/* BTEC portál protokolov — vzhľad v štýle est-praha.cz, bez frameworku. */
:root{
  --est:#1b3a5c; --text:#1d2125; --mut:#6b7280; --line:#e2e5ea; --bg:#f6f7f9;
  --ok:#0a7d34; --bad:#c0261a;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);background:var(--bg);line-height:1.55;
  display:flex;flex-direction:column;min-height:100vh}

.hd{display:flex;align-items:center;gap:16px;background:#fff;border-bottom:1px solid var(--line);
  padding:14px 24px}
.hd .brand{display:flex;align-items:center}
.hd img{height:42px;width:auto;display:block}
.hd-t{margin-left:auto;color:var(--mut);font-size:13px;letter-spacing:.04em;text-transform:uppercase}

.wrap{flex:1;width:100%;max-width:620px;margin:0 auto;padding:56px 24px 40px;text-align:center}
h1{font-size:27px;line-height:1.25;margin:0 0 12px;color:var(--est);font-weight:650}
.lead{margin:0 auto 28px;color:#444;font-size:14.5px;max-width:520px}

form{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
input{flex:1 1 280px;min-width:0;padding:13px 15px;font-size:16px;
  font-family:ui-monospace,Menlo,Consolas,monospace;letter-spacing:.06em;
  border:1px solid #c8ccd2;border-radius:8px;background:#fff}
input:focus{outline:2px solid var(--est);outline-offset:1px;border-color:var(--est)}
button{padding:13px 22px;font-size:15px;font-weight:600;color:#fff;background:var(--est);
  border:0;border-radius:8px;cursor:pointer}
button:hover{background:#15304c}

.err{margin:18px auto 0;max-width:520px;padding:12px 14px;font-size:13.5px;text-align:left;
  color:#7a1c14;background:#fdecea;border:1px solid #f3c2bd;border-radius:8px}
.hint{margin-top:22px;color:var(--mut);font-size:12.5px}

.ft{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
  padding:18px 24px;border-top:1px solid var(--line);background:#fff;
  color:var(--mut);font-size:11.5px;text-align:center}
.ft img{height:22px;width:auto;opacity:.85}

@media (max-width:520px){
  .wrap{padding:36px 18px 28px}
  h1{font-size:23px}
  .hd{padding:12px 16px}
  .hd img{height:34px}
  .hd-t{display:none}
}

/* ─── jazykový prepínač ─────────────────────────────────────────────────── */
.jaz{display:flex;gap:4px;margin-left:14px}
.jaz a{font-size:11.5px;font-weight:600;letter-spacing:.04em;text-decoration:none;
  color:var(--mut);border:1px solid var(--line);border-radius:6px;padding:4px 8px;background:#fff}
.jaz a:hover{background:#f2f4f7;color:var(--est)}
.jaz a.akt{background:var(--est);border-color:var(--est);color:#fff}

/* ─── tlačidlo skenovania ───────────────────────────────────────────────── */
.skenuj{margin-top:12px;padding:11px 18px;font-size:14px;font-weight:600;
  color:var(--est);background:#fff;border:1px solid #c8ccd2;border-radius:8px;cursor:pointer}
.skenuj:hover{background:#f2f4f7}
.skenuj::before{content:"";display:inline-block;width:16px;height:16px;margin-right:8px;
  vertical-align:-3px;background:currentColor;
  -webkit-mask:var(--ikona-kamera) center/contain no-repeat;
  mask:var(--ikona-kamera) center/contain no-repeat}
:root{--ikona-kamera:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="black" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z"/><circle cx="12" cy="13" r="4"/></svg>')}

/* ─── prekrytie so skenerom ─────────────────────────────────────────────── */
.sk-vrstva{position:fixed;inset:0;background:rgba(12,16,22,.92);z-index:50;
  display:flex;align-items:center;justify-content:center;padding:16px}
.sk-vrstva[hidden]{display:none}
.sk-box{position:relative;width:100%;max-width:520px;text-align:center}
.sk-box video{width:100%;max-height:70vh;border-radius:12px;background:#000;object-fit:cover}
.sk-ramik{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(70%,260px);aspect-ratio:1;border:2px solid rgba(255,255,255,.9);
  border-radius:12px;box-shadow:0 0 0 100vmax rgba(0,0,0,.25);pointer-events:none}
.sk-info{color:#fff;font-size:13.5px;margin:14px 0 0;min-height:20px}
.sk-info.zle{color:#ffb4ac}
.sk-tl{display:flex;gap:10px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.sk-tl button,.sk-tl .sk-foto{font-size:14px;font-weight:600;padding:11px 18px;border-radius:8px;
  cursor:pointer;border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff}
.sk-tl .sk-foto{display:inline-block}
.sk-tl button:hover,.sk-tl .sk-foto:hover{background:rgba(255,255,255,.12)}

/* ─── poznámka o jazyku protokolu ───────────────────────────────────────── */
.pozn-jazyk{margin-top:18px;color:var(--mut);font-size:12px;font-style:italic}