/* ============================================================
   BL0K design system
   ------------------------------------------------------------
   One shared stylesheet for every BL0K page (net, apps, chat,
   edu). Served at /shared/bl0k.css on every subdomain (Caddy
   routes /shared/* to the site root's shared/ folder).

   Usage:
     <link rel="stylesheet" href="/shared/bl0k.css">
     <body class="pad-top-lg">          <- 96px top padding (landing pages)
     <h1 class="brand wrap">BL0K<span>.apps</span></h1>
     <nav class="card-grid wrap wrap--wide">
       <a class="card card--stack" href="...">...</a>
     </nav>

   Page-specific bits (modal windows, filters, ...) stay in each
   page's own <style> block; the shared look lives here.
   ============================================================ */

:root {
  --blok-bg: #000;
  --blok-fg: #fff;
  --blok-card: #0a0a0a;
  --blok-card-thumb: #1a1a1a;
  --blok-border: #222;
  --blok-border-hover: #666;
  --blok-muted: #666;
  --blok-radius: 10px;
  --blok-font: 'Comfortaa', system-ui, -apple-system, sans-serif;
  --blok-cursor: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32"><circle cx="16" cy="16" r="8" fill="white"/></svg>') 16 16, auto;
}

* { box-sizing: border-box; }

html {
  background: var(--blok-bg);
  color: var(--blok-fg);
  cursor: var(--blok-cursor);
}

body {
  margin: 0;
  padding: 24px;
  font-family: var(--blok-font);
  line-height: 1.5;
  color: var(--blok-fg);
  background: var(--blok-bg);
}

a { color: var(--blok-fg); }

::selection { background: var(--blok-fg); color: var(--blok-bg); }
:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }

/* ---------- layout ---------- */
.wrap { margin: 0 auto; max-width: var(--blok-max, 960px); }
.wrap--wide { --blok-max: 1200px; }
.pad-top-lg { padding-top: 96px; }

/* ---------- brand heading ---------- */
.brand { margin: 0 auto 56px; font-size: 4rem; line-height: 1; }
.brand > span { font-size: 0.4em; }

/* ---------- back link ---------- */
.back a { color: var(--blok-muted); text-decoration: none; font-size: 0.875rem; }
.back a:hover { color: var(--blok-fg); }

/* ---------- card grids ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

/* ---------- cards ---------- */
.card {
  background: var(--blok-card);
  border: 1px solid var(--blok-border);
  border-radius: var(--blok-radius);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: inherit;
}
.card:hover { border-color: var(--blok-border-hover); box-shadow: 0 0 12px #fff3; }
.card:active { transform: translateY(1px); }
.card h2 { margin: 0; font-size: 0.95rem; font-weight: 700; flex: 1; min-width: 0; }
.card p { margin: 0; }

.card .img {
  width: 48px;
  height: 48px;
  background: var(--blok-card-thumb);
  background-size: cover;
  background-position: center;
  border: 1px solid var(--blok-border);
  border-radius: 6px;
  flex-shrink: 0;
}

/* stacked cards (landing hero cards) */
.card--stack { flex-direction: column; align-items: flex-start; padding: 24px; }
.card--stack > svg { width: 24px; height: 24px; margin: 0 0 16px; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.card--stack h2 { font-size: 1.15rem; margin-bottom: 8px; }

/* ---------- utilities ---------- */
.hide { display: none; }
.muted { color: var(--blok-muted); }
