/* ==========================================================================
   UniStudy brand logo — unified presentation across the platform
   ========================================================================== */

.uni-brand-logo {
  --uni-brand-logo-h: 58px;
  --uni-brand-plate-radius: 0.9rem;
  --uni-brand-ring: rgba(37, 99, 235, 0.42);
  --uni-brand-ring-2: rgba(6, 182, 212, 0.38);
  --uni-brand-plate-bg: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.72) 0%,
    rgba(248, 250, 252, 0.55) 55%,
    rgba(241, 245, 249, 0.48) 100%
  );
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: inherit;
  vertical-align: middle;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
  min-height: var(--uni-brand-logo-h);
  line-height: 0;
}

.uni-brand-logo__plate {
  position: absolute;
  inset: 0;
  border-radius: var(--uni-brand-plate-radius);
  background: var(--uni-brand-plate-bg);
  border: 1px solid rgba(148, 163, 184, 0.28);
  box-shadow:
    0 10px 22px -18px rgba(15, 23, 42, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.42) inset;
  backdrop-filter: blur(8px) saturate(125%);
  -webkit-backdrop-filter: blur(8px) saturate(125%);
  pointer-events: none;
  z-index: 0;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.uni-brand-logo__plate::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    var(--uni-brand-ring),
    var(--uni-brand-ring-2),
    rgba(16, 185, 129, 0.4)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.55;
  transition: opacity 0.25s ease;
}

.uni-brand-logo__media {
  position: relative;
  z-index: 2;
  display: block;
  line-height: 0;
  flex-shrink: 0;
}

.uni-brand-logo__img {
  display: block;
  height: var(--uni-brand-logo-h);
  width: auto;
  max-width: min(220px, 42vw);
  min-height: var(--uni-brand-logo-h);
  object-fit: contain;
  object-position: center;
  opacity: 1;
  visibility: visible;
  position: relative;
  z-index: 2;
}

.uni-brand-logo__shine {
  position: absolute;
  inset: 0;
  border-radius: var(--uni-brand-plate-radius);
  overflow: hidden;
  pointer-events: none;
  z-index: 2;
}

.uni-brand-logo__shine::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 42%;
  left: -55%;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(255, 255, 255, 0.55) 48%,
    transparent 100%
  );
  opacity: 0;
  transform: skewX(-12deg);
}

.uni-brand-logo:hover .uni-brand-logo__shine::after,
.uni-brand-logo:focus-visible .uni-brand-logo__shine::after {
  animation: uni-brand-logo-shine 0.65s ease forwards;
}

.uni-brand-logo:hover,
.uni-brand-logo:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.uni-brand-logo:hover .uni-brand-logo__plate,
.uni-brand-logo:focus-visible .uni-brand-logo__plate {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow:
    0 14px 28px -16px rgba(37, 99, 235, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.5) inset;
}

.uni-brand-logo:hover .uni-brand-logo__plate::before,
.uni-brand-logo:focus-visible .uni-brand-logo__plate::before {
  opacity: 0.95;
}

@keyframes uni-brand-logo-shine {
  0% {
    left: -55%;
    opacity: 0;
  }
  18% {
    opacity: 0.85;
  }
  100% {
    left: 115%;
    opacity: 0;
  }
}

/* Variants */
.uni-brand-logo--header-desktop {
  --uni-brand-logo-h: 58px;
  --uni-brand-plate-bg: #ffffff;
  padding: 0.22rem 0.5rem;
  min-width: 130px;
}

.uni-brand-logo--header-mobile {
  --uni-brand-logo-h: clamp(50px, 7vw, 66px);
  --uni-brand-plate-bg: #ffffff;
  padding: 0.2rem 0.4rem;
  min-width: 120px;
}

.uni-brand-logo--header-desktop .uni-brand-logo__img,
.uni-brand-logo--header-mobile .uni-brand-logo__img {
  max-width: min(200px, 38vw);
}

.uni-brand-logo--preloader {
  --uni-brand-logo-h: clamp(52px, 14vw, 64px);
  --uni-brand-plate-radius: 1rem;
  padding: 0.35rem 0.5rem;
}

.uni-brand-logo--preloader.uni-brand-logo {
  animation: uni-brand-logo-preloader-pulse 2s ease-in-out infinite;
}

@keyframes uni-brand-logo-preloader-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.03);
  }
}

/* Login / password-reset forms (system, university, organization admin) */
.uni-brand-logo--admin-auth {
  --uni-brand-logo-h: clamp(2.75rem, 11vw, 4.25rem);
  --uni-brand-plate-bg: #ffffff;
  --uni-brand-plate-radius: 0.85rem;
  display: inline-flex;
  max-width: min(280px, 88vw);
  width: auto;
  margin: 0 auto;
  padding: 0.2rem 0.45rem;
  box-sizing: border-box;
  flex-shrink: 0;
  contain: layout;
}

.uni-brand-logo--admin-auth .uni-brand-logo__img {
  max-width: min(260px, 82vw);
  width: auto;
  height: var(--uni-brand-logo-h);
}

.uni-brand-logo--admin-auth:hover {
  transform: none;
}

.uni-brand-logo--admin-auth .uni-brand-logo__shine::after {
  display: none;
}

@media (min-width: 576px) {
  .uni-brand-logo--admin-auth {
    --uni-brand-logo-h: clamp(3rem, 8vw, 4.25rem);
    max-width: min(300px, 72%);
    padding: 0.22rem 0.5rem;
  }

  .uni-brand-logo--admin-auth .uni-brand-logo__img {
    max-width: min(280px, 100%);
  }
}

@media (min-width: 768px) {
  .uni-brand-logo--admin-auth {
    --uni-brand-logo-h: 4rem;
    max-width: 280px;
  }

  .uni-brand-logo--admin-auth .uni-brand-logo__img {
    max-width: 260px;
  }
}

@media (max-width: 399.98px) {
  .uni-brand-logo--admin-auth {
    --uni-brand-logo-h: clamp(2.35rem, 13vw, 3rem);
    max-width: min(220px, 92vw);
    padding: 0.15rem 0.3rem;
  }

  .uni-brand-logo--admin-auth .uni-brand-logo__img {
    max-width: min(200px, 88vw);
  }
}

/* System admin dashboard — sidebar logo */
.uni-brand-logo--admin-sidebar {
  --uni-brand-logo-h: calc(var(--hd-logo-size, 72px) - 16px);
  --uni-brand-plate-radius: 50%;
  display: block;
  width: var(--hd-logo-size, 72px);
  max-width: calc(100% - 12px);
  height: auto;
  margin: 0 auto 14px;
  padding: 8px;
  box-sizing: border-box;
  flex-shrink: 0;
}

.uni-brand-logo--admin-sidebar .uni-brand-logo__plate {
  background:
    radial-gradient(
      circle at 30% 30%,
      rgba(255, 255, 255, 0.08) 0%,
      rgba(255, 255, 255, 0.02) 60%,
      rgba(217, 119, 6, 0.08) 100%
    );
  box-shadow:
    0 0 0 2px rgba(245, 158, 11, 0.35),
    0 0 0 6px rgba(245, 158, 11, 0.08),
    0 8px 22px rgba(217, 119, 6, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -2px 6px rgba(0, 0, 0, 0.18);
  animation: uni-brand-logo-sidebar-pulse 4.5s ease-in-out infinite;
}

.uni-brand-logo--admin-sidebar .uni-brand-logo__img {
  display: block;
  width: auto !important;
  height: auto !important;
  max-width: calc(var(--hd-logo-size, 72px) - 16px) !important;
  max-height: calc(var(--hd-logo-size, 72px) - 16px) !important;
  margin: 0 auto;
  object-fit: contain;
  object-position: center;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.25));
}

.uni-brand-logo--admin-sidebar:hover {
  transform: scale(1.05) rotate(-2deg);
}

.uni-brand-logo--admin-sidebar:hover .uni-brand-logo__plate {
  box-shadow:
    0 0 0 2px #fbbf24,
    0 0 0 8px rgba(245, 158, 11, 0.15),
    0 10px 30px rgba(217, 119, 6, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -2px 6px rgba(0, 0, 0, 0.18);
}

/* Flat nav header (system admin default) */
.luxury-sidebar.luxury-sidebar--nav-flat .uni-brand-logo--admin-sidebar {
  width: var(--hd-logo-size, 48px);
  max-width: calc(100% - 8px);
  --uni-brand-logo-h: calc(var(--hd-logo-size, 48px) - 12px);
  padding: 6px;
  margin-bottom: 8px;
}

.luxury-sidebar.luxury-sidebar--nav-flat .uni-brand-logo--admin-sidebar .uni-brand-logo__img {
  max-width: calc(var(--hd-logo-size, 48px) - 12px) !important;
  max-height: calc(var(--hd-logo-size, 48px) - 12px) !important;
}

/* Collapsed desktop sidebar */
.lx-pro-sidebar-collapsed .luxury-sidebar .uni-brand-logo--admin-sidebar,
.lx-pro-sidebar-collapsed .luxury-sidebar-logo.uni-brand-logo--admin-sidebar {
  width: 44px !important;
  max-width: 44px !important;
  --uni-brand-logo-h: 30px;
  padding: 4px !important;
  margin: 0 auto 6px !important;
}

.lx-pro-sidebar-collapsed .uni-brand-logo--admin-sidebar .uni-brand-logo__img {
  max-width: 34px !important;
  max-height: 34px !important;
}

/* Header user avatar when using site logo */
.luxury-user-trigger .luxury-user-avatar {
  flex-shrink: 0;
  object-fit: contain;
  background: #fff;
}

@keyframes uni-brand-logo-sidebar-pulse {
  0%,
  100% {
    box-shadow:
      0 0 0 2px rgba(245, 158, 11, 0.35),
      0 0 0 6px rgba(245, 158, 11, 0.08),
      0 8px 22px rgba(217, 119, 6, 0.28),
      inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -2px 6px rgba(0, 0, 0, 0.18);
  }
  50% {
    box-shadow:
      0 0 0 2px rgba(251, 191, 36, 0.55),
      0 0 0 10px rgba(245, 158, 11, 0.12),
      0 10px 28px rgba(217, 119, 6, 0.38),
      inset 0 1px 0 rgba(255, 255, 255, 0.14),
      inset 0 -2px 6px rgba(0, 0, 0, 0.18);
  }
}

.uni-brand-logo--org-header {
  --uni-brand-logo-h: 40px;
  --uni-brand-plate-bg: #ffffff;
  gap: 0.35rem;
  flex-direction: row;
  flex: 0 0 auto;
  flex-shrink: 0;
  max-width: 128px;
  contain: layout;
}

.uni-brand-logo--org-header .uni-brand-logo__img {
  max-width: 112px;
}

.uni-brand-logo--org-sidebar {
  --uni-brand-logo-h: clamp(40px, 10vw, 48px);
  padding: 0.25rem;
  margin-inline: auto;
}

.uni-brand-logo--inline {
  --uni-brand-logo-h: 48px;
}

/* Affix: shrink header logo when navbar is stuck */
html body.uni-ui .top-logo.affix .uni-brand-logo--header-desktop {
  --uni-brand-logo-h: 50px;
  transition: --uni-brand-logo-h 0.22s ease, transform 0.22s ease;
}

/* Integration with legacy wrappers */
.wed-logo {
  overflow: visible !important;
}

.wed-logo .uni-brand-logo,
.admin-uni-login-brand .uni-brand-logo,
.uni-auth-card .uni-brand-logo--admin-auth {
  max-width: 100%;
}

/* Dashboard headers — university + organization (exhibitions) */
.uni-header-logo,
.org-header-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  flex-shrink: 0;
  gap: 0.5rem;
  max-width: 100%;
  overflow: visible;
  text-decoration: none;
}

.org-header-logo .uni-brand-logo,
.uni-header-logo .uni-brand-logo {
  flex-shrink: 0;
}

.org-header-logo-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1 1 auto;
  min-width: 0;
  max-width: 11rem;
}

/* Desktop: fixed logo slot — avoid vw-based overlap */
@media (min-width: 992px) {
  .uni-header-logo .uni-brand-logo--org-header,
  .org-header-logo .uni-brand-logo--org-header {
    --uni-brand-logo-h: 40px;
    max-width: 128px;
    padding: 0.12rem 0.3rem;
  }

  .uni-header-logo .uni-brand-logo--org-header .uni-brand-logo__img,
  .org-header-logo .uni-brand-logo--org-header .uni-brand-logo__img {
    max-width: 112px;
  }

  .uni-header-logo .uni-brand-logo--org-header:hover,
  .org-header-logo .uni-brand-logo--org-header:hover {
    transform: none;
  }

  .org-header-logo {
    max-width: min(320px, 42%);
  }

  .org-header-logo-text {
    max-width: 9.5rem;
  }
}

@media (min-width: 1200px) {
  .org-header-logo-text {
    max-width: 12rem;
  }
}

/* ── System admin — desktop header layout (no overlap) ── */
@media (min-width: 1025px) {
  .luxury-header {
    flex-wrap: nowrap;
    gap: 1rem;
  }

  .luxury-header-left {
    flex: 1 1 auto;
    min-width: 0;
    max-width: calc(100% - 400px);
  }

  .luxury-header-right {
    flex: 0 0 auto;
    flex-shrink: 0;
    gap: 0.65rem;
  }

  .luxury-search {
    width: min(360px, 30vw);
    max-width: 100%;
    flex: 1 1 auto;
    min-width: 120px;
  }

  .luxury-user-trigger {
    max-width: min(240px, 22vw);
    min-width: 0;
  }

  .luxury-user-info {
    min-width: 0;
    overflow: hidden;
  }

  .luxury-user-name,
  .luxury-user-role {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 10rem;
  }
}

.wed-logo .uni-brand-logo__img {
  width: auto !important;
  height: var(--uni-brand-logo-h) !important;
}

/* Preloader card: logo only (no link wrapper in card layout) */
.uni-preloader__card .uni-brand-logo--preloader {
  margin-bottom: 0.15rem;
}

/* Dark theme (org / admin dashboards) */
html[data-theme="dark"] .uni-brand-logo__plate {
  --uni-brand-plate-bg: linear-gradient(
    145deg,
    rgba(30, 41, 59, 0.85) 0%,
    rgba(15, 23, 42, 0.75) 100%
  );
  border-color: rgba(148, 163, 184, 0.2);
  box-shadow:
    0 10px 24px -16px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

html[data-theme="dark"] .uni-brand-logo__plate::before {
  opacity: 0.4;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .uni-brand-logo,
  .uni-brand-logo__plate,
  .uni-brand-logo__plate::before,
  .uni-brand-logo__shine::after {
    transition: none;
    animation: none !important;
  }

  .uni-brand-logo:hover,
  .uni-brand-logo:focus-visible {
    transform: none;
  }

  .uni-brand-logo__shine::after {
    display: none;
  }
}

/* Admin sidebar — responsive (inherits --hd-logo-size from admin-sidebar-pro.css) */
@media (max-width: 1024px) {
  .uni-brand-logo--admin-sidebar {
    max-width: min(var(--hd-logo-size, 64px), calc(100% - 10px));
  }

  .uni-brand-logo--admin-sidebar:hover {
    transform: none;
  }
}

@media (max-width: 640px) {
  .uni-brand-logo--admin-sidebar {
    max-width: min(var(--hd-logo-size, 56px), calc(100% - 8px));
    padding: 6px;
    margin-bottom: 10px;
  }
}

@media (max-width: 420px) {
  .uni-brand-logo--header-mobile {
    --uni-brand-logo-h: 56px;
  }
}

/* ── University / Organization admin — responsive header logo ── */
@media (max-width: 1199.98px) {
  .uni-header-logo .uni-brand-logo--org-header,
  .org-header-logo .uni-brand-logo--org-header {
    --uni-brand-logo-h: clamp(32px, 4.8vw, 40px);
    padding: 0.18rem 0.35rem;
  }

  .uni-header-logo .uni-brand-logo--org-header .uni-brand-logo__img,
  .org-header-logo .uni-brand-logo--org-header .uni-brand-logo__img {
    max-width: min(140px, 30vw);
  }
}

@media (max-width: 991.98px) {
  .uni-header-logo .uni-brand-logo--org-header,
  .org-header-logo .uni-brand-logo--org-header {
    --uni-brand-logo-h: clamp(30px, 7vw, 38px);
  }

  .uni-header-logo .uni-brand-logo--org-header .uni-brand-logo__img,
  .org-header-logo .uni-brand-logo--org-header .uni-brand-logo__img {
    max-width: min(112px, 26vw);
  }

  .uni-brand-logo--org-sidebar {
    --uni-brand-logo-h: clamp(36px, 9vw, 44px);
  }
}

@media (max-width: 767.98px) {
  .uni-header-logo .uni-brand-logo--org-header,
  .org-header-logo .uni-brand-logo--org-header {
    --uni-brand-logo-h: clamp(28px, 6.5vw, 34px);
    padding: 0.12rem 0.28rem;
    --uni-brand-plate-radius: 0.65rem;
  }

  .uni-header-logo .uni-brand-logo--org-header .uni-brand-logo__img,
  .org-header-logo .uni-brand-logo--org-header .uni-brand-logo__img {
    max-width: min(92px, 22vw);
  }
}

@media (max-width: 575.98px) {
  .uni-header-logo .uni-brand-logo--org-header,
  .org-header-logo .uni-brand-logo--org-header {
    --uni-brand-logo-h: clamp(26px, 6vw, 32px);
  }

  .uni-header-logo .uni-brand-logo--org-header .uni-brand-logo__img,
  .org-header-logo .uni-brand-logo--org-header .uni-brand-logo__img {
    max-width: min(76px, 20vw);
  }

  .uni-brand-logo--org-sidebar {
    --uni-brand-logo-h: clamp(32px, 8vw, 40px);
  }
}

@media (max-width: 399.98px) {
  .uni-header-logo .uni-brand-logo--org-header .uni-brand-logo__img,
  .org-header-logo .uni-brand-logo--org-header .uni-brand-logo__img {
    max-width: min(64px, 18vw);
  }
}