/* Dadbot Radio Desk v2 (roadmap item 19) — mock-faithful player panel.
   Theme tokens only; 0px corners; desk-scoped. */

.radio-desk {
  width: 100%;
  min-width: 0;
  max-width: 1080px;
  margin: 0 auto 4rem;
  color: var(--color);
}

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

/* --- panel + status bar ---------------------------------------------------- */

.radio-app { margin-top: 1.25rem; }

.terminal-window {
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  background: color-mix(in srgb, var(--accent) 3%, var(--background) 97%);
}

.terminal-window__bar {
  padding: 0.45rem 0.8rem;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
}

.radio-statusbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem 1.5rem;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color) 55%, transparent);
}

.radio-statusbar__brand {
  color: var(--accent);
  font-weight: 800;
}

.radio-statusbar__mode b,
.radio-statusbar__clock {
  color: color-mix(in srgb, var(--color) 55%, transparent);
  font-weight: 800;
}

.radio-statusbar__mode { margin-left: auto; }
.radio-statusbar__clock { min-width: 3.2em; text-align: right; }

/* --- hero ------------------------------------------------------------------- */

.radio-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.2rem 0.9rem;
}

.radio-hero__name {
  margin: 0 0 0.35rem;
  font-size: clamp(1.5rem, 4.2vw, 2.6rem);
  font-weight: 800;
  line-height: 1.05;
  color: color-mix(in srgb, var(--color) 88%, transparent);
  overflow-wrap: anywhere;
}

.radio-hero__meta {
  margin: 0 0 0.45rem;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color) 48%, transparent);
  overflow-wrap: anywhere;
}

.radio-hero__status {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: color-mix(in srgb, var(--color) 55%, transparent);
}

.radio-hero__status.is-accent {
  color: var(--accent);
  font-weight: 800;
}

/* --- spectrum ------------------------------------------------------------------ */

.radio-spectrum-wrap {
  margin: 0 1.2rem 1rem;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  background: color-mix(in srgb, var(--background) 92%, black 8%);
  padding: 0.45rem;
}

.radio-spectrum {
  display: block;
  width: 100%;
  height: 110px;
}

/* --- transport --------------------------------------------------------------------- */
/* Grid: [play] [volume centred] [switch flush right] — the right column tracks
   the spectrum box's padding, so the switch's right edge lines up with it. */

.radio-transport {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
  /* Right padding tuned so the switch's right edge lands flush with the
     spectrum box's outer edge (verified by geometry probe). */
  padding: 0 1.7rem 1.1rem 1.2rem;
}

.radio-btn {
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 0;
  padding: 0.5rem 1rem;
  cursor: pointer;
}

.radio-btn:hover { background: color-mix(in srgb, var(--accent) 14%, transparent); }

.radio-btn:focus-visible,
.radio-select:focus-visible,
.radio-filter:focus-visible,
.radio-hifi:focus-visible,
.radio-row:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.radio-btn--primary {
  background: var(--accent);
  color: var(--background);
  min-width: 7.5rem; /* fixed: PAUSE ↔ PLAY must not resize */
  justify-content: center;
  display: inline-flex;
  align-items: center;
}

.radio-btn--primary:hover { background: color-mix(in srgb, var(--accent) 85%, white 15%); }

.radio-btn--small {
  font-size: 0.62rem;
  padding: 0.35rem 0.55rem;
}

.radio-volume {
  display: inline-flex;
  align-items: center;
  justify-self: center;
  width: 100%;
  gap: 0.5rem;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--color) 55%, transparent);
}

/* Mock-faithful volume slider: no border box — a thin dim track with a small
   block thumb (Webkit + Firefox). */
.radio-volume input[type="range"] {
  width: 100%;
  flex: 1 1 auto;
  height: 14px;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
}

.radio-volume input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  background: color-mix(in srgb, var(--color) 35%, transparent);
  border: none;
}

.radio-volume input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 8px;
  height: 14px;
  margin-top: -6px;
  background: var(--accent);
  border: none;
  border-radius: 0;
}

.radio-volume input[type="range"]::-moz-range-track {
  height: 2px;
  background: color-mix(in srgb, var(--color) 35%, transparent);
  border: none;
}

.radio-volume input[type="range"]::-moz-range-thumb {
  width: 8px;
  height: 14px;
  background: var(--accent);
  border: none;
  border-radius: 0;
}

/* The theme's global input:focus draws a white box around the slider while
   dragging; opt out, but keep a green keyboard-focus outline (Sophie). */
.radio-volume input[type="range"]:focus {
  outline: none;
}

.radio-volume input[type="range"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- browser row ------------------------------------------------------------------------ */
/* Grid: row 1 = Region | Country | Filter · row 2 = Language | Random | Hi-Fi.
   Collapses to a simple two-column flow on small screens (see media queries). */

.radio-browse {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr) minmax(0, 1.6fr);
  gap: 0.7rem;
  align-items: stretch;
  padding: 0.9rem 1.2rem;
  border-top: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
}

.radio-field {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.3rem;
  /* Browser-grid row 2 by default (region/country/filter); the language and
     random modifiers further down re-place themselves into row 1. */
  grid-row: 2;
}

.radio-field--country { grid-column: 2; }
.radio-field--grow { grid-column: 3; }

/* Language + RANDOM live ABOVE region/country/filter (Sophie, item 19 v3).
   Row 1: [language][random] — RANDOM starts at the COUNTRY column line and
   stretches to the panel edge, mirroring the column layout below. */
.radio-field--language {
  grid-column: 1;
  grid-row: 1;
}

.radio-field--random {
  grid-column: 2 / -1;
  grid-row: 1;
}

/* RANDOM is a bare grid item (no field wrapper): drop it to the bottom of
   row 1 so it lines up with the LANGUAGE dropdown beside it. */
.radio-field--random,
.radio-random {
  align-self: end;
}

.radio-field__label {
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color) 50%, transparent);
}

.radio-select,
.radio-filter {
  font-family: inherit;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--color);
  background: color-mix(in srgb, var(--background) 90%, black 10%);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 0;
  padding: 0.45rem 0.6rem;
  min-width: 0;
  max-width: 100%;
}

/* --- custom terminal dropdowns (downward only) -------------------------------------- */

.radio-field {
  position: relative;
  min-width: 0;
}

.radio-dd {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  font-family: inherit;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--color);
  background: color-mix(in srgb, var(--background) 90%, black 10%);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 0;
  padding: 0.45rem 0.6rem;
  cursor: pointer;
  min-width: 0;
}

.radio-dd:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
.radio-dd:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.radio-dd__value {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.radio-dd__caret {
  flex: none;
  color: var(--accent);
  font-size: 0.6rem;
  transition: transform 0.15s ease;
}
.radio-dd[aria-expanded="true"] .radio-dd__caret { transform: rotate(180deg); }

/* Listbox: anchored below the trigger, opens DOWNWARD only, capped + scrolls. */
.radio-listbox {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 60;
  margin: 2px 0 0;
  padding: 2px;
  list-style: none;
  background: var(--background);
  border: 1px solid var(--accent);
  border-radius: 0;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.45);
  font-size: 0.64rem;
  max-height: 240px;
  overflow-y: auto;
  overflow-x: hidden;
}

.radio-listbox--long { max-height: 360px; }

.radio-listbox li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.32rem 0.5rem;
  color: var(--color);
  cursor: pointer;
  white-space: nowrap;
}

.radio-listbox li .radio-listbox__count {
  color: color-mix(in srgb, var(--color) 45%, transparent);
  font-size: 0.58rem;
  flex: none;
}

.radio-listbox li:hover,
.radio-listbox li.is-cursor {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}

.radio-listbox li[aria-selected="true"] {
  color: var(--accent);
  font-weight: 800;
}

.radio-listbox li[aria-selected="true"]::before {
  content: "▸ ";
  color: var(--accent);
}

.radio-filter { min-width: 160px; }

.radio-select {
  width: 100%;
  appearance: none;
  text-overflow: ellipsis;
  padding-right: 1.6rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position: calc(100% - 14px) 55%, calc(100% - 9px) 55%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}

.radio-field {
  min-width: 0;
  flex: 0 1 auto;
}

/* Country select: capped so Filter + [Hi-Fi] stay on the same row. */
.radio-field--country {
  flex: 1 1 200px;
  max-width: 260px;
}

.radio-filter { min-width: 160px; }

.radio-filter::placeholder { color: color-mix(in srgb, var(--accent) 55%, transparent); }

/* Hide-unavailable toggle switch: terminal block knob slides on a track.
   Row-2 controls stretch to the same height as the input fields (33px). */
.radio-field--hifi { grid-column: 3; }

.radio-random,
.radio-switch {
  height: 33px;
  box-sizing: border-box;
}

.radio-random {
  width: 100%;
}

.radio-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  height: 33px;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  font-family: inherit;
  justify-self: end;
}

.radio-switch__label {
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  color: color-mix(in srgb, var(--color) 55%, transparent);
}

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

/* Theme button:hover fills any button background on hover; the terminal
   switch stays chromeless (Sophie). */
.radio-switch:hover { background: none; }

.radio-switch__track {
  position: relative;
  display: inline-block;
  width: 34px;
  height: 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 55%, transparent);
  background: color-mix(in srgb, var(--background) 90%, black 10%);
}

.radio-switch__knob {
  position: absolute;
  top: 1px;
  left: 1px;
  width: 14px;
  height: 12px;
  background: color-mix(in srgb, var(--color) 40%, transparent);
  transition: transform 0.15s ease, background 0.15s ease;
}

.radio-switch[aria-checked="true"] .radio-switch__knob {
  transform: translateX(16px);
  background: var(--accent);
}

.radio-random {
  grid-column: 2;
  justify-self: start;
  border-style: dashed;
}

.radio-hifi.is-on {
  background: var(--accent);
  color: var(--background);
}

/* --- stations list -------------------------------------------------------------------------- */

.radio-stations {
  padding: 0 1.2rem 0.9rem;
}

.radio-stations__head {
  display: flex;
  justify-content: space-between;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--color) 50%, transparent);
  margin-bottom: 0.45rem;
}

.radio-list {
  display: flex;
  flex-direction: column;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  max-height: 430px;
  overflow-y: auto;
}

.radio-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: 100%;
  text-align: left;
  font-family: inherit;
  font-size: 0.72rem;
  color: var(--color);
  background: transparent;
  border: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 12%, transparent);
  border-radius: 0;
  padding: 0.55rem 0.7rem;
  cursor: pointer;
}

.radio-row:last-child { border-bottom: none; }
.radio-row:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }

.radio-row.is-active {
  background: var(--accent);
  color: var(--background);
}

.radio-row.is-selected:not(.is-active) {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
}

.radio-row.is-unplayable {
  opacity: 0.45;
  cursor: not-allowed;
}

.radio-row__mark { width: 1em; color: var(--accent); flex: none; }
.radio-row.is-active .radio-row__mark { color: var(--background); }
.radio-row__num { color: color-mix(in srgb, var(--color) 45%, transparent); flex: none; }
.radio-row.is-active .radio-row__num { color: color-mix(in srgb, var(--background) 70%, transparent); }

.radio-row__name {
  flex: 1 1 auto;
  min-width: 0;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.radio-row__codec {
  flex: none;
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--color) 50%, transparent);
}

.radio-row.is-active .radio-row__codec { color: color-mix(in srgb, var(--background) 75%, transparent); }

.radio-empty {
  margin: 0;
  padding: 0.9rem 0.7rem;
  font-size: 0.66rem;
  opacity: 0.65;
}

/* --- keybind footer ---------------------------------------------------------------------------- */

.radio-keybinds {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  padding: 0.7rem 1.2rem 0.85rem;
  border-top: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  font-size: 0.6rem;
  color: color-mix(in srgb, var(--color) 55%, transparent);
}

.radio-keybinds b { color: var(--accent); }

.radio-attribution {
  margin-top: 1.1rem;
  font-size: 0.6rem;
  opacity: 0.55;
}

.radio-attribution a { color: var(--accent); }

/* --- responsive ---------------------------------------------------------------------------------- */

@media (max-width: 768px) {
  .radio-spectrum { height: 100px; }
  /* Same two browse rows as desktop; transport keeps its 3-column line
     (play | volume | switch) with the volume shrinking to fit. */
  .radio-listbox--long { max-height: 300px; }
}

@media (max-width: 600px) {
  .radio-hero { padding: 0.9rem 0.9rem 0.7rem; }
  .radio-spectrum-wrap { margin: 0 0.9rem 0.9rem; }
  /* Transport stays one line (play | volume | switch); drop the switch's
     text label so the volume keeps usable width. */
  .radio-transport { padding: 0 0.9rem 0.9rem; gap: 0.55rem; }
  .radio-switch__label { display: none; }
  .radio-transport .radio-btn { min-width: 0; }
  /* Browse: 2 columns — language|random, region|country, filter full-width. */
  .radio-browse { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); padding: 0.8rem 0.9rem; gap: 0.55rem; }
  .radio-field--grow { grid-column: 1 / -1; grid-row: 3; }
  .radio-stations { padding: 0 0.9rem 0.8rem; }
  .radio-list { max-height: 360px; }
  .radio-keybinds { padding: 0.6rem 0.9rem 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  .radio-row, .radio-btn { transition: none; }
}