:root {
  --bg: #07111f;
  --panel: rgba(10, 20, 34, 0.72);
  --panel-strong: rgba(13, 28, 48, 0.9);
  --line: rgba(122, 190, 255, 0.18);
  --text: #e6f0ff;
  --muted: #87a1c1;
  --accent: #2fd3ff;
  --accent-strong: #8ef7ff;
  --accent-warm: #7b7dff;
  --shadow: rgba(2, 8, 20, 0.42);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Avenir Next", "IBM Plex Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 15% 15%, rgba(47, 211, 255, 0.16), transparent 22%),
    radial-gradient(circle at 85% 10%, rgba(123, 125, 255, 0.18), transparent 20%),
    linear-gradient(145deg, #040914, var(--bg) 45%, #081a30);
}

.page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 32px 18px 64px;
  display: grid;
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 20px 60px var(--shadow);
  backdrop-filter: blur(18px);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  letter-spacing: 0.02em;
}

.eyebrow,
.label {
  margin: 0 0 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
}

.sub {
  max-width: 760px;
  color: var(--muted);
}

.hero {
  position: relative;
  background:
    linear-gradient(135deg, rgba(15, 32, 54, 0.92), rgba(9, 22, 38, 0.76)),
    radial-gradient(circle at top right, rgba(47, 211, 255, 0.18), transparent 26%);
}

.visit-counter {
  position: absolute;
  top: 20px;
  right: 24px;
  color: rgba(230, 240, 255, 0.54);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.hero-copy {
  margin: 10px 0 0;
  font-size: 1rem;
  line-height: 1.7;
}

.control-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: end;
}

.control-meta {
  display: grid;
  gap: 6px;
}

.route-hint {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  line-height: 1.65;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
  margin-top: 16px;
}

.controls label {
  display: grid;
  gap: 6px;
}

.controls input,
select {
  width: 148px;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  color: var(--text);
  box-shadow: none;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 13px 20px;
  background: var(--accent);
  color: #04111b;
  cursor: pointer;
  font-weight: 700;
  box-shadow: 0 12px 30px rgba(47, 211, 255, 0.22);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.primary-action {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.secondary-action {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  box-shadow: none;
  border: 1px solid rgba(142, 247, 255, 0.12);
}

.mono {
  font-family: "SFMono-Regular", monospace;
}

.language-row {
  display: flex;
  align-items: end;
  gap: 16px;
  flex-wrap: wrap;
}

.language-row.compact {
  align-items: center;
}

.route-node,
.route-select {
  display: grid;
  gap: 4px;
  align-items: center;
}

.route-select select {
  width: 100%;
  min-width: 96px;
  padding: 0 18px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 1rem;
  outline: none;
  appearance: none;
  cursor: pointer;
}

.route-select {
  position: relative;
  min-width: 96px;
}

.route-select::after {
  content: "▾";
  position: absolute;
  right: 0;
  bottom: 2px;
  color: var(--muted);
  pointer-events: none;
}

.language-row label {
  display: grid;
  gap: 6px;
}

.arrow {
  font-size: 28px;
  color: var(--muted);
  padding-bottom: 10px;
}

.route-node-label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.route-node-value {
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 1rem;
}

.stats {
  display: grid;
  grid-template-columns: 180px 180px minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
}

.stat {
  min-height: 96px;
}

.latency-panel {
  display: grid;
  align-content: start;
}

.latency-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  align-items: stretch;
}

.latency-item {
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(142, 247, 255, 0.08);
  display: grid;
  gap: 6px;
}

.latency-item.primary {
  background: linear-gradient(135deg, rgba(47, 211, 255, 0.14), rgba(123, 125, 255, 0.16));
  border-color: rgba(47, 211, 255, 0.24);
}

.latency-name {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.latency-value {
  font-size: 1.2rem;
  color: var(--text);
}

.latency-item.primary .latency-value {
  color: var(--accent-strong);
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 20px;
  align-items: stretch;
}

.stack {
  display: grid;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-content: stretch;
  height: 560px;
  min-height: 0;
}

.workspace-grid > .panel,
.stack > .panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.text-box {
  min-height: 160px;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.6;
}

.compact-box {
  min-height: 92px;
}

.transcript-box {
  flex: 1;
  overflow-y: auto;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: rgba(142, 247, 255, 0.32) rgba(255, 255, 255, 0.04);
}

.session-text-box {
  min-height: 0;
}

.asr-partial-box {
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.asr-final-box {
  display: grid;
  gap: 10px;
}

.transcript-line {
  margin: 0 0 10px;
}

.merged-line {
  margin: 0;
}

.transcript-line.fixed {
  color: var(--text);
}

.transcript-line.live {
  color: var(--accent-strong);
  animation: pulse 1.1s ease-in-out infinite;
}

.translation-live {
  font-size: 1.04rem;
}

.transcript-line.live-static {
  color: var(--accent-strong);
  margin: 0;
}

.feed {
  display: grid;
  flex: 1;
  align-content: start;
  gap: 12px;
  max-height: 560px;
  overflow-y: auto;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: rgba(142, 247, 255, 0.32) rgba(255, 255, 255, 0.04);
}

.transcript-box::-webkit-scrollbar,
.feed::-webkit-scrollbar {
  width: 10px;
}

.transcript-box::-webkit-scrollbar-track,
.feed::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
}

.transcript-box::-webkit-scrollbar-thumb,
.feed::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(47, 211, 255, 0.4), rgba(142, 247, 255, 0.24));
  border: 2px solid rgba(7, 17, 31, 0.7);
  border-radius: 999px;
}

.transcript-box::-webkit-scrollbar-thumb:hover,
.feed::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(47, 211, 255, 0.58), rgba(142, 247, 255, 0.36));
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.05);
}

.src {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.dst {
  margin: 0;
  color: var(--accent-strong);
  font-size: 1.1rem;
  line-height: 1.55;
}

.empty {
  color: var(--muted);
}

.timeline-panel {
  display: grid;
  gap: 14px;
}

.timeline-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.timeline-legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.timeline-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.88rem;
}

.timeline-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
}

.timeline-dot.input {
  background: var(--accent);
  box-shadow: 0 0 12px rgba(47, 211, 255, 0.35);
}

.timeline-dot.output {
  background: var(--accent-warm);
  box-shadow: 0 0 12px rgba(123, 125, 255, 0.35);
}

.timeline-frame {
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01)),
    radial-gradient(circle at top left, rgba(47, 211, 255, 0.08), transparent 28%);
}

.timeline-canvas {
  width: 100%;
  height: 220px;
  display: block;
}

.recent-audio-panel {
  display: grid;
  gap: 14px;
}

.recent-session-list {
  display: grid;
  gap: 14px;
}

.recent-session-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.04);
  display: grid;
  gap: 14px;
}

.recent-session-title {
  margin: 0;
  color: var(--accent-strong);
}

.recent-session-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.recent-audio-block {
  display: grid;
  gap: 10px;
}

.recent-audio-label {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

.audio-player {
  width: 100%;
  height: 40px;
  filter: saturate(0.9) brightness(0.95);
}

.download-link {
  color: var(--accent-strong);
  text-decoration: none;
  font-size: 0.92rem;
}

.download-link:hover {
  text-decoration: underline;
}

@keyframes pulse {
  0% {
    opacity: 0.45;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.45;
  }
}

@media (max-width: 720px) {
  .page {
    padding-inline: 14px;
  }

  .panel {
    padding: 18px;
  }

  .workspace-grid,
  .stats,
  .latency-strip {
    grid-template-columns: 1fr;
  }

  .recent-session-grid {
    grid-template-columns: 1fr;
  }

  .stack {
    height: auto;
    grid-template-rows: none;
  }

  .control-panel {
    grid-template-columns: 1fr;
  }

  .visit-counter {
    top: 16px;
    right: 18px;
    font-size: 0.76rem;
  }
}