/* Lucent — reference kit (Tastefolio). Liquid glass: refracting capsules and cards over an aurora that takes its
   colours from the music, floating toolbars, concentric corners, light big numbers, synced lyrics and a web player.
   Requires tokens.css; icons are an inline SVG sprite (<svg class="ic"><use href="#i-name"/></svg>). RTL-first. */

@property --a1 { syntax: "<color>"; inherits: true; initial-value: #ff4d8d; }
@property --a2 { syntax: "<color>"; inherits: true; initial-value: #7b5cff; }
@property --a3 { syntax: "<color>"; inherits: true; initial-value: #ff9f43; }
@property --a4 { syntax: "<color>"; inherits: true; initial-value: #22c3ff; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; transition: --a1 1.2s var(--ease), --a2 1.2s var(--ease), --a3 1.2s var(--ease), --a4 1.2s var(--ease); }
body { margin: 0; background: var(--canvas); color: var(--ink); font: var(--fw-regular) var(--fs-md)/var(--lh-body) var(--font-sans); -webkit-font-smoothing: antialiased; overflow-x: clip; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
::selection { background: var(--brand); color: #fff; }
.ic { inline-size: 1.2em; block-size: 1.2em; flex: none; display: inline-block; vertical-align: -.22em; }
.flip-rtl { display: inline-block; }
[dir="rtl"] .flip-rtl { transform: scaleX(-1); }
.sr-only { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; inset-inline-start: 12px; inset-block-start: -60px; z-index: 100; background: #fff; color: #000; padding: 10px 16px; border-radius: var(--radius-pill); }
.skip-link:focus { inset-block-start: 12px; }
.ltr { direction: ltr; unicode-bidi: isolate; }
.num { font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------ aurora (colour from the music) */
.aurora { position: absolute; inset: 0; overflow: hidden; z-index: 0; pointer-events: none; -webkit-mask-image: linear-gradient(#000 70%, transparent); mask-image: linear-gradient(#000 70%, transparent); }
.aurora.fixed { -webkit-mask-image: none; mask-image: none; }
.aurora.fixed { position: fixed; z-index: -1; }
.aurora.fixed i { opacity: .5; }
.aurora i { position: absolute; inline-size: 56vmax; block-size: 56vmax; border-radius: 50%; filter: blur(80px); opacity: .62; animation: drift 26s ease-in-out infinite alternate; }
.aurora i:nth-child(1) { background: var(--a1); inset-block-start: -22vmax; inset-inline-start: -12vmax; }
.aurora i:nth-child(2) { background: var(--a2); inset-block-start: -10vmax; inset-inline-end: -20vmax; animation-duration: 32s; }
.aurora i:nth-child(3) { background: var(--a3); inset-block-end: -30vmax; inset-inline-start: 18vmax; opacity: .45; animation-duration: 38s; }
.aurora i:nth-child(4) { background: var(--a4); inset-block-end: -26vmax; inset-inline-end: -14vmax; opacity: .4; animation-duration: 30s; }
.aurora::after { content: ""; position: absolute; inset: 0; background: radial-gradient(transparent, var(--canvas) 85%); opacity: .55; }
[data-theme="light"] .aurora i { opacity: .38; }
@keyframes drift { 50% { transform: translate(6vmax, 4vmax) scale(1.08); } 100% { transform: translate(-4vmax, 7vmax) scale(.94); } }

/* ------------------------------------------------------------ glass */
.glass { position: relative; isolation: isolate; background: var(--glass), var(--tint); -webkit-backdrop-filter: blur(var(--blur)) saturate(var(--sat)); backdrop-filter: blur(var(--blur)) saturate(var(--sat)); border-radius: var(--radius-md); box-shadow: var(--edge), var(--shadow-2); }
.glass::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; background: var(--sheen); pointer-events: none; }
.glass::after { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; padding: 1px; background: var(--rim); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.glass.strong { background: var(--glass-strong), var(--tint); }
.glass.pill { border-radius: var(--radius-pill); }
@media (prefers-reduced-transparency: reduce) { .glass { background: var(--solid); -webkit-backdrop-filter: none; backdrop-filter: none; } }

/* ------------------------------------------------------------ layout & type */
.container { max-inline-size: var(--container); margin-inline: auto; padding-inline: var(--gutter); position: relative; }
.stack { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-4); align-content: start; }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-3); }
.split { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.spacer { flex: 1; }
.cols { display: grid; gap: var(--space-5); grid-template-columns: repeat(var(--n, 3), minmax(0, 1fr)); }
.cols > * { min-inline-size: 0; }
@media (max-width: 1000px) { .cols { --n: 2 !important; } }
@media (max-width: 640px) { .cols { --n: 1 !important; } .hide-sm { display: none !important; } }
.section { padding-block: var(--space-9); position: relative; }
.sec-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--space-3) var(--space-5); margin-block-end: var(--space-6); }
.sec-head > :first-child { display: grid; gap: 8px; max-inline-size: 62ch; }
.display { font: var(--fw-display) var(--fs-display)/var(--lh-tight) var(--font-display); letter-spacing: var(--tracking-display); text-wrap: balance; }
.h1 { font: 600 clamp(32px, 4.2vw, 58px)/1.05 var(--font-display); letter-spacing: -.035em; text-wrap: balance; }
.h2 { font: 600 var(--fs-xl)/1.25 var(--font-display); letter-spacing: -.02em; }
.h3 { font: 600 var(--fs-lg)/1.35 var(--font-sans); }
:lang(fa) .h1 { font-weight: 800; letter-spacing: 0; line-height: 1.4; }
:lang(fa) .h2 { font-weight: 700; letter-spacing: 0; line-height: 1.5; }
:lang(fa) .h3 { font-weight: 700; }
.thin { font-weight: 200; }
:lang(fa) .thin { font-weight: 300; }
.grad { background: linear-gradient(100deg, var(--ink) 20%, color-mix(in oklab, var(--a1) 70%, var(--ink)) 55%, color-mix(in oklab, var(--a2) 70%, var(--ink)) 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font: 500 var(--fs-sm)/1.3 var(--font-sans); color: var(--ink-2); }
.lead { font-size: clamp(17px, 1.4vw, 20px); line-height: 1.6; color: var(--ink-2); max-inline-size: 50ch; }
:lang(fa) .lead { line-height: 1.95; }
.muted { color: var(--ink-2); }
.subtle { color: var(--ink-3); }
.small { font-size: var(--fs-sm); }
.tiny { font-size: var(--fs-xs); }

/* ------------------------------------------------------------ floating capsule nav */
.capsule-nav { position: sticky; inset-block-start: 14px; z-index: 40; margin: 14px auto 0; inline-size: min(calc(100% - 2 * var(--gutter)), 1080px); display: flex; align-items: center; gap: var(--space-4); padding: 8px 8px 8px 20px; border-radius: var(--radius-pill); }
[dir="rtl"] .capsule-nav { padding: 8px 20px 8px 8px; }
.logo { display: inline-flex; align-items: center; gap: 8px; font: 600 22px/1 var(--font-display); letter-spacing: -.03em; white-space: nowrap; }
:lang(fa) .logo { font-weight: 800; letter-spacing: 0; }
.logo-mark { inline-size: 28px; block-size: 28px; border-radius: 50%; background: conic-gradient(from 200deg, var(--a1), var(--a2), var(--a4), var(--a3), var(--a1)); box-shadow: inset 0 0 0 5px rgba(0, 0, 0, .35), 0 0 18px -4px var(--a1); }
.nav { display: flex; align-items: center; gap: 2px; font-size: var(--fs-sm); font-weight: 500; }
.nav a { padding: 8px 14px; border-radius: var(--radius-pill); color: var(--ink-2); }
.nav a:hover { color: var(--ink); background: var(--surface-2); }
.nav-end { margin-inline-start: auto; display: flex; align-items: center; gap: 6px; }
.menu-btn { display: none !important; }
@media (max-width: 980px) {
  .capsule-nav .nav { display: none; position: absolute; inset-inline: 0; inset-block-start: calc(100% + 8px); flex-direction: column; align-items: stretch; padding: 10px; border-radius: var(--radius-md); background: var(--solid); box-shadow: var(--shadow-3); }
  .capsule-nav .nav[data-open] { display: flex; }
  .menu-btn { display: inline-flex !important; }
  .hide-md { display: none !important; }
}

/* ------------------------------------------------------------ buttons & controls */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-block-size: var(--control-h); padding-inline: 20px; border: 0; border-radius: var(--radius-pill); background: var(--surface-2); color: var(--ink); font: 600 var(--fs-sm)/1 var(--font-sans); cursor: pointer; white-space: nowrap; box-shadow: var(--edge); -webkit-backdrop-filter: blur(16px) saturate(160%); backdrop-filter: blur(16px) saturate(160%); transition: transform var(--dur-1) var(--ease), background var(--dur-1); }
.btn:hover { background: var(--surface-3); }
.btn:active { transform: scale(.96); }
.btn-primary { background: #fff; color: #0b0b12; box-shadow: 0 10px 30px -12px rgba(255, 255, 255, .6); }
.btn-primary:hover { background: #fff; transform: translateY(-1px); }
[data-theme="light"] .btn-primary { background: #10101a; color: #fff; box-shadow: 0 10px 30px -12px rgba(16, 16, 26, .5); }
.btn-brand { background: var(--brand); color: var(--brand-ink); box-shadow: 0 10px 30px -12px var(--brand); }
.btn-brand:hover { background: var(--brand-strong); }
.btn-ghost { background: transparent; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; }
.btn-ghost:hover { background: var(--surface-2); }
.btn-lg { min-block-size: var(--control-h-lg); padding-inline: 28px; font-size: var(--fs-md); }
.btn-sm { min-block-size: 34px; padding-inline: 14px; font-size: var(--fs-xs); }
.btn-round { padding: 0; inline-size: var(--control-h); border-radius: 50%; }
.btn-round.btn-sm { inline-size: 34px; }
.btn-play { padding: 0; inline-size: 64px; block-size: 64px; border-radius: 50%; background: #fff; color: #0b0b12; font-size: 26px; box-shadow: 0 14px 36px -10px rgba(255, 255, 255, .55); }
.btn-play:hover { background: #fff; transform: scale(1.05); }
[data-theme="light"] .btn-play { background: #10101a; color: #fff; }
.btn-block { inline-size: 100%; }
.icon-btn { display: inline-grid; place-items: center; inline-size: 38px; block-size: 38px; border: 0; border-radius: 50%; background: none; color: var(--ink-2); cursor: pointer; font-size: 20px; transition: color var(--dur-1), background var(--dur-1), transform var(--dur-1) var(--ease); }
.icon-btn:hover { color: var(--ink); background: var(--surface-2); }
.icon-btn:active { transform: scale(.9); }
.icon-btn[aria-pressed="true"] { color: var(--brand); }
.like[aria-pressed="true"] { color: var(--brand); }
.seg { display: inline-flex; gap: 2px; padding: 4px; border-radius: var(--radius-pill); background: var(--surface); box-shadow: var(--edge); }
.seg button { border: 0; background: none; padding: 8px 16px; border-radius: var(--radius-pill); font: 600 var(--fs-sm)/1.2 var(--font-sans); color: var(--ink-2); cursor: pointer; white-space: nowrap; transition: background var(--dur-2) var(--ease), color var(--dur-2); }
.seg [aria-pressed="true"] { background: #fff; color: #0b0b12; box-shadow: var(--shadow-1); }
[data-theme="light"] .seg [aria-pressed="true"] { background: #10101a; color: #fff; }
.tabs { display: inline-flex; gap: 2px; padding: 4px; border-radius: var(--radius-pill); background: var(--surface); box-shadow: var(--edge); overflow-x: auto; scrollbar-width: none; max-inline-size: 100%; }
.tabs [role="tab"] { border: 0; background: none; padding: 8px 16px; border-radius: var(--radius-pill); font: 600 var(--fs-sm)/1.2 var(--font-sans); color: var(--ink-2); cursor: pointer; white-space: nowrap; }
.tabs [aria-selected="true"] { background: var(--surface-3); color: var(--ink); box-shadow: var(--edge); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips button { display: inline-flex; align-items: center; gap: 6px; border: 0; padding: 8px 16px; border-radius: var(--radius-pill); background: var(--surface); box-shadow: var(--edge); font: 500 var(--fs-sm)/1.2 var(--font-sans); color: var(--ink-2); cursor: pointer; }
.chips [aria-pressed="true"] { background: #fff; color: #0b0b12; }
[data-theme="light"] .chips [aria-pressed="true"] { background: #10101a; color: #fff; }
.field { display: grid; gap: 7px; align-content: start; }
.label { font: 600 var(--fs-sm)/1.3 var(--font-sans); }
.hint { font-size: var(--fs-xs); color: var(--ink-3); }
.input, .select, .textarea { inline-size: 100%; min-block-size: var(--control-h); padding: 0 18px; border: 0; border-radius: var(--radius-sm); background: var(--surface); box-shadow: var(--edge), inset 0 0 0 1px var(--line); color: var(--ink); font: 400 var(--fs-md) var(--font-sans); transition: box-shadow var(--dur-1); }
.textarea { padding-block: 12px; min-block-size: 110px; resize: vertical; }
.input:focus, .select:focus, .textarea:focus { outline: none; box-shadow: var(--edge), inset 0 0 0 1.5px var(--ink-2), 0 0 0 4px var(--brand-soft); }
.input::placeholder, .textarea::placeholder { color: var(--ink-3); }
.select { appearance: none; padding-inline-end: 40px; background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 16px center / 14px; }
[dir="rtl"] .select { background-position: left 16px center; }
.select option { background: var(--solid); color: var(--ink); }
[aria-invalid="true"] { box-shadow: inset 0 0 0 1.5px var(--danger), 0 0 0 4px var(--danger-soft) !important; }
.field-error { font-size: var(--fs-xs); font-weight: 600; color: var(--danger); }
.check { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: var(--fs-sm); }
.check input { inline-size: 18px; block-size: 18px; margin: 0; accent-color: var(--brand); }
.switch { position: relative; inline-size: 52px; block-size: 32px; border: 0; border-radius: var(--radius-pill); background: var(--surface-3); padding: 0; cursor: pointer; flex: none; transition: background var(--dur-2); box-shadow: inset 0 1px 3px rgba(0, 0, 0, .25); }
.switch::after { content: ""; position: absolute; inset-block-start: 3px; inset-inline-start: 3px; inline-size: 26px; block-size: 26px; border-radius: 50%; background: #fff; box-shadow: 0 2px 6px rgba(0, 0, 0, .3); transition: transform var(--dur-2) var(--ease); }
.switch[aria-checked="true"] { background: var(--success); }
.switch[aria-checked="true"]::after { transform: translateX(20px); }
[dir="rtl"] .switch[aria-checked="true"]::after { transform: translateX(-20px); }
.range { -webkit-appearance: none; appearance: none; inline-size: 100%; block-size: 6px; border-radius: 6px; background: linear-gradient(90deg, var(--ink) var(--v, 50%), var(--surface-3) var(--v, 50%)); cursor: pointer; direction: ltr; }
.range::-webkit-slider-thumb { -webkit-appearance: none; inline-size: 16px; block-size: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 6px rgba(0, 0, 0, .4); opacity: 0; transition: opacity var(--dur-1); }
.range:hover::-webkit-slider-thumb, .range:focus-visible::-webkit-slider-thumb { opacity: 1; }
.range::-moz-range-thumb { inline-size: 16px; block-size: 16px; border: 0; border-radius: 50%; background: #fff; }
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: var(--radius-pill); font: 600 var(--fs-xs)/1.5 var(--font-sans); background: var(--surface-2); color: var(--ink-2); white-space: nowrap; box-shadow: var(--edge); }
.badge.brand { background: var(--brand-soft); color: var(--brand-strong); }
.badge.live { background: var(--brand); color: #fff; box-shadow: 0 0 18px -4px var(--brand); }
.badge.live::before { content: ""; inline-size: 6px; block-size: 6px; border-radius: 50%; background: #fff; animation: blink 1.4s infinite; }
@keyframes blink { 50% { opacity: .3; } }
.badge.ok { background: var(--success-soft); color: var(--success); }
.badge.warn { background: var(--warning-soft); color: var(--warning); }
.badge.hq { background: linear-gradient(90deg, color-mix(in oklab, var(--a2) 40%, transparent), color-mix(in oklab, var(--a1) 40%, transparent)); color: var(--ink); }
.avatar { inline-size: 36px; block-size: 36px; border-radius: 50%; display: grid; place-items: center; font: 600 13px var(--font-sans); background: var(--c, var(--surface-3)); color: #0b0b12; flex: none; }
.avatars { display: flex; }
.avatars .avatar { box-shadow: 0 0 0 2px var(--canvas); margin-inline-end: -8px; }
.progress { block-size: 6px; border-radius: 6px; background: var(--surface-3); overflow: hidden; }
.progress i { display: block; block-size: 100%; inline-size: var(--v, 40%); border-radius: inherit; background: var(--ink); }
.progress.brand i { background: linear-gradient(90deg, var(--a2), var(--a1)); }

/* ------------------------------------------------------------ album art (generative) */
.art { position: relative; aspect-ratio: 1; border-radius: var(--r, 18px); overflow: hidden; flex: none; background: radial-gradient(70% 70% at 25% 20%, var(--c1, #ff7eb3), transparent 70%), radial-gradient(60% 60% at 85% 80%, var(--c2, #7b5cff), transparent 70%), linear-gradient(135deg, var(--c3, #2b1d5c), var(--c4, #0d0b1f)); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12), 0 18px 40px -20px rgba(0, 0, 0, .7); }
.art::after { content: ""; position: absolute; inset: 0; }
.art[data-shape="sun"]::after { background: radial-gradient(circle at 50% 58%, rgba(255, 255, 255, .85) 0 16%, transparent 16.5%), repeating-linear-gradient(0deg, transparent 0 7%, rgba(0, 0, 0, .25) 7% 9%) 0 60% / 100% 40% no-repeat; }
.art[data-shape="rings"]::after { background: repeating-radial-gradient(circle at 50% 50%, transparent 0 9%, rgba(255, 255, 255, .28) 9% 10%); }
.art[data-shape="wave"]::after { background: radial-gradient(120% 40% at 50% 120%, rgba(255, 255, 255, .5), transparent 60%), radial-gradient(80% 30% at 20% 100%, rgba(0, 0, 0, .35), transparent 70%); }
.art[data-shape="grid"]::after { background: linear-gradient(rgba(255, 255, 255, .14) 1px, transparent 1px) 0 0 / 14% 14%, linear-gradient(90deg, rgba(255, 255, 255, .14) 1px, transparent 1px) 0 0 / 14% 14%; mask: radial-gradient(circle at 50% 50%, #000 30%, transparent 75%); -webkit-mask: radial-gradient(circle at 50% 50%, #000 30%, transparent 75%); }
.art[data-shape="moon"]::after { background: radial-gradient(circle at 62% 40%, transparent 0 18%, rgba(255, 255, 255, .9) 18.5% 26%, transparent 26.5%); }
.art[data-shape="dunes"]::after { background: radial-gradient(140% 50% at 30% 100%, rgba(0, 0, 0, .35) 40%, transparent 41%), radial-gradient(120% 45% at 80% 100%, rgba(255, 255, 255, .22) 40%, transparent 41%); }
.art .label { position: absolute; inset-inline: 10px; inset-block-end: 8px; z-index: 1; font: 700 11px/1.2 var(--font-sans); color: rgba(255, 255, 255, .92); text-shadow: 0 1px 4px rgba(0, 0, 0, .4); }

/* ------------------------------------------------------------ hero & now-playing card */
.hero { position: relative; overflow: hidden; padding-block: calc(var(--space-9) + 20px) var(--space-9); margin-block-start: -76px; }
.hero .container { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: var(--space-7); align-items: center; z-index: 1; }
@media (max-width: 980px) { .hero .container { grid-template-columns: minmax(0, 1fr); } }
.hero-copy { display: grid; gap: var(--space-5); justify-items: start; }
.np-card { padding: 18px; display: grid; gap: 14px; border-radius: var(--radius-lg); }
.np-card .art { --r: 22px; }
.np-meta { display: flex; align-items: center; gap: 10px; }
.np-meta .t { font: 600 var(--fs-lg)/1.3 var(--font-display); }
.np-meta .a { font-size: var(--fs-sm); color: var(--ink-2); }
.scrub { display: grid; gap: 6px; }
.scrub .times { display: flex; justify-content: space-between; font-size: 11px; color: var(--ink-3); font-variant-numeric: tabular-nums; direction: ltr; }
.controls { display: flex; align-items: center; justify-content: center; gap: 10px; direction: ltr; }
.controls .icon-btn { font-size: 22px; inline-size: 44px; block-size: 44px; }
.float-stack { position: relative; }
.float-stack .float { position: absolute; z-index: 2; padding: 12px 14px; border-radius: var(--radius-md); }
.lyrics { display: grid; gap: 10px; }
.lyrics .line { font: 600 var(--fs-lg)/1.45 var(--font-display); color: var(--ink-3); transition: color var(--dur-2), transform var(--dur-2) var(--ease); transform-origin: left center; }
[dir="rtl"] .lyrics .line { transform-origin: right center; }
.lyrics .line.now { color: var(--ink); transform: scale(1.04); }
.lyrics .line.past { color: color-mix(in oklab, var(--ink) 38%, transparent); }
.eq { display: inline-flex; align-items: flex-end; gap: 2px; block-size: 14px; }
.eq i { inline-size: 3px; border-radius: 2px; background: var(--brand); animation: eq 900ms ease-in-out infinite alternate; }
.eq i:nth-child(1) { block-size: 40%; } .eq i:nth-child(2) { block-size: 100%; animation-delay: -300ms; } .eq i:nth-child(3) { block-size: 65%; animation-delay: -600ms; } .eq i:nth-child(4) { block-size: 85%; animation-delay: -150ms; }
@keyframes eq { to { transform: scaleY(.3); } }
.eq i { transform-origin: bottom; }
.paused .eq i, [data-shot] .eq i { animation: none; }

/* ------------------------------------------------------------ rails, tiles, bento, track list */
.rail { display: grid; grid-auto-flow: column; grid-auto-columns: clamp(150px, 18vw, 210px); gap: var(--space-4); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding-block: 4px 12px; }
.rail > * { scroll-snap-align: start; }
.tile { display: grid; gap: 10px; border: 0; padding: 0; background: none; text-align: start; cursor: pointer; color: inherit; }
.tile .art { transition: transform var(--dur-2) var(--ease), box-shadow var(--dur-2); }
.tile:hover .art { transform: translateY(-4px) scale(1.02); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .2), 0 26px 50px -20px color-mix(in oklab, var(--c1, #fff) 60%, transparent); }
.tile b { font: 600 var(--fs-md)/1.3 var(--font-sans); display: block; }
.tile span { font-size: var(--fs-sm); color: var(--ink-3); }
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); grid-auto-rows: minmax(150px, auto); gap: var(--space-4); }
.bento > * { padding: var(--space-5); display: grid; gap: 10px; align-content: start; min-inline-size: 0; overflow: hidden; }
.w2 { grid-column: span 2; } .w3 { grid-column: span 3; } .w4 { grid-column: span 4; } .h2r { grid-row: span 2; }
@media (max-width: 980px) { .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); } .w2, .w3, .w4 { grid-column: span 2; } .h2r { grid-row: auto; } }
.bento .big { font: 200 clamp(40px, 5vw, 72px)/1 var(--font-display); letter-spacing: -.05em; }
:lang(fa) .bento .big { font-weight: 300; letter-spacing: 0; }
.bars { display: flex; align-items: flex-end; gap: 4px; block-size: 70px; direction: ltr; }
.bars i { flex: 1; border-radius: 4px; background: linear-gradient(var(--a1), var(--a2)); block-size: var(--h); opacity: .9; animation: eq 1.2s ease-in-out infinite alternate; transform-origin: bottom; }
.bars i:nth-child(odd) { animation-delay: -.6s; }
.bars i:nth-child(3n) { animation-delay: -.3s; }
[data-shot] .bars i { animation: none; }
.tracks { display: grid; }
.track { display: grid; grid-template-columns: 28px 48px minmax(0, 1fr) auto auto auto; gap: 14px; align-items: center; padding: 8px 10px; border-radius: 16px; cursor: pointer; transition: background var(--dur-1); }
.track:hover, .track.on { background: var(--surface); }
.track .idx { text-align: center; color: var(--ink-3); font-variant-numeric: tabular-nums; font-size: var(--fs-sm); }
.track .eq { display: none; }
.track.on .idx { display: none; }
.track.on .eq { display: inline-flex; justify-self: center; }
.track .art { --r: 10px; inline-size: 48px; }
.track .t { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track.on .t { color: var(--brand-strong); }
.track .a { font-size: var(--fs-sm); color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track .d { font-size: var(--fs-sm); color: var(--ink-3); font-variant-numeric: tabular-nums; }
@media (max-width: 640px) { .track { grid-template-columns: 22px 44px minmax(0, 1fr) auto; gap: 10px; } .track .hide-sm { display: none; } }
.plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); align-items: start; }
@media (max-width: 1080px) { .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .plans { grid-template-columns: minmax(0, 1fr); } }
.plan { padding: var(--space-5); display: grid; gap: var(--space-4); align-content: start; border-radius: var(--radius-lg); }
.plan .price { font: 300 clamp(30px, 3vw, 42px)/1.1 var(--font-display); letter-spacing: -.03em; }
:lang(fa) .plan .price { font-weight: 400; letter-spacing: 0; }
.plan ul { display: grid; gap: 8px; font-size: var(--fs-sm); color: var(--ink-2); }
.plan li { display: flex; gap: 8px; align-items: center; }
.plan li .ic { color: var(--success); }
.plan.featured { box-shadow: var(--edge), 0 0 0 1.5px color-mix(in oklab, var(--a1) 70%, #fff), 0 30px 70px -30px var(--a1); }
details.faq { border-radius: var(--radius-md); margin-block-end: 10px; }
details.faq summary { list-style: none; cursor: pointer; padding: 18px 22px; font-weight: 600; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; font-size: 22px; font-weight: 300; transition: transform var(--dur-2) var(--ease); }
details.faq[open] summary::after { transform: rotate(45deg); }
details.faq p { padding: 0 22px 18px; color: var(--ink-2); }
.phone { inline-size: min(300px, 80vw); aspect-ratio: 9 / 19; border-radius: 46px; padding: 10px; }
.phone .screen { position: relative; block-size: 100%; border-radius: 38px; overflow: hidden; display: grid; align-content: end; gap: 12px; padding: 18px; background: linear-gradient(transparent, rgba(0, 0, 0, .55)), radial-gradient(80% 60% at 30% 25%, var(--a1), transparent 70%), radial-gradient(70% 60% at 80% 60%, var(--a2), transparent 70%), #0b0b14; color: #fff; }
.site-foot { position: relative; padding-block: var(--space-8) var(--space-6); border-block-start: 1px solid var(--line); font-size: var(--fs-sm); }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
@media (max-width: 860px) { .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.foot-grid h3 { font: 600 var(--fs-sm)/1.4 var(--font-sans); margin-block-end: 10px; }
.foot-grid ul { display: grid; gap: 8px; color: var(--ink-2); }
.foot-grid a:hover { color: var(--ink); }
.foot-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-block-start: var(--space-7); color: var(--ink-3); font-size: var(--fs-xs); }

/* ------------------------------------------------------------ web player (app shell) */
.app { position: relative; display: grid; grid-template-columns: 250px minmax(0, 1fr) 330px; grid-template-rows: minmax(0, 1fr); gap: 14px; block-size: 100dvh; padding: 14px 14px 104px; }
.app-side { display: flex; flex-direction: column; gap: var(--space-4); padding: 18px 12px; overflow-y: auto; border-radius: var(--radius-lg); }
.app-side .logo { padding-inline: 8px; }
.side-nav { display: grid; gap: 2px; }
.side-nav [role="tab"] { display: flex; align-items: center; gap: 12px; inline-size: 100%; padding: 10px 12px; border: 0; border-radius: 14px; background: none; color: var(--ink-2); font: 500 var(--fs-sm)/1.2 var(--font-sans); cursor: pointer; text-align: start; }
.side-nav [role="tab"] .ic { font-size: 20px; }
.side-nav [role="tab"]:hover { background: var(--surface); color: var(--ink); }
.side-nav [aria-selected="true"] { background: var(--surface-3); color: var(--ink); box-shadow: var(--edge); font-weight: 600; }
.side-label { padding-inline: 12px; font-size: var(--fs-xs); font-weight: 600; color: var(--ink-3); }
.pl-list { display: grid; gap: 2px; }
.pl-list button { display: flex; align-items: center; gap: 10px; padding: 6px 8px; border: 0; border-radius: 12px; background: none; color: var(--ink-2); font: 500 var(--fs-sm)/1.25 var(--font-sans); text-align: start; cursor: pointer; inline-size: 100%; }
.pl-list button:hover { background: var(--surface); color: var(--ink); }
.pl-list .art { --r: 8px; inline-size: 34px; }
.app-main { min-inline-size: 0; overflow-y: auto; border-radius: var(--radius-lg); padding: 22px 26px 40px; scrollbar-width: thin; }
.app-main > [role="tabpanel"] { display: grid; gap: var(--space-6); }
.app-np { display: grid; grid-template-rows: auto auto auto minmax(0, 1fr); gap: 14px; padding: 18px; border-radius: var(--radius-lg); overflow: hidden; }
.app-np .art { --r: 22px; }
.app-np .np-tabs-body { overflow-y: auto; min-block-size: 0; scrollbar-width: none; }
.player { position: fixed; inset-inline: 14px; inset-block-end: 14px; z-index: 50; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr) minmax(0, 1fr); align-items: center; gap: 16px; padding: 12px 18px; border-radius: var(--radius-pill); }
.player .now { display: flex; align-items: center; gap: 12px; min-inline-size: 0; }
.player .now .art { --r: 12px; inline-size: 54px; }
.player .now .t { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.player .now .a { font-size: var(--fs-sm); color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.player .mid { display: grid; gap: 4px; }
.player .mid .controls .btn-play { inline-size: 46px; block-size: 46px; font-size: 20px; }
.player .seek { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; align-items: center; font-size: 11px; color: var(--ink-3); font-variant-numeric: tabular-nums; direction: ltr; }
.player .end { display: flex; align-items: center; justify-content: flex-end; gap: 4px; }
.player .vol { inline-size: 110px; }
.mtabs { display: none; }
@media (max-width: 1180px) { .app { grid-template-columns: 230px minmax(0, 1fr); } .app-np { display: none; } }
@media (max-width: 820px) {
  .app { grid-template-columns: minmax(0, 1fr); padding: 10px 10px 156px; }
  .app-side { display: none; }
  .app-main { padding: 18px 16px 30px; }
  .player { inset-inline: 10px; inset-block-end: 84px; grid-template-columns: minmax(0, 1fr) auto; padding: 8px 10px 8px 8px; border-radius: 22px; }
  [dir="rtl"] .player { padding: 8px 8px 8px 10px; }
  .player .mid .seek, .player .end, .player .mid .controls .hide-sm { display: none; }
  .player .mid { order: 2; }
  .player .now .art { inline-size: 46px; }
  .mtabs { position: fixed; inset-inline: 10px; inset-block-end: 12px; z-index: 50; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 6px; border-radius: var(--radius-pill); }
  .mtabs button { display: grid; justify-items: center; gap: 2px; padding: 6px 0; border: 0; border-radius: var(--radius-pill); background: none; color: var(--ink-3); font: 600 10px/1.2 var(--font-sans); cursor: pointer; }
  .mtabs button .ic { font-size: 22px; }
  .mtabs [aria-current="page"] { color: var(--ink); background: var(--surface-3); }
}
.np-sheet { display: none; }
.stat-big { font: 200 clamp(40px, 4.4vw, 64px)/1 var(--font-display); letter-spacing: -.05em; }
:lang(fa) .stat-big { font-weight: 300; letter-spacing: 0; }
.rank { display: grid; gap: 10px; }
.rank li { display: grid; grid-template-columns: 24px 44px minmax(0, 1fr) auto; gap: 12px; align-items: center; }
.rank .art { --r: 50%; inline-size: 44px; }
.rank .meter { block-size: 4px; border-radius: 4px; background: var(--surface-3); overflow: hidden; margin-block-start: 6px; }
.rank .meter i { display: block; block-size: 100%; inline-size: var(--v); background: linear-gradient(90deg, var(--a2), var(--a1)); }
.device { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 12px 14px; border-radius: 18px; background: var(--surface); box-shadow: var(--edge); }
.device .ic { font-size: 22px; }

/* ------------------------------------------------------------ overlays, toasts, charts */
dialog.modal { border: 0; padding: 0; border-radius: var(--radius-lg); background: var(--solid); color: var(--ink); inline-size: min(480px, calc(100vw - 24px)); box-shadow: var(--shadow-3), inset 0 1px 0 rgba(255, 255, 255, .12); }
dialog.modal::backdrop { background: var(--overlay); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.modal-body { padding: var(--space-5); display: grid; gap: var(--space-4); }
.modal-foot { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; padding: 0 var(--space-5) var(--space-5); }
.toast { display: flex; align-items: center; gap: 10px; padding: 12px 18px; border-radius: var(--radius-pill); background: var(--solid-2); color: var(--ink); font-weight: 500; font-size: var(--fs-sm); box-shadow: var(--shadow-2), inset 0 1px 0 rgba(255, 255, 255, .12); }
.toast::before { content: ""; inline-size: 8px; block-size: 8px; border-radius: 50%; background: var(--brand); flex: none; }
.toast[data-tone="success"]::before { background: var(--success); }
.toast.is-out { opacity: 0; transition: opacity var(--dur-2); }
.tf-toasts { inset-block-end: 110px !important; }
.tf-chart .c-grid { stroke: var(--chart-grid); }
.tf-chart .c-axis { fill: var(--chart-axis); font: 500 11px var(--font-sans); }
.tf-chart .c-line { stroke-linecap: round; }
.tf-chart .c-guide { stroke: var(--line-2); stroke-dasharray: 3 3; }
.tf-chart .c-track { stroke: var(--surface-2); }
.tf-chart .c-seg { stroke-linecap: round; }
.tf-chart .c-dot { fill: var(--canvas); }
.tf-chart .c-center { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; font: 600 18px/1.3 var(--font-display); }
.chart-tip { background: var(--solid-2); color: var(--ink); padding: 8px 12px; border-radius: 12px; font: 500 12px/1.5 var(--font-sans); display: grid; gap: 2px; box-shadow: var(--shadow-2); }
.chart-tip span { display: flex; gap: 6px; align-items: center; }
.chart-tip i { inline-size: 8px; block-size: 8px; border-radius: 2px; }
.empty { padding: var(--space-6); text-align: center; color: var(--ink-3); }
@media (prefers-reduced-motion: reduce) {
  html { transition: none; }
  .aurora i, .eq i, .bars i, .badge.live::before { animation: none !important; }
  .btn, .tile .art, .lyrics .line { transition: none !important; }
}
[data-shot] .aurora i { animation: none; }