/* Modal de navegação — questões e notícias (home editorial + páginas internas) */
.nav-loader {
  --loader-bg: rgba(8, 11, 19, 0.58);
  --loader-panel: rgba(16, 20, 36, 0.94);
  --loader-text: #f8fbff;
  --loader-muted: #9aa6bc;
  --loader-accent: #5ee7ff;
  --loader-accent-soft: rgba(94, 231, 255, 0.22);
  --loader-border: rgba(255, 255, 255, 0.14);
  --loader-shadow: 0 28px 90px rgba(0, 0, 0, 0.45);
  position: fixed;
  inset: 0;
  z-index: 50000;
  display: grid;
  place-items: center;
  padding: 24px;
  pointer-events: all;
}

body.home-editorial .nav-loader {
  --loader-bg: rgba(45, 41, 38, 0.42);
  --loader-panel: rgba(248, 244, 234, 0.97);
  --loader-text: #2d2926;
  --loader-muted: #6e655c;
  --loader-accent: #a6906f;
  --loader-accent-soft: rgba(166, 144, 111, 0.22);
  --loader-border: rgba(45, 41, 38, 0.12);
  --loader-shadow: 0 28px 80px rgba(45, 41, 38, 0.18);
}

.nav-loader[hidden] {
  display: none !important;
}

.nav-loader:not([hidden]) .nav-loader__backdrop {
  animation: nav-loader-fade-in 220ms ease forwards;
}

.nav-loader:not([hidden]) .nav-loader__panel {
  animation: nav-loader-panel-in 320ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.nav-loader__backdrop {
  position: absolute;
  inset: 0;
  background: var(--loader-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-loader__panel {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  min-width: min(100%, 320px);
  padding: 28px 32px 26px;
  border: 1px solid var(--loader-border);
  border-radius: 22px;
  background: var(--loader-panel);
  box-shadow: var(--loader-shadow);
  text-align: center;
}

.nav-loader__spinner {
  width: 52px;
  height: 52px;
  position: relative;
}

.nav-loader__spinner::before,
.nav-loader__spinner::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid transparent;
}

.nav-loader__spinner::before {
  border-top-color: var(--loader-accent);
  border-right-color: var(--loader-accent-soft);
  animation: nav-loader-spin 760ms linear infinite;
}

.nav-loader__spinner::after {
  inset: 8px;
  border-bottom-color: var(--loader-accent);
  border-left-color: transparent;
  opacity: 0.55;
  animation: nav-loader-spin 1.1s linear infinite reverse;
}

.nav-loader__label {
  margin: 4px 0 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--loader-text);
}

body.home-editorial .nav-loader__label {
  font-family: var(--font-display, 'Syne', sans-serif);
}

.nav-loader__hint {
  margin: 0;
  font-size: 13px;
  color: var(--loader-muted);
}

body.nav-loader-active {
  overflow: hidden;
  touch-action: none;
}

@keyframes nav-loader-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes nav-loader-panel-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes nav-loader-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .nav-loader__spinner::before,
  .nav-loader__spinner::after {
    animation-duration: 1.4s;
  }

  .nav-loader:not([hidden]) .nav-loader__backdrop,
  .nav-loader:not([hidden]) .nav-loader__panel {
    animation: none;
  }
}