:root {
  --bg:        #0e1116;
  --fg:        #e8eaed;
  --muted:     #8b949e;
  --accent:    #4f8cff;
  --accent-d:  #336bd6;
  --panel:     #1a1f29;
  --border:    #232936;
  --error:     #ff6b6b;
  --ok:        #4fd673;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

header h1 {
  margin: 0 0 .5rem;
  font-size: 1.6rem;
  letter-spacing: -.01em;
}

header .sub {
  color: var(--muted);
  margin: 0 0 1.75rem;
  font-size: .95rem;
}

#status-section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.voice-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: .85rem;
}

.voice-row label {
  margin: 0;
  flex: 0 0 auto;
}

#voice-select {
  flex: 1 1 auto;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .5rem .6rem;
  font: inherit;
  font-size: .9rem;
  cursor: pointer;
}
#voice-select:focus  { outline: none; border-color: var(--accent); }
#voice-select:disabled { opacity: .5; cursor: progress; }

.status {
  font-variant-numeric: tabular-nums;
  font-size: .95rem;
}

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

progress {
  width: 100%;
  margin-top: .75rem;
  height: 6px;
  appearance: none;
}
progress::-webkit-progress-bar  { background: var(--border); border-radius: 3px; }
progress::-webkit-progress-value { background: var(--accent);  border-radius: 3px; }
progress::-moz-progress-bar      { background: var(--accent); }

#synth-section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem 1.25rem;
}

label {
  display: block;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  margin-bottom: .35rem;
}

textarea {
  width: 100%;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .75rem;
  font: inherit;
  resize: vertical;
  min-height: 6rem;
}

textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.controls {
  display: flex;
  gap: .5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

button {
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 6px;
  padding: .65rem 1.25rem;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s;
}
button:hover:not(:disabled)  { background: var(--accent-d); }
button:disabled              { opacity: .4; cursor: not-allowed; }
#stop-btn, #save-btn         { background: var(--border); color: var(--fg); }
#stop-btn:hover:not(:disabled), #save-btn:hover:not(:disabled) {
  background: #2d3548;
}

.meta {
  display: flex;
  gap: 1.25rem;
  margin-top: 1rem;
  font-size: .85rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  flex-wrap: wrap;
}

footer {
  margin-top: 2rem;
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.6;
}