:root {
  --paper: #f7f2e7;
  --paper-dark: #ece4d1;
  --ink-navy: #17233d;
  --ink-navy-light: #24365c;
  --accent: #b3742c;
  --accent-light: #d4954a;
  --danger: #a3341f;
  --danger-light: #c44a30;
  --text: #262117;
  --text-muted: #6b6250;
  --border: #ddd2b8;
  --radius: 10px;
  --shadow: 0 2px 10px rgba(23, 35, 61, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.5;
}

h1, h2, h3 { font-family: 'Oswald', sans-serif; letter-spacing: 0.02em; margin: 0 0 0.4em; }

a { color: var(--ink-navy); }

.topnav {
  background: var(--ink-navy);
  color: var(--paper);
  box-shadow: var(--shadow);
}
.topnav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.brand {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--paper);
  text-decoration: none;
}
.brand span { color: var(--accent-light); }
.topnav nav a {
  color: var(--paper);
  text-decoration: none;
  margin-left: 18px;
  font-weight: 500;
  font-size: 0.95rem;
  opacity: 0.9;
}
.topnav nav a:hover { opacity: 1; text-decoration: underline; }

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.section { margin-bottom: 40px; }
.section-narrow { max-width: 420px; }
.section-title {
  font-size: 1.5rem;
  color: var(--ink-navy);
  border-bottom: 2px solid var(--border);
  padding-bottom: 8px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.badge-private {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6em;
  background: var(--danger);
  color: #fff;
  padding: 3px 8px;
  border-radius: 6px;
  vertical-align: middle;
}

.empty-msg { color: var(--text-muted); }

.album-grid, .photo-grid, .admin-photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 18px;
}

.album-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform 0.15s ease;
}
.album-card:hover { transform: translateY(-3px); }
.album-cover { aspect-ratio: 4/3; background: var(--paper-dark); overflow: hidden; }
.album-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.album-cover-empty { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--text-muted); font-size: 0.85rem; }
.album-meta { padding: 10px 12px; display: flex; flex-direction: column; gap: 2px; }
.album-title { font-weight: 600; color: var(--ink-navy); }
.album-count { font-size: 0.8rem; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }

.section-locked { text-align: center; }
.unlock-cta {
  display: inline-block;
  background: var(--ink-navy);
  color: var(--paper);
  padding: 12px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 500;
}

.back-link { display: inline-block; margin-bottom: 16px; color: var(--ink-navy); text-decoration: none; font-weight: 500; }
.album-desc { color: var(--text-muted); margin-bottom: 20px; }

.photo-card { margin: 0; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.photo-link { display: block; position: relative; aspect-ratio: 1/1; background: var(--paper-dark); }
.photo-link img { width: 100%; height: 100%; object-fit: cover; display: block; }
.photo-badge { position: absolute; top: 8px; right: 8px; background: rgba(23,35,61,0.75); color: #fff; padding: 2px 6px; border-radius: 6px; font-size: 0.8rem; }
.photo-card figcaption { padding: 8px 10px; display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 0.82rem; }
.photo-card figcaption span { color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.download-link { color: var(--accent); text-decoration: none; font-weight: 500; white-space: nowrap; }

.lightbox {
  position: fixed; inset: 0; background: rgba(15, 20, 33, 0.92);
  display: flex; align-items: center; justify-content: center; flex-direction: column;
  z-index: 100; padding: 20px;
}
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 90vw; max-height: 80vh; border-radius: 6px; box-shadow: 0 10px 40px rgba(0,0,0,0.5); }
.lightbox-caption { color: var(--paper); margin-top: 14px; font-size: 0.95rem; }
.lightbox-close {
  position: absolute; top: 18px; right: 24px; background: none; border: none;
  color: var(--paper); font-size: 2rem; cursor: pointer; line-height: 1;
}

.auth-form { display: flex; flex-direction: column; gap: 12px; max-width: 320px; }
.auth-form input, .auth-form select, .auth-form textarea {
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px; font-family: inherit; font-size: 1rem;
}
.auth-form label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--text-muted); }
.auth-form button, .stack-form button, .inline-form button {
  background: var(--ink-navy); color: var(--paper); border: none; padding: 10px 16px;
  border-radius: 6px; font-weight: 600; cursor: pointer; font-family: 'Inter', sans-serif;
}
.auth-form button:hover, .stack-form button:hover { background: var(--ink-navy-light); }

.form-error { color: #fff; background: var(--danger); padding: 10px 14px; border-radius: 6px; max-width: 420px; }
.form-notice { color: #fff; background: #3a7a4a; padding: 10px 14px; border-radius: 6px; max-width: 420px; }

.admin-bar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  background: var(--paper-dark); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 16px; margin-bottom: 24px; font-size: 0.9rem;
}
.admin-bar a { text-decoration: none; margin-left: 14px; font-weight: 500; }

.inline-form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
.inline-form input[type=text], .inline-form select {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font-family: inherit;
}
.stack-form { display: flex; flex-direction: column; gap: 12px; max-width: 460px; }
.stack-form label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--text-muted); }
.stack-form input, .stack-form select, .stack-form textarea {
  padding: 9px 11px; border: 1px solid var(--border); border-radius: 6px; font-family: inherit; font-size: 0.95rem;
}

.admin-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.admin-table th, .admin-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); text-align: left; font-size: 0.9rem; }
.admin-table th { background: var(--paper-dark); color: var(--ink-navy); }
.admin-actions a { margin-right: 12px; text-decoration: none; font-weight: 500; }

.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 600;
  border: none; cursor: pointer; font-family: 'JetBrains Mono', monospace;
}
.badge-public { background: #2f6b3f; color: #fff; }
.badge-private { background: var(--danger); color: #fff; }

.admin-photo-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.admin-photo-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; }
.admin-photo-body { padding: 8px 10px; display: flex; flex-direction: column; gap: 8px; }
.caption-form { display: flex; gap: 6px; }
.caption-form input { flex: 1; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px; font-size: 0.82rem; }
.caption-form button { border: none; background: var(--paper-dark); border-radius: 6px; cursor: pointer; }
.admin-photo-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 0.8rem; }
.admin-photo-actions form { display: inline; }

.btn-danger, .btn-danger-sm {
  background: var(--danger); color: #fff; border: none; border-radius: 6px; cursor: pointer; font-weight: 600;
}
.btn-danger { padding: 9px 16px; }
.btn-danger-sm { padding: 4px 9px; font-size: 0.78rem; }
.btn-danger:hover, .btn-danger-sm:hover { background: var(--danger-light); }

.site-footer { text-align: center; color: var(--text-muted); font-size: 0.8rem; padding: 20px; }

@media (max-width: 600px) {
  .album-grid, .photo-grid, .admin-photo-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
}