/* Code and Circuite Cloud – portál (/) a návod (/navod/). Vzhled jako přihlášení (login/login.css): čistě černé pozadí,
   neon z /brand/neon.css, skleněné karty, Exo 2 v nadpisech. Vždy tmavý. CSP: žádné inline styly – vše tady. */

/* Fonty ze sdílené složky /brand/ (Exo 2 600 – SIL OFL; Mr Dafoe deklaruje neon.css) */
@font-face { font-family: 'Exo 2'; font-style: normal; font-weight: 600; font-display: swap; src: url(/brand/exo2-600-latin-ext.woff2) format('woff2');
unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Exo 2'; font-style: normal; font-weight: 600; font-display: swap; src: url(/brand/exo2-600-latin.woff2) format('woff2');
unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

:root {
  --pink: #FF1493; --purple: #B026FF; --cyan: #00F0FF;
  --grad: linear-gradient(135deg, #FF1493 0%, #B026FF 100%);
  --bg: #000; --panel: rgba(8, 8, 18, 0.78); --border: rgba(255, 255, 255, 0.1); --border-hi: rgba(0, 240, 255, 0.35);
  --text: #fff; --text2: rgba(255, 255, 255, 0.72); --text3: rgba(255, 255, 255, 0.5);
  --danger: #ff5c9d;
  --f-sub: 'Exo 2', 'Segoe UI', Roboto, sans-serif;
  --f-body: Roboto, 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --f-mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  --nav-h: 76px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: var(--bg); }
body { font-family: var(--f-body); background: var(--bg); color: var(--text); line-height: 1.6; min-height: 100vh; -webkit-tap-highlight-color: transparent; overflow-x: hidden; }
::selection { background: var(--pink); color: #000; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* světlo malého neonu: vlevo nahoře u nápisu, tlumené */
.nn-dim { filter: opacity(0.6); }   /* ne opacity: tu animuje nn-hum */
.nn-light.nn-dim { --nn-x: 18%; --nn-y: 4%; }

/* do rozhodnutí o přihlášení se obsah nevykreslí (visibility, ne display – nerestartuje animace neonu) */
html.pt-gate main { visibility: hidden; }

/* ---- hlavička ---- */
.pt-h { position: fixed; top: 0; left: 0; right: 0; z-index: 10; display: flex; align-items: center; gap: 14px;
  min-height: var(--nav-h); padding: 6px max(16px, env(safe-area-inset-right)) 6px max(16px, env(safe-area-inset-left)); padding-top: calc(6px + env(safe-area-inset-top));
  background: rgba(0, 0, 0, 0.6); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(0, 240, 255, 0.1); }
.pt-h .nn-sign { margin: 0; flex: 0 0 auto; padding-bottom: 4px; }
.pt-sp { flex: 1 1 auto; }
.pt-who { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.85rem; color: var(--text2); }
.pt-lnk { flex: 0 0 auto; border: 1px solid rgba(0, 240, 255, 0.25); background: none; color: var(--text); font: 600 0.85rem var(--f-sub); letter-spacing: 0.03em;
  padding: 6px 12px; border-radius: 50px; cursor: pointer; text-decoration: none; white-space: nowrap; transition: border-color 0.2s, color 0.2s; }
.pt-lnk:hover, .pt-lnk:focus-visible { border-color: var(--cyan); color: var(--cyan); outline: none; }

/* ---- obsah ---- */
.pt-m { position: relative; z-index: 2; max-width: 1040px; margin: 0 auto; padding: calc(var(--nav-h) + env(safe-area-inset-top) + 28px) 16px 40px; }
.pt-sec { margin-bottom: 34px; }
.pt-st { font: 600 0.78rem var(--f-sub); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text3); margin-bottom: 12px; }
.pt-muted { color: var(--text2); font-size: 0.9rem; }

/* skleněná karta (jako .card na přihlášení) */
.pt-card, .pt-tile, .pt-news { position: relative; background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55); }

/* ---- dlaždice produktů ---- */
.pt-tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.pt-tile { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; min-height: 150px; padding: 18px 16px; color: var(--text); text-decoration: none; }
.pt-tile .pt-ic { color: var(--cyan); margin-bottom: 6px; }
.pt-name { font: 600 1.15rem var(--f-sub); letter-spacing: 0.02em; line-height: 1.25; }
.pt-desc { font-size: 0.85rem; color: var(--text2); line-height: 1.45; }
.pt-tile.is-on { border-color: rgba(0, 240, 255, 0.22); transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.25s, box-shadow 0.25s; }
.pt-tile.is-on .pt-ic { filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.6)); }
.pt-tile.is-on::before { content: ''; position: absolute; left: 18px; right: 18px; top: -1px; height: 1px; background: var(--cyan); opacity: 0; transition: opacity 0.25s; border-radius: 1px;
  box-shadow: 0 0 8px var(--cyan); }
.pt-tile.is-on:hover, .pt-tile.is-on:focus-visible { transform: translateY(-2px); border-color: var(--border-hi); outline: none;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55), 0 0 30px rgba(0, 240, 255, 0.14); }
.pt-tile.is-on:hover::before, .pt-tile.is-on:focus-visible::before { opacity: 0.9; }
.pt-tile.is-off { pointer-events: none; -webkit-user-select: none; user-select: none; filter: grayscale(1); opacity: 0.45; }
.pt-tile.is-off .pt-ic { color: var(--text2); }
.pt-soon { margin-top: auto; font: 600 0.68rem var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text2);
  padding: 3px 9px; border: 1px solid var(--border); border-radius: 50px; }

/* ---- novinky ---- */
#ptNews { display: grid; gap: 12px; }
.pt-news { padding: 18px 20px 16px; }
.pt-news::before { content: ''; position: absolute; left: 20px; right: 20px; top: -1px; height: 1px; background: var(--grad); opacity: 0.7; border-radius: 1px; }
.pt-rel::before { background: var(--cyan); opacity: 0.5; }
.pt-nh { display: flex; align-items: flex-start; gap: 10px; }
.pt-nh h3 { flex: 1 1 auto; min-width: 0; font: 600 1.12rem var(--f-sub); letter-spacing: 0.01em; line-height: 1.35; overflow-wrap: anywhere; }
.pt-meta { font-size: 0.78rem; color: var(--text3); margin: 2px 0 8px; }
.pt-badge { flex: 0 0 auto; font: 600 0.66rem var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--pink);
  padding: 3px 9px; border: 1px solid rgba(255, 20, 147, 0.45); border-radius: 50px; background: rgba(255, 20, 147, 0.08); margin-top: 3px; }
.pt-badge-fw { color: var(--cyan); border-color: rgba(0, 240, 255, 0.4); background: rgba(0, 240, 255, 0.07); }
.pt-parts { color: var(--text2); font-size: 0.92rem; margin-bottom: 6px; }
.pt-ext, .pt-md a { color: var(--cyan); text-decoration: none; font-weight: 600; overflow-wrap: anywhere; }
.pt-ext:hover, .pt-md a:hover { text-decoration: underline; }
.pt-md { color: var(--text2); font-size: 0.95rem; line-height: 1.6; overflow-wrap: anywhere; }
.pt-md p, .pt-md ul { margin: 0 0 8px; }
.pt-md p:last-child, .pt-md ul:last-child { margin-bottom: 0; }
.pt-md ul { padding-left: 1.3em; }
.pt-md li { margin: 2px 0; }
.pt-md li::marker { color: var(--pink); }
.pt-md b { color: var(--text); font-weight: 600; }

/* ---- návod (karta na portálu) ---- */
.pt-guide { display: flex; align-items: center; gap: 14px; padding: 16px 18px; color: var(--text); text-decoration: none; transition: border-color 0.25s; }
.pt-guide .pt-ic { color: var(--pink); flex: 0 0 auto; }
.pt-gtx { display: flex; flex-direction: column; gap: 2px; flex: 1 1 auto; min-width: 0; }
.pt-gtx .pt-name { font-size: 1.05rem; }
.pt-arr { font-weight: 700; color: var(--text2); transition: transform 0.25s, color 0.25s; }
.pt-guide:hover, .pt-guide:focus-visible { border-color: rgba(255, 20, 147, 0.4); outline: none; }
.pt-guide:hover .pt-arr, .pt-guide:focus-visible .pt-arr { transform: translateX(3px); color: var(--pink); }

/* ---- chyba (mimo main, viditelná i při html.pt-gate) ---- */
.pt-err { position: fixed; z-index: 9; left: 16px; right: 16px; top: calc(var(--nav-h) + env(safe-area-inset-top) + 16px); max-width: 560px; margin: 0 auto;
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; padding: 12px 16px; border-radius: 12px; font-size: 0.92rem;
  color: var(--danger); background: rgba(40, 0, 18, 0.92); border: 1px solid rgba(255, 0, 110, 0.4); }
.pt-err span { flex: 1 1 200px; }
.pt-btn { border: 0; border-radius: 8px; padding: 8px 16px; background: var(--grad); color: #000; font: 600 0.92rem var(--f-sub); cursor: pointer; }

.pt-foot { text-align: center; font-family: var(--f-mono); font-size: 0.68rem; letter-spacing: 0.08em; color: rgba(255, 255, 255, 0.35); margin-top: 10px; }

/* ---- návod (/navod/) ---- */
.nv { max-width: 800px; }
.nv h1 { font: 600 1.7rem var(--f-sub); letter-spacing: 0.02em; margin-bottom: 6px; }
.nv-lead { color: var(--text2); margin-bottom: 20px; }
.nv-toc { padding: 16px 20px; margin-bottom: 26px; }
.nv-toc ol { padding-left: 1.4em; columns: 2 220px; column-gap: 24px; }
.nv-toc li { margin: 3px 0; break-inside: avoid; }
.nv-toc a { color: var(--cyan); text-decoration: none; }
.nv-toc a:hover { text-decoration: underline; }
.nv section.pt-card { padding: 20px 20px 12px; margin-bottom: 16px; scroll-margin-top: calc(var(--nav-h) + 16px); }
.nv h2 { font: 600 1.2rem var(--f-sub); letter-spacing: 0.02em; margin-bottom: 10px; color: var(--text); }
.nv h3 { font: 600 1rem var(--f-sub); margin: 14px 0 6px; color: var(--text); }
.nv p, .nv ul, .nv ol, .nv table { margin: 0 0 10px; color: var(--text2); font-size: 0.95rem; }
.nv section ul, .nv section ol { padding-left: 1.3em; }
.nv li { margin: 3px 0; }
.nv li::marker { color: var(--pink); }
.nv b { color: var(--text); font-weight: 600; }
.nv code { font-family: var(--f-mono); font-size: 0.85em; color: var(--cyan); background: rgba(0, 240, 255, 0.07); border: 1px solid rgba(0, 240, 255, 0.2); border-radius: 6px; padding: 1px 6px; overflow-wrap: anywhere; }
.nv section a { color: var(--cyan); }
.nv table { width: 100%; border-collapse: collapse; }
.nv th, .nv td { text-align: left; vertical-align: top; padding: 7px 8px; border-bottom: 1px solid var(--border); }
.nv th { font: 600 0.75rem var(--f-sub); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text3); }
.nv td:first-child { color: var(--text); white-space: nowrap; }
.nv-note { border-left: 2px solid var(--pink); padding: 2px 0 2px 12px; }

@media (min-width: 760px) {
  .pt-tiles { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
  .pt-tile { min-height: 180px; padding: 22px 20px; }
}
@media (max-width: 560px) {
  :root { --nav-h: 64px; }
  .pt-h { gap: 8px; }
  .pt-who { display: none; }
  .pt-lnk { padding: 5px 10px; font-size: 0.8rem; }
  .pt-tile { min-height: 132px; padding: 16px 14px; }
  .pt-name { font-size: 1.05rem; }
  .pt-desc { font-size: 0.8rem; }
  .pt-foot { font-size: 0.62rem; }
  .nv td:first-child { white-space: normal; }
}
@media (prefers-reduced-motion: reduce) {
  .pt-tile.is-on, .pt-tile.is-on::before, .pt-guide, .pt-arr, .pt-lnk { transition: none; }
  .pt-tile.is-on:hover, .pt-tile.is-on:focus-visible { transform: none; }
}