/* The phone's chrome: a view filling the screen and a thin bar under it, one row a thumb can
   work: the menu button for the view's rail at the left, the talk button in the middle, the
   speaker and the ⋯ menu (the status line, Listen, Forget) at the right. The bar keeps clear
   of the home indicator. The view inside the frame brings its own look; this is only the
   frame. */

:root {
  --bg: #14121a;
  --panel: #1c1a24;
  --line: #2b2833;
  --text: #ece9f2;
  --dim: #9a94a8;
  --cophyla: #c08bd8;
  --moss: #7fc9a0;
  --amber: #e0b060;
  --danger: #e2685f;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

/* An author `display` beats the user agent's rule for `hidden`, and every screen here sets
   one: without this the three screens stack up on top of each other. */
[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
  overscroll-behavior: none;
}

#app,
#main {
  display: flex;
  flex-direction: column;
  height: 100%;
}

#pair,
#gate {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: 24px max(16px, env(safe-area-inset-left)) 24px max(16px, env(safe-area-inset-right));
  height: 100%;
}

h1 {
  font-size: 22px;
  font-weight: 600;
  margin: 0;
}

.hint {
  color: var(--dim);
  margin: 0;
}

.error {
  color: var(--danger);
  margin: 0;
}

form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

input {
  font: inherit;
  padding: 14px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
}

#pair-code {
  font-size: 28px;
  letter-spacing: 0.3em;
  text-align: center;
}

/* A browser's key: sixteen characters in fours, read off another screen. */
#pair-key {
  font: 22px/1.3 ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
}

#pair-key::placeholder {
  letter-spacing: 0.08em;
}

#key-form.aside {
  display: none;
}

.check {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.check input {
  width: 20px;
  height: 20px;
  padding: 0;
  margin: 0;
  accent-color: var(--cophyla);
}

button {
  font: inherit;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
  touch-action: manipulation;
}

button:disabled {
  opacity: 0.45;
}

button.big,
#pair-account,
#pair-submit,
#key-submit,
#invite-join {
  background: var(--cophyla);
  border-color: var(--cophyla);
  color: #18121c;
  font-weight: 600;
  padding: 18px;
}

#invite-confirm {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#invite-confirm p {
  margin: 0;
}

#invite-confirm .buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

#view {
  flex: 1;
  min-height: 0;
  background: var(--bg);
}

#view iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Equal ends, so the talk button sits in the middle whatever is at either side of it. */
#bar {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) 80px;
  align-items: center;
  border-top: 1px solid var(--line);
  background: var(--panel);
  padding: 0 max(4px, env(safe-area-inset-right)) env(safe-area-inset-bottom) max(4px, env(safe-area-inset-left));
}

.bar-end {
  display: flex;
  justify-self: end;
}

/* The whole line, at the top of the ⋯ menu: the talk button has room for a word. */
#status {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 4px;
  padding: 8px 12px 10px;
  border-bottom: 1px solid var(--line);
  color: var(--dim);
  font-size: 14px;
}

#status .dot {
  transform: translateY(1px);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--dim);
  flex: none;
}

.dot[data-status="offline"] {
  background: #4b4757;
}

.dot[data-status="idle"] {
  background: var(--moss);
  opacity: 0.5;
}

.dot[data-status="listening"],
.dot[data-status="transcribing"] {
  background: var(--moss);
  animation: pulse 1.4s ease-in-out infinite;
}

.dot[data-status="thinking"] {
  background: var(--amber);
  animation: pulse 1.4s ease-in-out infinite;
}

.dot[data-status="speaking"] {
  background: var(--cophyla);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.35;
  }
}

#status-text {
  min-width: 0;
  overflow-wrap: anywhere;
}

button.icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border-color: transparent;
  background: transparent;
  color: var(--dim);
}

button.icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

button.icon svg.dots {
  fill: currentColor;
  stroke: none;
}

#mute .speaker-off,
#mute[aria-pressed="true"] .speaker-on {
  display: none;
}

#mute[aria-pressed="true"] .speaker-off {
  display: block;
}

#mute[aria-pressed="true"] {
  color: var(--danger);
}

#more[aria-expanded="true"] {
  border-color: var(--line);
  background: var(--bg);
  color: var(--text);
}

#rail:active {
  color: var(--text);
}

.menu-wrap {
  position: relative;
  flex: none;
}

#menu {
  position: absolute;
  right: 0;
  bottom: calc(100% + 6px);
  z-index: 20;
  display: flex;
  flex-direction: column;
  min-width: 270px;
  max-width: calc(100vw - 16px);
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

#menu [role="menu"] {
  display: flex;
  flex-direction: column;
}

#menu button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  font-size: 15px;
  text-align: left;
  white-space: nowrap;
}

#menu button:active {
  background: var(--bg);
}

#forget {
  color: var(--danger);
}

.switch {
  position: relative;
  flex: none;
  width: 36px;
  height: 20px;
  border-radius: 10px;
  background: var(--line);
}

.switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--dim);
}

#listen[aria-checked="true"] .switch {
  background: var(--moss);
}

#listen[aria-checked="true"] .switch::after {
  left: 18px;
  background: #18121c;
}

/* The talk button: the bar's full height to press, a slim pill to see. */
.ptt {
  display: grid;
  justify-self: center;
  place-items: center;
  width: min(100%, 240px);
  height: 40px;
  padding: 0;
  border: 0;
  background: transparent;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.ptt-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  height: 30px;
  padding: 0 12px;
  border: 1px solid #3a3146;
  border-radius: 15px;
  background: #2a2334;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

#ptt-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.mic {
  flex: none;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* The microphone in the dot's colours: what the conversation is doing. */
.ptt[data-status="offline"] .mic {
  color: var(--dim);
}

.ptt[data-status="listening"] .mic,
.ptt[data-status="transcribing"] .mic {
  color: var(--moss);
  animation: pulse 1.4s ease-in-out infinite;
}

.ptt[data-status="thinking"] .mic {
  color: var(--amber);
  animation: pulse 1.4s ease-in-out infinite;
}

.ptt[data-status="speaking"] .mic {
  color: var(--cophyla);
  animation: pulse 1s ease-in-out infinite;
}

.ptt[data-down="1"] .ptt-pill {
  background: var(--cophyla);
  border-color: var(--cophyla);
  color: #18121c;
}

.ptt[data-down="1"] .mic {
  color: inherit;
  animation: none;
}

/*
 * A wide window on a computer: the pairing screen is a column in the middle, there is no bar
 * (the view draws the talk button, and the settings hold what the menu did), and a remote
 * desktop's page lies over the view where the view places it.
 */
html[data-form="desk"] #pair,
html[data-form="desk"] #gate {
  width: min(440px, 100%);
  margin: 0 auto;
  box-sizing: border-box;
}

html[data-form="desk"] #bar {
  display: none;
}

.stream-frame {
  position: fixed;
  z-index: 40;
  border: 0;
  background: #000;
}

.stream-frame[hidden] {
  display: none;
}

/* The stream's address has its own certificate to accept, once: said where the picture would be. */
.stream-note {
  position: fixed;
  z-index: 41;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  box-sizing: border-box;
  background: #0b0a0e;
  color: var(--dim);
  text-align: center;
}

.stream-note[hidden] {
  display: none;
}

.stream-note a {
  color: var(--cophyla);
}

/* A remote desktop's stream page over everything, until Close. */
.remote-layer {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  background: #000;
}

.remote-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: calc(env(safe-area-inset-top) + 6px) 12px 6px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  color: var(--dim);
}

.remote-bar button {
  padding: 8px 14px;
}

.remote-layer iframe {
  flex: 1 1 auto;
  width: 100%;
  border: 0;
  background: #000;
}

@media (prefers-reduced-motion: reduce) {
  .dot,
  .mic {
    animation: none !important;
  }
}