:root {
  --bg: oklch(0.985 0.004 85);
  --paper: #ffffff;
  --plot-bg: #ffffff;
  --ink: oklch(0.18 0.01 260);
  --ink-2: oklch(0.30 0.01 260);
  --ink-3: oklch(0.50 0.01 260);
  --ink-4: oklch(0.70 0.01 260);
  --rule: oklch(0.90 0.005 260);
  --rule-2: oklch(0.94 0.003 260);
  --accent: oklch(0.55 0.14 255);
  --accent-2: oklch(0.72 0.10 255);
  --warn: oklch(0.60 0.18 40);
  --sans: 'Inter Tight', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

html[data-scviewer-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1420;
  --paper: #151c2a;
  --plot-bg: #111827;
  --ink: #f4f7fb;
  --ink-2: #d7deea;
  --ink-3: #9aa8bc;
  --ink-4: #66758c;
  --rule: #273246;
  --rule-2: #1d2636;
  --accent: oklch(0.74 0.14 225);
  --accent-2: oklch(0.68 0.12 210);
  --warn: oklch(0.72 0.16 55);
}

* { box-sizing: border-box; }
html, body, #root { height: 100%; margin: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 14.5px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

.app { display: flex; flex-direction: column; height: 100vh; }

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}
.brand .subtitle {
  color: var(--ink-3);
  font-size: 11.5px;
  padding-left: 10px;
  border-left: 1px solid var(--rule);
}
.tabs { margin-left: auto; display: flex; gap: 2px; background: var(--bg); padding: 3px; border-radius: 6px; border: 1px solid var(--rule); }
.tabs button {
  font: inherit;
  font-size: 12px;
  background: transparent;
  border: 0;
  padding: 5px 12px;
  color: var(--ink-3);
  border-radius: 4px;
  cursor: pointer;
}
.tabs button.on { background: var(--paper); color: var(--ink); box-shadow: 0 0 0 1px var(--rule); }
.mock-banner {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 4px 10px 4px 9px;
  border-radius: 999px;
  background: oklch(0.96 0.06 60);
  color: oklch(0.35 0.12 50);
  border: 1px solid oklch(0.85 0.10 60);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  font-weight: 600;
  cursor: help;
}
.mock-banner .pulse {
  width: 7px; height: 7px; border-radius: 999px;
  background: var(--warn);
  box-shadow: 0 0 0 0 oklch(0.60 0.18 40 / 0.6);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 oklch(0.60 0.18 40 / 0.55); }
  70% { box-shadow: 0 0 0 6px oklch(0.60 0.18 40 / 0); }
  100% { box-shadow: 0 0 0 0 oklch(0.60 0.18 40 / 0); }
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink-2);
  cursor: pointer;
  font: 700 17px var(--sans);
  line-height: 1;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: oklch(0.55 0.14 255 / 0.08);
}

/* ---------- Main grid ---------- */
.main {
  flex: 1;
  display: grid;
  grid-template-columns: 270px 1fr;
  min-height: 0;
}
.main.with-inspector {
  grid-template-columns: 270px 1fr 320px;
}

/* ---------- Spacecraft picker (top bar) ---------- */
.scpicker { position: relative; margin-left: 16px; }
.scpicker-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: inherit; font-size: 12.5px; font-weight: 500;
  padding: 6px 10px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  color: var(--ink);
  cursor: pointer;
  min-width: 220px;
}
.scpicker-btn:hover { border-color: var(--ink-4); }
.scpicker-btn .dot { width: 10px; height: 10px; }
.scpicker-name { flex: 1; text-align: left; }
.scpicker-chev { color: var(--ink-3); font-size: 10px; }
.scpicker-pop {
  position: absolute; top: calc(100% + 4px); left: 0;
  width: 300px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  box-shadow: 0 8px 24px oklch(0.18 0.01 260 / 0.12);
  z-index: 50;
  overflow: hidden;
}
.scpicker-search {
  width: 100%;
  font: inherit; font-size: 12.5px;
  padding: 9px 12px;
  border: 0;
  border-bottom: 1px solid var(--rule);
  outline: none;
  color: var(--ink);
  background: transparent;
}
.scpicker-list { max-height: 320px; overflow-y: auto; padding: 4px; }
.scpicker-empty { padding: 16px; color: var(--ink-4); font-size: 12px; text-align: center; }
.scpicker-item {
  width: 100%;
  display: flex; align-items: center; gap: 8px;
  padding: 7px 9px;
  font: inherit; font-size: 12.5px;
  background: transparent; border: 0;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  border-radius: 4px;
}
.scpicker-item:hover { background: var(--bg); }
.scpicker-item.on { background: oklch(0.55 0.14 255 / 0.10); color: var(--accent); font-weight: 600; }
.scpicker-item .dot { width: 9px; height: 9px; }
.scpicker-item-name { flex: 1; }
.scpicker-item-group {
  font-family: var(--mono); font-size: 10px;
  color: var(--ink-4); letter-spacing: 0.06em;
}

/* ---------- Sidebar ---------- */
.sidebar {
  border-right: 1px solid var(--rule);
  background: var(--paper);
  overflow-y: auto;
  padding: 4px 0;
}
.sb-section {
  padding: 14px 16px;
  border-bottom: 1px solid var(--rule);
}
.sb-section:last-child { border-bottom: 0; }
.sb-h {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  font-weight: 600;
  margin: 0 0 10px;
  display: flex; justify-content: space-between; align-items: center;
}
.sb-h .count { font-family: var(--mono); color: var(--ink-4); font-weight: 500; letter-spacing: 0; }
.sb-note { color: var(--ink-3); font-size: 11px; margin: 8px 0 0; }
.date-row { display: flex; gap: 8px; }
.date-row label { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.date-row label span { font-size: 10.5px; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.06em; }
.date-row input {
  font: inherit; font-family: var(--mono); font-size: 11.5px;
  padding: 5px 7px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink);
}
.date-row input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px oklch(0.55 0.14 255 / 0.2); }
.date-row + .date-row { margin-top: 6px; }

.presets {
  display: flex; flex-wrap: wrap; gap: 4px;
  margin-top: 10px;
}
.presets.nav-shift { margin-top: 6px; }
.preset {
  font: inherit; font-size: 11px;
  padding: 4px 9px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 4px;
  color: var(--ink-2);
  cursor: pointer;
  font-weight: 500;
}
.preset:hover { border-color: var(--accent); color: var(--accent); background: oklch(0.55 0.14 255 / 0.05); }
.preset.on {
  border-color: var(--accent);
  color: var(--accent);
  background: oklch(0.55 0.14 255 / 0.12);
  font-weight: 600;
}

.seg {
  display: flex; align-items: center; gap: 10px;
  margin-top: 10px;
}
.seg-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  font-weight: 600;
}
.seg-group {
  display: inline-flex;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 5px;
  padding: 2px;
}
.seg-group button {
  font: inherit; font-size: 11px; font-weight: 500;
  padding: 3px 10px;
  background: transparent;
  border: 0;
  color: var(--ink-3);
  cursor: pointer;
  border-radius: 3px;
}
.seg-group button.on {
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 0 0 1px var(--rule);
}

.warn {
  margin-top: 10px;
  padding: 6px 10px;
  background: oklch(0.96 0.06 60);
  border: 1px solid oklch(0.85 0.10 60);
  color: oklch(0.35 0.12 50);
  border-radius: 4px;
  font-size: 11px;
}

.dl-row { display: flex; gap: 8px; margin-top: 10px; }
.dl-btn {
  flex: 1;
  display: flex; flex-direction: column; align-items: flex-start;
  gap: 2px;
  padding: 8px 10px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 5px;
  color: var(--ink);
  cursor: pointer;
  font: inherit; font-size: 12px; font-weight: 600;
  text-align: left;
}
.dl-btn:hover { border-color: var(--accent); background: oklch(0.55 0.14 255 / 0.05); }
.dl-btn .dl-sub {
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 500;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Groups */
.group { margin-bottom: 4px; }
.group-head { display: flex; align-items: center; gap: 2px; }
.group-toggle {
  flex: 1;
  display: flex; align-items: center; gap: 7px;
  padding: 5px 4px;
  background: transparent; border: 0;
  font: inherit; font-size: 12px;
  color: var(--ink);
  cursor: pointer; text-align: left;
  border-radius: 4px;
}
.group-toggle:hover { background: var(--rule-2); }
.chev { display: inline-block; transition: transform 0.15s; color: var(--ink-3); font-size: 14px; width: 10px; text-align: center; }
.chev.open { transform: rotate(90deg); }
.dot { width: 9px; height: 9px; border-radius: 999px; flex-shrink: 0; }
.dot.xs { width: 7px; height: 7px; display: inline-block; margin-right: 6px; vertical-align: middle; }
.gname { flex: 1; font-weight: 500; }
.gcount { font-family: var(--mono); font-size: 10.5px; color: var(--ink-4); }
.group-all {
  width: 20px; height: 22px;
  background: transparent; border: 1px solid var(--rule);
  border-radius: 4px; cursor: pointer;
  font: inherit; color: var(--ink-3); font-size: 13px;
  padding: 0;
}
.group-all:hover { background: var(--bg); color: var(--ink); }
.sc-list { list-style: none; padding: 2px 0 2px 22px; margin: 0; }
.sc-list li label {
  display: flex; align-items: center; gap: 7px;
  padding: 3px 4px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 12px;
}
.sc-list li label:hover { background: var(--rule-2); }
.sc-list li.focused label { background: oklch(0.55 0.14 255 / 0.10); }
.sc-list li.focused .sc-name { color: var(--accent); font-weight: 600; }
.sc-list .sc-name { cursor: pointer; }
.sc-list .sc-name:hover { color: var(--accent); }
.sc-list input { margin: 0; accent-color: var(--accent); }
.sc-name { flex: 1; }
.sc-era {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-4);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.flags { display: flex; flex-direction: column; gap: 2px; }
.flag {
  display: flex; align-items: center; gap: 7px;
  padding: 4px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 12px;
}
.flag:hover { background: var(--rule-2); }
.flag input { margin: 0; accent-color: var(--accent); }

/* ---------- Canvas (center) ---------- */
.canvas {
  overflow-y: auto;
  padding: 14px;
  display: flex; flex-direction: column;
  gap: 14px;
  min-width: 0;
}

/* Subplot quick-nav */
.quicknav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  position: sticky; top: 0;
  z-index: 10;
}
.qn-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  font-weight: 600;
  margin-right: 6px;
}
.qn-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 9px;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 4px;
  font: inherit; font-size: 12px; font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
}
.qn-btn:hover { border-color: var(--accent); color: var(--accent); background: oklch(0.55 0.14 255 / 0.05); }
.qn-chip {
  font-family: var(--mono); font-size: 9.5px;
  font-weight: 700; letter-spacing: 0.06em;
  padding: 1px 4px;
  background: var(--ink); color: var(--paper);
  border-radius: 2px;
}
.flash { animation: flash 0.9s ease-out; }
@keyframes flash {
  0% { box-shadow: 0 0 0 0 oklch(0.55 0.14 255 / 0.5); }
  100% { box-shadow: 0 0 0 12px oklch(0.55 0.14 255 / 0); }
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.plot-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

/* Inspect picker bar */
.inspect-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  margin-bottom: 10px;
}
.inspect-label {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.inspect-select {
  flex: 1;
  height: 32px;
  font: 500 13.5px var(--sans);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 0 10px;
}
.inspect-select:focus {
  outline: 2px solid oklch(0.55 0.14 255 / 0.4);
  outline-offset: 0;
  border-color: oklch(0.55 0.14 255);
}
.inspect-clear {
  height: 32px;
  font: 500 12px var(--sans);
  color: var(--ink-2);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 0 12px;
  cursor: pointer;
  white-space: nowrap;
}
.inspect-clear:hover { background: var(--rule-2); }
.inspect-clear.on {
  border-color: var(--accent);
  color: var(--accent);
  background: oklch(0.55 0.14 255 / 0.08);
}
.inspect-3d-toggle {
  height: 34px;
  font: 700 12px var(--mono);
  letter-spacing: 0.03em;
  color: #ffffff;
  background: linear-gradient(135deg, oklch(0.58 0.16 262), oklch(0.62 0.18 225));
  border: 1px solid oklch(0.50 0.16 250);
  border-radius: 6px;
  padding: 0 14px;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 4px 12px oklch(0.40 0.14 250 / 0.28);
}
.inspect-3d-toggle:hover {
  filter: brightness(1.05);
}
.inspect-3d-toggle.on {
  background: linear-gradient(135deg, oklch(0.52 0.15 145), oklch(0.57 0.17 165));
  border-color: oklch(0.46 0.14 160);
}

/* Inspector close button */
.insp-title-block { flex: 1; min-width: 0; }
.insp-close {
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 4px;
  width: 26px; height: 26px;
  font: 600 18px/1 var(--sans);
  color: var(--ink-3);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.insp-close:hover { background: var(--rule-2); color: var(--ink); }

/* Inline epoch row */
.epoch-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 0 12px;
  border-bottom: 1px solid var(--rule);
}
.epoch-key {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--ink-3);
}
.epoch-val {
  font-size: 12.5px;
  color: var(--ink-2);
  font-weight: 500;
}

/* Year-CSV button accent */
.dl-btn.year { margin-top: 6px; }

/* ---------- Panel ---------- */
.panel {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.panel-head {
  display: flex; align-items: center;
  padding: 8px 10px;
  border-bottom: 1px solid var(--rule);
  gap: 8px;
  background: linear-gradient(to bottom, var(--paper), oklch(0.975 0.004 85));
}
html[data-scviewer-theme="dark"] .panel-head,
html[data-scviewer-theme="dark"] .three3d-head {
  background: linear-gradient(to bottom, var(--paper), var(--rule-2));
}
.panel-title { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.plane-chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 2px 5px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 3px;
}
.panel-name {
  font-size: 12px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.panel-unit {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-3);
  margin-left: auto;
}
.panel-actions { display: flex; gap: 2px; }
.panel-actions button {
  font: inherit; font-family: var(--mono); font-size: 10px;
  padding: 3px 6px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 3px;
  color: var(--ink-2);
  cursor: pointer;
  letter-spacing: 0.04em;
}
.panel-actions button:hover { background: var(--bg); border-color: var(--ink-4); color: var(--ink); }
.panel-select {
  font: inherit;
  font-size: 11px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--paper);
  color: var(--ink);
  padding: 3px 6px;
}
.plot-host { display: flex; align-items: center; justify-content: center; padding: 2px; }
.plot-svg { width: 100%; height: auto; display: block; max-width: 620px; }
.panel-wide { grid-column: 1 / -1; }
.panel-wide .plot-svg { max-width: 100%; }
.plot-svg .sc-dot { cursor: pointer; }
.plot-svg .sc-dot:hover { filter: brightness(1.1); }
.panel-3d .plot-host-3d {
  width: 100%;
  min-height: 560px;
}

.three3d-shell {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
}
.three3d-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(to bottom, var(--paper), oklch(0.975 0.004 85));
}
.three3d-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
}
.three3d-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.three3d-actions button {
  font: inherit;
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 8px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 3px;
  color: var(--ink-2);
  cursor: pointer;
  letter-spacing: 0.04em;
}
.three3d-actions button:hover { background: var(--bg); border-color: var(--ink-4); color: var(--ink); }
.three3d-host {
  min-height: 560px;
  height: 560px;
  background: var(--plot-bg);
  overflow: auto;
}

.loading-overlay {
  position: fixed;
  top: 78px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 25;
  margin: 0;
  width: max-content;
  max-width: 92%;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: oklch(0.2 0.02 260 / 0.95);
  color: #fff;
  font: 600 12px var(--sans);
  letter-spacing: 0.01em;
  box-shadow: 0 8px 24px oklch(0.14 0.01 260 / 0.3);
}
.loading-spinner {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 2px solid oklch(0.9 0.01 260 / 0.35);
  border-top-color: #fff;
  animation: spin 0.9s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.row-sym {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px;
  vertical-align: -4px;
  margin-right: 8px;
}
.insp-sym {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
}

/* ---------- Inspector ---------- */
.inspector {
  border-left: 1px solid var(--rule);
  background: var(--paper);
  overflow-y: auto;
  padding: 16px;
}
.inspector.empty { display: flex; align-items: center; justify-content: center; padding: 24px; }
.empty-hint {
  color: var(--ink-4);
  font-size: 12px;
  text-align: center;
  max-width: 180px;
}
.inspector header {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}
.inspector header .dot { width: 12px; height: 12px; }
.sc-title { font-size: 14px; font-weight: 600; }
.sc-sub { font-size: 11px; color: var(--ink-3); font-family: var(--mono); }
.inspector section {
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}
.inspector section:last-child { border-bottom: 0; }
.inspector h4 {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  font-weight: 600;
  margin: 0 0 8px;
}
.kv { width: 100%; font-size: 11.5px; border-collapse: collapse; }
.kv td { padding: 3px 0; }
.kv td:first-child { color: var(--ink-3); width: 42px; }
.num { font-family: var(--mono); text-align: right; }
.dim { color: var(--ink-3); }
.mono { font-family: var(--mono); font-size: 11.5px; }

/* ---------- Positions table ---------- */
.table-wrap {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: auto;
}
.table-wrap.compact {
  border-radius: 5px;
}
.ptable-compact {
  font-size: 11px;
}
.ptable-compact thead th,
.ptable-compact tbody td {
  padding: 5px 7px;
}
.ptable { width: 100%; border-collapse: collapse; font-size: 12px; }
.ptable thead th {
  text-align: left;
  padding: 8px 12px;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  font-weight: 600;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  position: sticky; top: 0;
  white-space: nowrap;
}
.ptable thead th.sorted { color: var(--accent); }
.ptable thead th.sorted.asc::after { content: ' ↑'; }
.ptable thead th.sorted.desc::after { content: ' ↓'; }
.ptable tbody td {
  padding: 6px 12px;
  border-bottom: 1px solid var(--rule-2);
}
.ptable tbody tr { cursor: pointer; }
.ptable tbody tr:hover { background: var(--bg); }
.ptable tbody tr.sel { background: oklch(0.55 0.14 255 / 0.08); }
.ptable tbody tr.sel td:first-child { box-shadow: inset 2px 0 0 var(--accent); }

/* ---------- Backend tab ---------- */
.backend { overflow-y: auto; padding: 40px 24px; }
.backend-inner { max-width: 780px; margin: 0 auto; }
.backend h2 { font-size: 22px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 12px; }
.backend .lede { font-size: 14px; color: var(--ink-2); margin: 0 0 28px; max-width: 60ch; }
.backend section { margin-bottom: 28px; }
.backend h3 { font-size: 13px; font-weight: 600; margin: 0 0 10px; }
.backend p { color: var(--ink-2); max-width: 70ch; }
.backend code { font-family: var(--mono); font-size: 12px; background: var(--bg); padding: 1px 4px; border-radius: 3px; }
.code {
  font-family: var(--mono);
  font-size: 11.5px;
  background: var(--ink);
  color: oklch(0.94 0.01 260);
  padding: 14px 16px;
  border-radius: 6px;
  overflow-x: auto;
  line-height: 1.55;
}
.list { padding-left: 18px; color: var(--ink-2); }
.list li { margin-bottom: 4px; }
.endpoints {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  margin-top: 6px;
}
.endpoints th, .endpoints td {
  text-align: left;
  vertical-align: top;
  padding: 8px 10px;
  border-bottom: 1px solid var(--rule);
}
.endpoints th {
  font-weight: 600;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  background: var(--bg);
}
.endpoints td:first-child code {
  white-space: nowrap;
}
.endpoints td { color: var(--ink-2); }

/* ---------- Focus modal ---------- */
.modal {
  position: fixed; inset: 0;
  background: oklch(0.18 0.01 260 / 0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  padding: 24px;
}
.modal-inner {
  background: var(--paper);
  border-radius: 8px;
  padding: 16px;
  position: relative;
  box-shadow: 0 20px 60px oklch(0.18 0.01 260 / 0.3);
}
.modal-close {
  position: absolute; top: 10px; right: 10px;
  width: 28px; height: 28px;
  background: transparent; border: 1px solid var(--rule);
  border-radius: 4px;
  font-size: 16px; cursor: pointer;
  color: var(--ink-3);
  z-index: 2;
}
.modal-close:hover { background: var(--bg); color: var(--ink); }
.focus-host { display: block; }
.focus-host svg { display: block; max-width: 100%; max-height: 80vh; }