/* Shared header, language picker, footer. Dark / local-first. */
.cpk-header, .cpk-footer { font-family: Inter, ui-sans-serif, system-ui, sans-serif; }
.cpk-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(8, 9, 13, .82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  color: #d4d4d8;
}
.cpk-header-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.cpk-brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: #fff; font-weight: 700; letter-spacing: -.02em; text-decoration: none; flex: 0 0 auto;
}
.cpk-mark {
  width: 32px; height: 32px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  color: #08090d; font-size: 14px; font-weight: 900;
  box-shadow: 0 0 18px rgba(6,182,212,.28);
}
.cpk-nav {
  display: none; align-items: center; gap: 18px;
  margin-left: auto; font-size: 14px; color: #a1a1aa;
}
.cpk-nav-link { color: inherit; text-decoration: none; }
.cpk-nav-link:hover, .cpk-nav-link.is-current { color: #fff; }
.cpk-x { font-variant: none; }
.cpk-header-end { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.cpk-nav + .cpk-header-end { margin-left: 0; }

.cpk-tools { position: relative; }
.cpk-tools > summary {
  list-style: none; cursor: pointer; color: inherit;
  display: inline-flex; align-items: center; min-height: 40px;
}
.cpk-tools > summary::-webkit-details-marker { display: none; }
.cpk-tools-panel {
  display: none; position: absolute; right: 0; top: calc(100% + 10px); z-index: 50;
  width: min(640px, calc(100vw - 32px));
  padding: 14px; border-radius: 22px;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(10,12,17,.96);
  box-shadow: 0 28px 80px rgba(0,0,0,.55);
}
.cpk-tools[open] .cpk-tools-panel { display: block; }
.cpk-tools-head {
  display: flex; justify-content: space-between; gap: 12px; align-items: center;
  padding: 4px 6px 10px; font-size: 12px; color: #71717a;
}
.cpk-live {
  border-radius: 999px; border: 1px solid rgba(16,185,129,.25);
  background: rgba(16,185,129,.1); color: #34d399;
  padding: 4px 8px; font-size: 10px; font-weight: 700; letter-spacing: .04em;
}
.cpk-tools-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
}
.cpk-tool-item {
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 12px; border-radius: 14px; text-decoration: none;
  border: 1px solid rgba(255,255,255,.05); color: #e4e4e7;
}
.cpk-tool-item:hover { background: rgba(255,255,255,.05); border-color: rgba(6,182,212,.25); }
.cpk-tool-cat { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: #67e8f9; }
.cpk-tool-name { font-size: 13px; font-weight: 650; color: #fff; }
.cpk-tools-all {
  display: flex; margin-top: 8px; padding: 10px 12px; border-radius: 12px;
  color: #a1a1aa; text-decoration: none; font-size: 13px;
}
.cpk-tools-all:hover { color: #fff; background: rgba(255,255,255,.04); }

.cpk-lang { position: relative; }
.cpk-lang-btn {
  min-height: 40px; min-width: 40px; padding: 0 10px;
  border-radius: 999px; border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05); color: #e4e4e7;
  display: inline-flex; align-items: center; gap: 6px;
  cursor: pointer; font: 650 13px/1 Inter, ui-sans-serif, system-ui, sans-serif;
}
.cpk-lang-btn:hover, .cpk-lang.is-open .cpk-lang-btn { background: rgba(255,255,255,.08); color: #fff; }
.cpk-lang-globe { font-size: 14px; }
.cpk-lang-caret { font-size: 10px; color: #71717a; }
.cpk-lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 60;
  min-width: 220px; padding: 8px; border-radius: 16px;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(10,12,17,.97);
  box-shadow: 0 24px 64px rgba(0,0,0,.55);
  display: flex; flex-direction: column; gap: 2px;
}
.cpk-lang-menu[hidden] { display: none !important; }
.cpk-lang-item {
  min-height: 40px; padding: 0 12px; border-radius: 10px;
  display: flex; align-items: center; color: #d4d4d8; text-decoration: none; font-size: 14px;
}
.cpk-lang-item:hover, .cpk-lang-item:focus { background: rgba(255,255,255,.06); color: #fff; outline: none; }
.cpk-lang-item.is-current { color: #67e8f9; }

.cpk-mobile { display: block; position: relative; }
.cpk-mobile > summary {
  list-style: none; cursor: pointer; min-width: 44px; min-height: 40px; padding: 0 12px;
  border-radius: 999px; border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05); color: #e4e4e7; font-size: 13px; font-weight: 650;
  display: grid; place-items: center;
}
.cpk-mobile > summary::-webkit-details-marker { display: none; }
.cpk-mobile-sheet {
  display: none; position: absolute; right: 0; top: calc(100% + 8px); z-index: 55;
  min-width: 200px; padding: 8px; border-radius: 16px;
  border: 1px solid rgba(255,255,255,.1); background: rgba(10,12,17,.97);
  flex-direction: column;
}
.cpk-mobile[open] .cpk-mobile-sheet { display: flex; }
.cpk-mobile-sheet a {
  min-height: 44px; padding: 0 12px; border-radius: 10px;
  display: flex; align-items: center; color: #d4d4d8; text-decoration: none; font-size: 14px;
}
.cpk-mobile-sheet a:hover { background: rgba(255,255,255,.06); color: #fff; }

.cpk-footer {
  border-top: 1px solid rgba(255,255,255,.06);
  color: #71717a; font-size: 13px; margin-top: 48px;
}
.cpk-footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto; padding: 22px 0 40px;
  display: flex; flex-wrap: wrap; gap: 12px 20px; justify-content: space-between; align-items: center;
}
.cpk-footer nav { display: flex; flex-wrap: wrap; gap: 14px; }
.cpk-footer a { color: #a1a1aa; text-decoration: none; }
.cpk-footer a:hover { color: #fff; }

.cpk-skip {
  position: absolute; left: -999px; top: 8px;
  background: #fff; color: #08090d; padding: 8px 12px; border-radius: 8px; z-index: 80;
}
.cpk-skip:focus { left: 8px; }

@media (min-width: 860px) {
  .cpk-nav { display: flex; }
  .cpk-mobile { display: none; }
}
@media (max-width: 859px) {
  .cpk-lang-label, .cpk-lang-caret { display: none; }
  .cpk-lang-btn { padding: 0; width: 40px; justify-content: center; }
  .cpk-tools-grid { grid-template-columns: 1fr; }
}

.cpk-cta {
  margin: 28px 0; padding: 18px 20px; border-radius: 18px;
  border: 1px solid rgba(6,182,212,.22); background: rgba(6,182,212,.06);
}
.cpk-cta h3 { margin: 0 0 6px; color: #fff; font-size: 16px; }
.cpk-cta p { margin: 0 0 10px; color: #a1a1aa; font-size: 14px; }
.cpk-cta a { color: #67e8f9; font-weight: 650; text-decoration: none; }
.cpk-cta a:hover { color: #fff; }