/*
 * style.css
 * Shared stylesheet for Until Labs Histology
 * Used by: index.php, records.php, viewer.php
 */

/* ── Variables & Reset ── */
:root {
  --bg:         #f5f0eb;
  --surface:    #ede8e2;
  --surface2:   #e4ddd6;
  --border:     #d4ccc4;
  --border2:    #b8afa6;
  --accent:     #e8521a;
  --accent-dim: #7a2a0d;
  --text:       #1a1714;
  --muted:      #6b6259;
  --muted2:     #9e9188;
  --row-hover:  #e8e2db;
  --record-bg:  #eee8e2;
  --error:      #c0392b;
  --topbar-h:   90px;
  --mono: 'DM Mono', monospace;
  --sans: 'DM Sans', sans-serif;
  --depth0: #e8521a;
  --depth1: #c94010;
  --depth2: #a33010;
  --depth3: #9e9188;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  min-height: 100vh;
  padding-top: var(--topbar-h);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* ── Top bar ── */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.topbar-row1 {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.65rem 1.75rem;
  border-bottom: 1px solid var(--border);
}
.topbar-row2 {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 1.75rem;
}
.topbar-logo {
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent);
  white-space: nowrap;
  letter-spacing: 0.03em;
}
.topbar-divider {
  width: 1px;
  height: 20px;
  background: var(--border2);
  flex-shrink: 0;
}
.topbar-nav { display: flex; gap: 0.25rem; }
.topbar-meta {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  white-space: nowrap;
  margin-left: auto;
}

/* ── Nav links ── */
.nav-link {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border-radius: 5px;
  border: 1px solid transparent;
  transition: all 0.15s;
  white-space: nowrap;
}
.nav-link:hover  { color: var(--accent); border-color: var(--accent-dim); }
.nav-link.active { color: var(--accent); border-color: var(--accent-dim); background: #e8521a18; }

/* ── Buttons ── */
.btn {
  background: transparent;
  border: 1px solid var(--border2);
  border-radius: 5px;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.35rem 0.75rem;
  transition: all 0.15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }

.view-btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 4px;
  padding: 0.15rem 0.5rem;
  text-decoration: none;
  vertical-align: middle;
  transition: background 0.15s, color 0.15s;
}
.view-btn:hover { background: var(--accent); color: #fff; }

/* ── Search ── */
#search {
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.4rem 0.75rem;
  outline: none;
  width: 200px;
  transition: border-color 0.2s;
}
#search:focus { border-color: var(--accent); }
#search::placeholder { color: var(--muted2); }

/* ── Main content area ── */
.main { padding: 2rem 1.75rem; }

/* ── Error banner ── */
.error-banner {
  background: #f9e8e8;
  border: 1px solid var(--error);
  border-radius: 8px;
  color: var(--error);
  font-family: var(--mono);
  font-size: 0.8rem;
  margin-bottom: 1.5rem;
  padding: 1rem 1.25rem;
}

/* ── Empty state ── */
.empty {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  padding: 3rem 0;
  text-align: center;
}

/* ════════════════════════════════════════
   records.php — Table
   ════════════════════════════════════════ */
.table-wrap {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
thead { background: var(--surface); }
th {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
th:hover  { color: var(--accent); }
th.sorted { color: var(--accent); }
tbody tr { border-bottom: 1px solid var(--border); transition: background 0.15s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--row-hover); }
td { padding: 0.8rem 1rem; vertical-align: top; line-height: 1.5; }
td.mono         { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); }
td.id-cell      { font-family: var(--mono); font-size: 0.72rem; color: var(--accent); width: 50px; }
td.name-cell    { font-weight: 600; }
td.comment-cell { max-width: 220px; color: var(--muted); font-size: 0.8rem; font-style: italic; }
.empty-row td {
  text-align: center;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 3rem 1rem;
}

/* ════════════════════════════════════════
   index.php — Tree
   ════════════════════════════════════════ */
.tree { display: flex; flex-direction: column; gap: 0.25rem; }
.loc-node { padding-left: var(--indent); }
.loc-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
  user-select: none;
}
.loc-header:hover { background: var(--surface2); }
.loc-toggle {
  font-size: 0.7rem;
  color: var(--muted);
  width: 12px;
  display: inline-block;
  transition: transform 0.2s;
}
.loc-toggle.collapsed { transform: rotate(-90deg); }
.loc-icon { font-size: 0.65rem; width: 14px; text-align: center; }
.depth-0 .loc-icon { color: var(--depth0); }
.depth-1 .loc-icon { color: var(--depth1); }
.depth-2 .loc-icon { color: var(--depth2); }
.depth-3 .loc-icon { color: var(--depth3); }
.loc-name { font-family: var(--mono); font-size: 0.8rem; font-weight: 500; flex: 1; }
.depth-0 .loc-name { color: var(--depth0); }
.depth-1 .loc-name { color: var(--depth1); }
.depth-2 .loc-name { color: var(--depth2); }
.depth-3 .loc-name { color: var(--text); }
.loc-badge {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--muted);
  background: var(--surface2);
  border: 1px solid var(--border2);
  border-radius: 10px;
  padding: 0.1rem 0.45rem;
}
.loc-body { overflow: hidden; transition: max-height 0.25s ease; }
.loc-body.collapsed { max-height: 0 !important; }
.loc-node.hidden { display: none; }

.records-list {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.25rem 0 0.25rem 1.75rem;
}
.record-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--record-bg);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.15s;
}
.record-card:hover { border-color: var(--border2); }
.record-card.open  { border-color: var(--accent-dim); }
.record-summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.85rem;
}
.record-id   { font-family: var(--mono); font-size: 0.65rem; color: var(--accent); }
.record-name { font-size: 0.82rem; font-weight: 400; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.record-date { font-family: var(--mono); font-size: 0.65rem; color: var(--muted); white-space: nowrap; margin-left: auto; }
.record-author { font-family: var(--mono); font-size: 0.65rem; color: var(--muted); white-space: nowrap; }
.record-detail { display: none; border-top: 1px solid var(--border); padding: 0.85rem; background: var(--surface); }
.record-detail.open { display: block; }
.detail-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0.75rem; }
.detail-item { display: flex; flex-direction: column; gap: 0.2rem; }
.detail-item.full-width { grid-column: 1 / -1; }
.detail-label { font-family: var(--mono); font-size: 0.6rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.detail-value { font-family: var(--mono); font-size: 0.75rem; color: var(--text); }
.detail-value.comment { font-family: var(--sans); font-style: italic; color: var(--muted); font-size: 0.78rem; }

/* ════════════════════════════════════════
   viewer.php — Viewer topbar overrides
   ════════════════════════════════════════ */
body.viewer-page { padding-top: 0; background: #ffffff; }
.viewer-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 52px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.25rem;
  z-index: 100;
}
.back-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.3rem 0.7rem;
  transition: all 0.15s;
  white-space: nowrap;
}
.back-btn:hover { color: var(--accent); border-color: var(--accent); }
.topbar-location {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar-sep {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--muted2);
  flex-shrink: 0;
}
.topbar-name {
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.15rem 0.45rem;
  white-space: nowrap;
}
.slider-wrap { display: flex; align-items: center; gap: 0.6rem; margin-left: auto; flex-shrink: 0; }
.slider-label { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); white-space: nowrap; }
#slider { width: 120px; height: 6px; }
#rotation-val { font-family: var(--mono); font-size: 0.75rem; color: var(--accent); width: 36px; text-align: right; }
#openseadragon1 { position: fixed; top: 52px; left: 0; right: 0; bottom: 0; }

/* jQuery UI slider overrides */
.ui-slider { background: #555048 !important; border: none !important; border-radius: 4px !important; }
.ui-slider-handle { background: #e8521a !important; border: none !important; border-radius: 3px !important; width: 10px !important; height: 18px !important; top: -6px !important; outline: none !important; }
.ui-slider-range { background: #e8521a !important; opacity: 0.3; }

/* ════════════════════════════════════════
   Responsive
   ════════════════════════════════════════ */
@media (max-width: 700px) {
  .topbar-row1 { gap: 0.75rem; padding: 0.5rem 1rem; }
  .topbar-row2 { padding: 0.4rem 1rem; }
  .topbar-meta { display: none; }
  .record-summary { grid-template-columns: 40px 1fr auto; }
  .record-date, .record-author { display: none; }
}