/* NULLDRM - flat surfaces, soft depth, one accent. Light only. */

:root {
  color-scheme: light;

  --accent: #4c6ef5;
  --accent-ink: #ffffff;
  --accent-soft: #eef1fe;
  --accent-line: #c9d4fb;

  /* white with a slight grey tint */
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --ink: #15181d;
  --ink-2: #434a53;
  --muted: #6b7280;
  --line: #e4e7ec;
  --line-strong: #d4d9e0;

  --ok: #1a7f52;
  --warn: #9a6a00;

  /* the terminal card stays dark on purpose - it is a terminal */
  --term-bg: #15181f;
  --term-ink: #d9dee8;
  --term-dim: #7b8595;
  --term-ok: #6fd79b;
  --term-url: #8fb6ff;
  --term-redact: #5c6678;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16, 20, 30, 0.05), 0 6px 20px -8px rgba(16, 20, 30, 0.12);
  --shadow-sm: 0 1px 2px rgba(16, 20, 30, 0.06);

  --maxw: 1080px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

/* The hidden attribute must win over any display rule below. */
[hidden] { display: none !important; }

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.015em; margin: 0; }
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 680; }
h2 { font-size: clamp(1.3rem, 3vw, 1.6rem); font-weight: 650; }
h3 { font-size: 1.02rem; font-weight: 640; }
p { margin: 0; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre, kbd { font-family: var(--mono); }
code {
  font-size: 0.88em;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 0.1em 0.38em;
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 12px; top: 12px; z-index: 100;
  background: var(--surface); color: var(--ink);
  padding: 10px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
}

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

.shell { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

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

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(246, 247, 249, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-row {
  display: flex; align-items: center; gap: 20px;
  min-height: 60px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink); font-weight: 660; letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
.mark {
  width: 26px; height: 26px; border-radius: 7px;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center;
  font: 700 14px/1 var(--sans);
}
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.site-nav a {
  color: var(--ink-2); padding: 7px 11px; border-radius: 7px;
  font-size: 0.925rem;
}
.site-nav a:hover { background: var(--surface-2); color: var(--ink); text-decoration: none; }
.site-nav a.active { color: var(--accent); background: var(--accent-soft); }

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

section { padding: 56px 0; border-top: 1px solid var(--line); }
section:first-of-type { border-top: 0; }
.section-head { max-width: 62ch; margin-bottom: 28px; }
.section-head p { color: var(--muted); margin-top: 8px; }
.eyebrow {
  display: block; font: 600 0.76rem/1 var(--sans);
  letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 10px;
}

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

.hero { padding: 72px 0 60px; }
.hero h1 { max-width: 20ch; }
.hero .tagline {
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  color: var(--ink-2); margin-top: 16px; max-width: 48ch;
}
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; font-weight: 550; color: var(--ink-2);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 999px; padding: 5px 13px; margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
}
.pill .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ok);
}
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: 550 0.94rem/1 var(--sans);
  padding: 11px 17px; border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--ink);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
.btn:hover { text-decoration: none; border-color: var(--muted); }
.btn-primary {
  background: var(--accent); border-color: transparent; color: var(--accent-ink);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0));
}
.btn-primary:hover { filter: brightness(1.06); }

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

.grid { display: grid; gap: 16px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.card h3 { margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: 0.945rem; }
.card ul { margin: 14px 0 0; padding-left: 18px; color: var(--muted); font-size: 0.9rem; }
.card li + li { margin-top: 5px; }
.step {
  display: grid; place-items: center;
  width: 25px; height: 25px; border-radius: 7px;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid var(--accent-line);
  font: 650 0.82rem/1 var(--mono);
  margin-bottom: 13px;
}

.note {
  margin-top: 20px; padding: 15px 18px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-sm);
  color: var(--ink-2); font-size: 0.93rem;
}

/* ---------- terminal ---------- */

.terminal {
  background: var(--term-bg);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.term-bar {
  display: flex; align-items: center; gap: 9px;
  padding: 11px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.03);
}
.term-bar .lamp { width: 10px; height: 10px; border-radius: 50%; background: #39404e; }
.term-bar .name {
  margin-left: 6px; color: var(--term-dim);
  font: 500 0.8rem/1 var(--mono);
}
.terminal pre {
  margin: 0; padding: 18px;
  overflow-x: auto;
  color: var(--term-ink);
  font-size: 0.815rem; line-height: 1.75;
  tab-size: 2;
}
.terminal .t-dim { color: var(--term-dim); }
.terminal .t-ok { color: var(--term-ok); }
.terminal .t-url { color: var(--term-url); }
.terminal .t-redact { color: var(--term-redact); }
.terminal .t-prompt { color: var(--term-ok); }
.term-legend {
  margin-top: 14px; color: var(--muted); font-size: 0.88rem;
  max-width: 68ch;
}

/* ---------- code blocks ---------- */

pre.code {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  overflow-x: auto;
  font-size: 0.85rem; line-height: 1.75;
  box-shadow: var(--shadow-sm);
  color: var(--ink);
}
pre.code .c { color: var(--muted); }

/* ---------- table ---------- */

.table-wrap {
  border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; background: var(--surface); box-shadow: var(--shadow-sm);
}
table { width: 100%; border-collapse: collapse; font-size: 0.93rem; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--surface-2); font-weight: 600; font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
tbody tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }
td p { color: var(--ink-2); }

/* ---------- source / stats ---------- */

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 15px 16px; box-shadow: var(--shadow-sm);
}
.stat-value { display: block; font: 650 1.4rem/1.1 var(--sans); letter-spacing: -0.02em; }
.stat-label { display: block; margin-top: 5px; color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }

.releases { list-style: none; margin: 16px 0 0; padding: 0; }
.releases li { padding: 14px 0; border-top: 1px solid var(--line); }
.release-title { font-weight: 600; }
.release-meta { color: var(--muted); font-size: 0.85rem; margin-top: 3px; }
.release-body { color: var(--ink-2); font-size: 0.9rem; margin-top: 7px; }
.status-msg { color: var(--muted); font-size: 0.92rem; }

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

.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 48px;
  color: var(--muted); font-size: 0.9rem;
}
.footer-row { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.footer-row nav { display: flex; gap: 18px; margin-left: auto; flex-wrap: wrap; }

/* ---------- docs page ---------- */

.docs-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 28px; align-items: start; }
.docs-nav { position: sticky; top: 80px; }
.docs-nav h3 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); margin-bottom: 10px; }
.docs-nav ul { list-style: none; margin: 0; padding: 0; }
.docs-nav li + li { margin-top: 2px; }
.docs-nav a {
  display: block; padding: 7px 10px; border-radius: 7px;
  color: var(--ink-2); font-size: 0.9rem;
}
.docs-nav a:hover { background: var(--surface-2); color: var(--ink); text-decoration: none; }
.docs-nav a.active { background: var(--accent-soft); color: var(--accent); font-weight: 550; }

/* min-width:0 so wide code blocks scroll instead of stretching the grid. */
.docs-main { min-width: 0; }

.docs-toolbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding-bottom: 12px; margin-bottom: 20px; border-bottom: 1px solid var(--line);
}
.docs-toolbar strong { font-family: var(--mono); font-size: 0.9rem; font-weight: 600; }
.docs-toolbar a { margin-left: auto; font-size: 0.88rem; }

.docs-content { max-width: 74ch; }
.docs-content > *:first-child { margin-top: 0; }
.docs-content h1 { font-size: 1.85rem; margin: 36px 0 14px; }
.docs-content h2 { font-size: 1.32rem; margin: 34px 0 12px; padding-top: 14px; border-top: 1px solid var(--line); }
.docs-content h3 { font-size: 1.04rem; margin: 24px 0 8px; }
.docs-content p, .docs-content ul, .docs-content ol { margin: 0 0 14px; }
.docs-content ul, .docs-content ol { padding-left: 22px; }
.docs-content li + li { margin-top: 4px; }
.docs-content pre {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 15px; overflow-x: auto; font-size: 0.84rem; line-height: 1.7; margin: 0 0 16px;
}
.docs-content pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.docs-content table { margin: 0 0 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.docs-content blockquote {
  margin: 0 0 16px; padding: 2px 0 2px 16px;
  border-left: 3px solid var(--accent-line); color: var(--ink-2);
}
.docs-content hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
.docs-content img { max-width: 100%; }
.docs-content input[type="checkbox"] { margin-right: 6px; }

/* ---------- telegram invite ---------- */

.tg-modal[hidden] { display: none !important; }
.tg-modal { position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 20px; }
.tg-backdrop { position: absolute; inset: 0; background: rgba(21, 24, 29, 0.4); backdrop-filter: blur(3px); }
.tg-dialog {
  position: relative; width: 100%; max-width: 400px;
  background: var(--surface); border: 1px solid var(--line-strong);
  border-radius: var(--radius); padding: 26px;
  box-shadow: 0 20px 60px -14px rgba(16, 20, 30, 0.3);
}
.tg-dialog h2 { font-size: 1.2rem; margin-bottom: 8px; }
.tg-dialog p { color: var(--ink-2); font-size: 0.93rem; }
.tg-actions { display: flex; gap: 10px; margin-top: 22px; flex-wrap: wrap; }
.tg-close {
  position: absolute; top: 12px; right: 12px;
  width: 30px; height: 30px; border-radius: 7px;
  border: 1px solid var(--line); background: var(--surface);
  color: var(--muted); font-size: 1rem; line-height: 1; cursor: pointer;
}
.tg-close:hover { color: var(--ink); background: var(--surface-2); }

/* ---------- responsive ---------- */

@media (max-width: 820px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-nav { position: static; }
  .docs-nav ul { display: flex; flex-wrap: wrap; gap: 4px; }
}

@media (max-width: 640px) {
  .shell { padding: 0 16px; }
  section { padding: 44px 0; }
  .hero { padding: 48px 0 40px; }
  .header-row { min-height: 54px; gap: 10px; }
  .site-nav { gap: 0; }
  .site-nav a { padding: 6px 8px; font-size: 0.875rem; }
  .card { padding: 18px; }
  .terminal pre { font-size: 0.74rem; padding: 14px; }
  .footer-row nav { margin-left: 0; }
}