/* ─── ПЕРЕМЕННЫЕ ТЕМ ─────────────────────────────────────────── */
:root, [data-theme="dark"] {
  --bg:          #0d0d0d;
  --bg-sidebar:  #0a0a0a;
  --border:      #1e1e1e;
  --text:        #ccc;
  --text-dim:    #444;
  --text-muted:  #666;
  --accent:      #fff;
  --overlay-bg:  rgba(0,0,0,0.65);
}
[data-theme="light"] {
  --bg:          #f5f5f5;
  --bg-sidebar:  #fff;
  --border:      #e0e0e0;
  --text:        #333;
  --text-dim:    #aaa;
  --text-muted:  #bbb;
  --accent:      #000;
  --overlay-bg:  rgba(255,255,255,0.75);
}

/* ─── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }

/* ─── LAYOUT ─────────────────────────────────────────────────── */
body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }

.site { display: flex; min-height: 100vh; }

/* ─── SIDEBAR ────────────────────────────────────────────────── */
.sidebar {
  width: 160px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 20px 0;
}

.sidebar-logo {
  padding: 0 16px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.sidebar-logo a {
  display: block;
  font-family: monospace;
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--accent);
}
.sidebar-logo span {
  display: block;
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-top: 2px;
}

.sidebar-nav { flex: 1; }

.nav-country {
  display: block;
  padding: 7px 16px;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}
.nav-country:hover { color: var(--text); }
.nav-country.open  { color: var(--accent); }
.nav-country .arrow { font-size: 7px; }

.nav-series {
  display: block;
  padding: 4px 16px 4px 26px;
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--text-dim);
}
.nav-series:hover  { color: var(--text); }
.nav-series.active { color: var(--accent); }

.sidebar-footer {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sidebar-contacts {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sidebar-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sidebar-footer a {
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--text-dim);
}
.sidebar-footer a:hover { color: var(--text); }

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
  width: 24px;
  height: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle:hover { color: var(--text); border-color: var(--text-muted); }

/* ─── MAIN ───────────────────────────────────────────────────── */
.main { flex: 1; padding: 24px; overflow: hidden; }

/* ─── GALLERY HEADER ─────────────────────────────────────────── */
.gallery-header { margin-bottom: 16px; }
.gallery-label { font-size: 9px; letter-spacing: 3px; color: var(--text-muted); font-family: monospace; }

/* ─── MASONRY ────────────────────────────────────────────────── */
.masonry {
  columns: 3;
  column-gap: 8px;
}

/* ─── PHOTO CARD ─────────────────────────────────────────────── */
.photo-card {
  display: block;
  break-inside: avoid;
  margin-bottom: 8px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.photo-card img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
  background: var(--border);
  min-height: 80px;
}
.photo-card:hover img { transform: scale(1.02); }

.photo-overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay-bg);
  opacity: 0;
  transition: opacity 0.2s;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 12px;
}
.photo-card:hover .photo-overlay { opacity: 1; }

.photo-title { font-size: 10px; letter-spacing: 1px; color: var(--accent); font-family: monospace; }
.photo-date  { font-size: 8px; color: var(--text-muted); margin-top: 2px; }

/* ─── PHOTO PAGE ─────────────────────────────────────────────── */
.photo-page { display: flex; flex-direction: column; gap: 16px; }

.photo-page-back a {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--text-dim);
  font-family: monospace;
}
.photo-page-back a:hover { color: var(--text); }

.photo-page-image img {
  width: 100%;
  height: auto;
  max-height: 70vh;
  object-fit: contain;
  background: var(--bg);
}

.photo-page-info {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
}

.photo-page-title { font-size: 18px; color: var(--accent); letter-spacing: 1px; font-weight: 400; }
.photo-page-loc   { font-size: 9px; letter-spacing: 2px; color: var(--text-dim); font-family: monospace; margin-top: 4px; }

.photo-page-nav { display: flex; gap: 8px; }
.nav-btn {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 5px 12px;
  font-family: monospace;
  transition: border-color 0.15s, color 0.15s;
}
.nav-btn:hover { color: var(--accent); border-color: var(--text-muted); }

.photo-page-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; max-width: 560px; }

/* ─── ABOUT PAGE ─────────────────────────────────────────────── */
.about-page { max-width: 480px; padding-top: 12px; }
.about-title { font-size: 11px; letter-spacing: 4px; color: var(--text-muted); font-family: monospace; margin-bottom: 20px; }
.about-text  { font-size: 14px; color: var(--text); line-height: 1.8; margin-bottom: 24px; }
.about-contact { display: flex; flex-direction: column; gap: 6px; }
.about-label { font-size: 9px; letter-spacing: 3px; color: var(--text-dim); font-family: monospace; }
.about-link  { font-size: 13px; color: var(--text); }
.about-link:hover { color: var(--accent); }

/* ─── ADMIN ──────────────────────────────────────────────────── */
.admin-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.admin-login-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 240px;
}
.admin-logo { font-family: monospace; font-size: 13px; letter-spacing: 4px; color: var(--accent); }
.admin-sub  { font-size: 9px; letter-spacing: 3px; color: var(--text-dim); font-family: monospace; }
.admin-error { font-size: 11px; color: #c44; font-family: monospace; }

.admin-wrap { max-width: 720px; margin: 0 auto; padding: 24px; }

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.admin-logout, .admin-back { font-size: 9px; letter-spacing: 2px; color: var(--text-dim); font-family: monospace; }
.admin-logout:hover, .admin-back:hover { color: var(--text); }

.admin-section { margin-bottom: 32px; }
.admin-title { font-size: 9px; letter-spacing: 3px; color: var(--text-muted); font-family: monospace; margin-bottom: 16px; }
.admin-subtitle { font-size: 9px; letter-spacing: 2px; color: var(--text-dim); font-family: monospace; margin-bottom: 10px; margin-top: 24px; }
.admin-hint { font-size: 11px; color: var(--text-dim); margin-bottom: 16px; line-height: 1.6; }

.admin-country { margin-bottom: 24px; padding: 14px; border: 1px solid var(--border); }
.admin-country-name { font-size: 11px; color: var(--accent); font-family: monospace; letter-spacing: 1px; margin-bottom: 10px; }
.admin-series-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.admin-series-row { display: flex; justify-content: space-between; align-items: center; }
.admin-series-name { font-size: 10px; color: var(--text); }
.admin-link { font-size: 9px; letter-spacing: 1px; color: var(--text-dim); font-family: monospace; border: 1px solid var(--border); padding: 3px 8px; }
.admin-link:hover { color: var(--accent); border-color: var(--text-muted); }

.admin-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: flex-end; }
.admin-form--country { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--border); flex-direction: column; align-items: flex-start; }

.admin-input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 10px;
  font-size: 11px;
  font-family: monospace;
  outline: none;
  width: 100%;
}
.admin-input:focus { border-color: var(--text-muted); }
textarea.admin-input { resize: vertical; }

.admin-btn {
  background: none;
  border: 1px solid var(--text-dim);
  color: var(--text);
  padding: 6px 16px;
  font-size: 9px;
  letter-spacing: 2px;
  font-family: monospace;
  cursor: pointer;
  white-space: nowrap;
}
.admin-btn:hover { border-color: var(--accent); color: var(--accent); }
.admin-btn--danger { border-color: #3a1a1a; color: #c44; }
.admin-btn--danger:hover { border-color: #c44; color: #f55; }

.admin-photo-list { display: flex; flex-direction: column; gap: 8px; }
.admin-photo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border: 1px solid var(--border);
}
.admin-thumb { width: 80px; height: 50px; object-fit: cover; background: var(--border); flex-shrink: 0; }
.admin-photo-info { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.admin-photo-title { font-size: 11px; color: var(--text); }
.admin-photo-id { font-size: 9px; color: var(--text-dim); font-family: monospace; }

/* admin tags */
.admin-tag-list { display: flex; flex-direction: column; gap: 8px; }
.admin-tag-row { display: flex; align-items: center; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.admin-tag-info { display: flex; gap: 12px; flex: 1; align-items: center; }
.admin-tag-slug { font-size: 11px; font-family: monospace; color: var(--text-dim); letter-spacing: 1px; }
.admin-tag-label { font-size: 13px; color: var(--text); }
.admin-tags-error { font-size: 12px; color: #e55; margin-bottom: 12px; }
.admin-delete-form { flex-shrink: 0; }

/* upload form extras */
.admin-coords { display: flex; gap: 8px; }
.admin-coords .admin-input { flex: 1; }
.admin-tags-select { display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 8px 0; }
.admin-tag-check { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); cursor: pointer; }
.admin-tag-check input { cursor: pointer; }
.admin-photo-tags { font-size: 10px; color: var(--text-dim); font-family: monospace; letter-spacing: 1px; }

/* photo page tags */
.photo-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.photo-tag {
  font-size: 9px;
  letter-spacing: 2px;
  font-family: monospace;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 3px 10px;
  text-decoration: none;
}
.photo-tag:hover { color: var(--text); border-color: var(--text-muted); }

/* theme transition */
body,
.sidebar,
.sidebar-logo,
.sidebar-logo a,
.sidebar-logo span,
.sidebar-footer,
.sidebar-contacts,
.sidebar-footer-bottom,
.nav-country,
.nav-series,
.theme-toggle,
.photo-card,
.photo-overlay,
.nav-btn,
.photo-page-back a,
.photo-page-desc,
.gallery-label,
.gallery-header {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}