:root {
  --bg: #f3efe7;
  --bg-accent: #ded1bb;
  --panel: rgba(255, 250, 241, 0.82);
  --panel-strong: rgba(255, 248, 236, 0.95);
  --line: rgba(88, 62, 22, 0.14);
  --ink: #1f1b16;
  --muted: #65594c;
  --warm: #aa5f2d;
  --warm-deep: #6f3313;
  --cool: #204e5a;
  --shadow: 0 18px 50px rgba(56, 41, 16, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.85), transparent 30%),
    radial-gradient(circle at bottom right, rgba(32, 78, 90, 0.18), transparent 24%),
    linear-gradient(135deg, var(--bg), var(--bg-accent));
}

.shell {
  width: min(1100px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.tab-nav {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
}

.tab-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--cool);
  background: rgba(255, 248, 236, 0.76);
  text-decoration: none;
  font-family: "Trebuchet MS", "Avenir Next", sans-serif;
}

.tab-link.active {
  background: var(--warm);
  color: #fff8f2;
}

.hero,
.live-panel,
.history-panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -80px -80px auto;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(170, 95, 45, 0.26), transparent 68%);
}

.eyebrow,
.panel-head p,
.meta-card span,
.transcript {
  font-family: "Trebuchet MS", "Avenir Next", sans-serif;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--warm-deep);
  font-size: 0.8rem;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 0.96;
  max-width: 10ch;
}

.lead {
  margin-top: 16px;
  max-width: 60ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.controls {
  display: flex;
  gap: 12px;
  margin-top: 22px;
}

.button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  font: inherit;
  cursor: pointer;
  transition: transform 140ms ease, opacity 140ms ease, background 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--warm);
  color: #fff8f2;
}

.button.secondary {
  background: rgba(32, 78, 90, 0.12);
  color: var(--cool);
}

.button.tertiary {
  background: rgba(111, 51, 19, 0.1);
  color: var(--warm-deep);
}

.voice-status {
  margin-top: 14px;
  color: var(--muted);
  font-family: "Trebuchet MS", "Avenir Next", sans-serif;
  font-size: 0.95rem;
}

.selectors {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.selectors label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-family: "Trebuchet MS", "Avenir Next", sans-serif;
  font-size: 0.92rem;
}

.selectors select {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-strong);
  color: var(--ink);
  padding: 10px 16px;
  font: inherit;
}

.voice-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.voice-picker {
  color: var(--muted);
  font-family: "Trebuchet MS", "Avenir Next", sans-serif;
  font-size: 0.92rem;
}

.voice-select {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-strong);
  color: var(--ink);
  padding: 10px 16px;
  font: inherit;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.meta-card,
.now-card,
.segment {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 22px;
}

.meta-card {
  padding: 16px 18px;
}

.meta-card span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.live-panel,
.history-panel {
  margin-top: 22px;
  padding: 24px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
}

.panel-head h2 {
  font-size: 1.4rem;
}

.panel-head p {
  color: var(--muted);
}

.error-text {
  color: #9f2a1a;
}

.now-card {
  padding: 22px;
}

.translation {
  font-size: clamp(1.4rem, 2.8vw, 2.6rem);
  line-height: 1.08;
}

.speaker-label {
  color: var(--warm-deep);
  font-family: "Trebuchet MS", "Avenir Next", sans-serif;
  font-size: 0.84rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.translation-grid {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.translation-card {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(32, 78, 90, 0.07);
}

.translation-card strong {
  display: block;
  margin-bottom: 6px;
  color: var(--cool);
  font-family: "Trebuchet MS", "Avenir Next", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.transcript {
  margin-top: 16px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

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

.segment {
  padding: 18px;
  animation: rise 240ms ease;
}

.segment time {
  display: block;
  color: var(--warm-deep);
  font-family: "Trebuchet MS", "Avenir Next", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.segment .translation {
  font-size: 1.2rem;
}

.segment .transcript {
  font-size: 0.97rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(100vw - 20px, 1100px);
    padding-top: 20px;
  }

  .hero,
  .live-panel,
  .history-panel {
    border-radius: 22px;
  }

  .meta-grid {
    grid-template-columns: 1fr;
  }

  .panel-head {
    flex-direction: column;
    align-items: flex-start;
  }
}