* { box-sizing: border-box; }
:root { color-scheme: dark; font-family: Bahnschrift, "Segoe UI", sans-serif; color: #f9f5ff; }
body {
  min-height: 100vh; margin: 0;
  background: radial-gradient(ellipse at 15% 0, rgba(139, 105, 196, .46), transparent 38%),
    radial-gradient(ellipse at 95% 18%, rgba(95, 163, 193, .22), transparent 34%),
    linear-gradient(135deg, #191532, #252456 58%, #29375f);
}
main { width: min(1180px, 100%); margin: auto; padding: 22px 24px 48px; }
.page-header { margin: 24px 0; }
.eyebrow { margin: 0 0 6px; color: #bfeeff; font-size: 12px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(30px, 5vw, 44px); letter-spacing: .035em; }
h2 { margin: 0; font-size: 22px; }
.intro { max-width: 720px; color: #ddd7ef; line-height: 1.55; }
.status { min-height: 1.5em; color: #d8d0e8; }
.status.error { color: #ffd0e4; }
.music-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card { min-width: 0; padding: 20px; border: 1px solid rgba(218, 200, 246, .3); border-radius: 16px; background: rgba(28, 25, 61, .88); box-shadow: 0 8px 26px rgba(12, 12, 35, .18); }
.card-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.badge { padding: 7px 10px; border: 1px solid rgba(191, 238, 255, .28); border-radius: 99px; color: #c8f3ff; background: rgba(126, 216, 237, .08); font-size: 12px; white-space: nowrap; }
.badge[data-state="connected"], .badge[data-state="online"] { color: #b9ffe3; border-color: rgba(153, 255, 216, .4); }
.badge[data-state="error"], .badge[data-state="expired"], .badge[data-state="authorization_required"] { color: #ffd0e4; border-color: rgba(255, 195, 224, .4); }
label, legend { color: #ddd7ef; font-size: 13px; }
input:not([type="checkbox"]) { display: block; width: 100%; min-height: 44px; margin: 7px 0; padding: 0 12px; border: 1px solid rgba(191, 238, 255, .4); border-radius: 10px; color: #fff; background: rgba(10, 10, 30, .5); font: inherit; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid #bfeeff; outline-offset: 2px; }
fieldset { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 16px 0; padding: 12px; border: 1px solid rgba(191, 238, 255, .2); border-radius: 12px; }
fieldset legend { padding: 0 5px; }
.check { display: inline-flex; align-items: center; gap: 8px; }
.check input { width: 17px; height: 17px; accent-color: #d9c4ff; }
.behavior-options { display: grid; grid-template-columns: minmax(130px, 1fr) minmax(180px, 1.3fr); align-items: center; gap: 9px 12px; margin: 14px 0; }
select { min-height: 40px; padding: 0 10px; border: 1px solid rgba(191, 238, 255, .35); border-radius: 9px; color: #fff; background: #28234b; font: inherit; }
button { min-height: 42px; margin: 4px 6px 4px 0; padding: 0 15px; border: 0; border-radius: 10px; color: #241c48; background: linear-gradient(100deg, #f5bfdf, #b9eaff); font: inherit; font-weight: 750; cursor: pointer; }
button.secondary { border: 1px solid rgba(191, 238, 255, .4); color: #f9f5ff; background: rgba(255, 255, 255, .08); }
button:disabled { opacity: .55; cursor: wait; }
a { color: #a8eff6; }
.hint { color: #beb6d2; font-size: 12px; line-height: 1.5; }
.redirect-box { margin: 18px 0; padding: 13px; border-radius: 12px; background: rgba(10, 10, 30, .32); }
.copy-row { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.copy-row code { min-width: 0; flex: 1; color: #bfeeff; overflow-wrap: anywhere; }
.copy-row a { min-width: 0; flex: 1; overflow-wrap: anywhere; }
.copy-row button { flex: none; }
.device-box { display: grid; gap: 8px; margin: 15px 0; padding: 14px; border: 1px dashed rgba(191, 238, 255, .32); border-radius: 12px; color: #ddd7ef; }
.device-box strong { color: #fff; font-size: 26px; letter-spacing: .16em; }
.preview-card { grid-column: 1 / -1; }
.preview-empty { padding: 26px 0; color: #beb6d2; text-align: center; }
.preview-playback { display: flex; align-items: center; gap: 16px; min-height: 100px; }
.preview-playback img { width: 96px; height: 96px; border-radius: 12px; object-fit: cover; box-shadow: 0 5px 18px rgba(0,0,0,.28); }
.preview-playback strong { display: block; }
.preview-playback strong { font-size: 20px; }
.preview-meta { min-width: 0; }
.preview-meta span { display: block; color: #beb6d2; font-size: 14px; line-height: 1.5; }
[hidden] { display: none !important; }
@media (max-width: 760px) { main { padding: 14px 14px 36px; } .music-grid { grid-template-columns: 1fr; } .preview-card { grid-column: auto; } .card { padding: 17px; } }
@media (max-width: 480px) { .behavior-options { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }