lgtv_audio_cap/frontend/css/app.css

/* Designed against a 1920x1080 viewport, which is what webOS reports to an app
 * on both a 1080p and a 4K panel. Sizes are absolute px for that reason.
 *
 * Two rules shape everything here: text is read from the sofa, so nothing is
 * smaller than 22px; and focus is the only cursor, so the focused element has
 * to be unmistakable across the room. */

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 1920px;
  height: 1080px;
  overflow: hidden;
  background: #0b0e13;
  color: #e8ecf3;
  font-family: "LG Smart UI", "Museo Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 26px;
  line-height: 1.4;
  /* The remote is the pointer. A caret blinking somewhere off-screen is only
   * ever confusing. */
  -webkit-user-select: none;
  user-select: none;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100%;
  /* Overscan safe area: older sets crop up to 5% of each edge. */
  padding: 40px 60px 30px;
}

/* --- header --------------------------------------------------------------- */

#header {
  display: flex;
  align-items: center;
  flex: none;
  gap: 30px;
  padding-bottom: 22px;
  border-bottom: 2px solid #1d2430;
}

.brand h1 {
  margin: 0;
  font-size: 46px;
  font-weight: 300;
  letter-spacing: 0.5px;
}

.subtitle {
  color: #7c8798;
  font-size: 22px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
}

.pill {
  display: inline-block;
  padding: 8px 24px;
  border-radius: 999px;
  background: #1d2430;
  color: #9aa6b8;
  font-size: 24px;
  white-space: nowrap;
}

.pill.running {
  background: #123a24;
  color: #57d98a;
}

.pill.starting {
  background: #3a3212;
  color: #e2c657;
}

.pill.error {
  background: #3d1a1c;
  color: #ff7b7b;
}

.uptime {
  color: #7c8798;
  font-size: 22px;
  min-width: 110px;
}

/* --- tabs ----------------------------------------------------------------- */

#tabs {
  display: flex;
  flex: none;
  gap: 14px;
  padding: 20px 0;
}

.tab {
  padding: 12px 34px;
  border: 2px solid transparent;
  border-radius: 12px;
  background: #151b25;
  color: #9aa6b8;
  font: inherit;
  cursor: default;
}

.tab.active {
  background: #1e2a3d;
  color: #ffffff;
}

/* --- content -------------------------------------------------------------- */

#content {
  flex: 1;
  overflow-y: auto;
  padding-right: 14px;
  /* Room to scroll the last card clear of the bottom edge. */
  padding-bottom: 120px;
}

#content::-webkit-scrollbar {
  width: 10px;
}

#content::-webkit-scrollbar-thumb {
  border-radius: 5px;
  background: #2a3444;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.card {
  padding: 26px 32px;
  border: 2px solid #1d2430;
  border-radius: 16px;
  background: #121722;
}

.card h2 {
  margin: 0 0 6px;
  color: #cfd8e6;
  font-size: 30px;
  font-weight: 400;
}

.card.error {
  border-color: #5a2226;
  background: #1c1215;
  color: #ff9d9d;
}

.blurb {
  margin: 0 0 14px;
  max-width: 1200px;
  color: #7c8798;
  font-size: 22px;
}

.muted {
  color: #7c8798;
}

.hidden {
  display: none !important;
}

/* --- fields --------------------------------------------------------------- */

.field {
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 14px 0;
  border-top: 1px solid #1a212c;
}

.field:first-child {
  border-top: none;
}

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

.field-label {
  font-size: 26px;
}

.field-hint {
  color: #7c8798;
  font-size: 21px;
}

.field-control {
  flex: none;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 16px;
}

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

.btn {
  min-width: 150px;
  padding: 12px 30px;
  border: 2px solid #2c3646;
  border-radius: 12px;
  background: #1c2432;
  color: #e8ecf3;
  font: inherit;
  text-align: center;
  cursor: default;
}

.btn.primary {
  background: #1f4d76;
  border-color: #2b6ba6;
}

.btn.danger {
  border-color: #5a2226;
  background: #2a171a;
  color: #ff9d9d;
}

.btn.toggle {
  min-width: 120px;
}

.btn.toggle.on {
  border-color: #2f7a4d;
  background: #143324;
  color: #6ee29a;
}

.btn.choice {
  min-width: 300px;
}

.input {
  width: 360px;
  padding: 12px 18px;
  border: 2px solid #2c3646;
  border-radius: 12px;
  background: #0d1119;
  color: #e8ecf3;
  font: inherit;
  /* Text fields are the one place typing happens. */
  -webkit-user-select: text;
  user-select: text;
}

.input.wide {
  width: 620px;
}

/* One focus treatment for every control: a bright ring plus a lift. Visible
 * from across the room on both an OLED and a dim LCD. */
.focusable:focus {
  outline: none;
  border-color: #4aa3ff;
  box-shadow: 0 0 0 4px rgba(74, 163, 255, 0.35);
}

.btn.focusable:focus,
.tab.focusable:focus {
  background: #2b6ba6;
  color: #ffffff;
}

.btn.toggle.on.focusable:focus {
  background: #2f7a4d;
  color: #ffffff;
}

.btn.danger.focusable:focus {
  background: #8a2f36;
  color: #ffffff;
}

/* --- meter ---------------------------------------------------------------- */

.meter {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 10px 0 18px;
}

.meter-row {
  display: flex;
  align-items: center;
  gap: 20px;
}

.meter-label {
  width: 90px;
  color: #7c8798;
  font-size: 22px;
}

.meter-db {
  width: 130px;
  color: #9aa6b8;
  font-size: 22px;
  text-align: right;
  /* dB numbers jitter constantly; tabular digits stop the label dancing. */
  font-variant-numeric: tabular-nums;
}

.bar {
  flex: 1;
  height: 26px;
  overflow: hidden;
  border-radius: 13px;
  background: #0d1119;
}

.bar-fill {
  width: 0;
  height: 100%;
  border-radius: 13px;
  background: linear-gradient(90deg, #3aa76d, #7bd44f 70%, #e2c657 88%, #ff5f5f);
  /* Short enough to feel live at the service's 100 ms notify interval. */
  transition: width 80ms linear;
}

.bar.rms .bar-fill {
  background: linear-gradient(90deg, #2b6ba6, #4aa3ff);
}

.bands {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 180px;
  padding: 12px 0 0;
  border-top: 1px solid #1a212c;
}

.band {
  flex: 1;
  min-height: 3px;
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, #4aa3ff, #1f4d76);
  transition: height 80ms linear;
}

.clip {
  margin-top: 14px;
  color: #ff7b7b;
  font-size: 24px;
}

/* --- info grid ------------------------------------------------------------ */

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px 30px;
  padding-top: 12px;
}

.info-item {
  min-width: 0;
}

.info-key {
  color: #7c8798;
  font-size: 21px;
}

.info-value {
  overflow: hidden;
  font-size: 27px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- sink status ---------------------------------------------------------- */

.sink-status {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 12px;
}

.sink-line {
  display: flex;
  align-items: baseline;
  gap: 18px;
}

.dot {
  flex: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #4b5666;
}

.dot.ok {
  background: #57d98a;
}

.dot.bad {
  background: #ff5f5f;
}

.sink-name {
  min-width: 320px;
}

.sink-detail {
  color: #7c8798;
  font-size: 22px;
}

/* --- sink cards ----------------------------------------------------------- */

#sink-cards {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.sink-card .sink-head {
  display: flex;
  align-items: center;
  gap: 30px;
}

.sink-card .sink-head h2 {
  margin: 0;
}

.sink-card .sink-head .field-control {
  margin-left: auto;
}

.sink-card.off .sink-body {
  opacity: 0.45;
}

.badge {
  padding: 4px 16px;
  border-radius: 999px;
  background: #1f4d76;
  color: #9fd0ff;
  font-size: 20px;
}

/* --- output / logs -------------------------------------------------------- */

.output {
  max-height: 520px;
  margin: 18px 0 0;
  padding: 20px;
  overflow: auto;
  border-radius: 12px;
  background: #0d1119;
  color: #b8c4d4;
  font-family: "Courier New", monospace;
  font-size: 20px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  -webkit-user-select: text;
  user-select: text;
}

/* --- toast ---------------------------------------------------------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 48px;
  z-index: 10;
  padding: 16px 40px;
  transform: translateX(-50%);
  border: 2px solid #2c3646;
  border-radius: 14px;
  background: #1c2432;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
  font-size: 24px;
}

.toast.bad {
  border-color: #5a2226;
  background: #2a171a;
  color: #ff9d9d;
}