:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #f7f9ff;
  --panel: #ffffff;
  --panel-strong: #f4f7ff;
  --panel-soft: #eef3ff;
  --text: #001a66;
  --muted: #5e5e5e;
  --line: #dfe6ff;
  --line-bright: #b7c8ff;
  --accent: #0033cc;
  --accent-bright: #0055ff;
  --brand-orange: #ff6a00;
  --brand-purple: #632de4;
  --brand-cyan: #00c5ff;
  --brand-lavender: #9292ff;
  --warn: #ffbd4a;
  --danger: #ff5d7d;
  --shadow: 0 24px 80px rgb(0 51 204 / 12%);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% -8%, rgb(0 85 255 / 12%) 0, transparent 32%),
    radial-gradient(circle at 78% 0%, rgb(146 146 255 / 20%) 0, transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f6f8ff 56%, #eef3ff 100%);
  color: var(--text);
  font-family:
    "DM Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.34;
  background-image:
    linear-gradient(rgb(0 51 204 / 4%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(0 51 204 / 3%) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 82%);
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  gap: 16px;
  padding: 26px 30px 22px;
  position: relative;
}

.topbar,
.meter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.topbar {
  min-height: 120px;
}

.mode-tabs {
  display: inline-flex;
  gap: 4px;
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(255 255 255 / 82%);
  box-shadow: 0 14px 40px rgb(0 51 204 / 10%), inset 0 1px 0 #fff;
  padding: 4px;
}

.mode-tab {
  min-width: 150px;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 12px 18px;
  border-radius: 999px;
  letter-spacing: 0;
}

.mode-tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  color: #ffffff;
  box-shadow: 0 10px 26px rgb(0 85 255 / 24%);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-bright);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 1180px;
  font-size: clamp(44px, 5.6vw, 88px);
  font-weight: 760;
  line-height: 0.92;
  letter-spacing: 0;
  color: var(--accent);
}

.status-pill {
  display: inline-flex;
  min-width: 170px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(255 255 255 / 84%);
  box-shadow: 0 14px 40px rgb(0 51 204 / 10%), inset 0 1px 0 #fff;
  padding: 13px 18px;
  color: var(--muted);
  font-weight: 780;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--muted);
}

.status-dot.active {
  background: var(--accent);
  box-shadow: 0 0 0 6px rgb(0 85 255 / 14%);
}

.status-dot.warn {
  background: var(--warn);
}

.status-dot.error {
  background: var(--danger);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  height: clamp(360px, 50vh, 620px);
  min-height: 0;
}

.workspace.camera-mode {
  grid-template-columns: minmax(420px, 1.32fr) minmax(280px, 0.84fr) minmax(280px, 0.84fr);
}

.panel {
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background:
    linear-gradient(180deg, #ffffff 0%, rgb(255 255 255 / 88%) 48%, #f8faff 100%);
  box-shadow: var(--shadow), inset 0 1px 0 #fff;
  backdrop-filter: blur(18px);
}

.translation-panel {
  background:
    linear-gradient(135deg, rgb(0 85 255 / 8%), transparent 36%),
    linear-gradient(180deg, #ffffff 0%, #f5f8ff 100%);
}

.camera-panel {
  min-height: 0;
}

.camera-stage {
  position: relative;
  overflow: hidden;
  height: calc(100% - 45px);
  min-height: 0;
  background:
    radial-gradient(circle at 50% 50%, rgb(0 197 255 / 14%), transparent 42%),
    #000000;
}

#cameraPreview {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-subtitle {
  position: absolute;
  right: 22px;
  bottom: 22px;
  left: 22px;
  border: 1px solid rgb(255 255 255 / 18%);
  border-radius: 12px;
  background: rgb(0 24 94 / 74%);
  color: #ffffff;
  font-size: clamp(23px, 2.1vw, 38px);
  font-weight: 800;
  line-height: 1.22;
  padding: 16px 18px 17px;
  text-shadow: 0 2px 12px rgb(0 0 0 / 65%);
  backdrop-filter: blur(16px);
  display: -webkit-box;
  max-height: 3.05em;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.panel-label {
  border-bottom: 1px solid var(--line);
  padding: 15px 18px;
  color: #5e5e5e;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.live-text {
  overflow: auto;
  height: calc(100% - 45px);
  min-height: 0;
  padding: 28px 30px;
  font-size: clamp(22px, 2.45vw, 44px);
  font-weight: 780;
  line-height: 1.26;
  overscroll-behavior: contain;
  scrollbar-color: var(--line-bright) transparent;
  scrollbar-width: thin;
}

.live-text::-webkit-scrollbar {
  width: 8px;
}

.live-text::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: var(--line-bright);
}

.translation-text {
  color: var(--accent);
}

.live-text.placeholder,
.camera-subtitle.placeholder {
  color: var(--muted);
  opacity: 0.72;
}

.live-text.placeholder {
  font-size: clamp(22px, 2.1vw, 36px);
  line-height: 1.3;
}

.camera-subtitle.placeholder {
  font-size: clamp(19px, 1.6vw, 28px);
}

.line {
  display: block;
  margin-bottom: 0.62em;
}

.draft {
  color: var(--brand-purple);
  opacity: 0.76;
}

.audio-record {
  display: grid;
  grid-template-columns: 52px minmax(180px, 0.6fr) minmax(280px, 1fr);
  align-items: center;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgb(0 85 255 / 7%), transparent 32%),
    rgb(255 255 255 / 90%);
  box-shadow: var(--shadow), inset 0 1px 0 #fff;
  padding: 14px 18px;
}

.audio-record-icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-lavender), var(--accent-bright));
  color: #ffffff;
  font-size: 22px;
  font-weight: 900;
}

.audio-record-title {
  color: var(--text);
  font-size: 16px;
  font-weight: 850;
}

.audio-record-details {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

#audioRecordPlayer {
  width: 100%;
}

.controls {
  display: grid;
  grid-template-areas: "credentials settings actions";
  grid-template-columns: minmax(260px, 0.86fr) minmax(640px, 2fr) minmax(190px, 0.5fr);
  align-items: start;
  align-content: start;
  column-gap: 14px;
  row-gap: 10px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgb(0 85 255 / 7%), transparent 30%),
    linear-gradient(315deg, rgb(146 146 255 / 14%), transparent 30%),
    rgb(255 255 255 / 88%);
  box-shadow: var(--shadow), inset 0 1px 0 #fff;
  padding: 14px;
  backdrop-filter: blur(18px);
}

.controls.camera-mode {
  grid-template-areas: "credentials settings actions";
}

.control-group {
  min-width: 0;
  align-self: start;
}

.credentials-group {
  grid-area: credentials;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding-right: 14px;
  border-right: 1px solid var(--line);
}

.credentials-group .api-key-label {
  grid-column: auto;
}

.action-group {
  grid-area: actions;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-content: start;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.language-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.settings-group {
  grid-area: settings;
  display: grid;
  min-width: 0;
  gap: 9px;
  padding-inline: 0;
}

.controls.camera-mode .settings-group {
  grid-template-areas:
    "language language language language"
    "camera output output output"
    "visual visual visual frames";
  grid-template-columns: minmax(220px, 0.86fr) minmax(150px, 0.72fr) minmax(220px, 1fr) minmax(118px, 0.48fr);
  column-gap: 10px;
  row-gap: 9px;
}

.controls.camera-mode .language-group {
  grid-area: language;
}

.controls.camera-mode .output-group {
  grid-area: output;
}

.controls.camera-mode .visual-group {
  display: contents;
}

.controls.camera-mode .visual-group > label:nth-child(1) {
  grid-area: camera;
}

.controls.camera-mode .visual-group > label:nth-child(2) {
  grid-area: visual;
}

.controls.camera-mode .visual-group > label:nth-child(3) {
  grid-area: frames;
  max-width: none;
}

.output-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-self: start;
}

.output-fields {
  display: grid;
  grid-template-columns: minmax(170px, 0.74fr) minmax(0, 1.18fr) minmax(0, 1fr);
  align-items: end;
  gap: 10px;
}

.visual-group {
  grid-area: visual;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(190px, 0.62fr) 132px;
  gap: 10px;
}

label {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
  color: #5e5e5e;
  font-size: 12px;
  font-weight: 860;
  text-transform: uppercase;
}

label.is-muted {
  opacity: 0.42;
}

.field-label {
  display: block;
  color: #5e5e5e;
  font-size: 12px;
  font-weight: 860;
  line-height: 1.2;
  text-transform: uppercase;
}

.label-with-help {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.help-button {
  display: inline-grid;
  width: 18px;
  min-width: 18px;
  height: 18px;
  min-height: 18px;
  place-items: center;
  border: 1px solid var(--line-bright);
  border-radius: 50%;
  background: rgb(255 255 255 / 84%);
  box-shadow: inset 0 1px 0 #fff;
  color: var(--accent);
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
  padding: 0;
}

.help-button:hover,
.help-button:focus-visible {
  border-color: var(--accent-bright);
  background: #eef3ff;
  box-shadow: 0 0 0 4px rgb(0 85 255 / 12%);
}

.switch-field {
  min-width: 0;
}

.api-key-label {
  min-width: 0;
}

.api-key-field {
  position: relative;
  display: block;
}

input,
select {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgb(255 255 255 / 86%);
  color: var(--text);
  outline: none;
  padding: 11px 13px;
  box-shadow: inset 0 1px 0 #fff;
}

input:focus,
select:focus {
  border-color: rgb(0 85 255 / 70%);
  box-shadow: 0 0 0 4px rgb(0 85 255 / 12%);
}

.api-key-input {
  min-width: 0;
  width: 100%;
  padding-right: 46px;
}

.icon-button {
  position: absolute;
  right: 8px;
  bottom: 6px;
  display: grid;
  width: 32px;
  min-width: 32px;
  height: 32px;
  min-height: 32px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
  color: var(--muted);
  font-size: 24px;
  line-height: 1;
  padding: 0;
}

.icon-button:hover {
  background: #eef3ff;
  color: var(--accent);
}

input:disabled,
select:disabled {
  opacity: 0.45;
}

.toggle {
  display: flex;
  min-height: 44px;
  justify-content: space-between;
  flex-direction: row;
  align-items: center;
  align-self: end;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(255 255 255 / 76%);
  padding: 8px 10px 8px 15px;
  user-select: none;
}

.compact-toggle {
  min-height: 44px;
  width: 100%;
  min-width: 0;
  justify-content: center;
  align-self: center;
  gap: 10px;
  padding: 8px 14px;
  background: rgb(255 255 255 / 70%);
}

.output-toggle {
  margin-left: 0;
}

.toggle span {
  display: inline-flex;
  height: 22px;
  align-items: center;
  overflow: hidden;
  color: var(--text);
  font-size: 12px;
  font-weight: 860;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toggle input[type="checkbox"] {
  position: relative;
  width: 42px;
  min-width: 42px;
  height: 24px;
  min-height: 24px;
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: #cfd9ff;
  cursor: pointer;
  padding: 0;
  transition: background 160ms ease;
}

.toggle input[type="checkbox"]::after {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 2px 8px rgb(0 51 204 / 18%);
  content: "";
  transition: transform 160ms ease;
}

.toggle input[type="checkbox"]:checked {
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
}

.toggle input[type="checkbox"]:checked::after {
  transform: translateX(18px);
}

.toggle input[type="checkbox"]:disabled {
  opacity: 1;
  background: #e3e7f5;
}

.compact-toggle input[type="checkbox"] {
  width: 38px;
  min-width: 38px;
  height: 22px;
  min-height: 22px;
}

.compact-toggle input[type="checkbox"]::after {
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
}

.compact-toggle input[type="checkbox"]:checked::after {
  transform: translateX(16px);
}

.compact-control {
  max-width: 140px;
}

button {
  min-width: 108px;
  min-height: 48px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  color: #ffffff;
  cursor: pointer;
  font-weight: 850;
  padding: 12px 18px;
  box-shadow: 0 14px 28px rgb(0 85 255 / 22%);
  transition:
    transform 140ms ease,
    box-shadow 140ms ease,
    background 140ms ease;
}

.action-group button {
  min-height: 52px;
  width: 100%;
}

.primary-action {
  order: 1;
}

.danger-action {
  order: 2;
}

.action-group .secondary-button {
  order: 3;
}

.secondary-button {
  min-height: 52px;
}

button:not(:disabled):hover {
  transform: translateY(-1px);
}

button:disabled {
  background: #dde5ff;
  color: #8d96b3;
  cursor: not-allowed;
  box-shadow: none;
}

[hidden] {
  display: none !important;
}

#stopButton {
  background: linear-gradient(135deg, var(--brand-orange), var(--brand-purple));
  color: #fff;
}

#clearButton {
  border: 1px solid var(--line-bright);
  background: #ffffff;
  color: var(--accent);
}

.meter {
  overflow: hidden;
  width: min(34vw, 460px);
  height: 10px;
  border-radius: 999px;
  background: #dfe6ff;
}

#levelBar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--brand-cyan), var(--brand-lavender));
  transition: width 80ms linear;
}

.metrics {
  max-width: 72vw;
  color: var(--muted);
  font-size: 14px;
}

.social-footer {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(255 255 255 / 84%);
  box-shadow: 0 12px 34px rgb(0 51 204 / 9%), inset 0 1px 0 #fff;
  padding: 6px;
}

.social-link {
  position: relative;
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  color: var(--text);
  font-size: 13px;
  font-weight: 850;
  line-height: 1;
  padding: 8px 12px 8px 10px;
  text-decoration: none;
}

.social-link:hover,
.social-link:focus-visible {
  background: #eef3ff;
  color: var(--accent);
  outline: none;
}

.social-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.github-qr-popover {
  position: absolute;
  right: 0;
  bottom: calc(100% + 12px);
  display: grid;
  width: 172px;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgb(255 255 255 / 94%);
  box-shadow: 0 18px 48px rgb(0 51 204 / 18%), inset 0 1px 0 #fff;
  opacity: 0;
  padding: 12px;
  pointer-events: none;
  transform: translateY(6px);
  transition:
    opacity 140ms ease,
    transform 140ms ease;
  z-index: 4;
}

.github-qr-popover img {
  width: 148px;
  height: 148px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 4px;
}

.github-qr-popover span {
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  font-weight: 780;
  line-height: 1.15;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.social-link:hover .github-qr-popover,
.social-link:focus-visible .github-qr-popover {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .app-shell {
    padding: 18px;
  }

  .topbar,
  .meter-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar {
    min-height: auto;
  }

  .workspace {
    grid-template-columns: 1fr;
    grid-auto-rows: minmax(300px, 38vh);
    height: auto;
  }

  .workspace.camera-mode {
    grid-template-columns: 1fr;
    grid-auto-rows: minmax(300px, 38vh);
  }

  .panel {
    min-height: 300px;
  }

  .audio-record {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  #audioRecordPlayer {
    grid-column: 1 / -1;
  }

  .api-key-input,
  .meter {
    width: 100%;
  }

  .metrics {
    max-width: 100%;
  }

  .social-footer {
    width: 100%;
    justify-content: center;
  }

  .github-qr-popover {
    right: 50%;
    transform: translate(50%, 6px);
  }

  .social-link:hover .github-qr-popover,
  .social-link:focus-visible .github-qr-popover {
    transform: translate(50%, 0);
  }

  .controls {
    grid-template-areas:
      "credentials"
      "settings"
      "visual"
      "actions";
    grid-template-columns: 1fr;
  }

  .controls.camera-mode {
    grid-template-areas:
      "credentials"
      "settings"
      "actions";
  }

  .language-group,
  .visual-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .controls.camera-mode .settings-group {
    grid-template-areas: none;
    grid-template-columns: 1fr;
  }

  .controls.camera-mode .language-group,
  .controls.camera-mode .output-group,
  .controls.camera-mode .visual-group > label {
    grid-area: auto;
  }

  .controls.camera-mode .visual-group {
    display: grid;
  }

  .output-group {
    grid-template-columns: 1fr;
  }

  .output-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .credentials-group {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    border-right: 0;
    padding-right: 0;
  }

  .action-group {
    grid-template-columns: 1fr 1fr 1fr;
    border-left: 0;
    padding-left: 0;
  }

  .action-group .secondary-button {
    grid-column: auto;
  }

  .mode-tabs {
    width: 100%;
  }

  .mode-tab {
    flex: 1;
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .language-group,
  .output-fields,
  .visual-group,
  .credentials-group,
  .settings-group,
  .action-group {
    grid-template-columns: 1fr;
  }

  .compact-toggle {
    width: 100%;
  }
}

@media (max-height: 820px) and (min-width: 981px) {
  .app-shell {
    gap: 12px;
    padding-block: 18px;
  }

  .topbar {
    min-height: 92px;
  }

  h1 {
    font-size: clamp(42px, 5vw, 72px);
  }

  .mode-tabs {
    margin-top: 14px;
  }

  .workspace {
    min-height: 300px;
  }

  .camera-panel {
    min-height: 300px;
  }

  .camera-stage {
    min-height: 254px;
  }

  .live-text {
    padding: 24px 26px;
  }

  .controls {
    padding: 14px;
  }
}