/* Rose Pine cheatsheet — shared base styles */

:root {
  --base: #191724;
  --surface: #1f1d2e;
  --overlay: #26233a;
  --muted: #6e6a86;
  --subtle: #908caa;
  --text: #e0def4;
  --love: #eb6f92;
  --gold: #f6c177;
  --rose: #ebbcba;
  --pine: #31748f;
  --foam: #9ccfd8;
  --iris: #c4a7e7;
  --highlight-low: #21202e;
  --highlight-med: #403d52;
  --highlight-high: #524f67;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--base);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

code, pre, .mono {
  font-family: "JetBrains Mono", "Fira Code", "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
}

/* ─────────────── Header ─────────────── */
header {
  padding: 2.5rem 2rem 1.5rem;
  border-bottom: 1px solid var(--highlight-med);
  background: linear-gradient(180deg, var(--surface), var(--base));
}
header h1 {
  margin: 0 0 0.4rem;
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--rose);
  letter-spacing: -0.02em;
}
header h1 .accent { color: var(--iris); }
header p {
  margin: 0;
  color: var(--subtle);
  font-size: 1.05rem;
}
header .version {
  display: inline-block;
  background: var(--overlay);
  color: var(--gold);
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-family: "JetBrains Mono", monospace;
  margin-left: 0.5rem;
  vertical-align: middle;
  border: 1px solid var(--highlight-med);
}

/* ─────────────── Sticky TOC nav ─────────────── */
nav.toc {
  padding: 1rem 2rem;
  background: var(--surface);
  border-bottom: 1px solid var(--highlight-low);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}
nav.toc a {
  color: var(--foam);
  text-decoration: none;
  font-size: 0.88rem;
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
}
nav.toc a:hover {
  background: var(--overlay);
  color: var(--rose);
}

/* ─────────────── Layout ─────────────── */
main {
  padding: 1.5rem clamp(0.75rem, 2vw, 2rem) 4rem;
  max-width: min(2400px, 96vw);
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;          /* mobile: 1 col */
  gap: 1.25rem;
}
@media (min-width: 760px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }   /* tablet: 2 col */
}
@media (min-width: 1200px) {
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }   /* desktop: 3 col */
}

/* ─────────────── Card ─────────────── */
section.card {
  background: var(--surface);
  border: 1px solid var(--highlight-low);
  border-radius: 10px;
  padding: 1.25rem 1.4rem;
  break-inside: avoid;
}
section.card h2 {
  margin: 0 0 0.85rem;
  font-size: 1.15rem;
  color: var(--gold);
  font-weight: 600;
  border-bottom: 1px solid var(--highlight-med);
  padding-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
section.card h2 .icon {
  color: var(--iris);
  font-size: 1.1em;
}
section.card h2 .tag {
  margin-left: auto;
  font-size: 0.7rem;
  background: var(--overlay);
  color: var(--foam);
  padding: 0.12rem 0.5rem;
  border-radius: 999px;
  font-weight: 400;
  font-family: "JetBrains Mono", monospace;
  text-transform: none;
  letter-spacing: 0;
}
section.card h2 .docs {
  margin-left: auto;
  font-size: 0.72rem;
  background: var(--overlay);
  color: var(--foam);
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-weight: 400;
  border: 1px solid var(--highlight-med);
  text-decoration: none;
  text-transform: none;
  letter-spacing: 0;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
section.card h2 .docs:hover {
  background: var(--highlight-med);
  color: var(--rose);
  border-color: var(--rose);
}
section.card h2 .tag + .docs { margin-left: 0; }

a.inline-docs {
  color: var(--foam);
  text-decoration: none;
  border-bottom: 1px dotted var(--highlight-high);
  transition: color 0.15s, border-color 0.15s;
}
a.inline-docs:hover {
  color: var(--rose);
  border-bottom-color: var(--rose);
}

section.card h3 {
  margin: 1rem 0 0.5rem;
  font-size: 0.92rem;
  color: var(--rose);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}
section.card h3:first-of-type { margin-top: 0.25rem; }

/* ─────────────── Code blocks ─────────────── */
pre {
  background: var(--overlay);
  color: var(--text);
  padding: 0.7rem 0.9rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 0.4rem 0 0.6rem;
  border-left: 3px solid var(--pine);
  white-space: pre;
}

code.inline {
  background: var(--overlay);
  color: var(--rose);
  padding: 0.1em 0.4em;
  border-radius: 3px;
  font-size: 0.88em;
}

/* ─────────────── Lists, prose, notes ─────────────── */
p, ul, ol {
  margin: 0.4rem 0 0.6rem;
  color: var(--text);
}
ul { padding-left: 1.2rem; }
li { margin: 0.15rem 0; }

.note {
  background: var(--highlight-low);
  border-left: 3px solid var(--gold);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  margin: 0.6rem 0;
  font-size: 0.9rem;
  color: var(--subtle);
}
.note strong { color: var(--gold); }
.danger { border-left-color: var(--love); }
.danger strong { color: var(--love); }
.new { border-left-color: var(--iris); }
.new strong { color: var(--iris); }

/* ─────────────── Tables ─────────────── */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.4rem 0 0.6rem;
  font-size: 0.9rem;
}
th, td {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--highlight-low);
  vertical-align: top;
}
th {
  color: var(--foam);
  font-weight: 600;
  background: var(--overlay);
}
td code { color: var(--gold); }

/* ─────────────── Footer ─────────────── */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--highlight-low);
}
footer a { color: var(--foam); text-decoration: none; }
footer a:hover { color: var(--rose); }

/* ─────────────── Selection + scrollbar ─────────────── */
::selection { background: var(--highlight-high); color: var(--rose); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--base); }
::-webkit-scrollbar-thumb { background: var(--highlight-med); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--highlight-high); }

/* ─────────────── Burger menu (mobile only) ─────────────── */
.burger {
  display: none;
  position: fixed;
  top: 0.85rem;
  right: 0.85rem;
  z-index: 30;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: var(--overlay);
  color: var(--rose);
  border: 1px solid var(--highlight-med);
  border-radius: 8px;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.burger:hover { background: var(--highlight-med); border-color: var(--rose); }
.burger:focus-visible { outline: 2px solid var(--rose); outline-offset: 2px; }

.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(25, 23, 36, 0.6);
  backdrop-filter: blur(2px);
  z-index: 15;
}
.nav-backdrop.open { display: block; }

/* ─────────────── Mobile (≤ 759px) ─────────────── */
@media (max-width: 759px) {
  header { padding: 1.5rem 1rem 1rem; }
  header h1 { font-size: 1.6rem; }
  header p { font-size: 0.92rem; }
  header .version { font-size: 0.75rem; padding: 0.1rem 0.45rem; }

  .burger { display: flex; }

  nav.toc {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(82vw, 320px);
    padding: 4.5rem 1.25rem 2rem;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 0.25rem;
    overflow-y: auto;
    background: var(--surface);
    border-left: 1px solid var(--highlight-med);
    box-shadow: -12px 0 24px rgba(0, 0, 0, 0.4);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    z-index: 20;
  }
  nav.toc.open { transform: translateX(0); }
  nav.toc a {
    font-size: 0.95rem;
    padding: 0.55rem 0.75rem;
    border-radius: 6px;
    border: 1px solid transparent;
  }
  nav.toc a:hover { border-color: var(--highlight-med); }

  main { padding: 1.25rem clamp(0.5rem, 3vw, 1rem) 3rem; max-width: 96vw; }
  section.card { padding: 1rem 1.1rem; }
  section.card h2 { font-size: 1.05rem; flex-wrap: wrap; }
  pre { font-size: 0.82em; padding: 0.6rem 0.75rem; }

  footer { padding: 1.5rem 1rem; font-size: 0.8rem; }
}

body.nav-locked { overflow: hidden; }