:root {
  --bg: #12141a;
  --bg-alt: #1c1f28;
  --text: #f1f1f4;
  --text-muted: #9aa0ac;
  --accent: #5b8cff;
  --card-radius: 10px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  padding: 1rem 1.5rem;
  background: var(--bg-alt);
  border-bottom: 1px solid #2a2e3a;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.logout-form {
  margin: 0;
}

.logout-btn {
  background: none;
  border: 1px solid #2a2e3a;
  color: var(--text-muted);
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
}

.logout-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

.site-main {
  padding: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.breadcrumb {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.breadcrumb a:hover {
  color: var(--accent);
}

h1 {
  margin-top: 0;
}

.empty-state {
  color: var(--text-muted);
  text-align: center;
  padding: 3rem 1rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.gallery-card {
  display: block;
  background: var(--bg-alt);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.gallery-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.gallery-card-thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #05060a;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.gallery-card-link {
  display: block;
  width: 100%;
  height: 100%;
}

.gallery-card-thumb img,
.gallery-card-thumb video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.gallery-card-placeholder {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.thumb-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2.4rem;
  height: 2.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-size: 1rem;
  padding-left: 0.2rem;
  pointer-events: none;
}

.thumb-download-btn {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.35rem 0 0.4rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0));
  opacity: 0.85;
  transition: opacity 0.15s ease;
}

.gallery-card-thumb:hover .thumb-download-btn {
  opacity: 1;
}

.thumb-download-btn:hover {
  color: var(--accent);
}

.gallery-card-info {
  padding: 0.6rem 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.gallery-card-title {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gallery-card-count {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.gallery-card-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.album-meta {
  display: flex;
  gap: 1.2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.album-description {
  color: var(--text-muted);
  max-width: 60ch;
  margin-bottom: 1.5rem;
}

.btn-download,
.btn-download-album {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}

.btn-download:hover,
.btn-download-album:hover {
  background: #4373e6;
}

.btn-download-album {
  margin-bottom: 1.5rem;
}

/* Visionneuse photo */
.photo-viewer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.photo-viewer-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  border-radius: var(--card-radius);
  min-height: 60vh;
  overflow: hidden;
}

.photo-zoom-container {
  width: 100%;
  height: 70vh;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-in;
}

.photo-zoom-container.zoomed {
  cursor: zoom-out;
  align-items: flex-start;
  justify-content: flex-start;
}

.photo-zoom-container img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  transition: transform 0.15s ease;
  user-select: none;
}

.photo-zoom-container video {
  max-width: 100%;
  max-height: 70vh;
  cursor: default;
}

.photo-zoom-container.zoomed img {
  max-width: none;
  max-height: none;
  transform-origin: 0 0;
}

.photo-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  padding: 0.5rem 0.9rem;
  background: rgba(0, 0, 0, 0.45);
  border-radius: 50%;
  z-index: 2;
}

.photo-nav:hover {
  background: rgba(0, 0, 0, 0.7);
  color: var(--accent);
}

.photo-nav-prev {
  left: 1rem;
}

.photo-nav-next {
  right: 1rem;
}

.photo-download-btn {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  z-index: 2;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  background: rgba(0, 0, 0, 0.55);
}

.photo-download-btn:hover {
  background: rgba(0, 0, 0, 0.8);
  color: var(--accent);
}

.photo-position,
.photo-zoom-hint {
  text-align: center;
  color: var(--text-muted);
  margin: 0;
  font-size: 0.85rem;
}

.photo-metadata {
  background: var(--bg-alt);
  border-radius: var(--card-radius);
  padding: 1rem 1.5rem;
}

.photo-metadata dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.4rem 1rem;
  margin: 0;
}

.photo-metadata dt {
  color: var(--text-muted);
}

.photo-metadata dd {
  margin: 0;
}

/* Page de connexion */
.login-page {
  max-width: 360px;
  margin: 3rem auto;
  text-align: center;
}

.login-hint {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.login-error {
  color: #ff6b6b;
  margin-bottom: 1rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: left;
}

.login-form label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.login-form input[type='password'] {
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  border: 1px solid #2a2e3a;
  background: var(--bg-alt);
  color: var(--text);
  font-size: 1rem;
}

.login-form button {
  margin-top: 0.5rem;
  padding: 0.6rem 1rem;
  border: none;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.login-form button:hover {
  background: #4373e6;
}