/* ============================================================
   Caylent DevBench site — shared design system
   Palette + fonts extracted from caylent.com (see assets/BRAND.md)
   Dark mode is the default; light mode via html[data-theme="light"]
   ============================================================ */

@font-face { font-family: 'Roboto'; src: url('../fonts/Roboto-Regular.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Roboto'; src: url('../fonts/Roboto-Medium.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Roboto'; src: url('../fonts/Roboto-Bold.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'Roboto'; src: url('../fonts/Roboto-Black.woff2') format('woff2'); font-weight: 900; font-style: normal; font-display: swap; }

:root {
  /* Caylent named palette — do not alter values (BRAND.md) */
  --deep-space: #101010;
  --deep-dark-purple: #050228;
  --deep-blue: #09083A;
  --deep-purple: #16114F;
  --nebula-dark-1: #643DD4;
  --nebula-dark-3: #331C91;
  --nebula-light-2: #9975F7;
  --nebula-light-4: #BA9EF9;
  --nebula-light-5: #CDB8FA;
  --nebula-light-6: #E1D4FC;
  --nebula-light-7: #F6F3FE;
  --galaxy: #97CA6F;
  --galaxy-dark-1: #7FB15F;
  --galaxy-dark-5: #1B350A;
  --galaxy-light-1: #A5D580;
  --galaxy-light-4: #CBEFAE;
  --galaxy-light-5: #D8F5BF;
  --galaxy-light-7: #F1FDE7;
  --moon: #FFFFFF;
  --moon-shadow: #FAF7F2;

  --font-sans: 'Roboto', ui-sans-serif, system-ui, sans-serif;
  --font-mono: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;

  --radius: 12px;
  --radius-sm: 8px;
  --maxw: 1200px;
  --nav-h: 64px;

  /* Dark theme (default) */
  --bg: var(--deep-dark-purple);
  --bg-alt: var(--deep-purple);
  --bg-raised: #0B0640;
  --bg-card: rgba(255,255,255,0.045);
  --bg-card-hover: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.14);
  --border-strong: rgba(255,255,255,0.28);
  --text: var(--moon);
  --text-dim: rgba(255,255,255,0.72);
  --text-faint: rgba(255,255,255,0.55);
  --accent: var(--galaxy-light-1);
  --accent-strong: var(--galaxy-light-4);
  --accent-2: var(--nebula-light-2);
  --accent-2-strong: var(--nebula-light-4);
  --link: var(--galaxy-light-4);
  --code-bg: rgba(0,0,0,0.45);
  --shadow: 0 10px 30px rgba(0,0,0,0.45);
  --hero-grad: radial-gradient(1200px 600px at 70% -10%, rgba(100,61,212,0.35), transparent 60%),
               radial-gradient(900px 500px at 10% 10%, rgba(165,213,128,0.12), transparent 55%),
               linear-gradient(180deg, var(--deep-dark-purple), var(--deep-purple));
}

html[data-theme="light"] {
  --bg: var(--moon-shadow);
  --bg-alt: var(--moon);
  --bg-raised: var(--moon);
  --bg-card: rgba(16,16,16,0.035);
  --bg-card-hover: rgba(16,16,16,0.07);
  --border: rgba(16,16,16,0.15);
  --border-strong: rgba(16,16,16,0.3);
  --text: var(--deep-space);
  --text-dim: rgba(16,16,16,0.75);
  --text-faint: rgba(16,16,16,0.55);
  /* galaxy-dark-1 (#7FB15F) is only 2.2:1 on moon-shadow — too low for text.
     Use galaxy-dark-5 for accent text/borders in light mode; mid-greens remain
     available via the named palette vars for fills/graphics. */
  --accent: var(--galaxy-dark-5);
  --accent-strong: var(--galaxy-dark-5);
  --accent-2: var(--nebula-dark-1);
  --accent-2-strong: var(--nebula-dark-3);
  --link: var(--nebula-dark-1);
  --code-bg: rgba(16,16,16,0.06);
  --shadow: 0 10px 30px rgba(16,16,16,0.12);
  --hero-grad: radial-gradient(1200px 600px at 70% -10%, rgba(100,61,212,0.14), transparent 60%),
               radial-gradient(900px 500px at 10% 10%, rgba(151,202,111,0.18), transparent 55%),
               linear-gradient(180deg, var(--moon), var(--moon-shadow));
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: var(--font-mono); font-size: 0.9em; }
code {
  background: var(--code-bg); padding: 2px 6px; border-radius: 5px;
  /* when a long token wraps, style each line fragment as a complete pill */
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
pre { background: var(--code-bg); padding: 16px; border-radius: var(--radius-sm); overflow-x: auto; border: 1px solid var(--border); }
pre code { background: none; padding: 0; }

h1, h2, h3, h4 { line-height: 1.2; font-weight: 900; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 5vw, 3.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; font-weight: 700; }
h4 { font-size: 1.05rem; font-weight: 700; }
p { margin: 0 0 1em; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }
.muted { color: var(--text-dim); }
.faint { color: var(--text-faint); }
.accent { color: var(--accent); }
.accent-2 { color: var(--accent-2); }
.center { text-align: center; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 90;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 28px; width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.nav-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-logo img.wordmark { height: 18px; width: auto; display: block; }
html[data-theme="light"] .nav-logo img.wordmark.for-dark { display: none; }
html:not([data-theme="light"]) .nav-logo img.wordmark.for-light { display: none; }
.nav-logo .product { font-weight: 700; font-size: 0.95rem; color: var(--text-dim); border-left: 1px solid var(--border-strong); padding-left: 12px; white-space: nowrap; }
.nav-links { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--text-dim); font-weight: 500; font-size: 0.95rem; padding: 8px 12px; border-radius: 8px; }
.nav-links a:hover { color: var(--text); background: var(--bg-card-hover); text-decoration: none; }
.nav-links a.active { color: var(--accent); }
.theme-toggle {
  cursor: pointer; border: 1px solid var(--border); background: var(--bg-card);
  color: var(--text); border-radius: 999px; width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center; font-size: 1.05rem;
  flex-shrink: 0;
}
.theme-toggle:hover { background: var(--bg-card-hover); }
.nav-burger { display: none; }

@media (max-width: 400px) {
  .nav-inner { gap: 10px; padding: 0 12px; }
  .nav-logo { gap: 8px; }
  .nav-logo .product { padding-left: 8px; font-size: 0.85rem; }
}
@media (max-width: 360px) {
  .nav-logo .product { display: none; }
}
/* six nav items need ~920px of chrome; collapse to the burger below that */
@media (max-width: 960px) {
  .nav-links {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: var(--bg-raised); border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: stretch; padding: 12px; gap: 2px;
  }
  .nav-links.open { display: flex; }
  .nav-burger {
    display: inline-flex; margin-left: auto; cursor: pointer; border: 1px solid var(--border);
    background: var(--bg-card); color: var(--text); border-radius: 8px; width: 40px; height: 40px;
    align-items: center; justify-content: center; font-size: 1.2rem;
  }
  .nav-links + .theme-toggle { margin-left: 0; }
}

/* ---------- Hero ---------- */
.hero { background: var(--hero-grad); padding: 88px 0 72px; border-bottom: 1px solid var(--border); }
.hero .kicker { color: var(--accent); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.85rem; margin-bottom: 14px; }
.hero p.lead { font-size: 1.2rem; color: var(--text-dim); max-width: 780px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 700; font-size: 0.98rem;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
}
.btn:hover { text-decoration: none; filter: brightness(1.06); }
.btn-primary { background: var(--galaxy-light-1); color: var(--deep-space); }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--bg-card-hover); }
.btn-purple { background: var(--nebula-dark-1); color: var(--moon); }

/* ---------- Cards & grids ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.card:hover { background: var(--bg-card-hover); }
.card h3 { margin-top: 0; }
.card .icon { font-size: 1.6rem; margin-bottom: 10px; display: block; }
a.card { color: var(--text); display: block; }
a.card:hover { text-decoration: none; border-color: var(--border-strong); }

/* ---------- Stat tiles (facts only — counts verified against source) ---------- */
.stat { text-align: left; padding: 20px 24px; border-left: 3px solid var(--accent); background: var(--bg-card); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.stat .num { font-size: 2.2rem; font-weight: 900; color: var(--accent); line-height: 1.1; }
.stat .label { color: var(--text-dim); font-size: 0.95rem; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--bg-card); font-weight: 700; white-space: nowrap; }
tr:last-child td { border-bottom: none; }

/* ---------- Badges ---------- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 700; border: 1px solid var(--border-strong); }
.badge-green { color: var(--accent); border-color: var(--accent); }
.badge-purple { color: var(--accent-2); border-color: var(--accent-2); }
.badge-neutral { color: var(--text-dim); }

/* ---------- Modal (used by diagram + detail popups) ---------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 200; background: rgba(0,0,0,0.6);
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--bg-raised); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: var(--radius);
  max-width: 640px; width: 100%; max-height: 82vh; overflow-y: auto;
  padding: 28px; box-shadow: var(--shadow); position: relative;
}
.modal h3 { padding-right: 40px; }
.modal .close {
  position: absolute; top: 14px; right: 14px; cursor: pointer;
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text);
  border-radius: 8px; width: 32px; height: 32px; font-size: 1rem;
  display: inline-flex; align-items: center; justify-content: center;
}
.modal .src { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-faint); margin-top: 16px; border-top: 1px solid var(--border); padding-top: 12px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--text-faint); font-size: 0.9rem; }
.footer .cols { display: flex; gap: 32px; flex-wrap: wrap; justify-content: space-between; align-items: center; }
.footer img.wordmark { height: 14px; opacity: 0.8; }
html[data-theme="light"] .footer img.wordmark.for-dark { display: none; }
html:not([data-theme="light"]) .footer img.wordmark.for-light { display: none; }

/* ---------- Misc ---------- */
.pill-row { display: flex; gap: 10px; flex-wrap: wrap; }
.divider { border: none; border-top: 1px solid var(--border); margin: 32px 0; }
.kbd { font-family: var(--font-mono); background: var(--code-bg); border: 1px solid var(--border); border-radius: 5px; padding: 1px 7px; font-size: 0.85em; }
.callout { border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: var(--radius-sm); padding: 18px 20px; background: var(--bg-card); margin: 20px 0; }
.callout.purple { border-left-color: var(--accent-2); }
.toc { position: sticky; top: calc(var(--nav-h) + 20px); }
::selection { background: var(--nebula-dark-1); color: var(--moon); }