:root {
  color-scheme: dark;
  --bg: #141414;
  --panel: #1d1d1d;
  --line: #333;
  --fg: #d6d6d6;
  --dim: #888;
  --accent: #ff6a00;
}

* { box-sizing: border-box; }

body {
  font-family: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  background: var(--bg);
  color: var(--fg);
  margin: 0 auto;
  padding: 2rem;
  max-width: 1280px;
  line-height: 1.4;
}

#main {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
}
#main > fieldset { margin: 0; }
#main > fieldset:nth-of-type(1) { grid-column: 1; grid-row: 1; }
#main > fieldset:nth-of-type(2) { grid-column: 1 / -1; }
#main > fieldset:nth-of-type(3) { grid-column: 1 / -1; }
#main > fieldset:nth-of-type(4) { grid-column: 2; grid-row: 1; }

h1 {
  font-size: 2.2rem;
  margin: 0;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.subtitle {
  opacity: 0.55;
  margin: 0.25rem 0 0.4rem;
  font-size: 0.9rem;
}

.support {
  margin: 0 0 1.5rem;
  font-size: 0.9rem;
  color: var(--dim);
}
.support a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.support a:hover {
  border-bottom-color: var(--accent);
}
.support .support-sep {
  margin: 0 0.7rem;
  color: var(--line);
}
.support .support-label {
  margin-right: 0.35rem;
  font-style: italic;
  color: var(--dim);
}

.announce {
  margin: 0 0 1rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--accent);
  border-radius: 3px;
  background: rgba(255, 106, 0, 0.06);
  font-size: 0.9rem;
  line-height: 1.7;
}
.announce-label {
  display: inline-block;
  background: var(--accent);
  color: #000;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  font-weight: 700;
  vertical-align: middle;
  margin-right: 0.55rem;
}
.announce-body {
  color: var(--fg);
}
.announce-cta {
  display: inline-block;
  background: var(--accent);
  color: #000;
  text-decoration: none;
  padding: 0.15rem 0.65rem;
  border-radius: 2px;
  font-weight: 600;
  border: 1px solid var(--accent);
  vertical-align: middle;
  margin-left: 0.55rem;
  font-size: 0.85rem;
  white-space: nowrap;
}
.announce-cta:hover {
  background: #ffb070;
  color: #000;
}

.cookie-consent {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  z-index: 9998;
  width: 22rem;
  max-width: calc(100vw - 2rem);
  padding: 0.75rem 1rem 0.85rem;
  background: var(--panel);
  border: 1px solid var(--accent);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
  font-size: 0.85rem;
}
.cookie-consent[hidden] { display: none; }
.cookie-consent .cookie-consent-title {
  margin: 0 0 0.4rem;
  color: var(--accent);
  font-size: 0.72rem;
  text-transform: lowercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}
.cookie-consent .cookie-consent-body {
  margin: 0 0 0.7rem;
  color: var(--dim);
  line-height: 1.55;
  font-size: 0.85rem;
}
.cookie-consent .cookie-consent-body a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.cookie-consent .cookie-consent-body a:hover {
  border-bottom-color: var(--accent);
}
.cookie-consent .cookie-consent-actions {
  display: flex;
  gap: 0.45rem;
  justify-content: flex-end;
  align-items: center;
}
.cookie-consent .cookie-consent-actions button {
  font-size: 0.8rem;
  padding: 0.3rem 0.85rem;
  margin: 0;
}
.cookie-consent .cookie-consent-actions button.primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 600;
}
.cookie-consent .cookie-consent-actions button.primary:hover {
  background: #ffb070;
  color: #000;
  border-color: #ffb070;
}

.changelog-dialog {
  background: var(--panel);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0;
  max-width: 36rem;
  width: 90vw;
  max-height: 80vh;
  font-size: 0.9rem;
  font-family: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
}
.changelog-dialog::backdrop { background: rgba(0, 0, 0, 0.6); }
.changelog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.85rem;
  border-bottom: 1px solid var(--line);
  background: #181818;
  position: sticky;
  top: 0;
}
.changelog-close { font-size: 0.75rem; padding: 0.2rem 0.55rem; }
.changelog-body {
  padding: 0.4rem 1rem 1rem;
  overflow-y: auto;
  max-height: calc(80vh - 3rem);
}
.changelog-body h3 {
  font-size: 0.95rem;
  margin: 1rem 0 0.4rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.changelog-body h3:first-child { margin-top: 0.4rem; }
.changelog-body ul { margin: 0; padding-left: 1.4rem; }
.changelog-body li { margin: 0.2rem 0; line-height: 1.5; }
.changelog-body code {
  background: #0c0c0c;
  border: 1px solid var(--line);
  padding: 0.05rem 0.3rem;
  border-radius: 2px;
  font-size: 0.85rem;
  color: var(--fg);
}

.thank-you {
  margin: 0 0 1rem;
  padding: 0.55rem 0.85rem;
  border: 1px dashed var(--line);
  border-radius: 3px;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--dim);
}
.thank-you details + details {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--line);
}
.thank-you summary {
  cursor: pointer;
}
.thank-you details > p {
  margin: 0.4rem 0 0;
}
.thank-you-ja {
  font-family: ui-sans-serif, "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
}
.thank-you strong {
  color: var(--fg);
  font-weight: 600;
}
.thank-you a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.thank-you a:hover {
  border-bottom-color: var(--accent);
}

@media (max-width: 720px) {
  .thank-you {
    font-size: 0.8rem;
    line-height: 1.55;
    padding: 0.45rem 0.7rem;
  }
  .thank-you details:not([open]) summary {
    opacity: 0.85;
  }
}

.outro {
  margin: 1.75rem 0 0.5rem;
  font-size: 0.85rem;
  color: var(--dim);
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}
.outro-text { max-width: 56em; }
.outro p {
  margin: 0.4rem 0;
}
.outro a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.outro a:hover {
  border-bottom-color: var(--accent);
}
.outro .aside {
  opacity: 0.75;
  font-style: italic;
}
.outro .update {
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
  margin: 0.25rem 0 0.85rem;
}
.outro .update strong {
  color: var(--accent);
  letter-spacing: 0.04em;
}

button {
  background: #262626;
  color: var(--fg);
  border: 1px solid var(--line);
  padding: 0.4rem 0.8rem;
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  border-radius: 2px;
}
button:hover { border-color: var(--accent); color: #fff; }
button:active { background: #1a1a1a; }

button.pill {
  background: #fff;
  color: #000;
  border-color: #fff;
  border-radius: 999px;
  font-weight: 700;
  padding: 0.5rem 1.4rem;
  letter-spacing: 0.04em;
}
button.pill:hover { background: #f0f0f0; color: #000; border-color: #fff; }
button.pill:active { background: #d8d8d8; }

button.primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-size: 1rem;
  padding: 0.7rem 1.4rem;
  margin: 0.5rem 0 1.5rem;
  font-weight: 600;
}

fieldset {
  border: 1px solid var(--line);
  background: var(--panel);
  margin: 0.75rem 0;
  padding: 0.9rem 1rem 1rem;
  border-radius: 3px;
}

legend {
  padding: 0 0.5rem;
  color: var(--dim);
  font-size: 0.8rem;
  text-transform: lowercase;
  letter-spacing: 0.05em;
}

input[type=text],
textarea#seq {
  background: #0c0c0c;
  color: var(--fg);
  border: 1px solid var(--line);
  padding: 0.6rem 0.8rem;
  font: inherit;
  width: 100%;
  min-height: 12em;
  margin: 0 0 0.6rem;
  border-radius: 2px;
  letter-spacing: 0.05em;
  resize: vertical;
  display: block;
  font-family: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  font-size: 0.95rem;
  line-height: 1.55;
}

input[type=range] { vertical-align: middle; width: 14rem; }

.state-mirror {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.6rem;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #0c0c0c;
  font-size: 0.8rem;
  min-height: 1.9rem;
}

.playback-display {
  margin: 0 0 0.6rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #0c0c0c;
  font-family: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.55;
  letter-spacing: 0.05em;
  color: var(--dim);
  min-height: 1.9em;
  max-height: 8em;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.playback-display:empty::before {
  content: '(press speak to play; phrases will highlight as audio runs)';
  font-style: italic;
  opacity: 0.55;
}
.playback-display .active-pre {
  background: rgba(255, 106, 0, 0.18);
  color: var(--fg);
  border-radius: 2px 0 0 2px;
  padding: 1px 0;
}
.playback-display .active {
  background: var(--accent);
  color: #000;
  border-radius: 2px;
  padding: 1px 2px;
  margin: -1px -2px;
}
.playback-display .active-pre + .active {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  margin-left: 0;
}
.state-mirror .state-display {
  color: var(--dim);
  font-family: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1 1 auto;
  min-width: 0;
}
.state-mirror .state-display.empty {
  font-style: italic;
  opacity: 0.6;
}
.state-mirror button {
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  flex: 0 0 auto;
}
.state-mirror button:disabled {
  opacity: 0.4;
  cursor: default;
}
.state-mirror button:disabled:hover {
  border-color: var(--line);
  color: var(--fg);
}

input#filename, input#video-title {
  width: auto;
  min-width: 10rem;
  flex: 0 1 14rem;
  min-height: 0;
  padding: 0.35rem 0.55rem;
  margin: 0;
  font-size: 0.85rem;
}

.export-options {
  margin-top: 0.4rem;
  font-size: 0.8rem;
}
.export-options label {
  margin: 0;
  font-size: 0.78rem;
}
.export-options .checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
}
.export-options .checkbox-label input[type=checkbox] {
  margin: 0;
  cursor: pointer;
}

button#render-video { min-width: 6.6rem; text-align: center; }

label { display: inline-block; margin-right: 0.75rem; color: var(--dim); }

.sliders {
  display: grid;
  grid-template-columns: max-content minmax(8rem, 1fr) max-content;
  gap: 0.4rem 0.8rem;
  align-items: center;
  font-size: 0.9rem;
}
.sliders label { margin: 0; }
.sliders input[type=range] { width: 100%; }
.sliders span { color: var(--fg); font-variant-numeric: tabular-nums; }

.row { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.controls-row { margin-top: 0.5rem; }

.bank-select-row {
  margin-bottom: 0.6rem;
  font-size: 0.85rem;
}
.bank-select-row label {
  margin-right: 0.4rem;
}
#bank-select {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0.2rem 0.4rem;
  font: inherit;
  font-size: 0.85rem;
}
#bank-select:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}
.bank-hint {
  color: var(--dim);
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
}
#phonemes button {
  min-width: 3.2em;
  font-family: ui-monospace, monospace;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.05rem;
  padding: 0.35rem 0.6rem;
  line-height: 1.15;
}
#phonemes .phoneme-code { font-weight: 500; }
#phonemes .phoneme-example {
  font-size: 0.7rem;
  color: var(--dim);
  font-family: ui-sans-serif, system-ui, sans-serif;
  letter-spacing: 0;
}
#phonemes .phoneme-example .hi {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}
#phonemes button:hover .phoneme-example { color: var(--fg); }
#phonemes button:hover .phoneme-example .hi { color: #fff; }

.status {
  color: var(--dim);
  font-size: 0.85rem;
  margin-left: 0.5rem;
}
.status.warn { color: var(--accent); }

details.syntax {
  margin-top: 0.75rem;
  font-size: 0.85rem;
}
details.syntax summary {
  cursor: pointer;
  color: var(--dim);
  user-select: none;
  padding: 0.2rem 0;
}
details.syntax summary:hover { color: var(--fg); }
details.syntax pre {
  background: #0c0c0c;
  border: 1px solid var(--line);
  padding: 0.6rem 0.8rem;
  margin-top: 0.4rem;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--dim);
}

.sponsor-strip {
  margin: 0.4rem 0 1rem;
  padding: 0.5rem 0.75rem;
  border: 1px dashed var(--line);
  border-radius: 3px;
  font-size: 0.85rem;
  color: var(--dim);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
}
.sponsor-strip .label {
  text-transform: lowercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-size: 0.72rem;
  border: 1px solid var(--accent);
  padding: 0.05rem 0.45rem;
  border-radius: 2px;
}
.sponsor-strip a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
}
.sponsor-strip a:hover { color: var(--accent); }
.sponsor-strip[data-state="sold"] { border-style: solid; }
.sponsor-strip[data-state="sold"] img {
  max-height: 36px;
  max-width: 180px;
  vertical-align: middle;
  display: block;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.title-block { flex: 0 1 auto; min-width: 0; }
.page-header .sponsor-strip {
  margin: 0;
  max-width: 22rem;
  flex: 0 1 auto;
  align-self: center;
}

.sponsor-pitch {
  margin: 1rem 0 0.5rem;
  padding: 0.75rem 1rem;
  border: 1px dashed var(--line);
  border-radius: 3px;
  font-size: 0.85rem;
  color: var(--dim);
}
.sponsor-pitch p { margin: 0.35rem 0; }
.sponsor-pitch strong { color: var(--fg); }
.sponsor-pitch .price { color: var(--fg); font-weight: 600; }
.sponsor-pitch a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.sponsor-pitch a:hover { border-bottom-color: var(--accent); }

@media (max-width: 880px) {
  #main { display: block; }
  #main > fieldset { margin: 0.75rem 0; }

  .page-header .sponsor-strip { display: none; }

  .outro { display: block; }
  .outro .sponsor-pitch { margin-top: 1rem; }
}