/**
 * Brand logo — premium 3D Mushaf mark, animated rings, pointer tilt
 */

.brand-logo--3d {
  --logo-tilt-x: 0deg;
  --logo-tilt-y: 0deg;
  --logo-shine-x: 30%;
  --logo-shine-y: 20%;
}

.brand-logo--sm {
  --logo-size: 42px;
  --logo-svg: 38px;
  --logo-bleed: 10px;
}

.brand-logo--md {
  --logo-size: 52px;
  --logo-svg: 46px;
  --logo-icon-scale: 1.22;
  --logo-bleed: 12px;
}

/* Navbar — bigger mark inside same circle (desktop) */
@media (min-width: 768px) {
  .navbar__logo .brand-logo {
    --logo-icon-scale: 1.28;
  }
}

.brand-logo--lg {
  --logo-size: 66px;
  --logo-svg: 58px;
  --logo-bleed: 14px;
}

/* Outer frame fits ring + glow — nothing clipped */
.brand-logo {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: visible;
  width: calc(var(--logo-size, 52px) + var(--logo-bleed, 12px) * 2);
  height: calc(var(--logo-size, 52px) + var(--logo-bleed, 12px) * 2);
  min-width: calc(var(--logo-size, 52px) + var(--logo-bleed, 12px) * 2);
  min-height: calc(var(--logo-size, 52px) + var(--logo-bleed, 12px) * 2);
}

.brand-logo__stage {
  position: relative;
  display: grid;
  place-items: center;
  width: var(--logo-size, 52px);
  height: var(--logo-size, 52px);
  overflow: visible;
  transform-style: preserve-3d;
  perspective: 520px;
  transform: rotateX(var(--logo-tilt-y)) rotateY(var(--logo-tilt-x));
  transition: transform 0.14s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.brand-logo__svg {
  position: relative;
  z-index: 4;
  width: var(--logo-svg, 46px);
  height: var(--logo-svg, 46px);
  filter: drop-shadow(0 4px 10px rgba(5, 150, 105, 0.35));
  transform: translateZ(12px) scale(var(--logo-icon-scale, 1));
  transform-origin: center center;
}

.brand-logo__disc {
  position: absolute;
  inset: 5px;
  z-index: 1;
  border-radius: 50%;
  background: linear-gradient(155deg, #ffffff 0%, #ecfdf5 45%, #d1fae5 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.95) inset,
    0 10px 28px rgba(5, 150, 105, 0.32),
    0 2px 8px rgba(15, 23, 42, 0.08);
  transform: translateZ(4px);
}

.brand-logo__ring {
  position: absolute;
  inset: -7px;
  z-index: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    #047857,
    #059669,
    #fbbf24,
    #fde68a,
    #10b981,
    #34d399,
    #047857
  );
  opacity: 0.95;
  animation: logoRingSpin 5s linear infinite, logoRingPulse 3s ease-in-out infinite;
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3.5px), #000 calc(100% - 2px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 3.5px), #000 calc(100% - 2px));
  filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.4));
}

.brand-logo__ring--inner {
  inset: -3px;
  opacity: 0.5;
  animation: logoRingSpin 7s linear infinite reverse, logoRingPulse 3s ease-in-out infinite 0.5s;
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 1.5px), #000 calc(100% - 0.5px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 1.5px), #000 calc(100% - 0.5px));
}

.brand-logo__glow {
  position: absolute;
  inset: -10px;
  z-index: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.5) 0%, rgba(251, 191, 36, 0.15) 45%, transparent 72%);
  animation: logoGlowPulse 2.8s ease-in-out infinite;
  pointer-events: none;
}

.brand-logo__shine {
  position: absolute;
  inset: 6px;
  z-index: 6;
  border-radius: 50%;
  pointer-events: none;
  overflow: hidden;
  background: radial-gradient(
    circle at var(--logo-shine-x) var(--logo-shine-y),
    rgba(255, 255, 255, 0.7),
    transparent 45%
  );
  mix-blend-mode: overlay;
  opacity: 0.8;
  animation: logoShinePulse 3s ease-in-out infinite;
}

.brand-logo__shine::after {
  content: "";
  position: absolute;
  inset: -20%;
  background: linear-gradient(
    105deg,
    transparent 42%,
    rgba(255, 255, 255, 0.45) 50%,
    transparent 58%
  );
  animation: logoShineSweep 4.5s ease-in-out infinite;
}

/* SVG layer 3D motion */
.brand-logo__mark {
  transform-origin: 24px 24px;
  animation: logoMarkFloat 4.2s ease-in-out infinite;
}

.brand-logo__page-l {
  transform-origin: 24px 22px;
  animation: logoPageLeft 3.6s ease-in-out infinite;
}

.brand-logo__page-r {
  transform-origin: 24px 22px;
  animation: logoPageRight 3.6s ease-in-out infinite;
}

.brand-logo__crescent {
  transform-origin: 24px 9px;
  animation: logoCrescentGlow 3s ease-in-out infinite;
}

.brand-logo__star {
  transform-origin: 24px 10px;
  animation: logoStarPulse 2.2s ease-in-out infinite;
}

.brand-logo__spine {
  animation: logoSpineGlow 2.5s ease-in-out infinite;
}

.brand-logo__noor {
  transform-origin: 24px 12px;
  animation: logoNoorPulse 3.5s ease-in-out infinite;
}

.brand-logo__mihrab {
  animation: logoMihrabGlow 3s ease-in-out infinite;
}

.brand-logo__bookmark {
  transform-origin: 33px 22px;
  animation: logoBookmarkSway 4s ease-in-out infinite;
}

.brand-logo__ayah--l,
.brand-logo__ayah--r {
  animation: logoAyahFade 3s ease-in-out infinite;
}

.brand-logo__ayah--r {
  animation-delay: -1.5s;
}

.brand-logo__star-ring {
  transform-origin: 24px 9.8px;
  animation: logoStarRing 2.8s ease-in-out infinite;
}

@keyframes logoRingSpin {
  to { transform: rotate(360deg); }
}

@keyframes logoRingPulse {
  0%, 100% { opacity: 0.82; filter: drop-shadow(0 0 6px rgba(16, 185, 129, 0.3)); }
  50% { opacity: 1; filter: drop-shadow(0 0 12px rgba(251, 191, 36, 0.45)); }
}

@keyframes logoShineSweep {
  0%, 100% { transform: translateX(-80%) rotate(12deg); opacity: 0.3; }
  50% { transform: translateX(80%) rotate(12deg); opacity: 0.7; }
}

@keyframes logoNoorPulse {
  0%, 100% { opacity: 0.25; transform: scale(0.98); }
  50% { opacity: 0.45; transform: scale(1.04); }
}

@keyframes logoMihrabGlow {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

@keyframes logoBookmarkSway {
  0%, 100% { transform: rotate(-2deg) translateZ(10px); }
  50% { transform: rotate(2deg) translateZ(14px); }
}

@keyframes logoAyahFade {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.65; }
}

@keyframes logoStarRing {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.08); }
}

@keyframes logoGlowPulse {
  0%, 100% { opacity: 0.55; transform: scale(0.96); }
  50% { opacity: 1; transform: scale(1.06); }
}

@keyframes logoMarkFloat {
  0%, 100% { transform: translateY(0) translateZ(8px) rotateX(0deg); }
  50% { transform: translateY(-2px) translateZ(14px) rotateX(2deg); }
}

@keyframes logoPageLeft {
  0%, 100% { transform: translateZ(6px) rotateY(-10deg); }
  50% { transform: translateZ(12px) rotateY(-5deg); }
}

@keyframes logoPageRight {
  0%, 100% { transform: translateZ(8px) rotateY(10deg); }
  50% { transform: translateZ(14px) rotateY(5deg); }
}

@keyframes logoCrescentGlow {
  0%, 100% { opacity: 0.92; filter: brightness(1); }
  50% { opacity: 1; filter: brightness(1.15); }
}

@keyframes logoStarPulse {
  0%, 100% { opacity: 0.9; transform: scale(1) translateZ(16px); }
  50% { opacity: 1; transform: scale(1.12) translateZ(20px); }
}

@keyframes logoSpineGlow {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 0.85; }
}

@keyframes logoShinePulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.9; }
}

/* Hover boost */
.navbar__logo:hover .brand-logo__stage,
.footer__logo:hover .brand-logo__stage,
.dashboard__sidebar-brand:hover .brand-logo__stage,
.auth-card__brand:hover .brand-logo__stage {
  transform: rotateX(var(--logo-tilt-y)) rotateY(var(--logo-tilt-x)) scale(1.04);
}

/* Parents must not clip the ring */
.navbar,
.navbar__inner,
.navbar__logo,
.footer__logo,
.footer__brand,
.auth-card__brand,
.dashboard__sidebar-brand {
  overflow: visible;
}

.navbar__logo {
  align-items: center;
}

.navbar__logo:hover .brand-logo__glow,
.footer__logo:hover .brand-logo__glow {
  opacity: 1;
}

.page-loader__logo .brand-logo--md {
  --logo-size: 72px;
  --logo-svg: 64px;
  --logo-bleed: 16px;
}

@media (prefers-reduced-motion: reduce) {
  .brand-logo__stage {
    transition: none;
    transform: none !important;
  }

  .brand-logo__mark,
  .brand-logo__page-l,
  .brand-logo__page-r,
  .brand-logo__crescent,
  .brand-logo__star,
  .brand-logo__noor,
  .brand-logo__mihrab,
  .brand-logo__bookmark,
  .brand-logo__ayah--l,
  .brand-logo__ayah--r,
  .brand-logo__star-ring,
  .brand-logo__ring,
  .brand-logo__glow,
  .brand-logo__shine,
  .brand-logo__shine::after {
    animation: none !important;
  }
}