/* ============================================================
   SWG Legends Resource Tracker — Cockpit aesthetic
   ============================================================ */

:root[data-theme="dark"] {
  --bg: #0c0e10;
  --bg-elev: #14171a;
  --bg-panel: #181c20;
  --bg-row: #14171a;
  --bg-row-alt: #16191d;
  --bg-row-hover: #1f242a;
  --bg-header-row: #0a0c0e;
  --border: #2a3038;
  --border-strong: #3b434c;
  --border-accent: #c8a04a;
  --text: #d6dde6;
  --text-dim: #8a96a3;
  --text-faint: #4f5862;
  --accent: #c8a04a;
  --accent-glow: rgba(200, 160, 74, 0.35);
  --accent-hot: #e8c46c;
  --signal-grey: #5a6470;
  --signal-green: #5db073;
  --signal-yellow: #d8c248;
  --signal-red: #e85a4f;
  --signal-poor: #6c7480;
  --chip-bg: #1d2228;
  --chip-bg-active: #c8a04a;
  --chip-text-active: #0c0e10;
  --shadow: 0 1px 0 rgba(255,255,255,0.02), 0 4px 18px rgba(0,0,0,0.5);
  --bg-pattern-opacity: 0.005;
}

:root[data-theme="light"] {
  --bg: #ece6d6;
  --bg-elev: #f4eedd;
  --bg-panel: #f8f3e3;
  --bg-row: #f4eedd;
  --bg-row-alt: #efe9d6;
  --bg-row-hover: #e2d9bf;
  --bg-header-row: #d8cda8;
  --border: #b8ac84;
  --border-strong: #8a7e58;
  --border-accent: #6f4e1f;
  --text: #1c1a14;
  --text-dim: #574e36;
  --text-faint: #8a7e58;
  --accent: #6f4e1f;
  --accent-glow: rgba(111, 78, 31, 0.25);
  --accent-hot: #5a3f17;
  --signal-grey: #8a7e58;
  --signal-green: #3d7a4a;
  --signal-yellow: #9c7a16;
  --signal-red: #a73524;
  --signal-poor: #9b9277;
  --chip-bg: #e5dec1;
  --chip-bg-active: #6f4e1f;
  --chip-text-active: #f8f3e3;
  --shadow: 0 1px 0 rgba(255,255,255,0.6), 0 4px 14px rgba(0,0,0,0.1);
  --bg-pattern-opacity: 0.0;
}

/* ============================================================ */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, Monaco, monospace;
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse at 50% -20%, var(--accent-glow), transparent 60%),
    repeating-linear-gradient(0deg, transparent 0, transparent 2px, rgba(255,255,255,var(--bg-pattern-opacity)) 2px, rgba(255,255,255,var(--bg-pattern-opacity)) 3px);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================================
   Topbar
   ============================================================ */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  font-size: 26px;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  background: var(--bg-panel);
  position: relative;
}
.brand-mark::before, .brand-mark::after {
  content: '';
  position: absolute;
  width: 5px;
  height: 5px;
  background: var(--accent);
}
.brand-mark::before { top: -1px; left: -1px; }
.brand-mark::after { bottom: -1px; right: -1px; }

.brand-name {
  font-family: 'Orbitron', 'JetBrains Mono', monospace;
  font-weight: 900;
  font-size: 16px;
  letter-spacing: 0.18em;
  color: var(--text);
}
.brand-name span { color: var(--accent); }
.brand-sub {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--text-faint);
  margin-top: 2px;
}

.topbar-controls {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
}
.status-row {
  display: flex;
  gap: 10px;
  font-size: 11px;
  align-items: baseline;
}
.status-label {
  color: var(--text-faint);
  letter-spacing: 0.15em;
  font-weight: 500;
  min-width: 100px;
}
.status-val {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.btn-refresh {
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  background: var(--bg-panel);
  border: 1px solid var(--border-accent);
  padding: 10px 18px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.btn-refresh:hover:not(:disabled) {
  background: var(--accent);
  color: var(--chip-text-active);
  box-shadow: 0 0 12px var(--accent-glow);
}
.btn-refresh:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  color: var(--text-faint);
  border-color: var(--border);
}
.btn-refresh .cooldown {
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  font-weight: 500;
  height: 11px;
}
.btn-refresh:disabled .cooldown { color: var(--signal-yellow); }

.btn-icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-icon:hover {
  color: var(--accent);
  border-color: var(--border-accent);
}

/* ============================================================
   Filter panel (sticky under topbar)
   ============================================================ */

.filter-panel {
  padding: 14px 24px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 67px;            /* topbar height */
  z-index: 90;
}

.filter-groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-label {
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--text-faint);
  font-weight: 500;
}

/* Class dropdown + clear-all + summary on one row */
.class-tree-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-summary {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  margin-left: auto;
}
.filter-summary strong {
  color: var(--accent);
  font-weight: 700;
}

.btn-link {
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.18em;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  padding: 5px 10px;
  font-weight: 500;
  transition: all 0.15s ease;
}
.btn-link:hover {
  color: var(--accent);
  border-color: var(--border-accent);
}

.chip-container {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  min-height: 28px;
  align-content: flex-start;
}

.chip {
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  background: var(--chip-bg);
  color: var(--text-dim);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.12s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  text-transform: capitalize;
}
.chip:hover {
  border-color: var(--border-accent);
  color: var(--text);
}
.chip.active {
  background: var(--chip-bg-active);
  color: var(--chip-text-active);
  border-color: var(--chip-bg-active);
  font-weight: 700;
}
.chip-x {
  display: none;
  font-size: 11px;
  font-weight: 700;
  margin-left: 2px;
  opacity: 0.7;
}
.chip.active .chip-x { display: inline; }

.class-tree-wrapper { position: relative; }

.class-tree-toggle {
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.05em;
  background: var(--chip-bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 5px 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.class-tree-toggle:hover { border-color: var(--border-accent); }

.class-tree-panel {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  background: var(--bg-panel);
  border: 1px solid var(--border-accent);
  padding: 14px;
  z-index: 50;
  width: min(560px, 90vw);
  max-height: 60vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.tree-search {
  width: 100%;
  font-family: inherit;
  font-size: 12px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 10px;
  margin-bottom: 10px;
  outline: none;
}
.tree-search:focus { border-color: var(--border-accent); }

.tree-node-children {
  margin-left: 14px;
  border-left: 1px dashed var(--border);
  padding-left: 10px;
}
.tree-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 4px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-dim);
  user-select: none;
}
.tree-row:hover { color: var(--text); background: var(--bg-row-hover); }
.tree-row.selected { color: var(--accent); font-weight: 700; }
.tree-toggle {
  width: 14px;
  display: inline-block;
  text-align: center;
  font-size: 10px;
  color: var(--text-faint);
}
.tree-leaf-mark {
  width: 14px;
  display: inline-block;
  color: var(--text-faint);
  font-size: 9px;
}

/* ============================================================
   Resource table
   ============================================================ */

main {
  padding: 0 24px 80px;
  min-height: calc(100vh - 200px);
}

.empty-state {
  margin: 80px auto;
  text-align: center;
  max-width: 480px;
  padding: 40px 24px;
  border: 1px dashed var(--border);
  background: var(--bg-elev);
}
.empty-title {
  font-family: 'Orbitron', monospace;
  font-size: 18px;
  letter-spacing: 0.3em;
  color: var(--accent);
  margin-bottom: 12px;
}
.empty-msg { color: var(--text-dim); font-size: 13px; }

.loading {
  margin: 80px auto;
  text-align: center;
  max-width: 360px;
}
.loading-bar {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  background-size: 200% 100%;
  animation: scan 1.4s linear infinite;
  margin-bottom: 14px;
}
@keyframes scan {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}
.loading-text {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--text-dim);
}

.table-wrapper {
  margin-top: 18px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
}

.resource-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 12px;
}

/* CRITICAL FIX: header is sticky and computes its top offset from the
   actual height of the topbar + filter panel via JS-set CSS variable.
   This ensures it never floats over rows. */
.resource-table thead th {
  position: sticky;
  top: var(--sticky-offset, 165px);
  background: var(--bg-header-row);
  border-bottom: 1px solid var(--border-accent);
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  padding: 10px 8px;
  text-align: left;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  z-index: 10;
}
.resource-table thead th:hover { color: var(--accent); }
.resource-table thead th.sorted {
  color: var(--accent);
  background: var(--bg-panel);
}
.resource-table thead th .sort-arrow {
  display: inline-block;
  width: 10px;
  margin-left: 4px;
  color: var(--accent);
  opacity: 0;
}
.resource-table thead th.sorted .sort-arrow { opacity: 1; }

.resource-table thead th.col-stat {
  text-align: right;
  width: 52px;
  padding: 10px 4px;
}
.resource-table thead th.col-name { width: 14%; min-width: 130px; }
.resource-table thead th.col-class { width: 16%; min-width: 140px; }
.resource-table thead th.col-planets { width: 14%; min-width: 130px; }
.resource-table thead th.col-date,
.resource-table thead th.col-age { width: 90px; white-space: nowrap; }

.resource-table tbody tr {
  background: var(--bg-row);
  border-bottom: 1px solid var(--border);
}
.resource-table tbody tr:nth-child(even) { background: var(--bg-row-alt); }
.resource-table tbody tr:hover { background: var(--bg-row-hover); }

.resource-table tbody td {
  padding: 7px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.resource-table .col-stat {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  padding: 7px 4px;
}

.cell-name {
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}
.cell-class {
  color: var(--text-dim);
  font-size: 11px;
}
.cell-planets {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: capitalize;
}
.cell-planets .planet-tag {
  display: inline-block;
  margin-right: 4px;
  padding: 1px 5px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.cell-date, .cell-age {
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
}

/* Stat cells */
.stat-cell { color: var(--signal-poor); font-weight: 500; cursor: help; }
.stat-cell.poor { color: var(--signal-poor); }
.stat-cell.fair { color: var(--signal-green); font-weight: 500; }
.stat-cell.good { color: var(--signal-yellow); font-weight: 600; }
.stat-cell.great { color: var(--signal-red); font-weight: 700; }
.stat-cell.na { color: var(--text-faint); cursor: default; }

/* ============================================================
   Footer
   ============================================================ */

.footer {
  padding: 18px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
  font-size: 11px;
  color: var(--text-faint);
  letter-spacing: 0.05em;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 12px; }
  .topbar-controls { width: 100%; flex-wrap: wrap; }
  .filter-groups { grid-template-columns: 1fr; }
  main { padding: 0 12px 40px; }
  .footer { padding: 14px 12px; flex-direction: column; }
  body { font-size: 12px; }
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }