:root {
  --bg: #0b1220;
  --bg-elev: #121a2b;
  --bg-soft: #18233a;
  --text: #e8eefc;
  --muted: #93a0b8;
  --line: #243149;
  --accent: #3d8bfd;
  --accent-2: #22c55e;
  --danger: #f87171;
  --interim: #9fb4d9;
  --radius: 14px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
}

body {
  min-height: 100dvh;
}

a {
  color: var(--accent);
  text-decoration: none;
}

.app {
  min-height: 100dvh;
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto auto 1fr auto auto;
  padding: calc(12px + var(--safe-t)) 14px calc(12px + var(--safe-b));
  gap: 10px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.logo {
  font-weight: 750;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.tag {
  font-size: 0.75rem;
  color: var(--muted);
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
}

.status-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  font-size: 0.9rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
}

.dot[data-state="listening"] {
  background: var(--accent-2);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18);
  animation: pulse 1.4s ease-in-out infinite;
}

.dot[data-state="error"] {
  background: var(--danger);
}

.dot[data-state="paused"] {
  background: #fbbf24;
}

.lang {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.8rem;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.15);
  }
}

.transcript-wrap {
  position: relative;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  background: linear-gradient(180deg, var(--bg-elev), var(--bg-soft));
  min-height: 42vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.transcript {
  flex: 1;
  overflow-y: auto;
  padding: 16px 16px 8px;
  font-size: 1.12rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

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

.interim {
  margin: 0;
  padding: 0 16px 14px;
  min-height: 1.5em;
  color: var(--interim);
  font-size: 1.05rem;
  font-style: italic;
  opacity: 0.95;
}

.empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
  pointer-events: none;
}

.empty.hidden {
  display: none;
}

.controls {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
  justify-content: space-between;
}

.field {
  display: grid;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--muted);
  min-width: 160px;
  flex: 1;
}

.field select {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.95rem;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  user-select: none;
}

.actions {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 8px;
}

.btn {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 12px;
  padding: 12px 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 48px;
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--accent);
  border-color: transparent;
  color: #fff;
}

.btn.primary[data-on="true"] {
  background: #1f6fd6;
}

.btn.danger {
  color: #fecaca;
  border-color: #5b2a2a;
  background: #2a1518;
}

.meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  color: var(--muted);
  font-size: 0.82rem;
  padding-bottom: 4px;
}

.linkish {
  background: none;
  border: 0;
  color: var(--accent);
  font: inherit;
  cursor: pointer;
  padding: 0;
}

.dialog {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0;
  max-width: min(480px, calc(100vw - 24px));
  background: var(--bg-elev);
  color: var(--text);
}

.dialog::backdrop {
  background: rgba(4, 8, 16, 0.72);
}

.dialog-body {
  padding: 20px;
  display: grid;
  gap: 12px;
}

.dialog-body h2 {
  margin: 0;
  font-size: 1.15rem;
}

.dialog-body p,
.dialog-body li {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  font-size: 0.95rem;
}

.dialog-body ul {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 6px;
}

.dialog-body .small {
  font-size: 0.82rem;
}

@media (max-width: 420px) {
  .actions {
    grid-template-columns: 1fr 1fr;
  }

  .actions .btn.primary {
    grid-column: 1 / -1;
  }
}

@media (min-width: 721px) {
  .app {
    padding-top: 20px;
  }

  .transcript {
    font-size: 1.2rem;
  }
}