/* =============================================================================
   Vosk — Speech to Text
   ============================================================================= */

/* ──────────────────────────────────────────────────────────────────────────
   1. Reset & Tokens
   ────────────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Surfaces */
  --bg: #0a0a0f;
  --surface: #111118;
  --surface-2: #16161f;
  --border: #1e1e2e;
  --border-strong: #2a2a3e;

  /* Accents */
  --accent: #7fffb2;
  --accent-dim: rgba(127, 255, 178, 0.10);
  --accent-glow: rgba(127, 255, 178, 0.25);
  --warn: #ffd47a;
  --warn-dim: rgba(255, 212, 122, 0.10);
  --error: #ff6b8a;
  --partial: #7eb8ff;

  /* Text */
  --text: #ececf2;
  --text-soft: #a8a8b8;
  --text-muted: #5a5a72;
  --text-dim: #2e2e42;

  /* Safe-area insets (notched devices) */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);

  /* Type */
  --font-display: 'Syne', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --font-read: 'Fraunces', Georgia, serif;
}

/* ──────────────────────────────────────────────────────────────────────────
   2. Base
   ────────────────────────────────────────────────────────────────────────── */
html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

/* Noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.4;
}



/* ──────────────────────────────────────────────────────────────────────────
   3. App layout
   ────────────────────────────────────────────────────────────────────────── */
.app {
  height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  max-width: 920px;
  margin: 0 auto;
  padding: 0 1rem;
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
}

/* ──────────────────────────────────────────────────────────────────────────
   4. Header
   ────────────────────────────────────────────────────────────────────────── */
header {
  padding: 1.1rem 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  line-height: 1;
}

.logo-sub {
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
}

/* ──────────────────────────────────────────────────────────────────────────
   5. Status pill
   ────────────────────────────────────────────────────────────────────────── */
.status-pill {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 2rem;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.status-pill.connected { color: var(--accent); border-color: var(--accent-glow); }
.status-pill.connected .status-dot { background: var(--accent); box-shadow: 0 0 6px var(--accent); }

.status-pill.error { color: var(--error); border-color: rgba(255,107,138,0.3); }
.status-pill.error .status-dot { background: var(--error); }

.status-pill.listening { color: var(--accent); border-color: var(--accent-glow); }
.status-pill.listening .status-dot {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse-dot 1s ease-in-out infinite;
}

.status-pill.editing { color: var(--warn); border-color: rgba(255, 212, 122, 0.3); }
.status-pill.editing .status-dot { background: var(--warn); box-shadow: 0 0 6px var(--warn); }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

/* ──────────────────────────────────────────────────────────────────────────
   6. Transcript area
   ────────────────────────────────────────────────────────────────────────── */
.transcript-wrap {
  position: relative;
  padding: 1.25rem 0 0.5rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.transcript-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
  -webkit-overflow-scrolling: touch;
  padding-right: 0.25rem;
}

.transcript-scroll::-webkit-scrollbar { width: 4px; }
.transcript-scroll::-webkit-scrollbar-track { background: transparent; }
.transcript-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.transcript {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 0.5rem;
}

.transcript-body {
  font-family: var(--font-read);
  font-weight: 400;
  font-size: 1.25rem;
  line-height: 1.55;
  letter-spacing: -0.005em;
  color: var(--text);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.segment { animation: fadeUp 0.3s ease forwards; }

.partial {
  color: var(--partial);
  opacity: 0.75;
  font-style: italic;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Edit-mode textarea */
.editor {
  width: 100%;
  min-height: 100%;
  background: var(--surface);
  border: 1px solid var(--warn);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  font-family: var(--font-read);
  font-weight: 400;
  font-size: 1.25rem;
  line-height: 1.55;
  letter-spacing: -0.005em;
  color: var(--text);
  resize: none;
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 212, 122, 0.08);
  transition: box-shadow 0.2s ease;
}
.editor:focus { box-shadow: 0 0 0 3px rgba(255, 212, 122, 0.16); }
.editor::selection { background: rgba(255, 212, 122, 0.3); }

/* ──────────────────────────────────────────────────────────────────────────
   7. Empty state
   ────────────────────────────────────────────────────────────────────────── */
.empty-state {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  pointer-events: none;
  transition: opacity 0.4s ease;
  padding: 2rem 1rem;
  text-align: center;
}

.empty-state.hidden { opacity: 0; }

.empty-icon {
  width: 56px;
  height: 56px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  background: var(--surface);
}

.empty-label {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.empty-hint {
  font-family: var(--font-read);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ──────────────────────────────────────────────────────────────────────────
   8. Audio visualizer
   ────────────────────────────────────────────────────────────────────────── */
.visualizer-wrap {
  height: 40px;
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 0.4rem 0;
  margin-top: 0.5rem;
  flex-shrink: 0;
}

.bar {
  flex: 1;
  max-width: 4px;
  background: var(--accent);
  border-radius: 2px;
  height: 3px;
  transition: height 0.08s ease;
  opacity: 0.5;
}

/* ──────────────────────────────────────────────────────────────────────────
   9. Footer
   ────────────────────────────────────────────────────────────────────────── */
footer {
  padding: 0.85rem 0 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-primary {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-actions {
  display: flex;
  gap: 0.5rem;
}

.record-label { flex: 1; min-width: 0; }

.record-label-main {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  text-transform: uppercase;
  line-height: 1.1;
}

.record-label-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-top: 0.2rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.char-count {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  flex-shrink: 0;
  text-align: right;
}

/* ──────────────────────────────────────────────────────────────────────────
   10. Buttons — record (mic)
   ────────────────────────────────────────────────────────────────────────── */
.btn-record {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  background: var(--accent-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.btn-record:hover { background: var(--accent-glow); box-shadow: 0 0 20px var(--accent-glow); }
.btn-record:active { transform: scale(0.96); }
.btn-record:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-record.recording {
  background: rgba(255, 107, 138, 0.12);
  border-color: var(--error);
  color: var(--error);
  animation: ring 2s ease infinite;
}

.btn-record.stopping {
  background: rgba(255, 212, 122, 0.12);
  border-color: var(--warn);
  color: var(--warn);
  animation: none;
}

.icon-mic, .icon-stop, .icon-spinner { position: absolute; transition: all 0.2s ease; }
.icon-stop, .icon-spinner { opacity: 0; transform: scale(0.7); }

.btn-record.recording .icon-mic { opacity: 0; transform: scale(0.7); }
.btn-record.recording .icon-stop { opacity: 1; transform: scale(1); }

.btn-record.stopping .icon-mic,
.btn-record.stopping .icon-stop { opacity: 0; transform: scale(0.7); }
.btn-record.stopping .icon-spinner { opacity: 1; transform: scale(1); animation: spin 0.9s linear infinite; }

@keyframes ring {
  0%   { box-shadow: 0 0 0 0   rgba(255,107,138,0.4); }
  70%  { box-shadow: 0 0 0 14px rgba(255,107,138,0); }
  100% { box-shadow: 0 0 0 0   rgba(255,107,138,0); }
}

@keyframes spin { to { transform: scale(1) rotate(360deg); } }

/* ──────────────────────────────────────────────────────────────────────────
   11. Buttons — secondary actions
   ────────────────────────────────────────────────────────────────────────── */
.btn-action {
  flex: 1;
  height: 42px;
  padding: 0 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-soft);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all 0.2s ease;
}

.btn-action:hover { border-color: var(--border-strong); color: var(--text); background: var(--surface); }
.btn-action:active { transform: scale(0.98); }
.btn-action:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-edit:hover,
.btn-edit.active {
  border-color: var(--warn);
  color: var(--warn);
  background: var(--warn-dim);
}

.btn-copy:hover,
.btn-copy.copied {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.btn-clear:hover {
  border-color: var(--error);
  color: var(--error);
  background: rgba(255,107,138,0.06);
}

/* ──────────────────────────────────────────────────────────────────────────
   12. Toast
   ────────────────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(1.25rem + var(--safe-bottom));
  transform: translate(-50%, 100px);
  background: var(--surface);
  border: 1px solid rgba(255,107,138,0.4);
  color: var(--error);
  padding: 0.7rem 1.1rem;
  border-radius: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 100;
  max-width: calc(100% - 2rem);
  text-align: center;
}

.toast.show { transform: translate(-50%, 0); opacity: 1; }
.toast.info { border-color: var(--accent-glow); color: var(--accent); }

/* ──────────────────────────────────────────────────────────────────────────
   13. Responsive — Mobile (≤ 640px)
   ────────────────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .app { padding: 0 0.85rem; }

  header { padding: 0.85rem 0 0.75rem; gap: 0.6rem; }
  .logo { font-size: 0.9rem; letter-spacing: 0.16em; }
  .logo-sub { font-size: 0.58rem; }
  .status-pill { padding: 0.35rem 0.6rem; font-size: 0.55rem; }

  .transcript-wrap { padding: 1rem 0 0.25rem; }
  .transcript-body { font-size: 1.1rem; line-height: 1.55; }
  .editor { font-size: 1.1rem; padding: 0.85rem 0.95rem; }

  .visualizer-wrap { height: 32px; gap: 2px; }
  .bar { max-width: 3px; }

  footer { padding: 0.75rem 0 0.85rem; gap: 0.6rem; }
  .footer-primary { gap: 0.7rem; }
  .btn-record { width: 52px; height: 52px; }
  .record-label-main { font-size: 0.78rem; }
  .record-label-sub { font-size: 0.6rem; }
  .char-count { font-size: 0.6rem; }

  .btn-action { height: 44px; font-size: 0.64rem; gap: 0.3rem; }
}

/* ──────────────────────────────────────────────────────────────────────────
   14. Responsive — Very small phones (≤ 380px)
   ────────────────────────────────────────────────────────────────────────── */
@media (max-width: 380px) {
  .logo-sub { display: none; }
  .transcript-body, .editor { font-size: 1.02rem; }
  .btn-action { padding: 0 0.5rem; }
  .char-count { display: none; }
}