:root {
  --bg: #faf9f7;
  --surface: #ffffff;
  --border: #e0ded9;
  --text: #1c1c1a;
  --text-muted: #66645e;
  --accent: #1d4ed8;
  --accent-text: #ffffff;
  --danger: #b91c1c;
  --focus-ring: #1d4ed8;
  --radius: 6px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171614;
    --surface: #211f1c;
    --border: #38352f;
    --text: #f2f0ec;
    --text-muted: #a3a096;
    --accent: #5b8def;
    --accent-text: #0c1220;
    --danger: #f0938c;
    --focus-ring: #5b8def;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-tap-highlight-color: transparent;
  padding-bottom: env(safe-area-inset-bottom);
}

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

.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 20px max(24px, env(safe-area-inset-right)) 20px max(24px, env(safe-area-inset-left));
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--text);
}

.site-nav {
  display: flex;
  gap: 20px;
}

.site-nav a {
  display: inline-block;
  padding: 12px 2px;
  margin: -12px -2px;
  font-size: 14px;
  text-decoration: none;
  color: var(--text-muted);
  touch-action: manipulation;
}

.site-nav a:hover {
  color: var(--text);
}

main {
  flex: 1;
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 20px max(24px, env(safe-area-inset-right)) 64px max(24px, env(safe-area-inset-left));
}

.hero {
  margin-bottom: 32px;
}

.hero h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.hero p {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0;
  max-width: 60ch;
}

#unsupported-banner {
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
  margin-bottom: 24px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.transport-group {
  margin-bottom: 20px;
}

.text-area-wrap {
  position: relative;
}

#text-input {
  width: 100%;
  min-height: 220px;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 16px;
  padding: 14px;
}

#text-input:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

#text-display {
  min-height: 220px;
  max-height: 420px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 14px;
  font-size: 16px;
}

#text-display .word {
  display: inline-block;
  padding: 4px 2px;
  margin: 1px 0;
  cursor: pointer;
  border-radius: 3px;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

#text-display .word:hover {
  background: var(--border);
}

#text-display .word.active {
  background: var(--accent);
  color: var(--accent-text);
}

#text-display .word.active:hover {
  background: var(--accent);
}

@media (max-width: 600px) {
  #text-input,
  #text-display {
    line-height: 1.1;
  }
}

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.file-row {
  display: flex;
  gap: 8px;
}

.controls {
  margin-top: 24px;
  display: grid;
  gap: 20px;
}

.control-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
}

.speed-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

#speed-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(to right,
    var(--accent) var(--fill, 0%),
    var(--border) var(--fill, 0%));
  touch-action: manipulation;
}

#speed-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}

#speed-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}

#speed-value {
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 600;
  min-width: 48px;
  text-align: right;
}

.speed-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.hint {
  font-size: 13px;
  color: var(--text-muted);
  margin: 10px 0 0;
}

.speed-preset {
  font-size: 13px;
}

.speed-preset.active {
  border-color: var(--accent);
  color: var(--accent);
}

#voice-select {
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 16px;
}

.transport {
  display: flex;
  align-items: center;
  gap: 10px;
}

.progress-track {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
}

button {
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 9px 16px;
  min-height: 44px;
  cursor: pointer;
  touch-action: manipulation;
}

button:hover:not(:disabled) {
  border-color: var(--text-muted);
}

button:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}

button.primary:hover:not(:disabled) {
  opacity: 0.9;
}

.icon {
  width: 15px;
  height: 15px;
  vertical-align: -2px;
  margin-right: 6px;
}

.site-footer {
  border-top: 1px solid var(--border);
}

.site-footer-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 20px max(24px, env(safe-area-inset-right)) 20px max(24px, env(safe-area-inset-left));
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

.site-footer-inner nav {
  display: flex;
  gap: 16px;
}

.site-footer-inner a {
  display: inline-block;
  padding: 12px 2px;
  margin: -12px -2px;
  color: var(--text-muted);
  text-decoration: none;
  touch-action: manipulation;
}

.site-footer-inner a:hover {
  color: var(--text);
}

.legal main {
  max-width: 680px;
}

.legal h1 {
  font-size: 24px;
  margin-bottom: 4px;
}

.legal .updated {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.legal h2 {
  font-size: 16px;
  margin-top: 32px;
}

.legal p, .legal li {
  font-size: 15px;
  color: var(--text);
}

.legal ul {
  padding-left: 20px;
}

@media (max-width: 560px) {
  .site-footer-inner {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }
}