/* guide.zlutyobchod.cz — paleta bezpečnostních listů jako e-shop (redesign 2026, sekce 0–16).
   Kontrasty (WCAG 2.2 AA): ink #1d1d1b na #fff 16,88:1 · muted #575752 na #fff 7,27:1 ·
   bílá na go #4a7c2a 5,0:1 · bílá na go-dark #3a6320 6,9:1 · stop #c8102e na #fff 5,9:1 ·
   okraj polí line-ui #8a8a84 na #fff 3,47:1 · ink na yellow-soft #fff8d6 15,8:1. */
:root {
  --zo-ink: #1d1d1b; --zo-muted: #575752; --zo-yellow: #f9cc00; --zo-yellow-soft: #fff8d6;
  --zo-go: #4a7c2a; --zo-go-dark: #3a6320; --zo-stop: #c8102e; --zo-soft: #f7f6f1;
  --zo-line: #e6e4dc; --zo-line-ui: #8a8a84; --zo-radius: 8px;
}
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--zo-soft); color: var(--zo-ink);
  font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }
.narrow { padding-top: 32px; padding-bottom: 32px; }
a { color: var(--zo-ink); text-decoration: underline; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--zo-ink); outline-offset: 2px; box-shadow: 0 0 0 6px var(--zo-yellow); }

.skip { position: absolute; left: 8px; top: -60px; background: var(--zo-ink); color: #fff; padding: 10px 14px; z-index: 10; }
.skip:focus { top: 8px; }
.sr { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }

.top { background: #fff; border-top: 6px solid var(--zo-yellow); border-bottom: 1px solid var(--zo-line); }
.top .wrap { padding-top: 12px; padding-bottom: 12px; }
.top img { display: block; height: auto; max-width: 60vw; }

h1 { font-size: clamp(1.75rem, 5vw, 2.4rem); line-height: 1.2; margin: 28px 0 12px; }
.lead { font-size: 1.1rem; margin: 0 0 8px; }
.codes { margin: 0 0 8px; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.codes li { background: var(--zo-yellow-soft); border-left: 6px solid var(--zo-yellow); padding: 6px 12px; border-radius: 4px; }
.note { color: var(--zo-muted); margin: 0 0 20px; }

.card { background: #fff; border: 1px solid var(--zo-line); border-radius: var(--zo-radius); padding: 20px; margin-bottom: 32px; }
fieldset { border: 0; margin: 0 0 20px; padding: 0; min-width: 0; }
legend { font-weight: 700; font-size: 1.15rem; margin-bottom: 10px; padding: 0; }
.req { font-weight: 400; color: var(--zo-muted); font-size: .95em; }

.opt { position: relative; margin-bottom: 10px; }
.opt input { position: absolute; left: 16px; top: 18px; width: 24px; height: 24px; margin: 0; accent-color: var(--zo-go); }
.opt label {
  display: block; padding: 14px 14px 14px 54px; border: 1px solid var(--zo-line-ui);
  border-radius: var(--zo-radius); cursor: pointer; min-height: 56px;
}
.opt label b { display: block; }
.opt label span { display: block; color: var(--zo-muted); font-size: .95rem; }
.opt input:checked + label { border: 2px solid var(--zo-ink); background: var(--zo-yellow-soft); padding: 13px 13px 13px 53px; }
.opt input:focus-visible + label { outline: 3px solid var(--zo-ink); outline-offset: 2px; box-shadow: 0 0 0 6px var(--zo-yellow); }

.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; }
input[type="email"] {
  width: 100%; min-height: 48px; padding: 10px 14px; font: inherit; color: var(--zo-ink);
  border: 1px solid var(--zo-line-ui); border-radius: var(--zo-radius); background: #fff;
}
input[aria-invalid="true"] { border: 2px solid var(--zo-stop); }

.check { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; }
.check input { flex: 0 0 auto; width: 24px; height: 24px; margin: 2px 0 0; accent-color: var(--zo-go); }

.error { display: block; color: var(--zo-stop); font-weight: 700; font-size: 1rem; margin: 6px 0 0; }
.desc { color: var(--zo-muted); font-size: .95rem; margin: -6px 0 14px 36px; }
.error::before { content: "⚠ "; }
.status:empty { display: none; }
.status { padding: 14px 16px; border-radius: var(--zo-radius); margin-bottom: 18px; font-weight: 700; }
.status.ok { background: #edf4e6; border-left: 6px solid var(--zo-go); }
.status.bad { background: #fdecee; border-left: 6px solid var(--zo-stop); color: var(--zo-ink); }

.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.cf-turnstile { margin: 8px 0 16px; min-height: 65px; }

.btn {
  display: inline-block; min-height: 48px; padding: 12px 24px; border: 0; border-radius: var(--zo-radius);
  background: var(--zo-go); color: #fff; font-family: inherit; font-size: 1.05rem; font-weight: 700; line-height: 1.3; cursor: pointer;
}
.btn:hover { background: var(--zo-go-dark); }
.btn[aria-disabled="true"] { opacity: .7; cursor: progress; }

.privacy { font-size: .95rem; color: var(--zo-muted); margin-bottom: 32px; }
.privacy h2 { font-size: 1.1rem; color: var(--zo-ink); margin: 0 0 8px; }
.privacy p { margin: 0 0 8px; }
.privacy b { color: var(--zo-ink); }
@media (max-width: 360px) { .card { padding: 12px; } .wrap { padding: 0 8px; } .desc { margin-left: 0; } }

.foot { border-top: 1px solid var(--zo-line); background: #fff; color: var(--zo-muted); font-size: .95rem; }
.foot .wrap { padding-top: 16px; padding-bottom: 24px; }
.foot a { color: var(--zo-ink); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }