:root {
  color-scheme: dark;
  --bg: #12141a;
  --ink: #e8eaef;
  --muted: #9aa3b2;
  --paper: #1b1f2a;
  --line: #2c3344;
  --accent: #f59e0b;
  --accent-ink: #1a1305;
  --warn-bg: #422006;
  --error-bg: #3f1d1d;
  --now: #241c10;
  --now-line: #854d0e;
  --word: #fbbf24;
  --word-ink: #1a1305;
  --track: #2c3344;
  --thumb: #f59e0b;
  --radius: 14px;
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.35);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

* {
  box-sizing: border-box;
}

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

html,
body {
  background: var(--bg);
}

body {
  margin: 0;
  background:
    radial-gradient(900px 480px at 8% -10%, #f59e0b22, transparent),
    radial-gradient(700px 400px at 100% 0%, #3b82f618, transparent),
    var(--bg);
  color: var(--ink);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

.shell {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.25rem 1rem 1.5rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
}

@media (min-width: 640px) {
  .shell {
    padding: 2.5rem 1.25rem 2rem;
  }
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  letter-spacing: -0.03em;
  margin: 0.15rem 0 0.5rem;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-family: ui-sans-serif, system-ui, sans-serif;
  color: var(--accent);
}

.lede {
  margin: 0 0 1.25rem;
  color: var(--muted);
  line-height: 1.5;
  font-size: 0.98rem;
}

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0.85rem;
}

@media (min-width: 640px) {
  .panel {
    padding: 1rem;
  }
}

textarea {
  width: 100%;
  resize: vertical;
  min-height: 160px;
  max-height: 60dvh;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.85rem;
  font: inherit;
  font-size: 16px;
  line-height: 1.55;
  background: #12141a;
  color: var(--ink);
}

@media (min-width: 640px) {
  textarea {
    min-height: 220px;
    font-size: 1.05rem;
    padding: 1rem;
  }
}

textarea:focus,
select:focus,
input:focus,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.reader {
  margin-top: 0.85rem;
  max-height: min(45dvh, 420px);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem 0.85rem;
  background: #12141a;
  line-height: 1.7;
  font-size: 16px;
  overflow-wrap: anywhere;
}

.reader-chunk {
  margin: 0 0 0.75rem;
}

.reader-chunk:last-child {
  margin-bottom: 0;
}

.reader-chunk.is-current {
  color: var(--ink);
}

.word.is-active {
  background: var(--word);
  color: var(--word-ink);
  border-radius: 4px;
  box-shadow: 0 0 0 2px var(--word);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
}

.buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  width: 100%;
}

@media (min-width: 640px) {
  .buttons {
    display: flex;
    flex-wrap: wrap;
    width: auto;
  }
}

button {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #252b38;
  color: var(--ink);
  padding: 0.7rem 1rem;
  min-height: 44px;
  cursor: pointer;
  touch-action: manipulation;
}

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

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

button.ghost {
  background: transparent;
}

.progress {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.meta {
  width: 100%;
  text-align: right;
}

@media (min-width: 640px) {
  .meta {
    width: auto;
  }
}

.settings {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.85rem;
}

@media (min-width: 640px) {
  .settings {
    grid-template-columns: 1.2fr 1.4fr 1.2fr;
    align-items: end;
  }
}

.settings label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--muted);
}

.row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: var(--track);
  outline: none;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 999px;
  background: var(--track);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  margin-top: -7px;
  border-radius: 50%;
  background: var(--thumb);
  border: 2px solid #1a1305;
  cursor: pointer;
}

input[type="range"]::-moz-range-track {
  height: 8px;
  border-radius: 999px;
  background: var(--track);
}

input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--thumb);
  border: 2px solid #1a1305;
  cursor: pointer;
}

select {
  width: 100%;
  padding: 0.65rem 0.6rem;
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #12141a;
  color: var(--ink);
  font: inherit;
  font-size: 16px;
}

.banner {
  font-family: ui-sans-serif, system-ui, sans-serif;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  margin: 0 0 1rem;
}

.banner.warn {
  background: var(--warn-bg);
}

.banner.error {
  background: var(--error-bg);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.site-footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 0.5rem 1rem 1.5rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
  padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

.site-footer p {
  margin: 0;
}

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

.site-footer a:hover,
.site-footer a:focus-visible {
  text-decoration: underline;
}