/**
 * PATH: static/css/klktoki-brand.css
 * FUNCIONES: Marca KLKTOKI — inicio (home) y copyright footer (logo + email).
 * CONECTA CON: partials/_klktoki_brand.html, partials/_klktoki_copyright.html, static/img/klktoki/*.png.
 * LLAMADO POR: layout_futuristic.html, feed_futuristic.html.
 */

.klktoki-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.klktoki-brand:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.klktoki-brand__mark {
  overflow: hidden;
  border-radius: 12px;
  flex-shrink: 0;
  line-height: 0;
}

.klktoki-brand__mark img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  object-position: center top;
}

.klktoki-brand__text {
  font-family: "Orbitron", "Inter", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: linear-gradient(90deg, #2563eb 0%, #7c3aed 55%, #ff2d78 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  white-space: nowrap;
}

/* Inicio (feed home) */
.klktoki-home-brand {
  display: flex;
  justify-content: center;
  padding: 8px 0 4px;
  margin-bottom: 4px;
}

.klktoki-brand--home {
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 12px 16px 8px;
}

.klktoki-brand--home .klktoki-brand__mark {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  box-shadow: 0 6px 24px rgba(59, 130, 246, 0.28);
}

.klktoki-brand--home .klktoki-brand__text {
  font-size: 0.95rem;
  letter-spacing: 0.2em;
}

/* Copyright (footer) — fijo al pie del viewport en escritorio */
.site-footer {
  --site-footer-height: 88px;
  position: fixed !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  z-index: 9500;
  width: 100%;
  max-width: none;
  text-align: center;
  padding: 0.65rem 1rem 0.85rem;
  color: var(--text-muted, #64748b);
  font-size: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 8, 16, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 -8px 28px rgba(0, 0, 0, 0.35);
  margin-top: 0;
}

.site-footer__copy {
  margin: 6px 0 0;
  opacity: 0.9;
  line-height: 1.35;
}

.site-footer__mail {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--accent, #2dd4bf);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 212, 191, 0.35);
}

.site-footer__mail:hover {
  color: #5eead4;
  border-bottom-color: rgba(94, 234, 212, 0.55);
}

.klktoki-brand--footer {
  justify-content: center;
  gap: 8px;
}

.klktoki-brand--footer .klktoki-brand__mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(59, 130, 246, 0.2);
}

.klktoki-brand--footer .klktoki-brand__text {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
}

/* Reservar espacio para el footer fijo (no tapa el feed) */
.content-area {
  padding-bottom: calc(var(--site-footer-height, 88px) + 12px) !important;
}

@media (max-width: 768px) {
  .site-footer {
    position: static;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding: 1rem 1rem calc(1.25rem + env(safe-area-inset-bottom, 0));
  }

  .content-area {
    padding-bottom: calc(96px + env(safe-area-inset-bottom, 0)) !important;
  }
}

@media (max-width: 600px) {
  .klktoki-brand--home .klktoki-brand__mark {
    width: 48px;
    height: 48px;
  }

  .klktoki-brand--home .klktoki-brand__text {
    font-size: 0.82rem;
    letter-spacing: 0.14em;
  }
}

/* Login / registro: mismo KT, tinte y glow siguen el tema activo */
.klktoki-auth-logo {
  position: relative;
  width: 72px;
  height: 72px;
  margin: 0 auto 1rem;
  border-radius: 18px;
  overflow: hidden;
  isolation: isolate;
  box-shadow: 0 8px 28px color-mix(in srgb, var(--accent, #7c3aed) 42%, transparent);
  transition: box-shadow 0.35s ease;
  animation: klktoki-auth-logo-breathe 4.8s ease-in-out infinite;
}

.klktoki-auth-logo__img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 18px;
}

.klktoki-auth-logo__tint {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(
    135deg,
    var(--accent, #4A90D9) 0%,
    var(--accent-secondary, var(--accent, #7c3aed)) 100%
  );
  mix-blend-mode: color;
  opacity: 0.46;
  transition: background 0.35s ease, opacity 0.35s ease;
}

body.theme-light .klktoki-auth-logo__tint,
body.theme-ice .klktoki-auth-logo__tint,
body.theme-pastel .klktoki-auth-logo__tint {
  mix-blend-mode: multiply;
  opacity: 0.28;
}

@keyframes klktoki-auth-logo-breathe {
  0%, 100% {
    box-shadow: 0 8px 24px color-mix(in srgb, var(--accent, #7c3aed) 32%, transparent);
  }
  50% {
    box-shadow: 0 10px 36px color-mix(in srgb, var(--accent, #7c3aed) 58%, transparent);
  }
}

@media (prefers-reduced-motion: reduce) {
  .klktoki-auth-logo {
    animation: none;
  }
}