red:#ef2945;--ink:#10233f;--line:#c9d8eb;--bg:#f2f7fd}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,Segoe UI,sans-serif}
main{max-width:1180px;margin:auto;padding:20px}
nav,footer{padding:16px 0}
a{color:#075fbe}
.hero{background:linear-gradient(120deg,var(--navy),var(--blue));color:white;border-bottom:4px solid var(--gold);border-radius:22px;padding:38px;margin-bottom:18px}
.hero h1{font-size:clamp(34px,6vw,64px);line-height:1;margin:.2em 0}
.panel,.notice,.boundary,.source,.card,.music-search,.music-toolbar{background:white;border:1px solid var(--line);border-radius:16px;padding:20px;margin:16px 0}
.boundary{border-left:6px solid var(--gold)}
.notice{border-left:6px solid #159947}
.error{color:#a00020}
.grid-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
label{display:grid;gap:5px;font-weight:700}
input,select,button{font:inherit;padding:11px;border:1px solid #9fb4cf;border-radius:8px}
button,.button{background:var(--blue);color:white;border:0;text-decoration:none;font-weight:800;padding:11px 15px;border-radius:8px;display:inline-block}
.button.secondary{background:#e8f0fb;color:var(--navy)}
.actions,.card-actions,.music-toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.actions form{margin:0}
progress{width:100%;height:20px}
.chips{display:flex;flex-wrap:wrap;overflow:visible;gap:8px;padding:12px 0}
.chips a{white-space:nowrap;background:white;border:1px solid var(--line);padding:9px 13px;border-radius:999px;text-decoration:none;font-weight:700}
.chips a[aria-current="page"]{background:var(--navy);border-color:var(--navy);color:white}
.music-search{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:end}
.media-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.card{margin:0}
.card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px}
.card h2{font-size:19px}
.card [aria-pressed=true]{background:#ffd329;color:#082653}
@media(max-width:600px){main{padding:10px}.hero{padding:24px 18px}.music-search{grid-template-columns:1fr}.chips{gap:6px}.chips a{white-space:normal;text-align:center;flex:1 1 calc(50% - 6px);padding:9px 7px}.media-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card{padding:10px}.card h2{font-size:15px}.card-actions{display:grid}.card-actions>*{width:100%;font-size:13px;padding:8px}}