/* Layout: one-column station list under a navy masthead that ends in
   layered cloud waves (from the Stratus Radio logo); a docked player
   sits at the bottom of the screen. */
:root {
  /* Brand colours sampled from the logo */
  --brand-navy: #021A4F;
  --brand-royal: #0052F0;
  --brand-bright: #0B7BF7;
  --brand-sky: #18B9FD;

  --bg: #F5F8FF;
  --surface: #E9F0FD;
  --ink: #021A4F;
  --muted: #53648A;
  --line: #D8E2F4;
  --accent: #0052F0;
  --accent-ink: #FFFFFF;
  --focus: #0B7BF7;
  --header-bg: #021A4F;
  --header-fg: #FFFFFF;
  --header-sub: #9FDCFF;
  --wave-back: #18B9FD;
  --player-bg: #021A4F;
  --player-fg: #FFFFFF;
  --player-muted: #A9BCE0;
  --live: #18B9FD;
  --chip-on-bg: #021A4F;
  --chip-on-fg: #FFFFFF;
  --star-on: #0B7BF7;
  --scrim: rgba(2, 10, 30, 0.55);

  --tile-navy-bg: #021A4F;   --tile-navy-fg: #18B9FD;
  --tile-royal-bg: #0052F0;  --tile-royal-fg: #FFFFFF;
  --tile-bright-bg: #0B7BF7; --tile-bright-fg: #FFFFFF;
  --tile-sky-bg: #18B9FD;    --tile-sky-fg: #021A4F;
  --tile-ice-bg: #D6ECFF;    --tile-ice-fg: #0046D2;
  --tile-deep-bg: #0A2F86;   --tile-deep-fg: #9FE0FF;

  /* Lock-screen artwork: same in both themes */
  --art-navy-bg: #021A4F;   --art-navy-fg: #18B9FD;
  --art-royal-bg: #0052F0;  --art-royal-fg: #FFFFFF;
  --art-bright-bg: #0B7BF7; --art-bright-fg: #FFFFFF;
  --art-sky-bg: #18B9FD;    --art-sky-fg: #021A4F;
  --art-ice-bg: #D6ECFF;    --art-ice-fg: #0046D2;
  --art-deep-bg: #0A2F86;   --art-deep-fg: #9FE0FF;

  --display: 'Fredoka', 'Arial Rounded MT Bold', 'Nunito', system-ui, sans-serif;
  --body: 'Nunito Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  --step--1: 0.8125rem;
  --step-0: 1rem;
  --step-1: 1.125rem;
  --step-2: 1.5rem;
  --step-3: 2rem;

  --gutter-l: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
  --player-h: 72px;
  --player-gap: 10px;
  --player-edge: transparent;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #061230;
    --surface: #0E1F48;
    --ink: #EAF2FF;
    --muted: #9DB1D6;
    --line: #1B2F5E;
    --accent: #2F7BFF;
    --accent-ink: #FFFFFF;
    --focus: #5CCBFF;
    --header-bg: #010C26;
    --header-fg: #FFFFFF;
    --header-sub: #8FD3FF;
    --wave-back: #0B7BF7;
    --player-bg: #010A20;
    --player-fg: #FFFFFF;
    --player-muted: #93A8CF;
    --player-edge: rgba(159, 220, 255, 0.12);
    --live: #3CCBFF;
    --chip-on-bg: #EAF2FF;
    --chip-on-fg: #021A4F;
    --star-on: #3CCBFF;
    --scrim: rgba(0, 4, 14, 0.7);
    --tile-navy-bg: #12306F;   --tile-navy-fg: #3CCBFF;
    --tile-ice-bg: #17366E;    --tile-ice-fg: #A9DEFF;
    --tile-deep-bg: #0C3A9E;   --tile-deep-fg: #B4E7FF;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #061230;
  --surface: #0E1F48;
  --ink: #EAF2FF;
  --muted: #9DB1D6;
  --line: #1B2F5E;
  --accent: #2F7BFF;
  --accent-ink: #FFFFFF;
  --focus: #5CCBFF;
  --header-bg: #010C26;
  --header-fg: #FFFFFF;
  --header-sub: #8FD3FF;
  --wave-back: #0B7BF7;
  --player-bg: #010A20;
  --player-fg: #FFFFFF;
  --player-muted: #93A8CF;
  --player-edge: rgba(159, 220, 255, 0.12);
  --live: #3CCBFF;
  --chip-on-bg: #EAF2FF;
  --chip-on-fg: #021A4F;
  --star-on: #3CCBFF;
  --scrim: rgba(0, 4, 14, 0.7);
  --tile-navy-bg: #12306F;   --tile-navy-fg: #3CCBFF;
  --tile-ice-bg: #17366E;    --tile-ice-fg: #A9DEFF;
  --tile-deep-bg: #0C3A9E;   --tile-deep-fg: #B4E7FF;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 var(--step-0)/1.45 var(--body);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
[hidden] { display: none !important; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* Masthead */
.top { background: var(--bg); }
.top-inner {
  background: var(--header-bg); color: var(--header-fg);
  padding-top: calc(env(safe-area-inset-top, 0px) + 14px);
  padding-bottom: 4px;
  padding-left: max(var(--gutter-l), calc((100% - 760px) / 2 + 16px));
  padding-right: max(var(--gutter-r), calc((100% - 760px) / 2 + 16px));
  display: flex; align-items: center; gap: 12px;
}
.logo {
  flex: none; width: 60px; height: 60px; border-radius: 50%;
  display: block;
}
.brand { flex: 1; min-width: 0; }
.wordmark {
  margin: 0;
  font: 700 var(--step-3)/1 var(--display);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.wordmark .w1 { color: var(--header-fg); }
.wordmark .w2 { color: var(--brand-sky); }
.tagline {
  margin: 4px 0 0;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--header-sub);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.wave { display: block; width: 100%; height: 30px; }
.wave-front { fill: var(--header-bg); }
.wave-back { fill: var(--wave-back); }

/* Light / dark switch */
.theme-btn {
  flex: none; align-self: flex-start; margin-top: 2px;
  width: 40px; height: 40px; padding: 0; border-radius: 50%;
  display: grid; place-items: center;
  background: transparent; color: var(--header-fg);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
}
.theme-btn svg { width: 20px; height: 20px; grid-area: 1 / 1; display: none; }
/* The icon shows what a tap switches to: a moon in light mode, a sun in dark mode. */
.theme-btn[data-mode="light"] .i-dark,
.theme-btn[data-mode="dark"] .i-light,
.theme-btn:not([data-mode]) .i-dark { display: block; }

/* Main column */
.wrap {
  max-width: 760px; margin: 0 auto;
  padding-left: var(--gutter-l); padding-right: var(--gutter-r);
  padding-block: 8px calc(var(--player-space, calc(var(--player-h) + var(--player-gap) + env(safe-area-inset-bottom, 0px))) + 20px);
}
.tools { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.search {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface);
  border: 1.5px solid transparent;
  border-radius: 999px;
  padding: 0 16px;
  color: var(--muted);
}
.search:focus-within { border-color: var(--focus); }
.search svg { width: 20px; height: 20px; flex: none; }
.search input {
  flex: 1; min-width: 0;
  border: 0; background: transparent; color: var(--ink);
  font: inherit; font-size: 16px; /* 16px stops iOS zooming in */
  padding: 13px 0;
  outline: none;
}
.search input::placeholder { color: var(--muted); }

.chips {
  display: flex; gap: 8px;
  overflow-x: auto; scrollbar-width: none;
  margin: 0 calc(-1 * var(--gutter-r)) 0 calc(-1 * var(--gutter-l));
  padding: 2px var(--gutter-r) 4px var(--gutter-l);
}
.chips::-webkit-scrollbar { display: none; }
.chips.more-right { -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 40px), transparent); mask-image: linear-gradient(to right, #000 calc(100% - 40px), transparent); }
.chips.more-left { -webkit-mask-image: linear-gradient(to left, #000 calc(100% - 40px), transparent); mask-image: linear-gradient(to left, #000 calc(100% - 40px), transparent); }
.chips.more-left.more-right { -webkit-mask-image: linear-gradient(to right, transparent, #000 40px, #000 calc(100% - 40px), transparent); mask-image: linear-gradient(to right, transparent, #000 40px, #000 calc(100% - 40px), transparent); }
.chip {
  flex: none;
  border: 1.5px solid var(--line);
  background: transparent;
  border-radius: 999px;
  padding: 7px 15px;
  font-size: 0.9375rem; font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  white-space: nowrap;
}
.chip .n { color: var(--muted); font-variant-numeric: tabular-nums; margin-left: 4px; }
.chip[aria-pressed="true"] { background: var(--chip-on-bg); border-color: var(--chip-on-bg); color: var(--chip-on-fg); }
.chip[aria-pressed="true"] .n { color: var(--chip-on-fg); opacity: 0.7; }
.chips-sub { gap: 4px; margin-top: -4px; }
.chips-sub .chip { border-color: transparent; padding: 5px 12px; font-size: 0.875rem; color: var(--muted); }
.chips-sub .chip[aria-pressed="true"] { background: var(--surface); border-color: var(--surface); color: var(--accent); }

.count {
  margin: 18px 0 6px;
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted);
}

/* Station rows */
.list { list-style: none; margin: 0; padding: 0; }
.st {
  display: flex; align-items: center; gap: 4px;
  border-bottom: 1px solid var(--line);
}
.st-main {
  flex: 1; min-width: 0;
  display: flex; align-items: center; gap: 14px;
  background: none; border: 0; text-align: left;
  padding: 12px 4px 12px 0;
  cursor: pointer;
}
.st-text { min-width: 0; display: grid; gap: 1px; }
.st-name {
  font: 600 var(--step-1)/1.25 var(--display);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.st-meta, .st-desc {
  font-size: var(--step--1); color: var(--muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.st-desc { color: var(--ink); opacity: 0.8; }
.st.is-current .st-name { color: var(--accent); }

/* Dial tile */
.tile {
  flex: none;
  width: 58px; height: 58px; border-radius: 16px;
  display: grid; place-content: center; text-align: center;
  background: var(--tile-bg, var(--tile-navy-bg));
  color: var(--tile-fg, var(--tile-navy-fg));
  font-family: var(--display);
  line-height: 0.95;
  position: relative; overflow: hidden;
}
/* Station logo covers the tile; the frequency/letters underneath show if it fails to load */
.tile-logo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.tile.has-logo > span { visibility: hidden; }
.tile.has-logo::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(2, 26, 79, 0.08);
}
.tile-freq { font-weight: 600; font-size: 1.3125rem; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.tile-freq.is-long { font-size: 1.125rem; }
.tile-band { font-family: var(--body); font-weight: 700; font-size: 0.625rem; letter-spacing: 0.14em; margin-top: 3px; }
.tile-short { font-weight: 700; font-size: 1.25rem; }
.tile-sm { width: 48px; height: 48px; border-radius: 14px; }
.tile-sm .tile-freq, .tile-sm .tile-short { font-size: 1.0625rem; }
.tile-sm .tile-freq.is-long { font-size: 0.9375rem; }
.tile-sm .tile-band { font-size: 0.5625rem; }
.tile-sm:empty { background: var(--player-muted); opacity: 0.25; }
.t-navy   { --tile-bg: var(--tile-navy-bg);   --tile-fg: var(--tile-navy-fg); }
.t-royal  { --tile-bg: var(--tile-royal-bg);  --tile-fg: var(--tile-royal-fg); }
.t-bright { --tile-bg: var(--tile-bright-bg); --tile-fg: var(--tile-bright-fg); }
.t-sky    { --tile-bg: var(--tile-sky-bg);    --tile-fg: var(--tile-sky-fg); }
.t-ice    { --tile-bg: var(--tile-ice-bg);    --tile-fg: var(--tile-ice-fg); }
.t-deep   { --tile-bg: var(--tile-deep-bg);   --tile-fg: var(--tile-deep-fg); }

/* Live bars on the playing station */
.eq { display: none; gap: 3px; align-items: flex-end; height: 18px; margin-left: auto; padding-left: 6px; flex: none; }
.st.is-live .eq { display: flex; }
.eq i { width: 3px; height: 100%; background: var(--accent); border-radius: 2px; transform-origin: bottom; animation: eq 0.9s ease-in-out infinite; }
.eq i:nth-child(2) { animation-delay: -0.3s; }
.eq i:nth-child(3) { animation-delay: -0.6s; }
@keyframes eq { 0%, 100% { transform: scaleY(0.3); } 50% { transform: scaleY(1); } }

.fav, .share {
  flex: none; width: 44px; height: 44px; padding: 0;
  display: grid; place-items: center;
  background: none; border: 0; border-radius: 50%;
  color: var(--muted); cursor: pointer;
}
.fav svg { width: 22px; height: 22px; }
.share svg { width: 20px; height: 20px; }
.st .share { margin-right: -6px; }
.fav[aria-pressed="true"] { color: var(--star-on); }
.fav[aria-pressed="true"] path { fill: currentColor; }

.empty { padding: 32px 0; text-align: center; }
.empty-title { margin: 0; font: 600 var(--step-1)/1.3 var(--display); }
.empty-body { margin: 6px auto 0; color: var(--muted); max-width: 34ch; }

/* Buttons */
.btn-outline {
  border: 1.5px solid var(--ink); background: transparent; color: var(--ink);
  border-radius: 999px; padding: 10px 18px; font-weight: 700; cursor: pointer;
}
.btn-text {
  border: 0; background: none; color: var(--accent); font-weight: 700; padding: 10px 4px; cursor: pointer;
}

/* Floating player */
.player {
  position: fixed; z-index: 20;
  left: max(var(--player-gap), env(safe-area-inset-left, 0px));
  right: max(var(--player-gap), env(safe-area-inset-right, 0px));
  bottom: calc(env(safe-area-inset-bottom, 0px) + var(--player-gap));
  max-width: 744px; margin: 0 auto;
  background: var(--player-bg); color: var(--player-fg);
  border: 1px solid var(--player-edge);
  border-radius: 24px;
  box-shadow: 0 12px 32px rgba(2, 16, 50, 0.3), 0 2px 8px rgba(2, 16, 50, 0.18);
}
.player-inner {
  min-height: var(--player-h);
  padding: 10px 10px 10px 12px;
  display: flex; align-items: center; gap: 12px;
}
.p-text { flex: 1; min-width: 0; }
.p-name, .p-status { margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.p-name { font: 600 var(--step-1)/1.25 var(--display); }
.p-status { font-size: var(--step--1); color: var(--player-muted); }
.p-status .live-dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--live); margin-right: 6px; vertical-align: 1px;
}
.p-status a { color: var(--player-fg); }
.p-help {
  margin: -4px 0 0; padding: 0 16px 12px;
  font-size: var(--step--1); color: var(--player-muted);
}
.p-help a { color: var(--player-fg); }

.icon-btn {
  flex: none; position: relative;
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  padding: 0;
  background: none; border: 1.5px solid transparent; color: var(--player-fg); cursor: pointer;
}
.icon-btn svg { width: 22px; height: 22px; }
.icon-btn:disabled { opacity: 0.35; cursor: default; }
.icon-btn.is-on { border-color: var(--brand-sky); color: var(--brand-sky); }
.sleep-left {
  position: absolute; bottom: -6px; left: 50%; transform: translateX(-50%);
  font: 700 0.625rem/15px var(--body); font-variant-numeric: tabular-nums;
  background: var(--brand-sky); color: var(--brand-navy);
  border-radius: 999px; padding: 0 5px; white-space: nowrap;
}

.play-btn {
  flex: none; position: relative;
  width: 56px; height: 56px; border-radius: 50%; padding: 0;
  display: grid; place-items: center;
  background: linear-gradient(160deg, var(--brand-sky), var(--brand-royal) 70%);
  color: #FFFFFF; border: 0; cursor: pointer;
}
.play-btn:disabled { opacity: 0.4; cursor: default; }
.play-btn svg { width: 26px; height: 26px; grid-area: 1 / 1; }
.play-btn .i-pause, .play-btn .spinner { display: none; }
.player[data-state="live"] .play-btn .i-play,
.player[data-state="buffering"] .play-btn .i-play,
.player[data-state="connecting"] .play-btn .i-play,
.player[data-state="reconnecting"] .play-btn .i-play { display: none; }
.player[data-state="live"] .play-btn .i-pause { display: block; }
.player[data-state="buffering"] .play-btn .i-pause,
.player[data-state="connecting"] .play-btn .i-pause,
.player[data-state="reconnecting"] .play-btn .i-pause { display: block; opacity: 0.55; }
.player[data-state="buffering"] .spinner,
.player[data-state="connecting"] .spinner,
.player[data-state="reconnecting"] .spinner {
  display: block;
  position: absolute; inset: 0; border-radius: 50%;
  border: 3px solid transparent; border-top-color: #FFFFFF;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Sleep sheet */
.sheet {
  border: 0; padding: 0; margin: auto auto 0;
  width: 100%; max-width: 520px;
  background: var(--bg); color: var(--ink);
  border-radius: 24px 24px 0 0;
}
.sheet::backdrop { background: var(--scrim); }
.sheet-inner {
  padding-top: 18px;
  padding-left: var(--gutter-l); padding-right: var(--gutter-r);
  padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 14px);
}
.sheet-h { margin: 0; font: 600 var(--step-1)/1.25 var(--display); }
.sheet-h:focus { outline: none; }
.sheet-sub { margin: 2px 0 12px; font-size: var(--step--1); color: var(--muted); }
/* Time choices look like the filter chips */
.sleep-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.sleep-grid button {
  display: flex; justify-content: center; align-items: baseline; gap: 4px;
  padding: 8px 4px; border-radius: 999px;
  border: 1.5px solid var(--line); background: transparent;
  font: 600 0.9375rem/1.2 var(--body); color: var(--ink); cursor: pointer;
}
.sleep-grid small { font: inherit; color: var(--muted); }
.sleep-grid button[aria-pressed="true"] { background: var(--chip-on-bg); border-color: var(--chip-on-bg); color: var(--chip-on-fg); }
.sleep-grid button[aria-expanded="true"]:not([aria-pressed="true"]) { border-color: var(--accent); color: var(--accent); }
.sleep-grid button[aria-pressed="true"] small { color: var(--chip-on-fg); opacity: 0.7; }
/* Custom time: hours and minutes pickers plus Start */
.sleep-custom { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.sleep-pick { display: flex; align-items: center; gap: 6px; font-size: 0.9375rem; font-weight: 600; color: var(--muted); }
.sleep-pick select {
  font: 600 0.9375rem/1.2 var(--body); color: var(--ink);
  background: var(--surface); border: 1.5px solid var(--line); border-radius: 12px;
  padding: 7px 10px; min-width: 58px; text-align: center;
}
.btn-fill {
  margin-left: auto; border: 0; border-radius: 999px; padding: 9px 18px; cursor: pointer;
  background: var(--accent); color: var(--accent-ink); font: 700 0.9375rem/1.2 var(--body);
}
.btn-fill:disabled { opacity: 0.4; cursor: default; }
.sheet-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; gap: 12px; }
.sheet-actions .btn-outline { margin-left: auto; padding: 7px 16px; font-size: 0.9375rem; border-color: var(--line); }
.sheet-actions .btn-text { font-size: 0.9375rem; }

/* Short message above the player, e.g. "Link copied" */
.toast {
  position: fixed; z-index: 30; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--player-space, 100px) + 10px);
  margin: 0; padding: 10px 16px; border-radius: 999px;
  background: var(--ink); color: var(--bg);
  font-size: 0.875rem; font-weight: 700; white-space: nowrap;
  box-shadow: 0 6px 20px rgba(2, 16, 50, 0.25);
}

@media (max-width: 360px) {
  .player-inner { gap: 6px; }
  .logo { width: 48px; height: 48px; }
  .wordmark { font-size: 1.625rem; }
}
@media (min-width: 640px) {
  .logo { width: 76px; height: 76px; }
  .wordmark { font-size: 2.5rem; }
  .wave { height: 40px; }
  .tile { width: 64px; height: 64px; }
  .chips { flex-wrap: wrap; overflow: visible; margin: 0; padding: 2px 0 0; }
  .chips.more-left, .chips.more-right { -webkit-mask-image: none; mask-image: none; }
  .sheet { margin: auto; border-radius: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  .eq i, .spinner { animation: none !important; }
  .eq i { transform: scaleY(0.7); }
}