/* CAST identity and functional UI additions */
:root{--accent:#4d8dff;--cast-ink:#0a0f18;--muted:#8d9aae;--line:#263247;--panel:#121a28}
.brand{letter-spacing:.02em;text-transform:uppercase}.brand-mark{font-weight:800}.hero h1{max-width:760px}.eyebrow{color:var(--accent)}
.brand-mark{background:var(--accent);color:#07101e}.button-primary{background:var(--accent);color:#07101e}.button-primary:hover{background:#78a9ff}.button-quiet{background:#1b2739}.drop-zone{background:#111a29;border-color:#3b506f}.drop-zone.dragging{border-color:var(--accent);background:#15243a}.drop-icon{background:#1a2c46;color:#78a9ff}.track-art{background-image:linear-gradient(135deg,#1e3d72,#0b111d)}.player-art{background:#1a2c46;color:#78a9ff}.modal{background:#121a28;border-color:#344563}
.modal .field-help{color:var(--muted);font-size:10px;margin-top:6px}
.track{grid-template-columns:44px 30px 1fr auto}
.track-art{background-size:cover;background-position:center}
.icon-button:disabled{opacity:.2;cursor:default}
.field-help{display:block;color:var(--muted);font-size:10px;margin-top:6px}
@media(max-width:650px){.track{grid-template-columns:38px 26px 1fr auto;gap:8px}.track-art{width:38px;height:38px}.track-meta .icon-button{padding:4px}.track-meta .tag{display:none}}