/* AuK Audiobooks. Design system: docs/DESIGN.md ("Lagoon", Outfit, Phosphor).
   Shape rule: interactive controls are pills, covers and cards 14px, sheets 24px, inputs 12px. */

@font-face {
  font-family: 'Outfit';
  src: url('fonts/outfit-latin-wght-normal.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #0b1519;
  --surface: #111e23;
  --surface-2: #17282f;
  --line: rgb(234 245 243 / 0.08);
  --line-2: rgb(234 245 243 / 0.14);
  --text: #eaf4f2;
  --text-2: #a3b6b5;
  --accent: #46d3c3;
  --on-accent: #062320;
  --accent-bright: #46d3c3;
  --accent-soft: rgb(70 211 195 / 0.14);
  --accent-line: rgb(70 211 195 / 0.45);
  --ember: #ff9466;
  --ember-soft: rgb(255 148 102 / 0.14);
  --danger: #ff7a7a;
  --danger-soft: rgb(255 122 122 / 0.13);
  --press: rgb(234 245 243 / 0.06);
  --glass: rgb(17 30 35 / 0.78);
  --bar-bg: rgb(17 30 35 / 0.92); /* tab bar + mini player: --surface at 92% so labels stay clean over covers */
  --scrim: rgb(3 10 12 / 0.62);
  --shadow: 0 12px 32px rgb(2 12 14 / 0.55);
  --shadow-cover: 0 2px 4px rgb(2 12 14 / 0.4), 0 12px 28px rgb(2 12 14 / 0.45);
  --water-top: rgb(70 211 195 / 0.5);
  --water-bottom: rgb(12 111 102 / 0.82);
  --heat-0: #17282f;
  --heat-1: #164a4a;
  --heat-2: #1b6f69;
  --heat-3: #2a9e93;
  --heat-4: #46d3c3;
  --heat-ink-0: #a3b6b5;
  --heat-ink-1: #eaf4f2;
  --heat-ink-2: #eaf4f2;
  --heat-ink-3: #062320;
  --heat-ink-4: #062320;
  --glow: rgb(70 211 195 / 0.16);

  --font: 'Outfit', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-sheet: cubic-bezier(0.32, 0.72, 0, 1);
  --t-ui: 240ms;
  --t-sheet: 420ms;
  --gutter: 20px;
  --topbar-h: 52px;
  --tab-h: 64px;
  --tab-gap: 10px;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  /* z-index scale */
  --z-sticky: 20;
  --z-tabbar: 30;
  --z-mini: 31;
  --z-np: 50;
  --z-sheet: 60;
  --z-toast: 80;
  --z-grain: 90;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f2f7f6;
    --surface: #fbfdfd;
    --surface-2: #e6efee;
    --line: rgb(15 35 38 / 0.09);
    --line-2: rgb(15 35 38 / 0.16);
    --text: #0e1f23;
    --text-2: #4e6366;
    /* DESIGN.md says #0C8579; darkened a notch so labels on it and it on the page pass WCAG AA (5.1:1). */
    --accent: #0a7a6f;
    --on-accent: #fbfdfd;
    --accent-bright: #2bc2b2;
    --accent-soft: rgb(10 122 111 / 0.1);
    --accent-line: rgb(10 122 111 / 0.4);
    --ember: #e4682f;
    --ember-soft: rgb(228 104 47 / 0.12);
    --danger: #c93c3c;
    --danger-soft: rgb(201 60 60 / 0.1);
    --press: rgb(15 35 38 / 0.05);
    --glass: rgb(251 253 253 / 0.8);
    --bar-bg: rgb(251 253 253 / 0.9);
    --scrim: rgb(14 40 40 / 0.32);
    --shadow: 0 12px 32px rgb(12 60 58 / 0.14);
    --shadow-cover: 0 2px 4px rgb(12 60 58 / 0.14), 0 12px 26px rgb(12 60 58 / 0.18);
    --water-top: rgb(43 194 178 / 0.5);
    --water-bottom: rgb(12 111 102 / 0.82);
    --heat-0: #e3eceb;
    --heat-1: #bde8e2;
    --heat-2: #7dd6cb;
    --heat-3: #2fb3a5;
    --heat-4: #0c7a6f;
    --heat-ink-0: #4e6366;
    --heat-ink-1: #0e1f23;
    --heat-ink-2: #0e1f23;
    --heat-ink-3: #0e1f23;
    --heat-ink-4: #fbfdfd;
    --glow: rgb(43 194 178 / 0.18);
  }
}

/* ---------- base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
  --tabbar-space: 0px;
  --mini-space: 0px;
  --bottom-space: calc(var(--tabbar-space) + var(--mini-space));
  --footer-safe: var(--safe-b);
}

body.has-tabbar {
  --tabbar-space: calc(var(--tab-h) + var(--tab-gap) + var(--safe-b));
}

body.has-mini {
  --mini-space: 72px;
}

body.has-mini:not(.has-tabbar) {
  --mini-space: calc(72px + var(--safe-b));
  --footer-safe: 0px;
}

/* keep the setup flow focused: no mini player there unless a book is playing */
body.has-mini[data-route='new']:not(.is-playing) {
  --mini-space: 0px;
  --footer-safe: var(--safe-b);
}

body[data-route='new']:not(.is-playing) .mini {
  display: none;
}

/* subtle grain over the whole app (fixed, never on scrolling containers) */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

html.sheet-open body,
html.np-open body {
  overflow: hidden;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

a {
  color: inherit;
  touch-action: manipulation;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: 16px;
}

img {
  -webkit-user-drag: none;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.ic {
  flex: none;
  display: block;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.muted {
  color: var(--text-2);
}

.accent {
  color: var(--accent);
}

.num {
  font-variant-numeric: tabular-nums;
}

.noscript {
  padding: 24px;
  text-align: center;
}

.sb-scrim {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--safe-t);
  background: var(--bg);
  pointer-events: none;
}

#view {
  min-height: 100vh;
  padding-bottom: calc(var(--bottom-space) + 28px + var(--safe-b));
}

body.has-tabbar #view {
  padding-bottom: calc(var(--bottom-space) + 28px);
}

#view.view-new {
  padding-bottom: calc(var(--mini-space));
}

#view.enter {
  animation: view-in var(--t-ui) var(--ease);
}

@keyframes view-in {
  from {
    opacity: 0;
  }
}

.boot {
  min-height: 70vh;
  display: grid;
  place-items: center;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 8px max(var(--gutter), var(--safe-r)) 0 max(var(--gutter), var(--safe-l));
}

.page-tab {
  padding-top: calc(var(--safe-t) + 18px);
}

/* type roles */
.t-display,
.page-title {
  margin: 0;
  font-size: 30px;
  line-height: 34px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.t-title {
  margin: 0;
  font-size: 22px;
  line-height: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.t-headline,
.section-title {
  margin: 0;
  font-size: 17px;
  line-height: 24px;
  font-weight: 600;
}

.t-label {
  font-size: 14px;
  line-height: 20px;
  font-weight: 500;
}

.t-caption {
  font-size: 13px;
  line-height: 18px;
  font-weight: 500;
}

/* staggered first-load entry */
.stagger > * {
  animation: fade-up 520ms var(--ease) both;
  animation-delay: calc(var(--i, 0) * 40ms);
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
}

/* ---------- spinner + skeletons ---------- */

.spinner {
  display: inline-block;
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2.5px solid var(--line-2);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

.spinner.sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner.xs {
  width: 12px;
  height: 12px;
  border-width: 2px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.sk {
  background: var(--surface-2);
  border-radius: 14px;
  animation: sk-pulse 1.4s ease-in-out infinite;
}

.sk-line {
  height: 14px;
  border-radius: 999px;
  margin-top: 10px;
}

.sk-cover {
  aspect-ratio: 2 / 3;
}

@keyframes sk-pulse {
  50% {
    opacity: 0.55;
  }
}

/* ---------- top bar (pushed screens) ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  display: grid;
  grid-template-columns: minmax(108px, 1fr) minmax(0, 2fr) minmax(108px, 1fr);
  align-items: center;
  gap: 4px;
  height: calc(var(--topbar-h) + var(--safe-t));
  padding: var(--safe-t) max(8px, var(--safe-r)) 0 max(8px, var(--safe-l));
  background: var(--bar-bg); /* like the tab bar: content passing under it disappears cleanly */
  -webkit-backdrop-filter: saturate(1.4) blur(20px);
  backdrop-filter: saturate(1.4) blur(20px);
  border-bottom: 1px solid transparent;
}

html.scrolled .topbar,
html.scrolled .flow-head {
  border-bottom-color: var(--line);
}

.topbar-side {
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
}

.topbar-side.end {
  justify-content: flex-end;
}

.topbar-title {
  min-width: 0;
  text-align: center;
  font-size: 17px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
}

.topbar-title > span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-title {
  opacity: 0;
  transition: opacity var(--t-ui);
}

.show-title .bar-title,
.bar-title.always {
  opacity: 1;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  transition: transform var(--t-ui) var(--ease);
}

.icon-btn:active:not(:disabled) {
  background: var(--press);
  transform: scale(0.97);
}

.icon-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.icon-btn.filled {
  background: var(--surface-2);
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  min-height: 44px;
  min-width: 44px;
  padding: 0 10px 0 4px;
  border-radius: 999px;
  color: var(--accent);
  font-size: 17px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
}

.back-btn span {
  overflow: hidden;
  text-overflow: ellipsis;
}

.back-btn:active {
  opacity: 0.6;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--t-ui) var(--ease), opacity var(--t-ui);
  -webkit-user-select: none;
  user-select: none;
}

.btn:active:not(:disabled) {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
}

.btn-ghost {
  color: var(--accent);
}

.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-lg {
  min-height: 56px;
  font-size: 17px;
}

.btn-sm {
  min-height: 44px;
  padding: 0 18px;
  font-size: 15px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.btn-col {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 4px;
  color: var(--accent);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

.link-btn.danger {
  color: var(--danger);
}

.link-btn:active {
  opacity: 0.6;
}

.chip-btn {
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

.chip-btn:active {
  transform: scale(0.97);
}

.chip {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.chip-accent {
  background: var(--accent-soft);
  color: var(--accent);
}

.chip-ghost {
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--line-2);
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
}

/* ---------- surfaces ---------- */

.card {
  background: var(--surface);
  border-radius: 14px;
  padding: 16px;
  box-shadow: inset 0 0 0 1px var(--line);
}

.callout {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0 0 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 15px;
  line-height: 1.45;
}

.callout > .ic {
  margin-top: 1px;
  color: var(--text-2);
}

.callout-body {
  flex: 1;
  min-width: 0;
}

.callout a {
  color: var(--accent);
  font-weight: 600;
}

.callout-info > .ic,
.callout-demo > .ic {
  color: var(--accent);
}

.callout-demo {
  background: var(--accent-soft);
  box-shadow: none;
}

.callout-warn {
  background: var(--surface-2);
  box-shadow: none;
}

.callout-warn > .ic {
  color: var(--text);
}

.callout-error {
  background: var(--danger-soft);
  box-shadow: none;
}

.callout-error > .ic {
  color: var(--danger);
}

.callout-ok {
  background: var(--accent-soft);
  box-shadow: none;
}

.callout-ok > .ic {
  color: var(--accent);
}

.callout-offline {
  background: var(--surface-2);
  box-shadow: none;
}

.banners:empty {
  display: none;
}

.bar {
  height: 6px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}

.bar i {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transform-origin: left center;
  transform: scaleX(var(--p, 0));
  transition: transform 600ms var(--ease);
}

.bar-thin {
  height: 4px;
}

.bar-lg {
  height: 8px;
}

.bar.muted i {
  background: var(--text-2);
}

.loading-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 4px;
  color: var(--text-2);
  font-size: 15px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 32px 0 12px;
}

.section-title.spaced {
  margin: 32px 0 12px;
}

.section-meta {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

/* ---------- covers ---------- */

.cover {
  position: relative;
  flex: none;
  width: 56px;
  aspect-ratio: 2 / 3;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(160deg, hsl(var(--h, 175) 42% 34%), hsl(calc(var(--h, 175) + 30) 48% 16%));
  box-shadow: var(--shadow-cover);
  font-size: 26px;
}

.cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cover::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.1);
}

.cover-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.cover-letter {
  font-weight: 650;
  color: rgb(234 244 242 / 0.9);
}

.cover.has-img .cover-fallback {
  display: none;
}

.cover-sm {
  width: 34px;
  border-radius: 8px;
  font-size: 16px;
}

.cover-sm2 {
  width: 56px;
}

.cover-setup {
  width: 72px;
  font-size: 32px;
}

/* ---------- water cover ---------- */

.wc {
  --fill: 0%;
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 3;
  border-radius: 14px;
  overflow: hidden;
  isolation: isolate;
  box-shadow: var(--shadow-cover);
  background: var(--surface-2);
}

.wc .cover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: 0;
  box-shadow: none;
  font-size: 48px;
  transition: opacity var(--t-ui);
}

.wc .cover::after {
  display: none;
}

/* inner 1px highlight */
.wc::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 4;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.12);
}

.wc-water {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to bottom, var(--water-top), var(--water-bottom));
  transform: translateY(calc(100% - var(--fill)));
  transition: transform 600ms var(--ease);
  will-change: transform;
}

.wc.rise .wc-water {
  transition-duration: 1200ms;
}

.wc.is-empty .wc-water {
  visibility: hidden;
}

.wc.rise.is-empty .wc-water {
  visibility: visible;
}

.wc-crest {
  position: absolute;
  left: 0;
  right: 0;
  top: -9px;
  height: 10px;
  transform-origin: bottom center;
  transition: transform 800ms var(--ease);
}

.wc-wave {
  position: absolute;
  left: 0;
  top: 0;
  width: 200%;
  height: 100%;
  overflow: visible;
}

.wc-wave path {
  fill: var(--water-top);
}

.wc-wave.w1 {
  opacity: 0.9;
  animation: wave-left 7s linear infinite;
}

.wc-wave.w1 path {
  stroke: rgb(234 250 247 / 0.5);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.wc-wave.w2 {
  opacity: 0.45;
  animation: wave-right 11s linear infinite;
}

@keyframes wave-left {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes wave-right {
  from {
    transform: translateX(-50%);
  }
  to {
    transform: translateX(0);
  }
}

.wc.offscreen .wc-wave {
  animation-play-state: paused;
}

/* full: waves calm down */
.wc.is-full .wc-crest {
  transform: scaleY(0.45);
}

.wc.is-full .wc-wave.w1 {
  animation-duration: 16s;
}

.wc.is-full .wc-wave.w2 {
  animation-duration: 24s;
}

.wc-pct {
  position: absolute;
  left: 9px;
  bottom: 7px;
  z-index: 3;
  font-size: 14px;
  line-height: 18px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  color: #eaf4f2;
  text-shadow: 0 1px 6px rgb(3 20 20 / 0.55);
}

.wc.is-empty .wc-pct,
.wc.is-creating .wc-pct,
.wc-xs .wc-pct,
.wc-sm .wc-pct {
  display: none;
}

.wc-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 3;
  display: none;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent-bright);
  box-shadow: 0 2px 8px rgb(2 12 14 / 0.3);
}

.wc.is-full:not(.is-creating) .wc-badge {
  display: grid;
}

.wc-sm .wc-badge {
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
}

.wc-xs .wc-badge,
.wc-xs .wc-crest {
  display: none;
}

/* one-time shimmer the first time a book is seen full */
.wc.shimmer::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(105deg, transparent 35%, rgb(255 255 255 / 0.28) 50%, transparent 65%);
  transform: translateX(-100%);
  animation: shimmer 1.6s var(--ease) 0.9s 1 forwards;
}

@keyframes shimmer {
  to {
    transform: translateX(100%);
  }
}

/* creation state: dimmed cover + ring */
.wc.is-creating .cover {
  opacity: 1;
}

.wc.is-creating .wc-water {
  display: none;
}

.wc-create {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px;
  text-align: center;
  color: #eaf4f2;
  background: rgb(5 20 22 / 0.62);
}

.wc-ring {
  width: 52px;
  height: 52px;
  transform: rotate(-90deg);
}

.wc-ring circle {
  fill: none;
  stroke-width: 4;
}

.wc-ring-track {
  stroke: rgb(234 245 243 / 0.22);
}

.wc-ring-bar {
  stroke: var(--accent-bright);
  stroke-linecap: round;
}

.wc-create-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: rgb(3 16 18 / 0.45);
  color: #eaf4f2;
}

.wc[data-creating='error'] .wc-create-label,
.wc[data-creating='draft'] .wc-create-label {
  display: none;
}

.wc[data-creating='error'] .wc-create-icon {
  color: #ff8f8f;
}

.wc-create-label {
  font-size: 13px;
  line-height: 18px;
  font-weight: 600;
  color: #eaf4f2;
  text-shadow: 0 1px 6px rgb(3 20 20 / 0.6);
}

.wc-xs .wc-create,
.wc-sm .wc-create {
  display: none !important;
}

.wc-xs {
  width: 34px;
  border-radius: 8px;
  box-shadow: none;
}

.wc-sm {
  width: 44px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgb(2 12 14 / 0.25);
}

.wc-sm .cover,
.wc-xs .cover {
  font-size: 18px;
}

.wc-lg {
  width: 128px;
}

.wc-np .cover {
  font-size: 80px;
}

/* ---------- tab bar ---------- */

.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(var(--safe-b) + var(--tab-gap));
  z-index: var(--z-tabbar);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(400px, calc(100% - 32px));
  height: var(--tab-h);
  margin: 0 auto;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--bar-bg);
  -webkit-backdrop-filter: blur(26px) saturate(1.6);
  backdrop-filter: blur(26px) saturate(1.6);
  box-shadow: inset 0 0 0 1px var(--line-2), inset 0 1px 0 rgb(255 255 255 / 0.06), var(--shadow);
}

.tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 44px;
  border-radius: 999px;
  color: var(--text-2);
  text-decoration: none;
  transition: transform var(--t-ui) var(--ease);
}

.tab:active {
  transform: scale(0.97);
}

.tab[aria-current='page'] {
  color: var(--accent);
}

.tab-label {
  font-size: 13px;
  line-height: 16px;
  font-weight: 500;
}

/* ---------- mini player ---------- */

.mini {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(var(--tabbar-space) + 8px);
  z-index: var(--z-mini);
  display: flex;
  align-items: center;
  gap: 4px;
  width: min(400px, calc(100% - 32px));
  height: 64px;
  margin: 0 auto;
  padding: 0 8px 0 12px;
  border-radius: 999px;
  background: var(--bar-bg);
  -webkit-backdrop-filter: blur(26px) saturate(1.6);
  backdrop-filter: blur(26px) saturate(1.6);
  box-shadow: inset 0 0 0 1px var(--line-2), var(--shadow);
  overflow: hidden;
}

body:not(.has-tabbar) .mini {
  bottom: calc(var(--safe-b) + 10px);
}

.mini-progress {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  overflow: hidden;
}

.mini-progress i {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--accent);
  transform-origin: left center;
  transform: scaleX(var(--p, 0));
}

.mini-main {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 12px;
  min-width: 0;
  height: 100%;
  color: inherit;
  text-align: left;
}

.mini-art {
  flex: none;
  display: flex;
}

.mini-text {
  min-width: 0;
}

.mini-title {
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mini-sub {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-variant-numeric: tabular-nums;
}

.mini-play {
  position: relative;
  width: 48px;
  height: 48px;
  background: var(--accent);
  color: var(--on-accent);
}

.mini-play .ic-play {
  transform: translateX(1.5px);
}

.mini-play.is-loading::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 999px;
  border: 2.5px solid transparent;
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

/* ---------- now playing ---------- */

.np {
  position: fixed;
  inset: 0;
  z-index: var(--z-np);
  background: var(--bg);
  overflow: hidden;
  visibility: hidden;
  transform: translateY(100%);
  transition: transform var(--t-sheet) var(--ease-sheet), visibility 0s linear var(--t-sheet);
}

.np.open {
  visibility: visible;
  transform: none;
  transition: transform var(--t-sheet) var(--ease-sheet), visibility 0s;
}

.np::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 70%;
  background: radial-gradient(80% 60% at 50% 0%, var(--glow), transparent 72%);
  pointer-events: none;
}

.np-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 520px;
  height: 100%;
  margin: 0 auto;
  padding: calc(var(--safe-t) + 2px) max(22px, var(--safe-r)) calc(var(--safe-b) + 12px) max(22px, var(--safe-l));
  overflow-y: auto;
}

.np-top {
  display: grid;
  flex: none;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  min-height: 52px;
  margin: 0 -8px;
}

.np-kicker {
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  color: var(--text-2);
}

.np-top-eq {
  display: grid;
  place-items: center;
}

.np-art {
  display: flex;
  flex: 1 1 0;
  align-items: center;
  justify-content: center;
  min-height: 150px;
  padding: 6px 0 20px;
}

.np-art .wc {
  width: auto;
  height: 100%;
  max-height: 380px;
  max-width: 76%;
  border-radius: 14px;
  box-shadow: 0 4px 10px rgb(2 12 14 / 0.3), 0 28px 56px rgb(2 12 14 / 0.4);
}

.np-meta {
  flex: none;
  text-align: center;
}

.np-chapter {
  margin: 0;
  font-size: 22px;
  line-height: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: anywhere;
}

.np-book {
  margin-top: 4px;
  font-size: 15px;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.np-scrub {
  flex: none;
  margin-top: 14px;
}

.scrub {
  --pct: 0%;
  display: block;
  width: 100%;
  height: 44px;
  margin: 0;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.scrub::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--accent) var(--pct), var(--surface-2) var(--pct));
}

.scrub::-webkit-slider-thumb {
  width: 18px;
  height: 18px;
  margin-top: -6px;
  border-radius: 50%;
  background: var(--text);
  box-shadow: 0 1px 4px rgb(2 12 14 / 0.4);
  -webkit-appearance: none;
  appearance: none;
}

.scrub::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--accent) var(--pct), var(--surface-2) var(--pct));
}

.scrub::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: 0;
  border-radius: 50%;
  background: var(--text);
}

.np-times {
  display: flex;
  justify-content: space-between;
  margin-top: -6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.np-pos {
  flex: none;
  min-height: 20px;
  margin-top: 8px;
  font-size: 14px;
  text-align: center;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.np-wait {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 6px;
  font-size: 14px;
  text-align: center;
  color: var(--accent);
}

.np-transport {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: space-between;
  margin: 14px 0 12px;
}

.np-btn {
  width: 56px;
  height: 56px;
}

.np-play {
  position: relative;
  display: grid;
  place-items: center;
  flex: none;
  width: 84px;
  height: 84px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 12px 30px rgb(12 111 102 / 0.35);
  transition: transform var(--t-ui) var(--ease);
}

/* optical centring: the play triangle's visual centre sits right of its box centre */
.np-play .ic-play {
  transform: translateX(3px);
}

.np-play:active {
  transform: scale(0.97);
}

.np-play.is-loading::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 999px;
  border: 3px solid transparent;
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

.np-extras {
  display: grid;
  flex: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 6px;
}

.np-x {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 62px;
  padding: 6px 4px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform var(--t-ui) var(--ease);
}

.np-x:active {
  transform: scale(0.97);
}

.np-x.on {
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: none;
}

.x-big {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 22px;
  font-size: 16px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.x-cap {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.np-x.on .x-cap {
  color: var(--accent);
}

.np-dl {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  margin-top: 6px;
  color: var(--accent);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

@media (max-height: 700px) {
  .np-art {
    padding: 2px 0 12px;
  }
  .np-transport {
    margin: 8px 0;
  }
  .np-x {
    min-height: 54px;
  }
  .np-dl {
    min-height: 40px;
    margin-top: 2px;
  }
}

/* equalizer glyph (playing chapter) */
.eq {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  width: 14px;
  height: 14px;
}

.eq i {
  flex: 1;
  height: 100%;
  border-radius: 1px;
  background: var(--accent);
  transform-origin: bottom;
  animation: eq 0.9s ease-in-out infinite alternate;
}

.eq i:nth-child(1) {
  animation-duration: 0.7s;
}

.eq i:nth-child(2) {
  animation-duration: 1.05s;
  animation-delay: -0.4s;
}

.eq i:nth-child(3) {
  animation-duration: 0.85s;
  animation-delay: -0.2s;
}

.eq.paused i,
.ch:not(.is-playing) .eq i {
  animation-play-state: paused;
}

@keyframes eq {
  from {
    transform: scaleY(0.25);
  }
  to {
    transform: scaleY(1);
  }
}

/* ---------- goal ring (library + stats) ---------- */

.goal-ring {
  position: relative;
  display: grid;
  place-items: center;
  flex: none;
  width: var(--ring, 64px);
  height: var(--ring, 64px);
}

.goal-ring svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.goal-ring circle {
  fill: none;
  stroke-width: 6;
}

.goal-ring .gr-track {
  stroke: var(--surface-2);
}

.goal-ring .gr-bar {
  stroke: var(--accent-bright);
  stroke-linecap: round;
}

.goal-ring.done .gr-bar {
  stroke: var(--accent);
}

.gr-center {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}

.gr-num {
  font-size: 19px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.gr-unit {
  margin-top: 3px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

/* ---------- library ---------- */

.page-library {
  position: relative;
  isolation: isolate;
}

.page-library::before {
  content: '';
  position: absolute;
  top: calc(-1 * var(--safe-t) - 40px);
  left: 0;
  right: 0;
  height: 420px;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(55% 60% at 28% 0%, var(--glow), transparent 72%);
}

.lib-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.lib-head .t-display {
  min-width: 0;
}

.lib-head-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: none;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.status-chip.warn {
  background: var(--surface-2);
  color: var(--text);
}

.status-chip.err {
  background: var(--danger-soft);
  color: var(--danger);
}

.today-strip {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  margin: 0 0 22px;
  padding: 14px 16px 14px 14px;
  border-radius: 14px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
  text-align: left;
  color: inherit;
  text-decoration: none;
  transition: transform var(--t-ui) var(--ease);
}

.today-strip:active {
  transform: scale(0.98);
}

.today-text {
  min-width: 0;
  flex: 1;
}

.today-line {
  font-size: 16px;
  font-weight: 500;
  line-height: 22px;
}

.today-sub {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
}

.flame {
  color: var(--ember);
}

.today-strip > .ic-chevronRight {
  color: var(--text-2);
}

.hero-continue {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 18px;
  align-items: end;
  margin: 0 0 8px;
  color: inherit;
  text-decoration: none;
}

.hero-continue .wc {
  width: 112px;
}

.hc-text {
  min-width: 0;
  padding-bottom: 2px;
}

.hc-kicker {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
}

.hc-title {
  margin: 4px 0 2px;
  font-size: 22px;
  line-height: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: anywhere;
}

.hc-meta {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.hc-play {
  margin-top: 14px;
  min-height: 48px;
  padding: 0 22px 0 18px;
}

.shelf-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 32px 0 16px;
}

.shelf-head-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.seg {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: var(--surface-2);
}

.seg-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 2px 8px;
  border-radius: 999px;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 500;
}

.seg-btn[aria-checked='true'],
.seg-btn[aria-selected='true'] {
  background: var(--accent);
  color: var(--on-accent);
}

.seg-main {
  font-size: 15px;
  font-weight: 600;
}

.seg-sub {
  font-size: 13px;
  font-weight: 500;
  opacity: 0.85;
  font-variant-numeric: tabular-nums;
}

.seg-sm .seg-btn {
  min-height: 44px;
}

.seg-lg .seg-btn {
  min-height: 52px;
}

.shelf {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 16px;
}

@media (min-width: 600px) {
  .shelf {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.shelf-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  color: inherit;
  text-decoration: none;
  -webkit-touch-callout: none;
  transition: transform var(--t-ui) var(--ease);
}

.shelf-item:active {
  transform: scale(0.97);
}

.shelf-title {
  margin-top: 10px;
  font-size: 15px;
  line-height: 20px;
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: anywhere;
}

.shelf-author {
  margin-top: 2px;
  font-size: 13px;
  line-height: 18px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shelf-note {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 3px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.shelf-note.warn {
  color: var(--text);
}

.shelf-note.warn .ic {
  color: var(--danger);
}

.shelf-note .ic-downloaded {
  color: var(--accent);
}

.add-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  aspect-ratio: 2 / 3;
  border-radius: 14px;
  border: 1.5px dashed var(--accent-line);
  color: var(--accent);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--t-ui) var(--ease);
}

.add-tile:active {
  transform: scale(0.97);
  background: var(--accent-soft);
}

.add-tile-ic {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: var(--accent-soft);
}

.shelf-empty {
  grid-column: 1 / -1;
  padding: 18px 0 6px;
  color: var(--text-2);
  font-size: 15px;
}

.empty {
  padding: 36px 0 12px;
}

.empty-art {
  display: grid;
  place-items: center;
  width: 96px;
  height: 96px;
  margin-bottom: 20px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.empty-title {
  margin: 0 0 8px;
  font-size: 22px;
  line-height: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.empty-text {
  max-width: 36ch;
  margin: 0 0 22px;
  color: var(--text-2);
}

/* ---------- stats ---------- */

.stats-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 22px;
}

.month-switch {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 2px;
  border-radius: 999px;
  background: var(--surface-2);
}

.month-switch .icon-btn {
  width: 40px;
  height: 40px;
}

.month-label {
  min-width: 118px;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
}

.hero-row {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  gap: 12px;
}

.streak-tile {
  position: relative;
  overflow: hidden;
  padding: 16px;
  border-radius: 14px;
  background: radial-gradient(120% 100% at 0% 0%, var(--ember-soft), transparent 70%), var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
}

.streak-tile .flame {
  display: block;
  margin-bottom: 10px;
}

.streak-num {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.streak-num b {
  font-size: 36px;
  line-height: 38px;
  font-weight: 650;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.streak-num span {
  font-size: 17px;
  font-weight: 600;
}

.streak-sub {
  margin-top: 4px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.ring-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 10px;
  border-radius: 14px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform var(--t-ui) var(--ease);
}

.ring-tile:active {
  transform: scale(0.97);
}

.ring-tile-cap {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.cal {
  margin-top: 28px;
}

.cal-dow,
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 6px;
}

.cal-dow span {
  padding-bottom: 6px;
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  color: var(--text-2);
}

.cal-day {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  min-height: 40px;
  border-radius: 8px;
  background: var(--heat-0);
  color: var(--heat-ink-0);
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  transition: transform var(--t-ui) var(--ease);
}

.cal-day:active:not(:disabled) {
  transform: scale(0.94);
}

.cal-day.l1 {
  background: var(--heat-1);
  color: var(--heat-ink-1);
}

.cal-day.l2 {
  background: var(--heat-2);
  color: var(--heat-ink-2);
}

.cal-day.l3 {
  background: var(--heat-3);
  color: var(--heat-ink-3);
}

.cal-day.l4 {
  background: var(--heat-4);
  color: var(--heat-ink-4);
}

.cal-day.future {
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--text-2);
  opacity: 0.6;
  cursor: default;
}

.cal-day.today {
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent);
}

.cal-day.selected {
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 5px var(--text);
}

.cal-day.today.selected {
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 5px var(--accent);
}

.cal-pad {
  aspect-ratio: 1;
}

.legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.legend i {
  width: 16px;
  height: 16px;
  border-radius: 5px;
}

.legend span {
  margin: 0 4px;
}

.usual {
  margin-top: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  text-align: right;
}

.day-detail {
  margin-top: 26px;
  padding: 16px;
  border-radius: 14px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
}

.dd-date {
  margin: 0;
  font-size: 17px;
  line-height: 24px;
  font-weight: 600;
}

.dd-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 8px;
}

.dd-stat {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 15px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.dd-stat .ic {
  color: var(--accent);
}

.dd-books {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.dd-book {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.dd-book-text {
  flex: 1;
  min-width: 0;
}

.dd-book-title {
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dd-book-min {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.dd-finished {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

.dd-empty {
  margin-top: 8px;
  color: var(--text-2);
  font-size: 15px;
}

.bento {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: auto auto auto;
  gap: 12px;
}

.bt {
  min-width: 0;
  padding: 16px;
  border-radius: 14px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
}

.bt-wide {
  grid-column: 1 / -1;
  background: radial-gradient(120% 120% at 100% 0%, var(--glow), transparent 65%), var(--surface);
}

.bt-tall {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bt-label {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
}

.bt-label .ic {
  color: var(--accent);
}

.bt-value {
  margin-top: 6px;
  font-size: 26px;
  line-height: 30px;
  font-weight: 650;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.bt-wide .bt-value {
  font-size: 34px;
  line-height: 38px;
}

.bt-sub {
  margin-top: 2px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.delta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.delta.down {
  background: var(--surface-2);
  color: var(--text-2);
}

.covers-stack {
  display: flex;
  margin-top: 14px;
  padding-left: 4px;
}

.covers-stack .wc {
  width: 58px;
  margin-left: -16px;
  box-shadow: 0 0 0 2px var(--surface), 0 4px 10px rgb(2 12 14 / 0.3);
}

.covers-stack .wc:first-child {
  margin-left: 0;
}

.fin-row {
  display: flex;
  gap: 14px;
  margin: 0 calc(-1 * var(--gutter));
  padding: 4px var(--gutter) 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.fin-row::-webkit-scrollbar {
  display: none;
}

.fin-item {
  flex: none;
  width: 108px;
  scroll-snap-align: start;
  color: inherit;
  text-decoration: none;
}

.fin-item .shelf-title {
  font-size: 14px;
  line-height: 19px;
}

.milestones {
  display: flex;
  gap: 10px;
  margin: 0 calc(-1 * var(--gutter));
  padding: 2px var(--gutter) 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.milestones::-webkit-scrollbar {
  display: none;
}

.ms {
  display: flex;
  flex: none;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 8px 16px 8px 8px;
  border-radius: 999px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
}

.ms-ic {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  color: var(--text-2);
  box-shadow: inset 0 0 0 1.5px var(--line-2);
}

.ms.earned .ms-ic {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: none;
}

.ms-name {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.ms-left {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
}

.stats-empty {
  margin-top: 18px;
  padding: 18px;
  border-radius: 14px;
  background: var(--accent-soft);
}

.stats-empty-title {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 600;
}

.stats-empty p {
  margin: 0 0 14px;
  color: var(--text-2);
}

.sheet-goal .seg {
  margin: 8px 0 18px;
}

/* ---------- sheets ---------- */

.scrim {
  position: fixed;
  inset: 0;
  z-index: var(--z-sheet);
  background: var(--scrim);
  opacity: 0;
  transition: opacity var(--t-sheet) var(--ease-sheet);
}

.scrim.show {
  opacity: 1;
}

.sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: calc(var(--z-sheet) + 1);
  max-width: 560px;
  max-height: 88vh;
  max-height: 88dvh;
  margin: 0 auto;
  padding: 0 max(20px, var(--safe-r)) calc(18px + var(--safe-b)) max(20px, var(--safe-l));
  overflow-y: auto;
  overscroll-behavior: contain;
  border-radius: 24px 24px 0 0;
  background: var(--surface);
  box-shadow: 0 -12px 40px rgb(2 12 14 / 0.3);
  transform: translateY(105%);
  transition: transform var(--t-sheet) var(--ease-sheet);
}

.sheet.show {
  transform: none;
}

.sheet-form {
  max-height: 94vh;
  max-height: 94dvh;
}

.grabber {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 26px;
  margin: 0 -20px;
  background: var(--surface);
  touch-action: none;
}

.grabber::before {
  content: '';
  width: 38px;
  height: 5px;
  border-radius: 999px;
  background: var(--line-2);
}

.sheet-title {
  margin: 2px 0 6px;
  font-size: 19px;
  font-weight: 600;
  text-align: center;
  overflow-wrap: anywhere;
}

.sheet-msg {
  margin: 0 0 14px;
  font-size: 15px;
  text-align: center;
  color: var(--text-2);
}

.action-list {
  display: grid;
  margin: 8px 0 12px;
  border-radius: 14px;
  background: var(--surface-2);
  overflow: hidden;
}

.action {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 56px;
  padding: 8px 16px;
  border-top: 1px solid var(--line);
  color: var(--text);
  font-size: 16px;
  font-weight: 500;
  text-align: left;
  text-decoration: none;
}

.action:first-child {
  border-top: 0;
}

.action:active:not(:disabled) {
  background: var(--press);
}

.action:disabled {
  opacity: 0.45;
  cursor: default;
}

.action > .ic {
  color: var(--accent);
}

.action.danger,
.action.danger > .ic {
  color: var(--danger);
}

.action-text {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-width: 0;
}

.action-hint {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.action.checked .action-label {
  font-weight: 650;
}

.ic-spacer {
  flex: none;
  width: 22px;
}

/* ---------- toasts ---------- */

#toast-root {
  position: fixed;
  top: calc(var(--safe-t) + 8px);
  left: 0;
  right: 0;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 0 max(12px, var(--safe-r)) 0 max(12px, var(--safe-l));
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: 520px;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  backdrop-filter: blur(20px) saturate(1.5);
  box-shadow: inset 0 0 0 1px var(--line-2), var(--shadow);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.35;
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity var(--t-ui), transform var(--t-ui) var(--ease);
  pointer-events: auto;
}

.toast.show {
  opacity: 1;
  transform: none;
}

.toast > .ic {
  color: var(--accent);
}

.toast-error > .ic {
  color: var(--danger);
}

.toast-msg {
  flex: 1;
  min-width: 0;
}

.toast-action {
  min-height: 36px;
  padding: 0 6px;
  color: var(--accent);
  font-weight: 650;
}

/* ---------- book screen ---------- */

.hero {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  align-items: end;
  gap: 18px;
  margin: 14px 0 20px;
}

.hero-text {
  min-width: 0;
}

.hero-title {
  margin: 0 0 4px;
  font-size: 26px;
  line-height: 30px;
  font-weight: 650;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.hero-author {
  font-size: 16px;
  color: var(--text-2);
}

.hero-voice {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
}

.hero-meta {
  margin-top: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
}

.hero-progress {
  margin-top: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.primary-slot {
  margin-bottom: 16px;
}

.btn-play {
  min-height: 60px;
  gap: 12px;
  box-shadow: 0 10px 26px rgb(12 111 102 / 0.28);
}

.btn-play .ic-play {
  transform: translateX(1px);
}

.btn-play:disabled {
  box-shadow: none;
}

.btn-play-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
  text-align: left;
}

.btn-play-text small {
  font-size: 13px;
  font-weight: 500;
  opacity: 0.85;
}

.render-card {
  margin-bottom: 16px;
}

.rc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.rc-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
}

.rc-pct {
  font-size: 17px;
  font-weight: 650;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.rc-eta {
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-2);
}

.rc-now {
  margin-top: 2px;
  font-size: 14px;
  color: var(--text-2);
}

.rc-now:empty {
  display: none;
}

.rc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.rc-error {
  font-size: 15px;
  line-height: 1.45;
  color: var(--danger);
  overflow-wrap: anywhere;
}

.render-card.error .rc-label {
  color: var(--danger);
}

.dl-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 14px;
}

.dl-ic {
  color: var(--accent);
}

.dl-text {
  display: grid;
  flex: 1;
  gap: 6px;
  min-width: 0;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
}

.badge-ok {
  background: var(--accent-soft);
  color: var(--accent);
}

.files-slot:empty {
  display: none;
}

.files {
  margin-bottom: 8px;
}

.files-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin: 28px 0 12px;
}

.files-hint {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  text-align: right;
}

.file-tiles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.file-tile {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 60px;
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--text);
  text-decoration: none;
  -webkit-touch-callout: none;
  transition: transform var(--t-ui) var(--ease);
}

.file-tile:active {
  transform: scale(0.97);
}

.file-tile > .ic {
  color: var(--accent);
}

.file-tile-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.file-main {
  font-size: 15px;
  font-weight: 600;
  line-height: 20px;
}

.file-sub {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.file-tile:not(.primary) {
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 14px;
}

.file-tile.primary {
  grid-column: 1 / -1;
  min-height: 64px;
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 10px 24px rgb(12 111 102 / 0.25);
}

.file-tile.primary > .ic,
.file-tile.primary .file-sub {
  color: var(--on-accent);
}

.file-tile.primary .file-sub {
  opacity: 0.85;
}

.ch-head {
  margin-top: 32px;
}

.ch-list {
  margin: 0 -8px;
}

.ch-row {
  position: relative;
  border-top: 1px solid var(--line);
}

.ch-row:first-child {
  border-top: 0;
}

.ch {
  position: relative;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 60px;
  padding: 11px 12px 11px 8px;
  border-radius: 14px;
  color: var(--text);
  text-align: left;
}

.ch.has-dl {
  padding-right: 52px;
}

.ch-dl {
  position: absolute;
  top: 50%;
  right: 2px;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  color: var(--text-2);
  transform: translateY(-50%);
}

.ch-dl:active {
  background: var(--press);
  color: var(--accent);
}

.ch:active:not(:disabled) {
  background: var(--press);
}

.ch:disabled {
  opacity: 1;
  color: var(--text);
  cursor: default;
}

.ch-num {
  display: grid;
  place-items: center;
  height: 22px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.ch-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.ch-title {
  font-size: 16px;
  line-height: 22px;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.ch-sub {
  margin-top: 1px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.ch-sub:empty {
  display: none;
}

.ch-right {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.ch.not-ready .ch-title,
.ch.skipped .ch-title,
.ch.listened .ch-title {
  color: var(--text-2);
}

.ch.listened .ch-num {
  color: var(--accent);
}

.ch-row:has(.ch.is-current) + .ch-row,
.ch-row:has(.ch.is-current) {
  border-color: transparent;
}

.ch.is-current {
  background: var(--accent-soft);
}

.ch.is-current .ch-title {
  color: var(--accent);
  font-weight: 600;
}

.ch.is-current .ch-right {
  color: var(--accent);
}

.ch.is-current .ch-sub {
  display: none;
}

.ch-hair {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--text-2);
  opacity: 0.5;
  transform-origin: left center;
  transform: scaleX(var(--p, 0));
  transition: transform 300ms linear;
}

.ch-hair.live {
  background: var(--accent);
  opacity: 1;
}

.ch.flash {
  animation: flash 1.4s var(--ease);
}

@keyframes flash {
  0%,
  30% {
    background: var(--accent-line);
  }
  100% {
    background: var(--accent-soft);
  }
}

/* ---------- new-book flow ---------- */

.flow-head {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--bar-bg);
  -webkit-backdrop-filter: saturate(1.4) blur(20px);
  backdrop-filter: saturate(1.4) blur(20px);
  border-bottom: 1px solid transparent;
}

.flow-head .topbar {
  position: static;
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  border: 0;
}

.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 44px;
  margin: 0;
  padding: 0 16px 8px;
  list-style: none;
}

.stepper li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
}

.stepper li + li::before {
  content: '';
  width: 18px;
  height: 1px;
  margin-right: 2px;
  background: var(--line-2);
}

.step-dot {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1.5px var(--line-2);
  font-size: 13px;
  font-weight: 650;
}

.stepper li.current {
  color: var(--text);
  font-weight: 600;
}

.stepper li.current .step-dot {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: none;
}

.stepper li.done .step-dot {
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: none;
}

.flow-title {
  margin: 16px 0 6px;
  font-size: 30px;
  line-height: 34px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.flow-lead {
  max-width: 60ch;
  margin: 0 0 20px;
  color: var(--text-2);
}

.flow-footer {
  position: sticky;
  bottom: var(--mini-space);
  z-index: 6;
  margin: 18px calc(-1 * var(--gutter)) 0;
  padding: 16px var(--gutter) calc(14px + var(--footer-safe));
  background: linear-gradient(to bottom, transparent, var(--bg) 30%);
}

body.has-mini .flow-footer {
  box-shadow: 0 var(--mini-space) 0 0 var(--bg);
}

.drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  width: 100%;
  padding: 34px 18px 30px;
  border: 1.5px dashed var(--accent-line);
  border-radius: 14px;
  background: var(--accent-soft);
  text-align: center;
  transition: transform var(--t-ui) var(--ease);
}

.drop:active {
  transform: scale(0.98);
}

.drop-art {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
}

.drop-title {
  font-size: 19px;
  font-weight: 650;
}

.drop-text {
  font-size: 14px;
  color: var(--text-2);
}

.tips {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0 2px;
  list-style: none;
}

.tips li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--text-2);
}

.tips .ic {
  margin-top: 2px;
  color: var(--accent);
}

.tips .ic-alert {
  color: var(--text-2);
}

.up-file {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.up-icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}

.up-name {
  flex: 1;
  min-width: 0;
}

.up-fname {
  font-weight: 600;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.up-size {
  font-size: 13px;
  color: var(--text-2);
}

.up-pct {
  flex: none;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.up-phase {
  margin-top: 12px;
  font-size: 15px;
  color: var(--text-2);
}

.up-phase strong {
  display: block;
  color: var(--text);
  font-weight: 600;
}

.up-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}

.setup-head {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  margin-top: 16px;
}

.setup-fields {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.field-label {
  display: block;
  margin: 2px 2px 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
}

.setup-fields .field-label:not(:first-child) {
  margin-top: 8px;
}

.setup-meta {
  margin: 14px 2px;
  font-size: 14px;
  color: var(--text-2);
}

.totals {
  position: sticky;
  top: calc(var(--topbar-h) + var(--safe-t) + 44px);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 6px calc(-1 * var(--gutter)) 8px;
  padding: 10px var(--gutter);
  background: var(--bg);
}

.totals-text {
  min-width: 0;
  font-size: 15px;
  line-height: 1.3;
}

.totals-text strong {
  display: block;
  font-weight: 650;
}

.totals-text span {
  display: block;
  color: var(--text-2);
  font-size: 14px;
}

.totals-actions {
  display: flex;
  flex: none;
  gap: 6px;
}

.sch-list {
  margin: 0 -4px;
}

.sch {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px;
  padding: 10px 4px 14px;
  border-top: 1px solid var(--line);
}

.sch:first-child {
  border-top: 0;
}

.sch-num {
  padding-top: 11px;
  text-align: right;
  font-size: 14px;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.sch-body {
  min-width: 0;
}

.sch-title {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  max-width: 100%;
  min-height: 44px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
}

.sch-title-text {
  overflow-wrap: anywhere;
}

.sch-title .ic {
  color: var(--text-2);
}

.sch-meta {
  margin-top: -3px;
  font-size: 13px;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.sch-preview {
  max-width: 60ch;
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: anywhere;
}

.sch.off .sch-body,
.sch.off .sch-num {
  opacity: 0.45;
}

.discard {
  display: flex;
  justify-content: center;
  margin: 22px 0 0;
}

.switch-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 51px;
  min-height: 44px;
  cursor: pointer;
}

.switch {
  position: relative;
  flex: none;
  width: 51px;
  height: 31px;
  margin: 0;
  border-radius: 999px;
  background: var(--surface-2);
  box-shadow: inset 0 0 0 1px var(--line-2);
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

.switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 27px;
  height: 27px;
  border-radius: 50%;
  background: #fbfdfd;
  box-shadow: 0 2px 5px rgb(2 12 14 / 0.3);
  transition: transform var(--t-ui) var(--ease);
}

.switch:checked {
  background: var(--accent);
  box-shadow: none;
}

.switch:checked::after {
  transform: translateX(20px);
}

/* part switch with only some of its chapters on */
.switch:indeterminate {
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px var(--accent-line);
}

.switch:indeterminate::after {
  transform: translateX(10px);
}

.input {
  display: block;
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  font: 16px/1.35 var(--font);
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  -webkit-appearance: none;
  appearance: none;
}

.input::placeholder {
  color: var(--text-2);
}

.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.input.input-title {
  font-size: 19px;
  font-weight: 600;
}

.input.input-inline {
  min-height: 44px;
  padding: 8px 10px;
  font-weight: 600;
}

.input.textarea {
  min-height: 112px;
  resize: vertical;
  line-height: 1.45;
}

.field {
  display: block;
  margin-bottom: 14px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field-help {
  max-width: 60ch;
  margin: 6px 2px 16px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-2);
}

.form-error {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--danger);
}

.input-group {
  position: relative;
}

.input-group .input {
  padding-right: 76px;
}

.input-addon {
  position: absolute;
  top: 50%;
  right: 4px;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 999px;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 15px;
  font-weight: 600;
}

.filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  padding: 8px 10px 8px 16px;
  border-radius: 999px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
}

.filter-text {
  min-width: 0;
}

.filter-title {
  display: block;
  font-weight: 600;
}

.filter-note {
  font-size: 13px;
  color: var(--text-2);
}

.voice-list {
  display: grid;
  gap: 10px;
}

@media (min-width: 640px) {
  .voice-list {
    grid-template-columns: 1fr 1fr;
  }
}

.vc {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) 28px;
  grid-template-areas: 'play main radio' '. foot foot';
  align-items: center;
  column-gap: 12px;
  width: 100%;
  padding: 12px 14px 8px;
  border-radius: 14px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--line);
  text-align: left;
}

.vc:not(.has-foot) {
  padding-bottom: 12px;
}

.vc.selected {
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1.5px var(--accent);
}

.vc-play {
  grid-area: play;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  transition: transform var(--t-ui) var(--ease);
}

.vc-play .ic-play {
  transform: translateX(1.5px);
}

.vc-play:active:not(:disabled) {
  transform: scale(0.94);
}

.vc-play.playing {
  background: var(--accent);
  color: var(--on-accent);
}

.vc-play:disabled {
  cursor: progress;
}

.vc-main {
  grid-area: main;
  min-width: 0;
  min-height: 52px;
  padding: 4px 0;
  text-align: left;
}

.vc-name {
  font-size: 17px;
  font-weight: 650;
}

.vc-tag {
  margin-top: 1px;
  font-size: 14px;
  line-height: 1.35;
  color: var(--text-2);
}

.vc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.vc-radio {
  grid-area: radio;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 2px var(--line-2);
  color: transparent;
  cursor: pointer;
}

.vc.selected .vc-radio {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: none;
}

.vc-foot {
  grid-area: foot;
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
}

.vc:not(.has-foot) .vc-foot {
  display: none;
}

.vc-status {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
}

.vc-status.busy {
  color: var(--accent);
  font-weight: 600;
}

.vc-retake {
  min-height: 40px;
  font-size: 14px;
}

.vc-del {
  width: 40px;
  height: 40px;
  color: var(--text-2);
}

.vc-design {
  grid-template-areas: 'play main radio';
  padding: 12px 14px;
  background: transparent;
  box-shadow: none;
  border: 1.5px dashed var(--accent-line);
}

.vc-play.ghost {
  background: var(--accent-soft);
}

.vc-chev {
  grid-area: radio;
  color: var(--accent);
}

.examples {
  display: grid;
  gap: 8px;
  margin: 6px 0 14px;
}

.example-chip {
  min-height: 44px;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 15px;
  text-align: left;
  line-height: 1.4;
}

.example-chip:active {
  transform: scale(0.98);
}

.confirm-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 4px 0 16px;
}

.confirm-kicker {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
}

.confirm-title {
  margin-top: 2px;
  font-size: 22px;
  line-height: 28px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.confirm-author {
  font-size: 15px;
  color: var(--text-2);
}

.summary {
  margin: 0 0 14px;
  padding: 2px 14px;
  border-radius: 14px;
  background: var(--surface-2);
}

.sum-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.sum-row:first-child {
  border-top: 0;
}

.sum-row dt {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
  font-size: 15px;
  color: var(--text-2);
}

.sum-row dt .ic {
  color: var(--accent);
}

.sum-row dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  text-align: right;
}

.confirm-note {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-2);
}

/* ---------- settings ---------- */

.page-settings .page-title {
  margin-bottom: 20px;
}

.form-card .field {
  margin: 0 0 6px;
}

.test-result:empty {
  display: none;
}

.test-result {
  margin: 0 0 12px;
}

.test-result .loading-row {
  padding: 8px 2px;
}

.kv {
  margin: 0 0 12px;
  padding: 2px 14px;
  border-radius: 14px;
  background: var(--surface-2);
}

.kv-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.kv-row:first-child {
  border-top: 0;
}

.kv-row dt {
  flex: none;
  color: var(--text-2);
}

.kv-row dd {
  margin: 0;
  font-weight: 600;
  text-align: right;
  overflow-wrap: anywhere;
}

.storage-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}

.storage-row .ic {
  color: var(--accent);
}

.help .field-help {
  margin-bottom: 8px;
}

.help-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0 2px;
  list-style: none;
}

.help-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--text-2);
}

.help-list .ic {
  margin-top: 1px;
  color: var(--accent);
}

.steps {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps.compact .step {
  display: grid;
  grid-template-columns: 32px 1fr;
  align-items: center;
  gap: 12px;
  padding: 4px 0;
}

.step-n {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 650;
}

.step-text {
  font-size: 15px;
}

.inline-ic {
  display: inline-flex;
  vertical-align: -3px;
  color: var(--accent);
}

.about {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 32px 2px 8px;
}

.about img {
  border-radius: 10px;
}

.about-name {
  font-weight: 650;
}

/* ---------- larger screens ---------- */

@media (min-width: 640px) {
  .hero {
    grid-template-columns: 160px minmax(0, 1fr);
  }
  .hero .wc {
    width: 160px;
  }
  .hero-title {
    font-size: 32px;
    line-height: 36px;
  }
}

/* ---------- motion preferences ---------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .spinner {
    animation-duration: 1.6s !important;
    animation-iteration-count: infinite !important;
  }
  .wc-wave,
  .eq i,
  .stagger > *,
  .wc.shimmer::before {
    animation: none !important;
  }
  .eq i:nth-child(1) {
    transform: scaleY(0.6);
  }
  .eq i:nth-child(3) {
    transform: scaleY(0.4);
  }
}

@media (prefers-reduced-transparency: reduce) {
  .tabbar,
  .mini,
  .topbar,
  .flow-head,
  .toast {
    background: var(--surface);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

.callout-actions { margin-top: 10px; }
.callout a.btn-primary { color: var(--on-accent); text-decoration: none; }

/* ---------- go to page, parts ---------- */

.primary-slot {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.btn-play-text {
  min-width: 0;
  white-space: normal;
}

.goto-btn {
  justify-self: center;
  color: var(--accent);
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--line-2);
}

.np-page {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  margin-top: 8px;
  padding: 0 12px 0 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.np-page:active {
  transform: scale(0.97);
}

.input.input-page {
  min-height: 64px;
  font-size: 30px;
  font-weight: 650;
  text-align: center;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.input.input-page-sm {
  max-width: 160px;
  font-variant-numeric: tabular-nums;
}

.goto .form-error {
  margin: 8px 2px 0;
  text-align: center;
}

.goto .btn-col {
  margin-top: 16px;
}

.voicing {
  padding-top: 6px;
  text-align: center;
}

.voicing-art {
  position: relative;
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin: 4px auto 14px;
  color: var(--accent);
}

.voicing-art > * {
  grid-area: 1 / 1;
}

.spinner.lg {
  width: 72px;
  height: 72px;
  border-width: 4px;
}

.start-toggle {
  margin: -4px 0 4px;
}

.start-box {
  margin: 0 0 12px;
  padding: 12px 14px 2px;
  border-radius: 14px;
  background: var(--surface-2);
}

.start-box .field-help {
  margin-bottom: 8px;
}

.ch.partial .ch-title {
  color: var(--text);
}

.ch.partial .ch-sub {
  color: var(--accent);
}

/* ---------- parts, page ranges and sections in the chapter list ---------- */

.part-group {
  position: relative;
  margin: 0 -4px 6px;
  padding: 0 4px;
}

.part-head {
  position: sticky;
  top: calc(var(--topbar-h) + var(--safe-t));
  z-index: 2;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 52px;
  margin-top: 6px;
  padding: 8px 12px 8px 6px;
  border-radius: 14px;
  background: var(--bar-bg);
  -webkit-backdrop-filter: saturate(1.4) blur(18px);
  backdrop-filter: saturate(1.4) blur(18px);
  color: var(--text);
  text-align: left;
}

.part-head:active {
  transform: scale(0.995);
}

/* parked under the top bar: square off the top so the two meet without a seam */
.part-sentinel {
  position: absolute;
  top: 6px;
  left: 0;
  width: 100%;
  height: 1px;
  pointer-events: none;
}

.part-group.stuck .part-head {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.part-chev {
  display: grid;
  place-items: center;
  color: var(--accent);
  transition: transform 160ms var(--ease);
}

.part-group.closed .part-chev {
  transform: rotate(-90deg);
}

.part-main {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.part-name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.part-meta {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-2);
  overflow-wrap: anywhere;
}

.part-right {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.part-right:empty {
  display: none;
}

.part-right.done {
  display: grid;
  place-items: center;
  color: var(--accent);
}

.part-body {
  padding-left: 10px;
  border-left: 1px solid var(--line);
  margin-left: 12px;
}

.part-body .ch-row:first-child {
  border-top: 0;
}

.ch-line {
  position: relative;
}

.ch.has-exp {
  padding-right: 46px;
}

.ch.has-exp.has-dl {
  padding-right: 92px;
}

.ch-exp {
  position: absolute;
  top: 50%;
  right: 2px;
  transform: translateY(-50%);
  z-index: 1;
  display: grid;
  place-items: center;
  width: 42px;
  height: 44px;
  border-radius: 999px;
  color: var(--text-2);
}

.ch-exp.open {
  color: var(--accent);
}

.ch-exp .ic {
  transition: transform 160ms var(--ease);
}

.ch-exp.open .ic {
  transform: rotate(180deg);
}

.ch-line:has(.ch-exp:not([hidden])) .ch-dl {
  right: 46px;
}

.sec-list {
  padding: 2px 8px 10px 50px;
}

.sec,
.sec-flat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  width: 100%;
  min-height: 38px;
  padding: 7px 10px;
  border-radius: 10px;
  color: var(--text-2);
  text-align: left;
}

.sec:active {
  background: var(--press);
  color: var(--accent);
}

.sec-title {
  flex: 1;
  min-width: 0;
  font-size: 14.5px;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.sec-page {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.sec-flat .sec-page {
  color: var(--text-2);
}

.np-part {
  margin-bottom: 2px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- setting up: chapters grouped by part ---------- */

.sch-part {
  margin: 6px -4px;
  padding: 0 4px;
}

.sch-part-top {
  position: sticky;
  top: var(--flow-head-h, 104px); /* measured from the flow header, which already includes the safe area */
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 2px;
  border-radius: 14px;
  background: var(--bar-bg);
  -webkit-backdrop-filter: saturate(1.4) blur(18px);
  backdrop-filter: saturate(1.4) blur(18px);
}

.sch-part-head {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-height: 52px;
  padding: 6px 4px;
  color: var(--text);
  text-align: left;
}

.sch-part.closed .part-chev {
  transform: rotate(-90deg);
}

.sch-part-meta {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.sch-part.off .part-name,
.sch-part.off .sch-part-meta {
  color: var(--text-2);
}

.sch-part-body {
  margin-left: 12px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.sch-part-body .sch:first-child {
  border-top: 0;
}