.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-md);
  font-size: 0.95rem;
  font-weight: 500;
  background: var(--c-glass);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  transition: all var(--tx-med);
  backdrop-filter: blur(10px);
}

.btn:hover {
  background: var(--c-blue);
  border-color: var(--c-blue);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.btn--primary {
  background: var(--c-blue);
  border-color: var(--c-blue);
}

.btn--primary:hover {
  background: var(--c-blue-2);
  border-color: var(--c-blue-2);
}

.btn--danger {
  background: rgba(255, 107, 157, 0.25);
  border-color: var(--c-coral);
  color: var(--c-coral);
}

.btn--danger:hover {
  background: var(--c-coral);
  border-color: var(--c-coral);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  border-color: var(--c-border);
}

.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--c-glass);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  color: var(--c-text);
  font-size: 1rem;
  transition: all var(--tx-fast);
  font-family: var(--f-mono);
  letter-spacing: 0.1em;
}

.input:focus {
  outline: none;
  border-color: var(--c-cyan);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 3px rgba(128, 222, 234, 0.2);
}

.input::placeholder { color: var(--c-text-mute); }

.card {
  background: var(--c-glass);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-1);
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--r-sm);
  font-size: 0.75rem;
  font-family: var(--f-mono);
  background: var(--c-glass);
  border: 1px solid var(--c-border);
  color: var(--c-cyan);
  letter-spacing: 0.05em;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-border), transparent);
  margin: var(--sp-6) 0;
}

.spinner {
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid var(--c-glass);
  border-top-color: var(--c-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.error-msg {
  color: var(--c-coral-2);
  font-size: 0.9rem;
  margin-top: var(--sp-2);
  min-height: 1.4em;
}

.lang-toggle {
  position: fixed;
  top: var(--sp-4);
  right: var(--sp-4);
  z-index: 100;
  font-size: 0.85rem;
  font-family: var(--f-mono);
}

.lang-toggle button {
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  background: var(--c-glass);
  border: 1px solid var(--c-border);
  color: var(--c-text-dim);
  transition: all var(--tx-fast);
}

.lang-toggle button.active {
  background: var(--c-cyan);
  color: var(--c-deep);
  border-color: var(--c-cyan);
}

.lang-toggle button:not(.active):hover {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
}

/* ---- Modern Gallery ---- */

.gallery-modern {
  --g-gap: 8px;
  --g-radius: 12px;
}

/* 1 photo — constrained hero */
.gallery-hero {
  position: relative;
  max-height: 400px;
  max-width: 720px;
  margin: 0 auto;
  border-radius: var(--g-radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--c-deep-2);
  border: 1px solid var(--c-border);
  transition: border-color var(--tx-fast), box-shadow var(--tx-med);
}

.gallery-hero:hover {
  border-color: var(--c-cyan);
  box-shadow: 0 0 28px rgba(128, 222, 234, 0.18);
}

.gallery-hero img {
  width: 100%;
  height: 100%;
  max-height: 400px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.gallery-hero:hover img {
  transform: scale(1.03);
}

.gallery-hero__count {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(10, 37, 64, 0.85);
  backdrop-filter: blur(8px);
  color: var(--c-cyan);
  font-family: var(--f-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid rgba(128, 222, 234, 0.3);
  pointer-events: none;
}

/* 2 photos — side by side */
.gallery-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--g-gap);
}

.gallery-dual__item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--g-radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--c-deep-2);
  border: 1px solid var(--c-border);
  transition: border-color var(--tx-fast), box-shadow var(--tx-med);
}

.gallery-dual__item:hover {
  border-color: var(--c-cyan);
  box-shadow: 0 0 22px rgba(128, 222, 234, 0.15);
}

.gallery-dual__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-dual__item:hover img {
  transform: scale(1.05);
}

/* 3+ photos — featured grid */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--g-gap);
}

.gallery-grid__item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--g-radius);
  overflow: hidden;
  cursor: pointer;
  background: var(--c-deep-2);
  border: 1px solid var(--c-border);
  transition: border-color var(--tx-fast), box-shadow var(--tx-med);
}

.gallery-grid__item:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16/9;
}

.gallery-grid__item:hover {
  border-color: var(--c-cyan);
  box-shadow: 0 0 22px rgba(128, 222, 234, 0.15);
}

.gallery-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-grid__item:hover img {
  transform: scale(1.05);
}

/* ---- Lightbox v2 ---- */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(4, 20, 38, 0.96);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9000;
  backdrop-filter: blur(24px);
  cursor: default;
}

.lightbox.open { display: flex; }

.lightbox__stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 64px 24px 20px;
  position: relative;
}

.lightbox__img {
  max-width: 92vw;
  max-height: 72vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 4px 60px rgba(0, 0, 0, 0.5);
  transition: opacity 0.25s ease;
}

.lightbox__counter {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--f-mono);
  font-size: 0.8rem;
  color: var(--c-text-dim);
  background: rgba(10, 37, 64, 0.7);
  padding: 4px 14px;
  border-radius: 20px;
  border: 1px solid rgba(128, 222, 234, 0.2);
  pointer-events: none;
}

.lightbox__btn {
  position: absolute;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(10, 37, 64, 0.7);
  border: 1px solid rgba(128, 222, 234, 0.25);
  color: var(--c-text);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--tx-fast);
  z-index: 2;
  backdrop-filter: blur(8px);
  line-height: 1;
}

.lightbox__btn:hover {
  background: var(--c-cyan);
  color: var(--c-deep-0);
  border-color: var(--c-cyan);
}

.lightbox__close {
  top: 16px;
  right: 16px;
  font-size: 1.6rem;
}

.lightbox__prev {
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__thumb-strip {
  display: flex;
  gap: 6px;
  padding: 12px 24px 20px;
  overflow-x: auto;
  max-width: 100%;
  justify-content: center;
  scrollbar-width: none;
}

.lightbox__thumb-strip::-webkit-scrollbar { display: none; }

.lightbox__thumb {
  width: 56px;
  height: 42px;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.5;
  transition: all var(--tx-fast);
  flex-shrink: 0;
}

.lightbox__thumb:hover {
  opacity: 0.8;
  border-color: rgba(128, 222, 234, 0.4);
}

.lightbox__thumb.is-active {
  opacity: 1;
  border-color: var(--c-cyan);
}

.lightbox__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Media blocks (video) */
.media-block {
  margin-bottom: var(--sp-3);
}

.media-block iframe,
.media-video {
  width: 100%;
  border-radius: 12px;
  background: #000;
  border: 1px solid var(--c-border);
  aspect-ratio: 16 / 9;
}

.media-block--link {
  text-align: center;
  padding: var(--sp-6) var(--sp-5);
  background: var(--c-glass);
  border: 1px solid var(--c-border);
  border-radius: 12px;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 37, 64, 0.96);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9000;
  padding: var(--sp-5);
  backdrop-filter: blur(20px);
  cursor: pointer;
}

.lightbox.open { display: flex; }

.lightbox__img {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--r-md);
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.5);
  cursor: default;
}

.lightbox__btn {
  position: absolute;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--c-glass);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--tx-fast);
  z-index: 1;
}

.lightbox__btn:hover { background: var(--c-cyan); color: var(--c-deep-0); }
.lightbox__btn--prev { left: var(--sp-4); top: 50%; transform: translateY(-50%); }
.lightbox__btn--next { right: var(--sp-4); top: 50%; transform: translateY(-50%); }
.lightbox__close { top: var(--sp-4); right: var(--sp-4); }

/* ---- QR component ---- */

.qr-wrap {
  display: inline-block;
  background: #fff;
  padding: var(--sp-2);
  border-radius: 8px;
  line-height: 0;
}

.qr-img {
  width: 160px;
  height: 160px;
}

.qr-url {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  color: var(--c-text-dim);
  margin: var(--sp-2) 0;
  word-break: break-all;
}

.qr-actions {
  display: flex;
  gap: var(--sp-2);
  justify-content: center;
  flex-wrap: wrap;
}

@media print {
  .qr-actions { display: none; }
}

/* ---- Skeleton loading ---- */

.skeleton {
  background: linear-gradient(90deg, var(--c-glass) 25%, rgba(128, 222, 234, 0.08) 50%, var(--c-glass) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--r-md);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--c-glass);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
}

.skeleton-card__circle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex-shrink: 0;
}

.skeleton-card__lines {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.skeleton-card__line {
  height: 14px;
  border-radius: 4px;
}

.skeleton-card__line--short { width: 60%; }

/* ---- Error state ---- */

.error-state {
  text-align: center;
  padding: var(--sp-8) var(--sp-5);
  color: var(--c-text-dim);
}

.error-state__icon {
  font-size: 2.5rem;
  margin-bottom: var(--sp-3);
}

.error-state__text {
  margin-bottom: var(--sp-4);
  font-size: 0.95rem;
}

/* ---- Admin batch actions ---- */

.admin-toolbar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.admin-toolbar__left {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.admin-toolbar__right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.admin-table__cb {
  width: 20px;
  height: 20px;
  accent-color: var(--c-cyan);
  cursor: pointer;
}

.batch-delete-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: rgba(255, 107, 157, 0.12);
  border: 1px solid var(--c-coral);
  border-radius: var(--r-md);
  margin-bottom: var(--sp-3);
  animation: fadeIn 200ms ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}