/* gassed — shared stylesheet. No webfonts, no external requests. */

:root {
  color-scheme: dark light;

  /* Dark scheme (default) — mirrors src/constants/theme.ts Colors.dark */
  --bg: #161616;
  --bg-el: #1c1c1e;
  --text: #f5f4fa;
  --text-2: #a6a3b3;
  --border: rgba(245, 244, 250, 0.1);
  --accent: #ff43d6;
  --accent-2: #a866ff;
  --warning: #f5c247;
  --danger: #ff6b7a;
  --success: #3fd98e;
  --on-accent: #0b0b0f;
  --glass: rgba(28, 28, 30, 0.55);
  --glass-strong: rgba(28, 28, 30, 0.88);
  --glass-border: rgba(255, 255, 255, 0.14);
  --gradient: linear-gradient(135deg, #a866ff, #ff43d6 55%, #ff7ae0);
  --glow-1: #7500ff;
  --glow-2: #ff009d;
  --glow-3: #f7ff00;
  --glow-a1: 0.3;
  --glow-a2: 0.26;
  --glow-a3: 0.12;
  --code-bg: rgba(255, 255, 255, 0.08);
  --focus: #f7ff00;

  --measure: 68ch;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --gutter: 16px;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f8f8f8;
    --bg-el: #ffffff;
    --text: #0b0b0f;
    --text-2: #5b5a66;
    --border: rgba(11, 11, 15, 0.08);
    --accent: #7500ff;
    --accent-2: #d1007f;
    --warning: #8a6100;
    --danger: #e23e4e;
    --success: #1fae6e;
    --on-accent: #ffffff;
    --glass: rgba(255, 255, 255, 0.55);
    --glass-strong: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(11, 11, 15, 0.08);
    --gradient: linear-gradient(135deg, #7500ff, #b000d6 55%, #e0008a);
    --glow-a1: 0.14;
    --glow-a2: 0.14;
    --glow-a3: 0.14;
    --code-bg: rgba(11, 11, 15, 0.06);
    --focus: #7500ff;
  }
}

:root[data-theme="light"] {
  --bg: #f8f8f8;
  --bg-el: #ffffff;
  --text: #0b0b0f;
  --text-2: #5b5a66;
  --border: rgba(11, 11, 15, 0.08);
  --accent: #7500ff;
  --accent-2: #d1007f;
  --warning: #8a6100;
  --danger: #e23e4e;
  --success: #1fae6e;
  --on-accent: #ffffff;
  --glass: rgba(255, 255, 255, 0.55);
  --glass-strong: rgba(255, 255, 255, 0.92);
  --glass-border: rgba(11, 11, 15, 0.08);
  --gradient: linear-gradient(135deg, #7500ff, #b000d6 55%, #e0008a);
  --glow-a1: 0.14;
  --glow-a2: 0.14;
  --glow-a3: 0.14;
  --code-bg: rgba(11, 11, 15, 0.06);
  --focus: #7500ff;
}

/* ---------- Base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 1.5rem;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif,
    "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  font-size: 1.0625rem;
  line-height: 1.6;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

@media (max-width: 480px) {
  body {
    font-size: 1rem;
  }
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
  text-decoration-thickness: 1px;
}

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

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  background: var(--bg-el);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  z-index: 100;
}

.skip:focus {
  top: var(--gutter);
}

h1,
h2,
h3,
h4 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  font-weight: 800;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

h1 {
  font-size: clamp(2rem, 6vw, 2.75rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.4rem, 4vw, 1.75rem);
  margin-top: 2.25em;
  padding-top: 0.25em;
}

h3 {
  font-size: 1.2rem;
  margin-top: 1.75em;
  font-weight: 700;
}

h2 + h3 {
  margin-top: 1em;
}

p,
ul,
ol,
blockquote,
table {
  margin: 0 0 1em;
}

ul,
ol {
  padding-left: 1.4em;
}

li + li {
  margin-top: 0.35em;
}

li > ul,
li > ol {
  margin-top: 0.35em;
  margin-bottom: 0;
}

strong {
  font-weight: 700;
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.9em;
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 6px;
  overflow-wrap: anywhere;
}

blockquote {
  border-left: 3px solid var(--accent-2);
  margin-left: 0;
  padding: 0.25rem 0 0.25rem 1rem;
  color: var(--text-2);
}

blockquote p:last-child {
  margin-bottom: 0;
}

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

.muted {
  color: var(--text-2);
}

.small {
  font-size: 0.9rem;
}

/* ---------- Glow backdrop (decorative) ---------- */

.glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.glow i {
  position: absolute;
  display: block;
  border-radius: 50%;
  filter: blur(90px);
  transform: translateZ(0);
}

.glow i:nth-child(1) {
  width: 46vmax;
  height: 46vmax;
  top: -18vmax;
  left: -16vmax;
  background: var(--glow-1);
  opacity: var(--glow-a1);
}

.glow i:nth-child(2) {
  width: 40vmax;
  height: 40vmax;
  right: -18vmax;
  bottom: -14vmax;
  background: var(--glow-2);
  opacity: var(--glow-a2);
}

.glow i:nth-child(3) {
  width: 30vmax;
  height: 30vmax;
  top: 40%;
  right: -20vmax;
  background: var(--glow-3);
  opacity: var(--glow-a3);
}

/* ---------- Layout ---------- */

.wrap {
  width: 100%;
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

main.wrap {
  flex: 1;
  padding-top: 1.5rem;
  padding-bottom: 4rem;
}

.prose {
  max-width: var(--measure);
}

/* ---------- Header ---------- */

.site-header {
  padding: 1rem 0;
}

.site-header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-style: italic;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  line-height: 1;
}

.brand .mark {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.25rem;
}

.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  border: 1px solid transparent;
}

.site-nav a:hover {
  border-color: var(--glass-border);
  background: var(--glass);
}

.site-nav a[aria-current="page"] {
  background: var(--glass);
  border-color: var(--glass-border);
  color: var(--accent);
}

/* ---------- Glass cards ---------- */

.card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.25rem;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.card > :first-child {
  margin-top: 0;
}

.card > :last-child {
  margin-bottom: 0;
}

.card h2,
.card h3 {
  margin-top: 0;
}

/* ---------- Hero (landing) ---------- */

.hero {
  padding: 3rem 0 2rem;
  max-width: 44rem;
}

.hero .wordmark {
  font-size: clamp(3.5rem, 14vw, 6.5rem);
  font-style: italic;
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 0.95;
  margin: 0.5rem 0 0.25rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-right: 0.08em; /* italic overhang */
}

@supports not (background-clip: text) {
  .hero .wordmark {
    color: var(--text);
    background: none;
  }
}

.hero .tagline {
  font-size: clamp(1.4rem, 4.5vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

.hero .lead {
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  color: var(--text-2);
  max-width: 34rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  font-size: 0.9rem;
  font-weight: 600;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.pill::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient);
}

.facts {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.6rem;
  max-width: 34rem;
}

.facts li {
  padding-left: 1.4rem;
  position: relative;
  margin: 0;
}

.facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--gradient);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.grid .card {
  display: block;
  color: var(--text);
  text-decoration: none;
  transition: transform 150ms ease, border-color 150ms ease;
}

.grid .card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
  .grid .card:hover {
    transform: none;
  }
}

.grid .card h2 {
  font-size: 1.2rem;
  margin: 0 0 0.35rem;
}

.grid .card p {
  color: var(--text-2);
  margin: 0;
  font-size: 0.97rem;
}

.grid .card .go {
  display: inline-block;
  margin-top: 0.75rem;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.95rem;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  background: var(--gradient);
  color: var(--on-accent);
  border: 0;
}

.btn.glass {
  background: var(--glass);
  color: var(--text);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

/* ---------- Document pages ---------- */

.doc-head {
  margin-bottom: 1.5rem;
}

.doc-head .eyebrow {
  color: var(--text-2);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

.doc-head h1 {
  margin-bottom: 0.5rem;
}

.doc-head .intro {
  color: var(--text-2);
  font-size: 1.1rem;
  max-width: var(--measure);
}

.banner {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-left: 4px solid var(--warning);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  margin: 0 0 1.5rem;
  max-width: var(--measure);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.banner p {
  margin: 0;
}

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

.toc {
  margin: 0 0 2.5rem;
  max-width: var(--measure);
}

.toc summary {
  cursor: pointer;
  font-weight: 700;
  padding: 0.25rem 0;
}

.toc ol {
  margin: 0.75rem 0 0;
  padding-left: 1.4em;
  columns: 1;
}

.toc li {
  margin: 0.2rem 0;
  break-inside: avoid;
}

.toc a {
  color: var(--text);
}

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

.doc h2 {
  scroll-margin-top: 1.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}

.doc h3 {
  scroll-margin-top: 1.5rem;
}

.doc > h1 {
  display: none; /* the page head renders the title */
}

.tbc {
  display: inline-block;
  font-style: normal;
  font-weight: 600;
  color: var(--text-2);
  background: var(--code-bg);
  border: 1px dashed var(--glass-border);
  border-radius: 6px;
  padding: 0 0.4em;
  line-height: 1.45;
}

.back-top {
  display: inline-block;
  margin-top: 2.5rem;
  font-size: 0.95rem;
}

/* Tables */

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 0 1.25rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  background: var(--glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.table-wrap table {
  border-collapse: collapse;
  width: 100%;
  min-width: 36rem;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.45;
}

.table-wrap.wide table {
  min-width: 64rem;
}

.table-wrap th,
.table-wrap td {
  text-align: left;
  vertical-align: top;
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--border);
}

.table-wrap th {
  font-weight: 700;
  background: var(--code-bg);
  position: sticky;
  top: 0;
}

.table-wrap tr:last-child td {
  border-bottom: 0;
}

.table-wrap td p:last-child {
  margin-bottom: 0;
}

.scroll-hint {
  color: var(--text-2);
  font-size: 0.85rem;
  margin: -0.75rem 0 1.25rem;
}

@media (min-width: 40rem) {
  .scroll-hint {
    display: none;
  }
}

/* ---------- Contact card (support) ---------- */

.contact-card {
  border-color: var(--accent);
  max-width: var(--measure);
  margin: 0 0 2rem;
}

.contact-card .big {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0.25rem 0 0.75rem;
}

.contact-card ul {
  margin-bottom: 0;
}

.subject-words {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}

.subject-words li {
  margin: 0;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--code-bg);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ---------- Safety page ---------- */

.safety .prose h2 {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  scroll-margin-top: 1.5rem;
}

.helplines {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}

.helplines .card {
  padding: 1rem;
}

.helplines h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
}

.helplines p {
  margin: 0;
  color: var(--text-2);
  font-size: 0.95rem;
}

.helplines a {
  font-weight: 700;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0 2.5rem;
  color: var(--text-2);
  font-size: 0.95rem;
}

.site-footer .wrap {
  display: grid;
  gap: 1.25rem;
}

.site-footer .contact {
  color: var(--text);
}

.site-footer .contact strong {
  display: block;
  margin-bottom: 0.15rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

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

.site-footer .legal {
  font-size: 0.85rem;
}

@media (min-width: 48rem) {
  .site-footer .wrap {
    grid-template-columns: 1fr auto;
    align-items: start;
  }

  .site-footer .legal {
    grid-column: 1 / -1;
  }
}

/* ---------- 404 ---------- */

.notfound {
  padding: 4rem 0;
  max-width: 34rem;
}

.notfound .code {
  font-size: clamp(4rem, 18vw, 7rem);
  font-weight: 800;
  font-style: italic;
  letter-spacing: -0.05em;
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0 0 0.5rem;
}

@media print {
  .glow,
  .site-nav,
  .skip {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .card,
  .table-wrap,
  .banner {
    background: none;
    border-color: #ccc;
  }
}