/* Photos — modern flat design */
.photos-app {
  height: 100%;
  overflow: auto;
  background: var(--space-bg-window, var(--surface-solid));
}

.photos-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  padding: 16px;
}

.photos-empty,
.photos-hint {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--space-text-tertiary, #9ca3af);
  padding: 24px;
}

.photos-hint {
  font-size: 12px;
  padding-top: 0;
  font-weight: 500;
}

.photos-thumb {
  margin: 0;
  cursor: default;
  border-radius: var(--space-radius-md, 10px);
  overflow: hidden;
  border: 1px solid var(--space-border-subtle, rgba(0,0,0,0.06));
  background: var(--space-bg-card, #fff);
  transition: transform 0.15s var(--space-ease-spring), box-shadow 0.15s ease;
  box-shadow: var(--space-shadow-xs, 0 1px 2px rgba(0,0,0,0.04));
}

.photos-thumb:hover {
  transform: scale(1.02) translateY(-2px);
  box-shadow: var(--space-shadow-md, 0 8px 24px rgba(0,0,0,0.1));
  border-color: var(--space-border-default, rgba(0,0,0,0.1));
}

.photos-thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.photos-thumb figcaption {
  font-size: 11px;
  padding: 8px 10px;
  background: rgba(0, 0, 0, 0.55);
  color: var(--space-text-inverse, #fff);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

.photos-viewer {
  position: fixed;
  inset: 0;
  z-index: 20000;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.photos-viewer img {
  max-width: min(92vw, 1100px);
  max-height: 78vh;
  border-radius: var(--space-radius-lg, 12px);
  box-shadow: var(--space-shadow-xl, 0 24px 64px rgba(0,0,0,0.16));
  border: 1px solid rgba(255,255,255,0.1);
}

.photos-viewer-caption {
  color: rgba(255, 255, 255, 0.9);
  margin-top: 14px;
  font-size: 13px;
  font-weight: 500;
}

.photos-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 32px 16px;
}

.photos-empty-state .app-btn {
  margin-top: 14px;
}

.photos-viewer.hidden {
  display: none;
}

.photos-viewer-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: var(--space-text-inverse, #fff);
  font-size: 28px;
  line-height: 1;
  cursor: default;
  backdrop-filter: blur(12px);
  transition: background 0.15s ease, transform 0.15s ease;
}

.photos-viewer-nav:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-50%) scale(1.08);
}

.photos-viewer-prev { left: 20px; }
.photos-viewer-next { right: 20px; }

.photos-viewer-counter {
  color: rgba(255, 255, 255, 0.75);
  font-size: 12px;
  margin-top: 8px;
  font-weight: 500;
}

.photos-viewer-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: var(--space-text-inverse, #fff);
  font-size: 22px;
  cursor: default;
  backdrop-filter: blur(12px);
  transition: background 0.15s ease, transform 0.15s ease;
}

.photos-viewer-close:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.08);
}