:root {
  --bg: #121813;
  --panel: #161d17;
  --line: #263027;
  --text: #dfe4dc;
  --muted: #8d978c;
  --hen: #f5c84c;
  --drake: #93d36c;
  --duckling: #f39a3c;
  --pea: #b8ef6c;
  --call: #ee80d2;
  --accent: #4f8db3;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
  color: inherit;
}

/* --- layout: map on the left, the panel on the right -------------------- */

.app {
  display: grid;
  height: 100vh;
  height: 100dvh;
  grid-template-columns: minmax(0, 1fr) clamp(320px, 32vw, 440px);
  grid-template-rows: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "map title"
    "map ducks"
    "map controls";
}

.title {
  grid-area: title;
  padding: 18px 20px 10px;
  padding-top: max(18px, env(safe-area-inset-top));
  padding-right: max(20px, env(safe-area-inset-right));
  background: var(--panel);
}

.map {
  grid-area: map;
  position: relative;
  min-width: 0;
  min-height: 0;
  padding-left: env(safe-area-inset-left);
}

.ducks {
  grid-area: ducks;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: #334034 transparent;
  scrollbar-width: thin;
  container-type: inline-size;
  background: var(--panel);
  padding: 0 12px;
  padding-right: max(12px, env(safe-area-inset-right));
}

.controls {
  grid-area: controls;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 20px 16px;
  padding-right: max(20px, env(safe-area-inset-right));
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  background: var(--panel);
  border-top: 1px solid var(--line);
}

/* --- title and legend ---------------------------------------------------- */

h1 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.legend > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.hen { background: var(--hen); }
.dot.drake { background: var(--drake); }
.dot.duckling { background: var(--duckling); }
.dot.pea { background: var(--pea); width: 7px; height: 7px; }

#pea-count {
  font-variant-numeric: tabular-nums;
}

/* --- the map ------------------------------------------------------------- */

#map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: manipulation;
}

/* --- the duck list ------------------------------------------------------- */

.ducks ol {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 4px 0 12px;
  list-style: none;
}

.duck {
  display: grid;
  grid-template-columns: 14px 4.7em 4.3em 4.4em minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 34px;
  padding: 4px 8px;
  border: 0;
  border-radius: 8px;
  background: none;
  text-align: left;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
}

.duck:hover {
  background: #1e271f;
}

.duck[aria-pressed="true"] {
  background: #253226;
  box-shadow: inset 0 0 0 1px #3d4f3e;
}

.duck .name {
  font-weight: 600;
}

.duck .dist,
.duck .bearing {
  color: var(--muted);
  text-align: right;
}

.duck .doing {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, max-content);
  justify-content: start;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

/* when space is short, what they are doing gives way to what they are saying */
.duck .activity {
  overflow: hidden;
  color: var(--muted);
  white-space: nowrap;
  text-overflow: ellipsis;
}

.duck .call {
  justify-self: start;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 1px 8px;
  border-radius: 999px;
  background: rgb(238 128 210 / 0.16);
  color: var(--call);
  font-weight: 600;
  white-space: nowrap;
}

.duck .call:empty {
  display: none;
}

/* in a narrow list, a calling duck shows just its call, which matters more
   than what it is up to */
@container (max-width: 420px) {
  .duck.calling .activity {
    display: none;
  }
}

/* --- controls ------------------------------------------------------------ */

.controls button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid #334034;
  border-radius: 10px;
  background: #1d251e;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
  transition: background 0.15s, transform 0.08s;
}

.controls button:hover:not(:disabled) {
  background: #253026;
}

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

.controls button:disabled {
  opacity: 0.45;
  cursor: default;
}

.controls svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

button.primary {
  border-color: transparent;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

.controls button.primary:hover:not(:disabled) {
  background: #5d9cc2;
}

.controls #peas {
  flex: 1;
}

.controls #peas svg {
  fill: var(--pea);
}

#headphones[aria-pressed="true"] {
  border-color: var(--accent);
  background: rgb(79 141 179 / 0.22);
  color: #cfe6f5;
}

#pause .when-paused,
#pause.paused .when-playing {
  display: none;
}

#pause.paused .when-paused {
  display: block;
}

.hint {
  flex-basis: 100%;
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

kbd {
  padding: 0 5px;
  border: 1px solid #3a463b;
  border-radius: 4px;
  font: 0.75rem ui-monospace, monospace;
}

/* --- the intro ----------------------------------------------------------- */

.intro {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgb(10 14 11 / 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.intro[hidden] {
  display: none;
}

.card {
  width: min(440px, 100%);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: 0 20px 60px rgb(0 0 0 / 0.5);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1.5rem;
}

.card p {
  margin: 0 0 18px;
  color: #b9c2b7;
}

.switch {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  cursor: pointer;
}

.switch input {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

button.big {
  width: 100%;
  min-height: 50px;
  border-radius: 12px;
  font-size: 1.1rem;
  cursor: pointer;
}

button.big:disabled {
  opacity: 0.6;
}

.error {
  margin: 14px 0 0 !important;
  color: #f19a8c !important;
}

/* keyboard hints only where there is a keyboard */
@media (hover: none), (pointer: coarse) {
  .hint {
    display: none;
  }
}

/* --- phones and other tall screens: everything stacked ------------------- */

@media (orientation: portrait) {
  html,
  body {
    font-size: 14px;
  }

  .app {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    grid-template-areas:
      "title"
      "map"
      "ducks"
      "controls";
  }

  .title {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 4px 12px;
    padding: 10px 14px 8px;
    padding-top: max(10px, env(safe-area-inset-top));
    background: var(--bg);
  }

  h1 {
    margin: 0;
    font-size: 0.95rem;
  }

  .legend {
    gap: 4px 10px;
    font-size: 0.8rem;
  }

  .map {
    aspect-ratio: 76 / 53;
    max-height: 56dvh;
    padding: 0;
  }

  .ducks {
    padding: 0 6px;
    border-top: 1px solid var(--line);
  }

  .duck {
    grid-template-columns: 12px 4.6em 4.1em 4.1em minmax(0, 1fr);
    gap: 6px;
    min-height: 36px;
  }

  .controls {
    padding: 10px 12px;
    padding-bottom: max(10px, env(safe-area-inset-bottom));
  }
}

/* very narrow phones: just the icon for headphones */
@media (max-width: 380px) {
  #headphones span {
    display: none;
  }
}

/* phones held sideways: a slimmer panel */
@media (orientation: landscape) and (max-height: 500px) {
  html,
  body {
    font-size: 13px;
  }

  .app {
    grid-template-columns: minmax(0, 1fr) clamp(260px, 38vw, 360px);
  }

  .title {
    padding: 10px 12px 6px;
    padding-top: max(10px, env(safe-area-inset-top));
  }

  .duck {
    grid-template-columns: 10px 4.4em 3.9em 3.9em minmax(0, 1fr);
    gap: 6px;
    min-height: 28px;
    padding: 2px 6px;
  }

  .controls {
    padding: 8px 12px;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
  }

  .controls button {
    min-height: 40px;
  }

  #headphones span {
    display: none;
  }
}