:root {
  color-scheme: light;
  --bg: #f2f1ec;
  --ink: #162028;
  --muted: #5d6a74;
  --card: rgba(255, 252, 247, 0.95);
  --line: rgba(199, 201, 190, 0.82);
  --accent: #0f766e;
  --accent-2: #114b5f;
  --danger: #b42318;
  --success: #166534;
  --jp: #efe7dc;
  --vn: #e6f0ea;
  --shadow: 0 24px 80px rgba(22, 32, 40, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.92), transparent 26%),
    radial-gradient(circle at top right, rgba(17, 75, 95, 0.12), transparent 22%),
    linear-gradient(180deg, #fffaf0, var(--bg));
}

.page {
  max-width: 1220px;
  margin: 0 auto;
  padding: 28px 20px 36px;
}

.toolbar,
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
}

.toolbar-side {
  display: flex;
  align-items: center;
  gap: 16px;
}

.button-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 15px 22px;
  color: #fff;
  font: inherit;
  font-size: 1.02rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.16s ease, opacity 0.16s ease;
}

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

button:disabled {
  opacity: 0.55;
  cursor: wait;
  transform: none;
}

.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.secondary {
  background: linear-gradient(135deg, #6b7280, #374151);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 0.96rem;
  font-weight: 700;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.74);
}

.status-pill.ready {
  color: var(--success);
}

.status-pill.error {
  color: var(--danger);
}

.session-status {
  min-height: 24px;
  margin: 14px 2px 0;
  color: var(--muted);
  font-size: 1.04rem;
  font-weight: 700;
}

.transcript-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 16px;
}

.panel {
  min-height: 78vh;
  padding: 18px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

h2 {
  margin: 0;
  font-size: 1.9rem;
  letter-spacing: -0.03em;
}

.conversation-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: calc(78vh - 70px);
  max-height: calc(100vh - 160px);
  overflow-y: auto;
  padding: 14px;
  border-radius: 20px;
  border: 1px solid rgba(199, 201, 190, 0.7);
  background: rgba(255, 255, 255, 0.68);
  scroll-behavior: smooth;
}

#ja-transcript {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.74)),
    linear-gradient(180deg, var(--jp), rgba(255, 255, 255, 0.95));
}

#vi-transcript {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.74)),
    linear-gradient(180deg, var(--vn), rgba(255, 255, 255, 0.95));
}

.empty-state {
  color: var(--muted);
  font-size: 1.08rem;
  font-style: italic;
}

.transcript-entry {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(199, 201, 190, 0.72);
  line-height: 1.7;
  font-size: 1.2rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.transcript-entry.source {
  border-left: 5px solid var(--accent);
}

.transcript-entry.translated {
  border-left: 5px solid #c17a0f;
}

.transcript-entry.draft {
  opacity: 0.82;
  font-style: italic;
}

@media (max-width: 900px) {
  .toolbar,
  .transcript-grid {
    grid-template-columns: 1fr;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-side {
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .page {
    padding: 18px 14px 24px;
  }

  .panel {
    min-height: 44vh;
  }

  .conversation-panel {
    min-height: 36vh;
    max-height: none;
  }

  h2 {
    font-size: 1.6rem;
  }

  .transcript-entry {
    font-size: 1.12rem;
  }
}