/* =========================================================
   KALEVERSE UI — Header/Footer global (Canvas-friendly)
   - évite interférences thème
   - burger mobile + backdrop
========================================================= */

:root{
  --kv-max: 1120px;
  --kv-r: 18px;
  --kv-shadow: 0 18px 60px rgba(0,0,0,.22);
  --kv-text: #eef3ff;
  --kv-muted: rgba(238,243,255,.74);
  --kv-bg: #070a12;
  --kv-panel: rgba(255,255,255,.06);
  --kv-line: rgba(255,255,255,.12);
  --kv-accent: #7c4dff;
}

.kv-ui{ position: sticky; top:0; z-index: 9999; }
.kv-ui *{ box-sizing: border-box; }

.kv-ui__wrap{
  max-width: var(--kv-max);
  margin: 0 auto;
  padding: 14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
}

.kv-ui__brand{
  display:flex; align-items:center; gap: 12px;
  text-decoration:none;
  color: var(--kv-text);
  min-width: 210px;
}

.kv-ui__brandMark{
  width: 44px; height: 44px;
  border-radius: 14px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, var(--kv-accent), rgba(0,212,255,.9));
  color: #070a12;
  font-weight: 900;
  letter-spacing: .02em;
  box-shadow: var(--kv-shadow);
}

.kv-ui__brandText strong{ display:block; font-size: 15px; letter-spacing:.02em; }
.kv-ui__brandText em{ display:block; font-size: 12px; font-style: normal; opacity: .78; margin-top: 1px; }

.kv-ui__nav{
  display:flex; align-items:center; gap: 10px;
  background: var(--kv-panel);
  border: 1px solid var(--kv-line);
  border-radius: 999px;
  padding: 6px;
  backdrop-filter: blur(10px);
}

.kv-ui__link{
  color: var(--kv-text);
  text-decoration:none;
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 999px;
  opacity: .92;
  transition: transform .12s ease, background .12s ease, opacity .12s ease;
}
.kv-ui__link:hover{ background: rgba(255,255,255,.10); transform: translateY(-1px); opacity: 1; }
.kv-ui__link.is-active{ background: rgba(124,77,255,.26); border: 1px solid rgba(124,77,255,.35); opacity: 1; }

.kv-ui__burger{
  display:none;
  width: 44px; height: 44px;
  border-radius: 14px;
  border: 1px solid var(--kv-line);
  background: var(--kv-panel);
  color: var(--kv-text);
  box-shadow: var(--kv-shadow);
  position: relative;
}
.kv-ui__burger span{
  position:absolute; left: 11px; right: 11px;
  height: 2px; background: currentColor; border-radius: 2px;
}
.kv-ui__burger span:nth-child(1){ top: 14px; }
.kv-ui__burger span:nth-child(2){ top: 21px; opacity:.85; }
.kv-ui__burger span:nth-child(3){ top: 28px; opacity:.70; }

.kv-ui__backdrop{
  display:none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.42);
  backdrop-filter: blur(2px);
}

/* Variants */
.kv-ui--dark{
  background: linear-gradient(180deg, rgba(7,10,18,.92), rgba(7,10,18,.68));
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.kv-ui--aquarelle{
  --kv-text: #2b1d12;
  --kv-muted: rgba(43,29,18,.68);
  --kv-bg: #fff6e8;
  --kv-panel: rgba(255,255,255,.60);
  --kv-line: rgba(43,29,18,.16);
  --kv-accent: #ff7a59;
  background: linear-gradient(180deg, rgba(255,246,232,.94), rgba(255,246,232,.74));
  border-bottom: 1px solid rgba(43,29,18,.12);
}
.kv-ui--festival{
  --kv-accent: #00d4ff;
  background: linear-gradient(180deg, rgba(11,16,34,.92), rgba(11,16,34,.70));
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.kv-ui--story{
  --kv-accent: #ffcc33;
  background: linear-gradient(180deg, rgba(8,8,10,.92), rgba(8,8,10,.68));
  border-bottom: 1px solid rgba(255,255,255,.10);
}

/* Footer */
.kv-foot{
  margin-top: 38px;
  background: rgba(0,0,0,.06);
  border-top: 1px solid rgba(0,0,0,.10);
}
.kv-foot__wrap{
  max-width: var(--kv-max);
  margin: 0 auto;
  padding: 22px 18px;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
}
.kv-foot__brand strong{ display:block; font-size: 14px; }
.kv-foot__brand span{ display:block; font-size: 13px; opacity:.80; margin-top: 4px; }
.kv-foot__mini{ font-size: 13px; opacity:.82; display:flex; align-items:center; gap:10px; }
.kv-foot__mini a{ color: inherit; text-decoration: none; }
.kv-foot__mini a:hover{ text-decoration: underline; }

/* Mobile */
@media (max-width: 860px){
  .kv-ui__burger{ display:block; }
  .kv-ui__nav{
    position: fixed;
    top: 76px; left: 14px; right: 14px;
    display:none;
    flex-direction: column;
    align-items: stretch;
    border-radius: 18px;
    padding: 10px;
    box-shadow: var(--kv-shadow);
  }
  .kv-ui__nav.is-open{ display:flex; }
  .kv-ui__link{ padding: 12px 12px; border-radius: 14px; }
  .kv-ui__backdrop.is-open{ display:block; }
}