:root {
  --bg: #0e1117;
  --panel: #161b22;
  --panel-2: #1f2630;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-2: #79c0ff;
  --border: #30363d;
  --good: #3fb950;
  --bad: #f85149;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --radius: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a { color: var(--accent); }
a:hover { color: var(--accent-2); }

header {
  padding: 40px 24px 16px;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}
header h1 .dim { color: var(--muted); font-weight: 500; }
header h1 .accent { color: var(--accent); }
header .tag { color: var(--muted); margin: 6px 0 0; font-size: 0.95rem; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.picker {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.char {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  transition: border-color 120ms ease, transform 120ms ease, background 120ms ease;
  font: inherit;
}
.char:hover { border-color: var(--accent); transform: translateY(-1px); }
.char:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.char.active {
  border-color: var(--accent);
  background: var(--panel-2);
  box-shadow: var(--shadow);
}
.char .icon { font-size: 1.6rem; display: block; margin-bottom: 4px; }
.char .name { font-weight: 600; font-size: 1.05rem; }
.char .tag { color: var(--muted); font-size: 0.85rem; margin-top: 2px; }

.compose {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
textarea {
  width: 100%;
  resize: vertical;
  min-height: 84px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  font-size: 1rem;
  line-height: 1.4;
}
textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }

.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.counter { color: var(--muted); font-size: 0.85rem; }

button.primary {
  background: var(--accent);
  color: #0b1220;
  border: 0;
  border-radius: 8px;
  padding: 9px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 120ms ease, transform 120ms ease;
}
button.primary:hover:not(:disabled) { background: var(--accent-2); }
button.primary:active:not(:disabled) { transform: translateY(1px); }
button.primary:disabled { opacity: 0.55; cursor: progress; }

.result {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.result-head { display: flex; justify-content: space-between; align-items: center; }
.result-label { font-weight: 600; }
.download { font-size: 0.9rem; }

audio { width: 100%; }

.error {
  color: var(--bad);
  background: rgba(248, 81, 73, 0.08);
  border: 1px solid rgba(248, 81, 73, 0.3);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 0;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 0 24px 32px;
}
footer a { color: var(--muted); text-decoration: underline; }
footer a:hover { color: var(--text); }
footer .dim { color: #6e7681; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

@media (max-width: 540px) {
  .picker { grid-template-columns: 1fr; }
  header { padding-top: 24px; }
}