:root {
  --bg: #100e0c;
  --panel: #1a1612;
  --fg: #e8e4dc;
  --muted: #9e9890;
  --accent: #d97706;
  --warn: #e8a317;
  --ok: #3ddc97;
  --bad: #e85d4c;
  --talk: #7eb6ff;
  --border: #3a3228;
  --stroke: #6b5744;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Mono", "Consolas", "Liberation Mono", monospace;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.45;
}

main {
  max-width: 1440px;
  margin: 0;
  padding: 1.5rem;
}

h1 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 0.95rem;
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-weight: 600;
}

.warning {
  color: var(--warn);
  background: none;
  border: 0;
  padding: 0;
  margin: 0 0 1rem;
}

section {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

label {
  display: block;
  margin: 0.6rem 0 0.25rem;
  color: var(--muted);
  font-size: 0.85rem;
}

select,
button {
  font: inherit;
}

input[type="text"],
input[type="password"],
input[type="search"],
input:not([type]) {
  width: 100%;
  background-color: #14110e;
  color: var(--fg);
  padding: 0.5rem 0.7rem 0.5rem 0.55rem;
}

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

select {
  width: 100%;
  background-color: #14110e;
  color: var(--fg);
  padding: 0.5rem 0.7rem 0.5rem 0.55rem;
}

button {
  background-color: #241f1a;
  color: var(--fg);
  padding: 0.45rem 0.75rem;
  cursor: pointer;
  margin-right: 0.5rem;
  margin-top: 0.35rem;
  letter-spacing: 0.04em;
}

button:hover:not(:disabled):not(.on):not(.latched) {
  --stroke: #a8845c;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.row {
  margin: 0.25rem 0;
}

.label {
  color: var(--muted);
  display: inline-block;
  min-width: 10rem;
}

.state.connected,
.state.active {
  color: var(--ok);
}

.state.disconnected,
.state.inactive {
  color: var(--bad);
}

.hint {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0.35rem 0 0;
}

#remoteAudio {
  display: none;
}

.keyrow {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin: 0.35rem 0;
}

.keyrow .name {
  min-width: 8rem;
}

.keyrow label {
  display: inline;
  margin: 0;
  color: var(--fg);
}

.keyrow input[type="range"] {
  width: 8rem;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.session-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 0.8rem;
}

.session-bar #who {
  margin: 0 0 0 auto;
}

.session-bar > button,
.device-menu > button {
  margin: 0;
}

.device-menu {
  position: relative;
}

.device-panel {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  z-index: 4;
  width: 18rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.7rem;
  background: var(--panel);
  border: 2px solid var(--stroke);
  border-radius: 4px;
}

.device-panel[hidden] {
  display: none;
}

.device-panel label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin: 0;
}

.device-panel select {
  width: 100%;
}

.device-panel button {
  margin: 0.2rem 0 0;
  align-self: start;
}

.info-panel {
  width: 22rem;
}

.info-panel .hint {
  margin: 0;
}

.footer {
  border: 0;
  margin-top: 1.5rem;
}

details summary {
  cursor: pointer;
  color: var(--muted);
  margin: 0.8rem 0;
}

.desk {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.75rem;
}

#channels {
  flex: 1 1 280px;
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 0.5rem;
  align-items: start;
}

#p2pChannels {
  flex: 0 0 168px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#p2pChannels:empty {
  display: none;
}

.people-panel {
  width: min(36rem, calc(100vw - 3rem));
}

#links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: 0.15rem 0.85rem;
  max-height: 16rem;
  overflow: auto;
}

#links .person {
  width: auto;
  flex: none;
}

.device-panel #links label {
  flex-direction: row;
  align-items: center;
}

#links .person .offline {
  margin-left: 0.35rem;
}

.channel {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
  margin: 0;
  padding: 0.55rem;
  background-color: var(--panel);
  border: 1px solid #2c261f;
}

.channel.selected {
  border: 2px solid var(--accent);
  padding: calc(0.55rem - 1px);
}

.channel .label {
  color: var(--fg);
  display: block;
  min-width: 0;
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.channel .members {
  display: flex;
  align-items: center;
  margin-top: 0.25rem;
  min-height: 1rem;
  overflow: hidden;
}

.channel .member {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  max-width: 100%;
  font-size: 0.75rem;
  color: var(--muted);
}

.channel .member-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.channel .member.calling .member-name {
  color: var(--fg);
}

.channel .lamp {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 1px;
  background: #3a3228;
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  flex: none;
}

.channel .lamp.listen {
  background: var(--warn);
  box-shadow: 0 0 6px var(--warn);
}

.channel .lamp.both {
  background: var(--ok);
  box-shadow: 0 0 6px var(--ok);
}

.channel .lamp.talk {
  background: #8ab4f8;
  box-shadow: 0 0 6px #8ab4f8;
}

.channel .lamp.calling {
  animation: call-flash 0.45s steps(2, end) infinite;
}

@keyframes call-flash {
  50% {
    opacity: 0.15;
    box-shadow: none;
  }
}

.keyline {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.keyline:has(.knob) {
  margin-bottom: 0.7rem;
}

.keyline button {
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: 0.4rem 0.25rem;
  font-size: 0.68rem;
}

.knob-wrap {
  position: relative;
  width: 40px;
  height: 40px;
  flex: none;
}

.knob-spacer {
  width: 40px;
  flex: none;
}

.knob {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--stroke);
  background: #14110e;
  position: relative;
  padding: 0;
  cursor: ns-resize;
  touch-action: none;
}

.knob-face {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 2px;
  height: 13px;
  margin-left: -1px;
  margin-top: -13px;
  background: var(--accent);
  transform-origin: center bottom;
}

.channel .level-value,
.channel .talk-level-value {
  position: absolute;
  top: calc(100% + 1px);
  left: 0;
  width: 40px;
  font-size: 0.65rem;
  color: var(--muted);
  text-align: center;
  line-height: 1;
}

button.talk,
button.listen,
button.call {
  min-width: 0;
  margin: 0;
}

button.listen.on {
  --stroke: var(--ok);
  color: #102018;
  background-color: var(--ok);
}

button.talk.on,
button.talk.latched {
  --stroke: var(--warn);
  color: #1a1204;
  background-color: var(--warn);
}

button.call.on {
  --stroke: #f3e6c8;
  color: #1a1204;
  background-color: #f3e6c8;
}

.person {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  margin: 0;
  padding: 0.15rem 0;
  background: none;
  border: 0;
}

.person button {
  width: auto;
  min-width: 3.2rem;
  margin: 0;
  padding: 0.25rem 0.4rem;
  font-size: 0.68rem;
}

.person .name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.person input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  margin: 0;
  flex: none;
  accent-color: var(--accent);
}

.person .offline {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.68rem;
}

.p2p-channel.offline .label,
.p2p-channel.offline button {
  opacity: 0.45;
}

button.p2p.on,
button.ifb.on {
  --stroke: var(--accent);
  color: #1a1204;
  background-color: var(--accent);
}

.toolbar {
  display: flex;
  gap: 0.75rem;
  align-items: end;
  margin: 0.4rem 0 0.8rem;
}

.toolbar input {
  margin: 0;
}

.user-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
}

.user-table th,
.user-table td {
  text-align: left;
  padding: 0.45rem 0.55rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.user-table th {
  color: var(--muted);
  font-weight: 600;
}

dialog {
  background-color: var(--panel);
  color: var(--fg);
  border: 1px solid #3a3228;
  width: min(36rem, calc(100% - 2rem));
  padding: 1rem 1.1rem 1.2rem;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.62);
}

@media (max-width: 640px) {
  #channels {
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
  }
}

#log {
  white-space: pre-wrap;
  font-size: 0.75rem;
  color: var(--muted);
  max-height: 220px;
  overflow: auto;
  background-color: #100e0c;
  padding: 0.75rem;
  border: 1px solid #2c261f;
}

input[type="text"],
input[type="password"],
input[type="search"],
input:not([type]),
select,
button {
  border: 2px solid var(--stroke);
  border-radius: 4px;
}