/* Návod Workers Cache (/cloudflare/workers-cache, /cs/cloudflare/workers-cache) - specifika nad sdíleným publication-guide.css.
   Načítá <PageStyles name="workers-cache" /> jen na této stránce (obal <main className="pg wc">).
   Komponenty: src/components/pages/cloudflare/workers-cache/page.tsx, illustrations.tsx;
   tlačítko Kopírovat je sdílené z (wiki)/tailwindcss/CopyCode.tsx (třída .tw-copy, styl níže pod .wc).
   Čisté CSS (mimo Tailwind), třídy s prefixem wc-. */

.wc {
  --wcg-mono: ui-monospace, SFMono-Regular, "Cascadia Code", Menlo, Consolas, "Liberation Mono", monospace;
  --wcg-code-bg: #0f1f17;
  --wcg-code-head: #16291f;
  --wcg-code-text: #e6f2eb;
}

/* Neproporcionální písmo v SVG schématech (přebije .pg-svg text { font-family: inherit }) */
.pg-svg text.wc-mono { font-family: var(--wcg-mono); }

/* Skrytý text pro čtečky (číslo kroku v nadpisu) */
.wc-vh {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------------ */
/* Inline kód                                                          */
/* ------------------------------------------------------------------ */

.wc .pg-prose :not(pre) > code,
.wc .pg-table code {
  padding: 0.1em 0.4em;
  border: 1px solid var(--pg-line);
  border-radius: 6px;
  background: #f5f8f6;
  font-family: var(--wcg-mono);
  font-size: 0.86em;
  color: var(--pg-ink);
  overflow-wrap: anywhere;
}
.wc .pg-callout :not(pre) > code { background: rgba(255, 255, 255, 0.7); }

/* ------------------------------------------------------------------ */
/* Ukázka kódu s hlavičkou a tlačítkem Kopírovat                        */
/* ------------------------------------------------------------------ */

.wc-code {
  margin: 20px 0 0 !important;
  overflow: hidden;
  border-radius: 14px;
  background: var(--wcg-code-bg);
  box-shadow: var(--pg-shadow);
}
.pg-prose > .wc-code { max-width: 860px; }

.wc-code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 42px;
  padding: 6px 8px 6px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  background: var(--wcg-code-head);
}
.wc-code-file,
.wc-code-lang {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--wcg-mono);
  font-size: 12.5px;
  color: #9fdcb8;
}
.wc-code-lang {
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7fa892;
}

.wc-code pre {
  margin: 0;
  padding: 16px 18px 18px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  font-family: var(--wcg-mono);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--wcg-code-text);
  white-space: pre;
  tab-size: 2;
}
.wc-code pre code { font: inherit; color: inherit; background: none; border: 0; padding: 0; }

/* Dlouhé ukázky (celý worker-entry.mjs) se nevejdou na obrazovku - posuvné, ať nepřebíjí text */
.wc-code pre { max-height: 640px; overflow-y: auto; }

.wc .tw-copy {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: transparent;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  color: #cfe9da;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background-color 0.15s;
}
.wc .tw-copy:hover,
.wc .tw-copy:focus-visible { border-color: var(--pg-accent); color: #fff; outline: none; }
.wc .tw-copy.is-done { border-color: var(--pg-brand); background: var(--pg-brand); color: #fff; }
.wc .tw-copy svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
@media (prefers-reduced-motion: reduce) { .wc .tw-copy { transition: none; } }

/* ------------------------------------------------------------------ */
/* Kroky návodu (číslo v kroužku, svislá osa mezi kroky)                */
/* ------------------------------------------------------------------ */

.wc-step {
  position: relative;
  max-width: 860px;
  margin-top: 40px !important;
  padding-left: 54px;
}
.wc-step-n {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--pg-brand);
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 0 0 5px rgba(0, 169, 79, 0.12);
}
/* Osa k dalšímu kroku */
.wc-step:has(+ .wc-step)::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 46px;
  bottom: -34px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(rgba(0, 169, 79, 0.45), rgba(0, 169, 79, 0.12));
}
.pg-prose .wc-step h3 {
  margin: 0 !important;
  padding-top: 3px;
  font-size: 21px;
  line-height: 1.4;
}
.wc-step-body > p { margin: 10px 0 0; }
.wc-step-body > .wc-code { margin-top: 14px !important; }
.wc-step-after { font-size: 15px; color: var(--pg-muted); }

/* ------------------------------------------------------------------ */
/* Dvě karty: přínosy × nevýhody                                        */
/* ------------------------------------------------------------------ */

.pg-prose > .wc-duo { max-width: 860px; }
.wc-card {
  padding: 18px 20px 20px;
  border: 1px solid var(--pg-line);
  border-top: 4px solid var(--pg-brand);
  border-radius: var(--pg-radius);
  background: #fff;
  box-shadow: var(--pg-shadow);
}
.wc-card--bad { border-top-color: #f59e0b; }
.pg-prose .wc-card h4 { margin: 0; font-size: 17px; color: var(--pg-ink); }
.pg-prose .wc-card ul { margin: 10px 0 0; padding-left: 18px; font-size: 15px; line-height: 1.65; }
.pg-prose .wc-card li { margin: 6px 0; }
.wc-card--bad li::marker { color: #f59e0b; }

@media (min-width: 768px) {
  .wc-duo { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 639px) {
  .wc-step { padding-left: 44px; }
  .wc-step-n { width: 30px; height: 30px; font-size: 13px; }
  .wc-step:has(+ .wc-step)::before { left: 14px; top: 40px; }
  .pg-prose .wc-step h3 { padding-top: 1px; font-size: 19px; }
  .wc-code pre { font-size: 12.5px; padding: 14px 14px 16px; }
}