/* Profilescape website. Dark first, violet → cyan, glassy panels. No frameworks. */

:root {
  color-scheme: dark;
  --bg: #0b0d14;
  --glow-a: rgba(139, 124, 255, 0.2);
  --glow-b: rgba(62, 198, 224, 0.12);
  --surface: rgba(19, 23, 34, 0.72);
  --surface-2: rgba(29, 34, 49, 0.72);
  --surface-solid: #131722;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #e6e8f0;
  --muted: #a3aabd;
  --accent-a: #8b7cff;
  --accent-b: #3ec6e0;
  --grad: linear-gradient(100deg, #a194ff 0%, #6fb6ff 45%, #4fd3ea 100%);
  --link: #b4abff;
  --focus: #5fd4ea;
  --ok: #5bd68a;
  --danger: #ff8f8f;
  --on-accent: #0b0d14;
  --code-bg: rgba(7, 9, 14, 0.66);
  --tk-k: #a5b8ff;
  --tk-s: #c3e88d;
  --tk-c: #8a93aa;
  --tk-e: #f2bd72;
  --tk-v: #e6e8f0;
  --pv-dark: #0d1117;
  --pv-light: #ffffff;
  --shadow: 0 24px 60px -28px rgba(0, 0, 0, 0.75);
  --radius: 20px;
  --header-h: 64px;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, 'JetBrains Mono', 'Cascadia Code', Consolas, Menlo, monospace;
}

:root[data-theme='light'] {
  color-scheme: light;
  --bg: #f7f7fc;
  --glow-a: rgba(91, 75, 255, 0.12);
  --glow-b: rgba(14, 157, 184, 0.1);
  --surface: rgba(255, 255, 255, 0.78);
  --surface-2: rgba(241, 242, 249, 0.9);
  --surface-solid: #ffffff;
  --border: rgba(15, 23, 42, 0.1);
  --border-strong: rgba(15, 23, 42, 0.2);
  --text: #0f172a;
  --muted: #4a5368;
  --accent-a: #5b4bff;
  --accent-b: #0e9db8;
  --grad: linear-gradient(100deg, #5b4bff 0%, #3a5fd6 50%, #08768b 100%);
  --link: #4636e6;
  --focus: #5b4bff;
  --ok: #1a7f37;
  --danger: #c62828;
  --code-bg: #f3f4fa;
  --tk-k: #3446c9;
  --tk-s: #3b7310;
  --tk-c: #636b80;
  --tk-e: #9a4e0c;
  --tk-v: #0f172a;
  --shadow: 0 24px 50px -30px rgba(15, 23, 42, 0.35);
}

/* Without JavaScript the inline script cannot run, so follow the system setting. */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    color-scheme: light;
    --bg: #f7f7fc;
    --glow-a: rgba(91, 75, 255, 0.12);
    --glow-b: rgba(14, 157, 184, 0.1);
    --surface: rgba(255, 255, 255, 0.78);
    --surface-2: rgba(241, 242, 249, 0.9);
    --surface-solid: #ffffff;
    --border: rgba(15, 23, 42, 0.1);
    --border-strong: rgba(15, 23, 42, 0.2);
    --text: #0f172a;
    --muted: #4a5368;
    --accent-a: #5b4bff;
    --accent-b: #0e9db8;
    --grad: linear-gradient(100deg, #5b4bff 0%, #3a5fd6 50%, #08768b 100%);
    --link: #4636e6;
    --focus: #5b4bff;
    --ok: #1a7f37;
    --danger: #c62828;
    --code-bg: #f3f4fa;
    --tk-k: #3446c9;
    --tk-s: #3b7310;
    --tk-c: #636b80;
    --tk-e: #9a4e0c;
    --tk-v: #0f172a;
    --shadow: 0 24px 50px -30px rgba(15, 23, 42, 0.35);
  }
}

/* ------------------------------------------------------------------ base */

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

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

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(56rem 36rem at 88% -8%, var(--glow-a), transparent 62%),
    radial-gradient(44rem 32rem at -12% 18%, var(--glow-b), transparent 60%);
}

img,
svg {
  max-width: 100%;
}

a {
  color: var(--link);
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

a:hover {
  text-decoration-thickness: 2px;
}

h1,
h2,
h3,
h4 {
  line-height: 1.15;
  margin: 0;
}

p {
  margin: 0 0 12px;
}

code,
pre {
  font-variant-ligatures: none;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  padding: 0.1em 0.38em;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  overflow-wrap: anywhere;
}

pre code {
  padding: 0;
  border: 0;
  background: none;
  font-size: inherit;
  overflow-wrap: normal;
}

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

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

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.muted {
  color: var(--muted);
}

.wrap {
  width: min(1240px, 100% - 32px);
  margin-inline: auto;
}

@media (min-width: 720px) {
  .wrap {
    width: min(1240px, 100% - 56px);
  }
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--surface-solid);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--shadow);
}

.skip-link:focus {
  top: 12px;
}

.glass {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
}

.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ------------------------------------------------------------------ buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 12px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 15px;
  font-weight: 650;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition:
    transform 0.15s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(120deg, #a194ff, #4fd3ea);
  color: var(--on-accent);
  box-shadow: 0 12px 30px -12px rgba(139, 124, 255, 0.8);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 36px -12px rgba(139, 124, 255, 0.9);
}

.btn-secondary {
  background: var(--surface-2);
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-secondary:hover,
.btn-ghost:hover {
  background: var(--surface-solid);
  border-color: var(--accent-a);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-sm {
  min-height: 36px;
  padding: 0 12px;
  font-size: 13.5px;
  border-radius: 10px;
}

.btn.is-done {
  border-color: var(--ok);
  color: var(--ok);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
}

.icon-btn:hover:not(:disabled) {
  background: var(--surface-solid);
  border-color: var(--border-strong);
}

.icon-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

/* ------------------------------------------------------------------ header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 750;
  font-size: 17px;
  letter-spacing: -0.01em;
  text-decoration: none;
  margin-right: auto;
}

.brand img {
  border-radius: 8px;
}

.nav {
  display: none;
  gap: 4px;
}

.nav a {
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 550;
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
  background: var(--surface-2);
}

.nav-wide {
  display: none;
}

@media (min-width: 440px) {
  .nav {
    display: flex;
  }
}

@media (min-width: 760px) {
  .nav-wide {
    display: inline;
  }
}

.header-actions {
  display: flex;
  gap: 6px;
}

.icon-link {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  padding: 0;
}

.icon-link:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
}

.theme-toggle .i-sun {
  display: none;
}

.theme-toggle[data-mode='light'] .i-sun {
  display: block;
}

.theme-toggle[data-mode='light'] .i-moon {
  display: none;
}

/* ------------------------------------------------------------------ hero */

.hero {
  padding: 48px 0 24px;
  scroll-margin-top: var(--header-h);
}

.hero-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 550;
  margin-bottom: 20px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 60%, transparent);
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 8px transparent;
  }
  100% {
    box-shadow: 0 0 0 0 transparent;
  }
}

h1 {
  font-size: clamp(38px, 7vw, 66px);
  line-height: 1.03;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin-bottom: 20px;
}

h1 .grad {
  display: inline;
  padding-bottom: 0.06em;
}

.lede {
  font-size: clamp(16.5px, 1.8vw, 19px);
  color: var(--muted);
  max-width: 60ch;
  margin-bottom: 28px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 14.5px;
}

.facts strong {
  color: var(--text);
  font-weight: 700;
}

.hero-visual {
  position: relative;
  min-width: 0;
}

.hero-glow {
  position: absolute;
  inset: 4% -4% 10%;
  z-index: -1;
  background:
    radial-gradient(closest-side at 30% 45%, rgba(139, 124, 255, 0.45), transparent),
    radial-gradient(closest-side at 75% 60%, rgba(62, 198, 224, 0.32), transparent);
  filter: blur(36px);
  opacity: 0.85;
}

.hero-frame {
  margin: 0;
  padding: 8px;
  border-radius: 26px;
}

.hero-card {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 658;
  border-radius: 19px;
}

html:not(.js) #hero-card,
html:not(.js) .hero-themes {
  display: none;
}

#hero-card:not([src]) {
  visibility: hidden;
}

.hero-themes {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--muted);
}

.hero-swatches {
  display: flex;
  gap: 8px;
}

.hero-swatch {
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid var(--p);
  background: linear-gradient(135deg, var(--a), var(--b));
  cursor: pointer;
  transition: transform 0.15s ease;
}

.hero-swatch:hover {
  transform: scale(1.08);
}

.hero-swatch[aria-pressed='true'] {
  box-shadow:
    0 0 0 2px var(--bg),
    0 0 0 4px var(--text);
}

@media (min-width: 1000px) {
  .hero {
    padding: 72px 0 40px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 56px;
  }

  .hero-frame {
    transform: perspective(1600px) rotateY(-7deg) rotateX(3deg);
    transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
  }

  .hero-frame:hover {
    transform: perspective(1600px) rotateY(0deg) rotateX(0deg);
  }
}

/* ------------------------------------------------------------------ sections */

.section {
  padding: 64px 0;
  scroll-margin-top: calc(var(--header-h) - 24px);
}

.section:focus,
[tabindex='-1']:focus {
  outline: none;
}

.section-head {
  max-width: 740px;
  margin-bottom: 28px;
}

.kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}

h2 {
  font-size: clamp(28px, 4.4vw, 42px);
  letter-spacing: -0.025em;
  font-weight: 780;
  margin-bottom: 12px;
}

.notice {
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
}

.hint {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0 0 10px;
}

/* ------------------------------------------------------------------ playground */

.pg {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pg-main {
  order: -1;
  min-width: 0;
}

.pg-controls {
  padding: 4px 18px 18px;
  min-width: 0;
}

.pg-preview-wrap {
  padding: 16px;
}

.pg-output {
  margin-top: 24px;
  padding: 16px;
  min-width: 0;
}

@media (min-width: 1040px) {
  .pg {
    display: grid;
    grid-template-columns: 372px minmax(0, 1fr);
    align-items: start;
    gap: 24px;
  }

  .pg-main {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }

  .pg-preview-wrap {
    max-height: calc(100vh - var(--header-h) - 32px);
    overflow: auto;
    overscroll-behavior: contain;
    padding: 20px;
  }

  .pg-output {
    padding: 20px;
  }
}

.ctl {
  margin: 0;
  padding: 18px 0;
  border: 0;
  border-top: 1px solid var(--border);
  min-width: 0;
}

.ctl:first-child {
  border-top: 0;
}

/* Floating the legend keeps the fieldset's top border above it, like the other sections. */
legend.ctl-title {
  float: left;
  width: 100%;
}

legend.ctl-title + * {
  clear: both;
}

.ctl-title {
  display: block;
  padding: 0;
  margin: 0 0 10px;
  font-size: 12.5px;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  font-size: 14px;
  font-weight: 550;
  cursor: pointer;
  user-select: none;
}

.chip:hover {
  border-color: var(--accent-a);
}

.chip-input,
.swatch-input,
.seg-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.chip:has(.chip-input:checked) {
  border-color: transparent;
  background:
    linear-gradient(var(--surface-solid), var(--surface-solid)) padding-box,
    linear-gradient(120deg, var(--accent-a), var(--accent-b)) border-box;
}

.chip:has(.chip-input:focus-visible),
.swatch:has(.swatch-input:focus-visible),
.seg:has(.seg-input:focus-visible) {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.chip-order {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 999px;
  background: linear-gradient(120deg, #a194ff, #4fd3ea);
  color: var(--on-accent);
  font-size: 11.5px;
  font-weight: 800;
}

.chip-order:empty {
  display: none;
}

.swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 8px;
}

.swatch {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 6px 6px 7px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  cursor: pointer;
  min-width: 0;
}

.swatch:hover {
  border-color: var(--border-strong);
}

.swatch-art {
  display: block;
  height: 34px;
  border-radius: 8px;
  box-shadow: inset 0 0 0 1px rgba(127, 127, 127, 0.25);
  background:
    linear-gradient(90deg, var(--da), var(--db)) left 7px bottom 8px / calc(50% - 14px) 6px no-repeat,
    linear-gradient(90deg, var(--la), var(--lb)) right 7px bottom 8px / calc(50% - 14px) 6px no-repeat,
    radial-gradient(circle at 25% 36%, var(--da) 0 3px, transparent 3.5px),
    radial-gradient(circle at 75% 36%, var(--la) 0 3px, transparent 3.5px),
    linear-gradient(90deg, var(--dp) 50%, var(--lp) 50%);
}

.swatch-label {
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 2px;
}

.swatch:has(.swatch-input:checked) {
  border-color: transparent;
  background:
    linear-gradient(var(--surface-solid), var(--surface-solid)) padding-box,
    linear-gradient(120deg, var(--accent-a), var(--accent-b)) border-box;
}

.row-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-bottom: 10px;
}

.segmented {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  max-width: 100%;
}

.segmented-wrap {
  flex-wrap: wrap;
}

.seg {
  position: relative;
  border-radius: 9px;
}

.seg span {
  display: block;
  padding: 7px 14px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.seg:hover span {
  color: var(--text);
}

.seg:has(.seg-input:checked) span {
  background: var(--surface-solid);
  color: var(--text);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.25),
    inset 0 0 0 1px var(--border-strong);
}

.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}

.switch input {
  position: absolute;
  left: 0;
  top: 50%;
  width: 42px;
  height: 24px;
  margin: -12px 0 0;
  opacity: 0;
  cursor: pointer;
}

.switch-track {
  position: relative;
  flex: none;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: var(--border-strong);
  transition: background-color 0.2s ease;
}

.switch-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s ease;
}

.switch input:checked + .switch-track {
  background: linear-gradient(120deg, var(--accent-a), var(--accent-b));
}

.switch input:checked + .switch-track::after {
  transform: translateX(18px);
}

.switch input:focus-visible + .switch-track {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.color-grid {
  display: grid;
  gap: 2px;
  margin-bottom: 12px;
}

.color-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 56px 56px 36px;
  align-items: center;
  gap: 8px;
  padding: 3px 0;
}

.color-name {
  font-size: 14px;
  font-weight: 600;
}

.color-head span {
  font-size: 12px;
  font-weight: 650;
  color: var(--muted);
  text-align: center;
}

.color-cell {
  position: relative;
  display: flex;
  justify-content: center;
}

.color-cell.is-set::after {
  content: '';
  position: absolute;
  top: -3px;
  right: 1px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-b);
  border: 2px solid var(--surface-solid);
  pointer-events: none;
}

.color-input {
  width: 48px;
  height: 34px;
  padding: 3px;
  border-radius: 9px;
  border: 1px solid var(--border-strong);
  background: var(--surface-solid);
  cursor: pointer;
}

.color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-input::-webkit-color-swatch {
  border: 0;
  border-radius: 6px;
}

.color-input::-moz-color-swatch {
  border: 0;
  border-radius: 6px;
}

.opt-list {
  display: grid;
  gap: 8px;
}

.opt-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface-2);
  min-width: 0;
}

.opt-head {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px 4px 4px;
}

.opt-toggle {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  min-height: 42px;
  padding: 6px 10px;
  border: 0;
  border-radius: 10px;
  background: none;
  color: var(--text);
  font: inherit;
  font-size: 14.5px;
  font-weight: 650;
  text-align: left;
  cursor: pointer;
}

.opt-toggle:hover {
  background: var(--surface-solid);
}

.opt-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.opt-num {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(120deg, #a194ff, #4fd3ea);
  color: var(--on-accent);
  font-size: 12px;
  font-weight: 800;
}

.opt-chev {
  flex: none;
  width: 8px;
  height: 8px;
  margin-right: 4px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.2s ease;
}

.opt-toggle[aria-expanded='true'] .opt-chev {
  transform: translateY(2px) rotate(225deg);
}

.opt-body {
  display: grid;
  gap: 16px;
  padding: 6px 14px 16px;
}

.opt-body > .hint {
  margin: 0;
}

.opt-body > .btn {
  justify-self: start;
}

.field {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.field-label {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 14px;
  font-weight: 650;
}

.field-range {
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 500;
}

.field-desc {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.field-error {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--danger);
}

.input {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--surface-solid);
  color: var(--text);
  font: inherit;
  font-size: 14.5px;
  line-height: 1.4;
}

.input::placeholder {
  color: var(--muted);
  opacity: 0.85;
}

.input:hover {
  border-color: color-mix(in srgb, var(--accent-a) 55%, var(--border-strong));
}

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

.input[aria-invalid='true'] {
  border-color: var(--danger);
}

textarea.input {
  resize: vertical;
  min-height: 66px;
}

.input.mono {
  font-family: var(--mono);
  font-size: 13px;
}

select.input {
  appearance: none;
  padding-right: 36px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%238b93a7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  cursor: pointer;
}

/* Preview */

.pv-head,
.out-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.pv-head h3,
.out-head h3 {
  font-size: 18px;
  font-weight: 700;
}

.pv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.demo-note {
  margin: 12px 0 16px;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 13.5px;
  color: var(--text);
  background: color-mix(in srgb, var(--accent-a) 11%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-a) 30%, transparent);
}

.pv-body {
  display: grid;
  gap: 20px;
}

.pv-card {
  margin: 0;
  min-width: 0;
}

.pv-cap {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 13.5px;
}

.pv-title {
  font-weight: 650;
}

.pv-id {
  font-size: 12px;
  color: var(--muted);
}

.pv-cols {
  display: grid;
  gap: 10px;
}

@media (min-width: 760px) {
  .pv-cols.pv-both {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

.pv-col {
  min-width: 0;
  padding: 10px;
  border-radius: 14px;
}

.pv-on-dark {
  background: var(--pv-dark);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.pv-on-light {
  background: var(--pv-light);
  box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.1);
}

.pv-badge {
  display: block;
  margin: -2px 0 8px 2px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pv-on-dark .pv-badge {
  color: #b1bac4;
}

.pv-on-light .pv-badge {
  color: #57606a;
}

.pv-imgs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.pv-img {
  display: block;
  max-width: 100%;
  height: auto;
}

.pv-full {
  width: 100%;
}

.pv-half {
  width: calc(50% - 5px);
}

.pv-inline {
  width: auto;
  height: auto;
}

@media (max-width: 520px) {
  .pv-half {
    width: 100%;
  }
}

.pv-error {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--danger);
  color: var(--danger);
  font-weight: 600;
}

/* Output */

.tabs {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  max-width: 100%;
  overflow-x: auto;
}

.tabs [role='tab'] {
  padding: 7px 13px;
  border: 0;
  border-radius: 9px;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
  cursor: pointer;
}

.tabs [role='tab']:hover {
  color: var(--text);
}

.tabs [role='tab'][aria-selected='true'] {
  background: var(--surface-solid);
  color: var(--text);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.25),
    inset 0 0 0 1px var(--border-strong);
}

.tab-panel {
  margin-top: 14px;
  min-width: 0;
}

.code-block {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--code-bg);
  overflow: hidden;
  min-width: 0;
}

.code-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 8px 7px 14px;
  border-bottom: 1px solid var(--border);
}

.code-bar .file {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
}

.copy-btn {
  flex: none;
}

.code-block pre,
.snippet {
  margin: 0;
  padding: 14px 16px;
  overflow: auto;
  max-height: min(78vh, 820px);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--tk-v);
  tab-size: 2;
}

.snippet {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--code-bg);
  font-size: 12.5px;
  margin-top: 4px;
}

.tk-k {
  color: var(--tk-k);
}

.tk-s {
  color: var(--tk-s);
}

.tk-c {
  color: var(--tk-c);
}

.tk-e {
  color: var(--tk-e);
}

/* ------------------------------------------------------------------ gallery */

#gallery-filters {
  margin-bottom: 8px;
}

.g-groups {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  margin-top: 24px;
}

.g-group {
  min-width: 0;
}

.g-head h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 6px;
}

.g-head p {
  font-size: 14.5px;
  max-width: 75ch;
  margin-bottom: 14px;
}

.g-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

/* Phones: each card's themes become a swipeable strip instead of a very long grid. */
@media (max-width: 719.98px) {
  .g-grid {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(150px, 46%);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    padding-bottom: 10px;
    scrollbar-width: thin;
  }

  .g-grid > li {
    scroll-snap-align: start;
  }
}

@media (min-width: 720px) {
  .g-grid {
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  }
}

.g-thumb {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  height: 100%;
  padding: 8px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.2s ease;
}

.g-thumb:hover {
  transform: translateY(-2px);
  border-color: var(--accent-a);
  box-shadow: var(--shadow);
}

.g-art {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 72px;
  border-radius: 10px;
}

.g-art:empty {
  background: var(--surface-2);
}

.g-img {
  display: block;
  width: 100%;
  height: auto;
}

.g-art-repos .g-img {
  width: calc(50% - 2px);
}

.g-art-socials .g-img {
  width: auto;
  max-width: 100%;
  height: 24px;
}

.g-name {
  font-size: 13.5px;
  font-weight: 650;
  padding: 0 2px;
  margin-top: auto;
}

/* ------------------------------------------------------------------ quick start */

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
}

@media (min-width: 960px) {
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.step {
  position: relative;
  padding: 22px;
  min-width: 0;
}

.step h3 {
  font-size: 18px;
  margin: 14px 0 10px;
}

.step p {
  color: var(--muted);
  font-size: 15px;
}

.step p:last-child {
  margin-bottom: 0;
}

.step-num {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: linear-gradient(120deg, #a194ff, #4fd3ea);
  color: var(--on-accent);
  font-weight: 800;
}

.qs-extra {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

@media (min-width: 820px) {
  .qs-extra {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.qs-card {
  padding: 22px;
  min-width: 0;
}

.qs-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.qs-card p {
  color: var(--muted);
  font-size: 15px;
}

.sub-head {
  font-size: 22px;
  margin: 44px 0 8px;
}

.actions-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
}

.action-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  min-width: 0;
}

.action-item h4 {
  font-size: 16px;
}

.action-item h4 a {
  color: var(--text);
  text-decoration: none;
}

.action-item h4 a:hover {
  text-decoration: underline;
}

.action-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  flex: 1;
}

.action-item code {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  white-space: nowrap;
  overflow-wrap: normal;
  font-size: 12.5px;
  padding: 6px 10px;
}

.action-cards {
  font-size: 12.5px;
  color: var(--muted);
}

/* ------------------------------------------------------------------ footer */

.site-footer {
  margin-top: 40px;
  padding: 36px 0 44px;
  border-top: 1px solid var(--border);
  font-size: 14.5px;
  color: var(--muted);
}

.footer-inner {
  display: grid;
  gap: 16px;
}

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

.footer-brand img {
  flex: none;
  border-radius: 6px;
}

.footer-brand strong {
  color: var(--text);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-author {
  margin: 0;
}

@media (min-width: 900px) {
  .footer-inner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .footer-author {
    grid-column: 1 / -1;
  }
}

/* ------------------------------------------------------------------ motion */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .hero-frame,
  .hero-frame:hover {
    transform: none !important;
  }
}