:root {
  --bg:      #05090f;
  --surface: #0b1320;
  --card:    #0f1a2b;
  --border:  #1b2d45;
  --border2: #243850;
  --cyan:    #00e5ff;
  --cyan-dim:#007a8a;
  --orange:  #ff7043;
  --green:   #00e676;
  --amber:   #ffc107;
  --purple:  #ce93d8;
  --text:    #b0bec5;
  --text-hi: #e0e8f0;
  --muted:   #455a6a;
  --drawer-bg: rgba(9, 16, 27, 0.94);
  --drawer-shadow: rgba(0, 0, 0, 0.28);
  --drawer-close-bg: rgba(255, 255, 255, 0.03);
  --drawer-card-bg: rgba(255, 255, 255, 0.035);
  --drawer-card-border: rgba(36, 56, 80, 0.9);
  --drawer-meta-bg: rgba(255, 255, 255, 0.02);
  --drawer-divider: rgba(36, 56, 80, 0.8);
  --drawer-asf-bg: rgba(0, 229, 255, 0.1);
  --drawer-cdse-bg: rgba(255, 112, 67, 0.1);
  /* Map overlays (stat cards, legend) sit on the CartoDB dark_all basemap,
     which stays dark in every theme — the per-theme filters only nudge
     brightness. So they keep a fixed dark panel and light text. The themed
     --text/--muted tokens are tuned for the surrounding UI chrome, which is
     light in some themes, and become unreadable on this panel. */
  --ov-bg:      rgba(11, 19, 32, .92);
  --ov-border:  rgba(122, 146, 173, .45);
  --ov-text:    #ccd8e4;
  --ov-text-hi: #f2f7fc;
  --ov-muted:   #93a7bb;
  --ov-accent:  #3de8ff;
  --ov-accent2: #ff8f63;
  --sidebar: 400px;
  --hdr:     52px;
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'Noto Sans TC', sans-serif;
  --font-bump: 4px;
}

:root[data-theme="night-ops"] {
  --bg:      #05090f;
  --surface: #0b1320;
  --card:    #0f1a2b;
  --border:  #1b2d45;
  --border2: #243850;
  --cyan:    #00e5ff;
  --cyan-dim:#007a8a;
  --orange:  #ff7043;
  --green:   #00e676;
  --amber:   #ffc107;
  --purple:  #ce93d8;
  --text:    #b0bec5;
  --text-hi: #e0e8f0;
  --muted:   #455a6a;
  --drawer-bg: rgba(9, 16, 27, 0.94);
  --drawer-shadow: rgba(0, 0, 0, 0.28);
  --drawer-close-bg: rgba(255, 255, 255, 0.03);
  --drawer-card-bg: rgba(255, 255, 255, 0.035);
  --drawer-card-border: rgba(36, 56, 80, 0.9);
  --drawer-meta-bg: rgba(255, 255, 255, 0.02);
  --drawer-divider: rgba(36, 56, 80, 0.8);
  --drawer-asf-bg: rgba(0, 229, 255, 0.1);
  --drawer-cdse-bg: rgba(255, 112, 67, 0.1);
}

:root[data-theme="paper-radar"] {
  --bg:      #f4efe4;
  --surface: #fbf7ed;
  --card:    #efe4d0;
  --border:  #d6c4a6;
  --border2: #bea884;
  --cyan:    #1f6f78;
  --cyan-dim:#6a8f93;
  --orange:  #b65d31;
  --green:   #2f7d4d;
  --amber:   #a97400;
  --purple:  #7d5fa3;
  --text:    #50483b;
  --text-hi: #241f17;
  --muted:   #8f806c;
  --drawer-bg: rgba(251, 247, 237, 0.97);
  --drawer-shadow: rgba(84, 60, 35, 0.14);
  --drawer-close-bg: rgba(255, 255, 255, 0.42);
  --drawer-card-bg: rgba(255, 252, 245, 0.92);
  --drawer-card-border: rgba(190, 168, 132, 0.9);
  --drawer-meta-bg: rgba(239, 228, 208, 0.88);
  --drawer-divider: rgba(214, 196, 166, 0.95);
  --drawer-asf-bg: rgba(31, 111, 120, 0.12);
  --drawer-cdse-bg: rgba(182, 93, 49, 0.12);
}

:root[data-theme="field-survey"] {
  --bg:      #0c1310;
  --surface: #131f18;
  --card:    #1a2a21;
  --border:  #294034;
  --border2: #385645;
  --cyan:    #86f0b6;
  --cyan-dim:#4f9b73;
  --orange:  #ff9b54;
  --green:   #9afc74;
  --amber:   #ffd166;
  --purple:  #b5a4ff;
  --text:    #c8d5cb;
  --text-hi: #eef5ef;
  --muted:   #7b9383;
  --drawer-bg: rgba(13, 22, 17, 0.95);
  --drawer-shadow: rgba(0, 0, 0, 0.24);
  --drawer-close-bg: rgba(255, 255, 255, 0.035);
  --drawer-card-bg: rgba(255, 255, 255, 0.04);
  --drawer-card-border: rgba(56, 86, 69, 0.92);
  --drawer-meta-bg: rgba(255, 255, 255, 0.025);
  --drawer-divider: rgba(56, 86, 69, 0.82);
  --drawer-asf-bg: rgba(134, 240, 182, 0.11);
  --drawer-cdse-bg: rgba(255, 155, 84, 0.11);
}

:root[data-theme="soft-slate"] {
  --bg:      #e9ece8;
  --surface: #f4f6f2;
  --card:    #edf0ea;
  --border:  #cfd5cd;
  --border2: #bcc5bc;
  --cyan:    #46656a;
  --cyan-dim:#7b9191;
  --orange:  #8b6b58;
  --green:   #5b7a62;
  --amber:   #8c7a4f;
  --purple:  #7f7a94;
  --text:    #4d554f;
  --text-hi: #273129;
  --muted:   #7d877d;
  --drawer-bg: rgba(244, 246, 242, 0.97);
  --drawer-shadow: rgba(71, 82, 71, 0.14);
  --drawer-close-bg: rgba(255, 255, 255, 0.52);
  --drawer-card-bg: rgba(255, 255, 255, 0.84);
  --drawer-card-border: rgba(188, 197, 188, 0.96);
  --drawer-meta-bg: rgba(237, 240, 234, 0.94);
  --drawer-divider: rgba(207, 213, 205, 0.96);
  --drawer-asf-bg: rgba(70, 101, 106, 0.11);
  --drawer-cdse-bg: rgba(139, 107, 88, 0.11);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body { font-family: var(--sans); background: var(--bg); color: var(--text); display: flex; flex-direction: column; }

/* ═══ HEADER ═══════════════════════════════════════════════════════════════ */
header {
  position: relative;
  min-height: var(--hdr);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  padding: 6px 18px;
  gap: 10px 18px;
  flex-shrink: 0;
  z-index: 200;
}

.hdr-logo {
  font-family: var(--mono);
  font-size: calc(12px + var(--font-bump));
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 3px;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.hdr-sep { width: 1px; height: 22px; background: var(--border); flex-shrink: 0; }

.hdr-status {
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump) - 1px);
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hdr-status b { color: var(--green); }

.hdr-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-left: auto;
}

/* Source-repo link. .hdr-controls carries margin-left:auto, so this trailing
   icon lands at the far right on desktop; on mobile the controls are hidden
   and it sits next to the database badge.

   The link wears .control-field with the Stats tab's spacer label, so the icon
   sits on the same baseline as the selects. Centring the bare <a> on the header
   line instead put it ~8px high: it split the difference over label+input while
   every neighbour's input sits below its label. */
/* Stretch to the control row's full height and let auto block margins centre
   the icon in what is left below the spacer. The icon box is 26px against a
   30px select, so matching only the field's top still left it ~2px high. */
.hdr-repo-field { align-self: stretch; }
.hdr-repo-field .hdr-repo { margin-block: auto; }
.hdr-repo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  border: 1px solid var(--border2);
  border-radius: 4px;
  color: var(--muted);
  transition: color .12s, border-color .12s, background .12s;
}
.hdr-repo:hover { color: var(--cyan); border-color: var(--cyan); background: color-mix(in srgb, var(--cyan) 10%, transparent); }
.hdr-repo svg { display: block; }
.tab {
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump) - 1px);
  letter-spacing: .05em;
  padding: 4px 12px;
  border: 1px solid var(--border2);
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color .12s, border-color .12s, background .12s;
}
.tab:hover { color: var(--text-hi); border-color: var(--cyan); }
.tab.on {
  background: color-mix(in srgb, var(--cyan) 12%, transparent);
  border-color: var(--cyan);
  color: var(--cyan);
}
.tab-stats {
  border-color: color-mix(in srgb, var(--orange) 60%, transparent);
  color: var(--orange);
}

/* invisible spacer label so Stats button bottom-aligns with Theme/Text-Size widgets */
.hdr-tabs-spacer {
  visibility: hidden;
  pointer-events: none;
  user-select: none;
}
.tab-stats:hover {
  border-color: var(--orange);
  background: color-mix(in srgb, var(--orange) 12%, transparent);
}

.lang-switch {
  position: relative;
  display: flex;
  min-width: 104px;
  border: 1px solid var(--border2);
  background: var(--card);
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump) - 1px);
  font-weight: 600;
  cursor: pointer;
  overflow: hidden;
  user-select: none;
}
.ls-opt {
  flex: 1;
  text-align: center;
  padding: 5px 8px;
  position: relative;
  z-index: 1;
  color: var(--muted);
  transition: color 0.18s;
  white-space: nowrap;
}
.ls-thumb {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: var(--cyan);
  transition: left 0.18s;
  left: 0;
  z-index: 0;
}
.lang-switch:not(.zh) .ls-en { color: var(--bg); }
.lang-switch.zh .ls-zh       { color: var(--bg); }
.lang-switch.zh .ls-thumb    { left: 50%; }

.control-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.control-field label {
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump) - 2px);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
}

.control-field select {
  min-width: 132px;
  padding: 5px 8px;
  border: 1px solid var(--border2);
  background: var(--card);
  color: var(--text-hi);
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump) - 1px);
}

.control-field select:focus {
  outline: none;
  border-color: var(--cyan);
}

.size-stepper {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border2);
  background: var(--card);
  min-width: 104px;
}
.size-step {
  padding: 5px 8px;
  border: none;
  background: transparent;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump) - 1px);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.12s;
  display: flex;
  align-items: center;
}
.size-step:first-child { border-right: 1px solid var(--border2); }
.size-step:last-child  { border-left:  1px solid var(--border2); }
.size-step:hover:not(:disabled) { background: rgba(0,229,255,.1); }
.size-step:disabled { color: var(--muted); cursor: default; }
.size-val {
  flex: 1;
  text-align: center;
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump) - 1px);
  font-weight: 700;
  color: var(--text-hi);
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
}


/* ═══ BODY LAYOUT ══════════════════════════════════════════════════════════ */
.layout { flex: 1; display: flex; overflow: hidden; }

/* ═══ SIDEBAR ══════════════════════════════════════════════════════════════ */
.sidebar {
  width: var(--sidebar);
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sb-head {
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sb-head h2 {
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump));
  letter-spacing: 2px;
  color: var(--cyan);
  text-transform: uppercase;
}
.sb-head .sub { font-size: calc(11px + var(--font-bump) - 1px); color: var(--muted); margin-top: 2px; }
/* filter chips */
.sb-filters {
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  flex-shrink: 0;
}
.chip {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  letter-spacing: .5px;
  padding: 3px 10px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all .12s;
}
.chip.on             { border-color: var(--cyan);   color: var(--cyan);   background: rgba(0,229,255,.07); }
.chip[data-b="C"].on { border-color: #00b4d8;       color: #00b4d8;       background: rgba(0,180,216,.07); }
.chip[data-b="L"].on { border-color: var(--purple);  color: var(--purple);  background: rgba(206,147,216,.07); }
.chip[data-b="X"].on { border-color: var(--orange);  color: var(--orange);  background: rgba(255,112,67,.07); }
.chip[data-b="S"].on { border-color: var(--amber);   color: var(--amber);   background: rgba(255,193,7,.07); }

.filter-panel {
  padding: 10px 16px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}
.filter-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-items: end;
}
.date-shortcuts {
  display: inline-flex;
  gap: 6px;
  align-self: start;
  justify-content: flex-start;
}
.date-shortcut {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  letter-spacing: .5px;
  padding: 7px 10px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all .12s;
  white-space: nowrap;
}
.date-shortcut.on {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0,229,255,.08);
}
.filter-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.filter-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.filter-field.wide {
  grid-column: 1 / -1;
}
.filter-field.span-2 {
  grid-column: span 2;
}
.filter-label {
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump) - 2px);
  letter-spacing: 1px;
  color: var(--muted);
  text-transform: uppercase;
}
.filter-select,
.filter-input {
  width: 100%;
  background: var(--card);
  color: var(--text-hi);
  border: 1px solid var(--border2);
  padding: 6px 8px;
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump) - 1px);
}
.filter-select:focus,
.filter-input:focus {
  outline: none;
  border-color: var(--cyan);
}
.format-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
/* Sub-heading above a chip row inside a filter section (NISAR options). */
.filter-sub-lbl {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--muted);
  margin: 8px 0 5px;
}
.filter-sub-lbl:first-child { margin-top: 0; }
.format-chip {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  letter-spacing: .4px;
  padding: 4px 9px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: all .12s;
}
.format-chip.on {
  border-color: var(--green);
  color: var(--green);
  background: rgba(0,230,118,.08);
}
.filter-actions {
  display: flex;
  align-items: center;
  gap: 6px 8px;
  flex-wrap: wrap;
}
.filter-section {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.filter-section summary {
  list-style: none;
  cursor: pointer;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  color: var(--text-hi);
}
.filter-section summary::-webkit-details-marker { display: none; }
.filter-section summary::after {
  content: '+';
  color: var(--cyan);
  font-size: calc(14px + var(--font-bump) - 1px);
}
.filter-section[open] summary::after { content: '-'; }
.filter-section-meta {
  color: var(--muted);
  font-size: calc(8px + var(--font-bump) - 2px);
}
.filter-section-body {
  padding: 0 10px 10px;
}
.filter-note {
  font-size: calc(9px + var(--font-bump) - 1px);
  color: var(--muted);
  line-height: 1.4;
}
.filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  color: var(--text);
}
.filter-toggle input {
  accent-color: var(--cyan);
}

/* satellite list */
.sb-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0 8px;
}
.sb-list::-webkit-scrollbar { width: 3px; }
.sb-list::-webkit-scrollbar-thumb { background: var(--border2); }

.group-label {
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump) - 2px);
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
  padding: 10px 16px 4px;
}

.sat-fold {
  margin: 8px 12px 0;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.02);
}

.sat-fold summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 14px;
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump) - 1px);
  color: var(--text-hi);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sat-fold summary::-webkit-details-marker { display: none; }
.sat-fold summary::after {
  content: '+';
  color: var(--cyan);
  font-size: calc(14px + var(--font-bump) - 1px);
}
.sat-fold[open] summary::after { content: '-'; }

.sat-fold-note {
  padding: 0 14px 10px;
  color: var(--muted);
  font-size: calc(10px + var(--font-bump) - 2px);
  line-height: 1.5;
}

.sat-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: all .12s;
  border-bottom: 1px solid rgba(27,45,69,.6);
}
.sat-row:hover  { background: rgba(0,229,255,.08); border-left-color: var(--cyan); }
.sat-row.active {
  background: linear-gradient(90deg, rgba(0,229,255,.22), rgba(0,229,255,.06));
  border-left-color: var(--cyan);
  box-shadow: inset 0 0 0 1px rgba(0,229,255,.2);
}

.featured-group .sat-row {
  padding: 4px 14px;
}
.featured-group .sat-name {
  font-size: calc(10px + var(--font-bump));
}
.featured-group .sat-meta {
  margin-top: 1px;
}

/* pulse dot */
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
}
.dot.op  { background: var(--green); box-shadow: 0 0 5px var(--green); }
.dot.op::after {
  content:''; position:absolute; inset:-3px; border-radius:50%;
  border: 1px solid var(--green);
  animation: pulse 2.5s ease-out infinite;
}
@keyframes pulse { 0%{opacity:.5;transform:scale(1)} 100%{opacity:0;transform:scale(2.2)} }
.dot.ret { background: var(--muted); }
.dot.up  { background: var(--amber); box-shadow: 0 0 5px var(--amber); }

.sat-info { flex: 1; min-width: 0; }
.sat-name { font-size: calc(11px + var(--font-bump)); font-weight: 700; color: var(--text-hi); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sat-meta { font-family: var(--mono); font-size: calc(8px + var(--font-bump) - 2px); color: var(--muted); margin-top: 2px; }

.badges { display: flex; gap: 3px; flex-shrink: 0; align-items: center; }
.badge {
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump) - 2px);
  padding: 1px 5px;
  border: 1px solid;
  letter-spacing: .3px;
}
.bC { border-color: #00b4d8; color: #00b4d8; }
.bL { border-color: var(--purple); color: var(--purple); }
.bX { border-color: var(--orange); color: var(--orange); }
.bS { border-color: var(--amber); color: var(--amber); }
.bP { border-color: var(--green); color: var(--green); }

.this-week {
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump) - 2px);
  color: var(--green);
  border: 1px solid var(--green);
  padding: 1px 4px;
  opacity: .8;
}

/* ═══ MAP SECTION ═══════════════════════════════════════════════════════════ */
.map-wrap {
  flex: 1;
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.mobile-feed {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 14px 14px 18px;
  background: var(--surface);
}
.mobile-feed::-webkit-scrollbar { width: 3px; }
.mobile-feed::-webkit-scrollbar-thumb { background: var(--border2); }
.mobile-feed-summary {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  padding: 12px;
  margin-bottom: 12px;
}
.mobile-feed-title {
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump) - 1px);
  letter-spacing: 1px;
  color: var(--text-hi);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.mobile-feed-meta {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  color: var(--muted);
  line-height: 1.5;
}
.mobile-feed-group {
  margin-bottom: 12px;
}
.mobile-feed-date {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  letter-spacing: 1px;
  color: var(--cyan);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.mobile-feed-card {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  padding: 10px;
  margin-bottom: 8px;
}
.mobile-feed-card-title {
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump) - 1px);
  color: var(--text-hi);
  line-height: 1.45;
  margin-bottom: 6px;
  overflow-wrap: anywhere;
}
.mobile-feed-card-meta,
.mobile-feed-card-sub {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  color: var(--muted);
  line-height: 1.45;
}

#map {
  flex: 1;
  position: relative;
  z-index: 1;
  background: #030810;
}

/* stats overlay */
.map-stats {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 1200;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: calc(100% - 24px);
  pointer-events: none;
  transition: max-width .22s ease;
}
.map-wrap:has(.drawer.open) .map-stats {
  max-width: calc(100% - 428px);
}
.stat-card {
  background: var(--ov-bg);
  border: 1px solid var(--ov-border);
  padding: 8px 13px;
  backdrop-filter: blur(6px);
  pointer-events: all;
}
.stat-card .lbl {
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump) - 2px);
  letter-spacing: 1px;
  color: var(--ov-muted);
  text-transform: uppercase;
}
.stat-card .val {
  font-family: var(--mono);
  font-size: calc(22px + var(--font-bump));
  font-weight: 600;
  color: var(--ov-accent);
  line-height: 1.1;
}
.stat-card .val.orange { color: var(--ov-accent2); }
.stat-card .val.small  { font-size: calc(13px + var(--font-bump)); padding-top: 4px; }

/* "Latest visible tracks": a compact two-column grid. As a single joined line
   it grew with every visible track and stretched across the map, covering the
   frames it describes. */
.stat-card--next { max-width: 290px; }
.stat-card--next .val {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, auto));
  gap: 2px 12px;
  justify-content: start;
  padding-top: 5px;
  font-size: calc(11px + var(--font-bump) - 1px);
  line-height: 1.5;
}
.nx-item {
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}
.nx-dot {
  width: 7px; height: 7px;
  flex: 0 0 auto;
  border-radius: 1px;
}
.nx-trk  { color: var(--ov-text); }
.nx-date { color: var(--ov-text-hi); font-weight: 600; }
.nx-empty { color: var(--ov-muted); }

/* legend */
.map-legend {
  position: absolute;
  bottom: 78px; left: 12px;
  z-index: 1100;
  background: var(--ov-bg);
  border: 1px solid var(--ov-border);
  padding: 10px 14px;
  backdrop-filter: blur(6px);
  min-width: 210px;
  max-width: 320px;
}
.legend-title {
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump) - 2px);
  letter-spacing: 2px;
  color: var(--ov-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.legend-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}
.legend-item:last-child {
  margin-bottom: 0;
}
.legend-main {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.legend-swatch {
  width: 24px; height: 6px;
  border-radius: 999px;
  flex-shrink: 0;
}
.legend-item span {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  color: var(--ov-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.legend-value {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  color: var(--ov-text-hi);
  font-weight: 600;
  flex-shrink: 0;
}
.legend-hl-row {
  display: flex;
  gap: 4px;
  padding-bottom: 8px;
  flex-wrap: wrap;
}
.legend-hl-btn {
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump));
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid var(--ov-border);
  background: transparent;
  color: var(--ov-muted);
  cursor: pointer;
  transition: background .1s, color .1s, border-color .1s;
  letter-spacing: .03em;
}
.legend-hl-btn.on {
  background: color-mix(in srgb, var(--ov-accent) 18%, transparent);
  border-color: var(--ov-accent);
  color: var(--ov-accent);
}
.legend-hl-btn:hover:not(.on) { color: var(--ov-text-hi); border-color: var(--ov-text); background: rgba(255,255,255,.07); }

.legend-empty {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  color: var(--ov-muted);
  line-height: 1.5;
}

/* ═══ DOWNLOAD BAR ══════════════════════════════════════════════════════════ */
.dl-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 1100;
  background: var(--ov-bg);
  border-top: 1px solid var(--ov-border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  backdrop-filter: blur(8px);
}
.dl-main {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.dl-main .dl-count {
  margin-left: 0;
}
.export-toggle {
  margin-left: auto;
}
.export-panel {
  position: absolute;
  right: 16px;
  bottom: calc(100% + 10px);
  width: min(420px, calc(100vw - 32px));
  padding: 12px;
  border: 1px solid var(--ov-border);
  background: var(--ov-bg);
  box-shadow: 0 18px 40px rgba(0,0,0,.24);
  color: var(--ov-text);
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  backdrop-filter: blur(12px);
}
.export-panel.open {
  display: grid;
}
.export-card {
  border: 1px solid var(--border);
  padding: 10px;
  background: rgba(255,255,255,.02);
}
.export-card.wide {
  grid-column: 1 / -1;
}
.export-card .k {
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump) - 2px);
  color: var(--muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 7px;
}
.export-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.dl-label {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  letter-spacing: 1px;
  color: var(--ov-muted);
  text-transform: uppercase;
  flex-shrink: 0;
}
.dl-btn {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  letter-spacing: .5px;
  padding: 6px 14px;
  border: 1px solid;
  background: transparent;
  cursor: pointer;
  transition: all .12s;
  text-decoration: none;
  display: inline-block;
  white-space: nowrap;
}
.dl-btn.asf  { border-color: var(--ov-accent); color: var(--ov-accent); }
.dl-btn.asf:hover  { background: rgba(0,229,255,.12); }
.dl-btn.cop  { border-color: var(--ov-accent2); color: var(--ov-accent2); }
.dl-btn.cop:hover  { background: rgba(255,112,67,.12); }
.dl-btn.csv  { border-color: var(--muted);   color: var(--muted);   }
.dl-btn.csv:hover  { border-color: var(--text); color: var(--text); }
.dl-btn:disabled {
  opacity: .35;
  cursor: not-allowed;
}

.dl-count {
  font-family: var(--mono);
  font-size: calc(11px + var(--font-bump) - 1px);
  color: var(--ov-text-hi);
  white-space: nowrap;
}

/* ═══ DETAIL DRAWER ═════════════════════════════════════════════════════════ */
.drawer {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 392px;
  z-index: 500;
  background: var(--drawer-bg);
  border-left: 1px solid var(--border2);
  box-shadow: -20px 0 48px var(--drawer-shadow);
  backdrop-filter: blur(12px);
  transform: translateX(100%);
  transition: transform .22s ease;
  overflow-y: auto;
  padding: 18px 18px 30px;
}
.drawer.open { transform: translateX(0); }
.drawer::-webkit-scrollbar { width: 3px; }
.drawer::-webkit-scrollbar-thumb { background: var(--border2); }

.drawer-close {
  position: absolute; top: 14px; right: 14px;
  width: 32px;
  height: 32px;
  font-family: var(--mono); font-size: calc(11px + var(--font-bump) - 1px);
  color: var(--muted);
  background: var(--drawer-close-bg);
  border: 1px solid var(--border);
  cursor: pointer;
}
.drawer-close:hover { color: var(--text-hi); border-color: var(--cyan); }

.d-name   { font-family: var(--mono); font-size: calc(14px + var(--font-bump)); font-weight: 600; color: var(--cyan); margin-right: 44px; margin-bottom: 4px; line-height: 1.35; white-space: normal; overflow-wrap: anywhere; word-break: break-word; }
.d-agency { font-size: calc(11px + var(--font-bump) - 1px); color: var(--muted); margin-bottom: 16px; line-height: 1.5; }

.d-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
  align-items: start;
}
.d-item {
  padding: 9px 10px 10px;
  border: 1px solid var(--drawer-card-border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--drawer-card-bg) 78%, transparent);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--text-hi) 4%, transparent);
}
.d-item.span-2 {
  grid-column: 1 / -1;
}
.d-item .k { font-family: var(--mono); font-size: calc(8px + var(--font-bump) - 2px); letter-spacing: 1px; color: var(--muted); text-transform: uppercase; margin-bottom: 3px; }
.d-item .v { font-size: calc(12px + var(--font-bump) - 1px); font-weight: 700; color: var(--text-hi); line-height: 1.3; }
.d-item .v small { font-size: calc(10px + var(--font-bump) - 1px); font-weight: 400; color: var(--text); }

.d-section { font-family: var(--mono); font-size: calc(8px + var(--font-bump) - 2px); letter-spacing: 2px; color: var(--muted); text-transform: uppercase; margin: 14px 0 6px; padding-bottom: 4px; border-bottom: 1px solid var(--border); }
.d-desc { font-size: calc(11px + var(--font-bump) - 1px); color: var(--text); line-height: 1.7; }
.d-group {
  margin-bottom: 14px;
}
.d-group:last-child {
  margin-bottom: 0;
}
.d-group-fold {
  margin-bottom: 14px;
  border: 1px solid var(--drawer-card-border);
  border-radius: 8px;
  background: var(--drawer-card-bg);
  overflow: hidden;
}
.d-group-fold[open] {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--cyan) 18%, transparent);
}
.d-group-summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.d-group-summary::-webkit-details-marker {
  display: none;
}
.d-group-summary::after {
  content: '+';
  color: var(--cyan);
  font-family: var(--mono);
  font-size: calc(14px + var(--font-bump) - 1px);
  flex-shrink: 0;
}
.d-group-fold[open] .d-group-summary::after {
  content: '-';
}
.d-group-head {
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump) - 1px);
  letter-spacing: 1px;
  color: var(--cyan);
}
.d-group-meta {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 2px);
  color: var(--muted);
  white-space: nowrap;
}
.d-group-body {
  padding: 0 12px 12px;
}
.d-link-card {
  margin-bottom: 12px;
  padding: 12px;
  background: var(--drawer-card-bg);
  border: 1px solid var(--drawer-card-border);
  border-radius: 8px;
}
.d-link-title {
  font-family: var(--mono);
  font-size: calc(11px + var(--font-bump) - 1px);
  font-weight: 600;
  color: var(--text-hi);
  margin-bottom: 8px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
/* NISAR release-tier sticker, shown beside the granule name. */
.rel-badge {
  display: inline-block;
  vertical-align: middle;
  margin-left: 8px;
  padding: 1px 6px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump) - 2px);
  font-weight: 700;
  letter-spacing: .8px;
  line-height: 1.6;
  white-space: nowrap;
  cursor: help;
}
/* Beta data is uncalibrated — flag it more loudly than provisional. */
.rel-badge.rel-beta        { color: var(--amber); }
.rel-badge.rel-provisional { color: var(--cyan); }
.rel-badge.rel-urgent      { color: var(--orange); }
/* Tint derived from the badge colour so it follows every theme's palette
   (themes remap --amber/--cyan and switch between dark and light cards). */
@supports (background: color-mix(in srgb, red 10%, transparent)) {
  .rel-badge { background: color-mix(in srgb, currentColor 12%, transparent); }
}
.d-link-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.d-link-top span,
.d-link-submeta,
.d-link-empty {
  font-family: var(--mono);
}
.d-link-top span,
.d-link-submeta {
  font-size: calc(9px + var(--font-bump) - 1px);
  color: var(--muted);
}
.d-link-submeta {
  line-height: 1.5;
  margin-bottom: 10px;
}
.d-link-meta {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 2px);
  line-height: 1.55;
  border-top: 1px solid var(--drawer-divider);
  margin-bottom: 10px;
  background: var(--drawer-meta-bg);
  border-radius: 6px;
  padding: 8px 9px 0;
}
.d-link-meta-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.d-link-meta-row strong {
  color: var(--text-hi);
  text-align: right;
  word-break: break-all;
  font-weight: 500;
}
.d-link-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.d-link-empty {
  font-size: calc(10px + var(--font-bump) - 1px);
  color: var(--muted);
}
.d-copy-btn {
  cursor: pointer;
  flex: 1;
  min-width: 120px;
  padding: 7px 10px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump) - 2px);
  border: 1px solid;
  transition: background .16s ease, border-color .16s ease, color .16s ease;
}
.d-copy-btn.asf {
  background: var(--drawer-asf-bg);
  color: var(--cyan);
  border-color: var(--cyan);
}
.d-copy-btn.cdse {
  background: var(--drawer-cdse-bg);
  color: var(--orange);
  border-color: var(--orange);
}
.d-copy-btn:hover {
  filter: brightness(1.03);
}

.d-week-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  padding: 3px 10px;
  border: 1px solid var(--green);
  color: var(--green);
  margin-bottom: 14px;
}

/* ═══ LEAFLET OVERRIDES ═════════════════════════════════════════════════════ */
.leaflet-popup-content-wrapper {
  background: rgba(11,19,32,.97) !important;
  border: 1px solid var(--border2) !important;
  border-radius: 0 !important;
  color: var(--text) !important;
  box-shadow: 0 4px 24px rgba(0,0,0,.5) !important;
}
.leaflet-popup-tip { background: var(--border2) !important; }
.leaflet-control-zoom a { background: var(--surface) !important; color: var(--text) !important; border-color: var(--border2) !important; }
.map-snap-btn {
  display: flex !important;
  align-items: center;
  justify-content: center;
  width: 30px !important;
  height: 30px !important;
  background: var(--surface) !important;
  color: var(--text) !important;
  border: 1px solid var(--border2) !important;
  cursor: pointer;
  padding: 0 !important;
  line-height: 1;
  box-shadow: 0 1px 5px rgba(0,0,0,.4);
}
.map-snap-btn:hover:not(:disabled) { background: rgba(255,255,255,.07) !important; }
.map-snap-btn:disabled { opacity: .45; cursor: wait; }

:root[data-theme="paper-radar"] .leaflet-tile-pane {
  filter: saturate(.45) brightness(1.35) contrast(.9);
}

:root[data-theme="field-survey"] .leaflet-tile-pane {
  filter: hue-rotate(18deg) saturate(.75) brightness(.95);
}

:root[data-theme="soft-slate"] .leaflet-tile-pane {
  filter: saturate(.3) brightness(1.08) contrast(.88);
}

.fp { font-family: var(--mono); }
.fp h4 { font-size: calc(10px + var(--font-bump) - 1px); color: var(--cyan); margin-bottom: 7px; line-height: 1.4; }
.fp p  { font-size: calc(9px + var(--font-bump) - 1px); color: var(--muted); margin: 2px 0; }
.fp b  { color: var(--text-hi); }

/* ═══ LOADING ═══════════════════════════════════════════════════════════════ */
#loading {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  z-index: 9999; transition: opacity .4s;
}
#loading.gone { opacity: 0; pointer-events: none; }
.ld-txt {
  font-family: var(--mono);
  font-size: calc(11px + var(--font-bump) - 1px);
  letter-spacing: 4px;
  color: var(--cyan);
  margin-bottom: 18px;
}
.ld-bar { width: 180px; height: 1px; background: var(--border2); overflow: hidden; position: relative; }
.ld-bar::after {
  content:''; position:absolute; top:0; left:-100%; width:100%; height:100%;
  background: var(--cyan);
  animation: ldslide 1.1s ease-in-out infinite;
}
@keyframes ldslide { 0%{left:-100%} 100%{left:100%} }
.ld-sub {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px);
  color: var(--muted);
  margin-top: 14px;
  letter-spacing: 1px;
}

/* ═══ STATS PANEL ═══════════════════════════════════════════════════════════ */
.stats-panel {
  position: fixed;
  inset: 0;
  z-index: 600;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  /* visibility:hidden fires after the 0.28s slide-out so the panel is fully off-screen before
     hit-testing is removed — on open, visibility:visible kicks in immediately (0s delay). */
  transition: transform .28s cubic-bezier(.4,0,.2,1), visibility 0s .28s;
  overflow: hidden;
  pointer-events: none;
  visibility: hidden;
}
.stats-panel.open {
  transform: translateY(0);
  transition: transform .28s cubic-bezier(.4,0,.2,1), visibility 0s 0s;
  pointer-events: auto;
  visibility: visible;
}

.stats-panel-hdr {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.stats-panel-title {
  font-family: var(--mono);
  font-size: calc(13px + var(--font-bump));
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-right: 4px;
}

/* ── layout switcher ── */
.stats-layout-sw {
  display: flex;
  gap: 4px;
  /* Pushes itself (and, via normal flow, .stats-close right after it) to the
     far right of the header — title stays pinned left, everything else
     clusters right, the usual panel-header convention. Below 900px this is
     hidden entirely, so the ≤900px query below gives .stats-close the same
     push directly. */
  margin-left: auto;
}
.sl-btn {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 4px;
  color: var(--muted);
  width: 32px;
  height: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: color .12s, border-color .12s, background .12s;
}
.sl-btn:hover { color: var(--text-hi); border-color: var(--cyan); }
.sl-btn.on {
  background: color-mix(in srgb, var(--cyan) 12%, transparent);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ── export in panel header ── */
.stats-hdr-export {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
}

/* push close to the far right */
.stats-panel-hdr > .stats-close { margin-left: 4px; }
.stats-close {
  background: none;
  border: 1px solid var(--border2);
  color: var(--muted);
  border-radius: 4px;
  padding: 3px 9px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  transition: color .15s, border-color .15s;
}
.stats-close:hover { color: var(--text-hi); border-color: var(--cyan); }

/* ── Appearance gear + popover ──────────────────────────────────────────── */
/* Sits at the start of the chart section header, left of the title. */
.sec-lead {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}
.stats-gear {
  background: none;
  border: 1px solid var(--border2);
  color: var(--muted);
  border-radius: 4px;
  padding: 3px 6px;
  flex: 0 0 auto;
  cursor: pointer;
  line-height: 0;
  transition: color .15s, border-color .15s, transform .25s;
}
.stats-gear:hover { color: var(--text-hi); border-color: var(--cyan); }
.stats-gear.on {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: rotate(60deg);
}
.stats-style-pop {
  position: absolute;
  /* left/top are set from the gear's live position by positionStylePopover(). */
  top: 46px; left: 12px;
  z-index: 20;
  width: min(340px, calc(100vw - 24px));
  max-height: min(70vh, 560px);
  overflow-y: auto;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: 6px;
  box-shadow: 0 16px 40px rgba(0,0,0,.35);
}
.sty-sec + .sty-sec { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); }
.sty-sec-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 2px);
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
}
.sty-reset {
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump) - 1px);
  padding: 2px 8px;
  border: 1px solid var(--border2);
  border-radius: 3px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.sty-reset:hover { color: var(--cyan); border-color: var(--cyan); }
.sty-colors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 6px;
}
.sty-color {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 4px 7px;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  position: relative;
}
.sty-color:hover { border-color: var(--border2); }
.sty-color-dot { width: 13px; height: 13px; border-radius: 3px; flex: 0 0 auto; }
.sty-color-id {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 2px);
  color: var(--text);
}
/* The native swatch is unstyleable across browsers; cover it and drive the
   dot instead, so the row reads consistently. */
.sty-color input[type="color"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  border: none;
  padding: 0;
}

.stats-panel-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

/* ── dashboard grid ── */
.stats-dash {
  display: grid;
  gap: 16px;
  padding: 16px 20px 28px;
  min-height: 100%;
  box-sizing: border-box;
}

/* layout: stack — single column (default) */
.stats-dash.layout-stack {
  grid-template-columns: 1fr;
  grid-template-areas: "chart" "table";
}
/* layout: split — chart left, table right */
.stats-dash.layout-split {
  grid-template-columns: 55fr 45fr;
  grid-template-areas: "chart table";
}
/* layout: chart — full-width tall chart only, table hidden */
.stats-dash.layout-chart {
  grid-template-columns: 1fr;
  grid-template-areas: "chart";
}
.stats-dash.layout-chart .stats-sec-table { display: none; }

.stats-sec-chart { grid-area: chart; }
.stats-sec-table { grid-area: table; }

/* split: cards column gets its own scroll area */
.stats-dash.layout-split .stats-cards-wrap {
  max-height: calc(100vh - 260px);
}
/* in chart-focus, taller chart scroll area */
.stats-dash.layout-chart .stats-chart-scroll {
  min-height: 320px;
}

/* ── below 900px: all layouts collapse to stack ── */
@media (max-width: 900px) {
  .stats-dash {
    grid-template-columns: 1fr !important;
    grid-template-areas: "chart" "table" !important;
    padding: 12px 14px 24px;
  }
  .stats-layout-sw { display: none; }
  /* .stats-layout-sw normally carries the header's only margin-left:auto;
     hiding it removes that push, so .stats-close needs its own here or it
     collapses back next to the title instead of the far right. */
  .stats-panel-hdr > .stats-close { margin-left: auto; }
  .stats-dash.layout-split .stats-cards-wrap { max-height: min(520px, 50vh); }
}
.stats-footer {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.stats-footer-title {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump));
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 4px;
}
.stats-footer-group {
  display: flex;
  align-items: center;
  gap: 5px;
}
.stats-footer-grp-lbl {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump));
  color: var(--muted);
  letter-spacing: .04em;
  margin-right: 2px;
}
.stats-footer-rule {
  width: 1px;
  height: 18px;
  background: var(--border2);
  flex-shrink: 0;
}
.stats-footer-btn {
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump));
  font-weight: 600;
  padding: 4px 11px;
  border-radius: 4px;
  border: 1px solid var(--border2);
  background: var(--card);
  color: var(--text-hi);
  cursor: pointer;
  letter-spacing: .04em;
  transition: background .12s, border-color .12s, color .12s;
}
.stats-footer-btn:hover { background: var(--border); border-color: var(--cyan); color: var(--cyan); }

/* ── sections ── */
.stats-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0; /* prevent flex compression — lets panel-body overflow-y:auto engage */
}
.stats-section-hd {
  font-family: var(--mono);
  font-size: calc(11px + var(--font-bump));
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-hi);
  padding: 10px 14px 8px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* Per-section copy/export toolbar. */
.sec-tools {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.sec-tool {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 2px);
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: none;
  padding: 3px 9px;
  border: 1px solid var(--border2);
  border-radius: 3px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color .12s, border-color .12s, background .12s;
  min-width: 42px;
}
.sec-tool:hover { color: var(--text-hi); border-color: var(--cyan); }
.sec-tool.ok {
  color: var(--green);
  border-color: var(--green);
  background: color-mix(in srgb, var(--green) 12%, transparent);
}
.sts-hd-hint {
  font-size: calc(9px + var(--font-bump));
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--muted);
}
.stats-section-sub {
  font-size: calc(10px + var(--font-bump));
  color: var(--muted);
  padding: 6px 14px 10px;
  border-bottom: 1px solid var(--border);
}

/* ── controls ── */
.stats-ctrls { padding: 10px 14px; display: flex; flex-direction: column; gap: 8px; }
.stats-ctrl-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.stats-ctrl-lbl {
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump));
  color: var(--muted);
  min-width: 80px;
  flex-shrink: 0;
}

/* stepper */
.stats-stepper {
  display: flex;
  align-items: center;
  gap: 2px;
}
.sts-btn {
  background: var(--surface);
  border: 1px solid var(--border2);
  color: var(--text-hi);
  border-radius: 4px;
  width: 26px;
  height: 26px;
  cursor: pointer;
  font-size: 15px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .12s, border-color .12s;
}
.sts-btn:hover { background: var(--border); border-color: var(--cyan); }
.sts-val {
  font-family: var(--mono);
  font-size: calc(11px + var(--font-bump));
  color: var(--cyan);
  min-width: 36px;
  text-align: center;
}

/* satellite chips */
.stats-chips { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.stats-chip {
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump));
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border2);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: background .12s, color .12s, border-color .12s;
}
.stats-chip.on {
  background: color-mix(in srgb, var(--sc, var(--cyan)) 18%, transparent);
  border-color: var(--sc, var(--cyan));
  color: var(--sc, var(--cyan));
}
.stats-chip-reset {
  padding: 3px 8px;
  font-size: 14px;
  line-height: 1;
  color: var(--muted);
  border-radius: 20px;
}
.stats-chip-reset:hover { color: var(--text-hi); border-color: var(--cyan); }

/* custom date range row */
.stats-custom-range { flex-wrap: nowrap; gap: 6px; }
.stats-date-input {
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump));
  background: var(--surface);
  border: 1px solid var(--border2);
  color: var(--text-hi);
  border-radius: 4px;
  padding: 3px 7px;
  cursor: pointer;
  min-width: 0;
  flex: 1;
  max-width: 140px;
}
.stats-date-input:focus { outline: none; border-color: var(--cyan); }
.stats-range-sep { color: var(--muted); flex-shrink: 0; font-size: 12px; }

/* per-satellite color pickers */
.stats-chip-ctr {
  display: flex;
  align-items: center;
  gap: 5px;
}
.stats-color-dot {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  border: 1px solid rgba(255,255,255,.18);
  overflow: hidden;
  display: inline-block;
  vertical-align: middle;
}
.stats-color-dot input[type="color"] {
  position: absolute;
  inset: -4px;
  width: calc(100% + 8px);
  height: calc(100% + 8px);
  opacity: 0;
  cursor: pointer;
  padding: 0;
  border: none;
}

/* ── chart ── */
.stats-chart-scroll {
  /* Horizontal scroll so a chart wider than its container stays usable;
     vertical stays clipped so the section never grows a second scrollbar. */
  overflow-x: auto;
  overflow-y: hidden;
  padding: 6px 14px 10px;
}
.stats-chart-scroll::-webkit-scrollbar { height: 8px; }
.stats-chart-scroll::-webkit-scrollbar-thumb {
  background: var(--border2);
  border-radius: 4px;
}
.stats-chart-scroll::-webkit-scrollbar-track { background: transparent; }
.stats-chart-wrap { display: block; }
.schart-svg { display: block; overflow: visible; }
.schart-bar { cursor: pointer; transition: opacity .1s; }
.schart-bar:hover { opacity: 1; filter: brightness(1.12); }
/* Alternating calendar band behind the bars: at sub-day cells it groups the
   bars belonging to one day, at day+ cells it marks months. Reads as texture,
   not as data — strength is tunable via the appearance panel. */
.schart-band {
  fill: var(--sc-band-c, var(--text));
  opacity: var(--sc-band-op, .09);
}
.schart-grid {
  stroke: var(--sc-grid-c, var(--border));
  stroke-width: var(--sc-grid-w, 1);
  stroke-dasharray: 3 3;
  opacity: var(--sc-grid-op, .85);
}
.schart-bar { opacity: var(--sc-bar-op, .88); }
/* Date row of the two-row axis used for sub-day cells. */
.schart-daylabel {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 2px + var(--sc-lbl-bump, 0px));
  fill: var(--sc-text, var(--text-hi));
  font-weight: 600;
}
.schart-daytick {
  stroke: var(--sc-grid-c, var(--border2));
  stroke-width: 1;
}
/* Solid axis frame and ticks, distinct from the dashed interior gridlines. */
.schart-axis {
  stroke: var(--sc-grid-c, var(--border2));
  stroke-width: var(--sc-grid-w, 1);
  opacity: calc(var(--sc-grid-op, .85) + .15);
  fill: none;
}
.schart-axis-title {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 1px + var(--sc-lbl-bump, 0px));
  font-weight: 600;
  letter-spacing: .04em;
  fill: var(--sc-text, var(--text-hi));
}
.schart-glabel {
  font-family: var(--mono);
  font-size: calc(9px + var(--sc-lbl-bump, 0px));
  fill: var(--sc-text, var(--muted));
}
.schart-label {
  font-family: var(--mono);
  font-size: calc(9px + var(--sc-lbl-bump, 0px));
  fill: var(--sc-text, var(--muted));
}

.stats-muted-msg {
  font-family: var(--mono);
  font-size: calc(11px + var(--font-bump));
  color: var(--muted);
  text-align: center;
  padding: 24px 0;
}
.stats-legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  padding: 4px 14px 10px;
}
.stats-legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump));
  color: var(--muted);
}
.stats-legend-sw {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* ── direction badge (used in cards and chart popup) ── */
.sts-tdir {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump));
  padding: 1px 5px;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
}
.sts-tdir.asc  { background: color-mix(in srgb,var(--cyan)  15%,transparent); color: var(--cyan); }
.sts-tdir.desc { background: color-mix(in srgb,var(--orange) 15%,transparent); color: var(--orange); }

/* sparkline */
.spark-wrap {
  width: 100%;
  min-width: 0;
}
.spark-svg { display: block; }
.spark-bar { fill: var(--cyan-dim); }
.spark-grid {
  stroke: color-mix(in srgb, var(--border2) 65%, transparent);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}
.spark-axis {
  stroke: var(--border2);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

/* ── track statistics (flat track-row list) ── */
.stats-cards-wrap {
  overflow-y: auto;
  max-height: min(520px, 50vh);
  overscroll-behavior: contain;
  padding: 0 0 8px;
}
.stats-dash.layout-split .stats-cards-wrap { max-height: calc(100vh - 260px); }

.trk-flat-list {
  display: flex;
  flex-direction: column;
}

.trk-axis-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px 5px;
  border-bottom: 1px solid var(--border2);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  position: sticky;
  top: 0;
  z-index: 1;
}
.trk-axis-blank {
  visibility: hidden;
  pointer-events: none;
}
.trk-axis-spark {
  flex: 1;
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 4px;
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump));
  color: var(--muted);
  line-height: 1;
}
.trk-axis-spark span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.trk-axis-spark span:not(:first-child):not(:last-child) { text-align: center; }
.trk-axis-spark span:last-child { text-align: right; }
.trk-axis-metric {
  color: var(--muted);
  font-size: calc(8px + var(--font-bump));
  text-transform: uppercase;
}

.trk-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .1s;
}
.trk-row:last-child { border-bottom: none; }
.trk-row:hover { background: color-mix(in srgb, var(--cyan) 6%, var(--card)); }
.trk-row.active { background: color-mix(in srgb, var(--cyan) 12%, var(--card)); }

.trk-num {
  font-family: var(--mono);
  font-size: calc(11px + var(--font-bump));
  font-weight: 600;
  color: var(--text-hi);
  min-width: 42px;
  white-space: nowrap;
}

.trk-pills {
  display: flex;
  gap: 4px;
  width: 132px;
  flex-shrink: 0;
  flex-wrap: wrap;
}
.trk-sat-pill {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump));
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 3px;
  background: color-mix(in srgb, var(--pc, var(--cyan)) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--pc, var(--cyan)) 50%, transparent);
  color: var(--pc, var(--cyan));
  white-space: nowrap;
  cursor: default;
}

.trk-spark {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.trk-frames, .trk-intv, .trk-last {
  font-family: var(--mono);
  font-size: calc(10px + var(--font-bump));
  white-space: nowrap;
  text-align: right;
}
.trk-frames { color: var(--text-hi); min-width: 48px; }
.trk-intv   { color: var(--muted);   min-width: 38px; }
.trk-last   { color: var(--muted);   min-width: 50px; }

.trk-filter-icon {
  font-size: 12px;
  color: var(--muted);
  opacity: 0;
  transition: opacity .1s;
  flex-shrink: 0;
}
.trk-row:hover .trk-filter-icon { opacity: 1; }
.trk-row.active .trk-filter-icon { opacity: 1; color: var(--cyan); }

/* active filter badge in the section heading */
.trk-filter-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump));
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  background: color-mix(in srgb, var(--cyan) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--cyan) 40%, transparent);
  color: var(--cyan);
  border-radius: 4px;
  padding: 2px 7px;
  margin-left: 8px;
  vertical-align: middle;
}
.trk-filter-clear {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  font-size: 14px;
  opacity: .7;
}
.trk-filter-clear:hover { opacity: 1; }

/* ── chart bar click popup ── */
.schart-popup {
  position: fixed;
  z-index: 700;
  background: var(--card);
  border: 1px solid var(--border2);
  border-left: 4px solid var(--scp-accent, #29b6f6);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
  min-width: 190px;
  max-width: 240px;
  font-family: var(--mono);
  font-size: calc(11px + var(--font-bump));
  overflow: hidden;
}
.scp-hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  padding: 8px 10px 0 12px;
}
.scp-sat { font-weight: 700; font-size: calc(13px + var(--font-bump)); flex-shrink: 0; }
/* Own row, not squeezed into the header alongside the satellite name and
   close button — a bucket can list several distinct pass times ("18:00,
   18:01 · UTC+8"), and truncating that with ellipsis hid the very time the
   card exists to show. Wraps instead of clipping. */
.scp-period {
  font-size: calc(9px + var(--font-bump));
  color: var(--muted);
  padding: 2px 12px 0;
  white-space: normal;
  line-height: 1.35;
}
.scp-close {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  padding: 0 2px;
  line-height: 1;
  flex-shrink: 0;
}
.scp-close:hover { color: var(--text-hi); }
.scp-total {
  padding: 3px 12px 8px;
  color: var(--text-hi);
  font-weight: 700;
  font-size: calc(15px + var(--font-bump));
}
.scp-tracks {
  margin: 0 10px 8px;
  border: 1px solid var(--border2);
  border-radius: 5px;
  overflow: hidden;
}
.scp-track-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border-bottom: 1px solid var(--border);
}
.scp-track-row:last-child { border-bottom: none; }
.scp-tnum { flex: 1; color: var(--text-hi); }
.scp-tcnt { color: var(--muted); font-size: calc(10px + var(--font-bump)); }
.scp-empty { padding: 6px 12px 10px; color: var(--muted); font-size: calc(10px + var(--font-bump)); }
.scp-track-link { cursor: pointer; transition: background 0.1s; }
.scp-track-link:hover { background: var(--surface); }
.scp-view-all-row {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 10px 9px 6px;
  padding: 4px 0;
  font-size: calc(9px + var(--font-bump));
  color: var(--muted);
  border: 1px solid var(--border2);
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: color 0.15s, border-color 0.15s;
}
.scp-view-all-row:hover { color: var(--text-hi); border-color: var(--muted); }

/* background history load bar */
.bg-load-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--cyan);
  transition: width .2s linear;
  pointer-events: none;
  z-index: 10;
  opacity: .7;
}
.bg-load-bar.done {
  transition: width .15s linear, opacity .35s .1s;
  opacity: 0;
}

/* mob-tabs and mob-db-ts only visible on mobile */
.mob-tabs  { display: none; }
.mob-db-ts { display: none; }

/* ═══ VERTICAL / PORTRAIT DESKTOP ══════════════════════════════════════════ */
@media (min-width: 900px) and (max-aspect-ratio: 4/3) {
  :root { --sidebar: 420px; }
  .sb-list  { max-height: none; }
}

@media (max-width: 1280px) {
  :root { --sidebar: 360px; }
  .filter-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .filter-field.span-2 {
    grid-column: 1 / -1;
  }
}

@media (max-width: 980px) {
  html, body { overflow: auto; }
  .layout {
    flex-direction: column;
    overflow: visible;
  }
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .sb-list {
    max-height: 38vh;
  }
  .map-wrap {
    min-height: 68vh;
  }
  .map-stats {
    position: static;
    width: 100%;
    padding: 12px 12px 0;
  }
  .map-stats {
    flex-wrap: wrap;
  }
  /* Stacked (vertical) layout: keep the legend a compact box tucked into the
     bottom-left corner of the map rather than stretching the full width. */
  .map-legend {
    left: 12px;
    right: auto;
    width: max-content;
    min-width: 0;
    max-width: min(320px, calc(100% - 24px));
  }
  .export-panel {
    left: 12px;
    right: 12px;
    width: auto;
    grid-template-columns: 1fr;
  }
  .drawer {
    width: min(360px, 92vw);
  }
}

/* ═══ MOBILE (≤640px) ═══════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  /* ── root ── */
  :root { --font-bump: 2px; }

  /* ── page scaffold: header / layout / tab-bar stacked ── */
  html, body { height: 100dvh; overflow: hidden; display: flex; flex-direction: column; }
  header {
    flex-shrink: 0;
    padding: 8px 12px;
    gap: 6px;
    flex-wrap: nowrap;
    align-items: center;
    min-height: 0;
  }
  .hdr-sep, .hdr-status, .hdr-controls, .hdr-tabs { display: none; }
  .hdr-logo { flex: 1; min-width: 0; }
  .mob-db-ts {
    display: inline-block;
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.5px;
    padding: 3px 7px;
    border: 1px solid currentColor;
    color: var(--muted);
    white-space: nowrap;
    flex-shrink: 0;
    opacity: .75;
  }
  .mob-db-ts.fresh  { color: var(--green);  opacity: 1; }
  .mob-db-ts.recent { color: var(--amber);  opacity: 1; }
  .mob-db-ts.stale  { color: var(--orange); opacity: 1; }
  /* .hdr-controls is hidden here, so the repo link keeps its own place — and
     with no labelled controls left to line up with, the spacer would only push
     the icon down out of line with the database badge. */
  .hdr-repo { width: 24px; height: 24px; }
  .hdr-repo-field { align-self: center; }
  .hdr-repo-field .hdr-tabs-spacer { display: none; }

  /* ── layout: stacking context ── */
  .layout { flex: 1; position: relative; overflow: hidden; display: block; }

  /* ── panels: fill the layout area ── */
  .sidebar, .map-wrap {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }
  /* map visible by default (no tab set / tab=map) */
  .map-wrap { display: flex; flex-direction: column; }
  .sidebar  { display: none; flex-direction: column; border: none; }

  /* ── LIST tab ── */
  body[data-mob-tab="list"] .map-wrap   { display: none; }
  body[data-mob-tab="list"] .sidebar    { display: flex; overflow-y: auto; }
  body[data-mob-tab="list"] .filter-panel { display: none; }
  body[data-mob-tab="list"] .sb-list    { flex: 1; max-height: none; }
  body[data-mob-tab="list"] .mobile-feed { display: block; }

  /* ── FILTERS tab ── */
  body[data-mob-tab="filters"] .map-wrap    { display: none; }
  body[data-mob-tab="filters"] .sidebar     { display: flex; overflow-y: auto; }
  body[data-mob-tab="filters"] .sb-head,
  body[data-mob-tab="filters"] .sb-filters,
  body[data-mob-tab="filters"] .sb-list,
  body[data-mob-tab="filters"] .mobile-feed { display: none; }
  body[data-mob-tab="filters"] .filter-panel { display: block; }

  /* ── MAP tab: hide overlays except stats; drawer = bottom sheet ── */
  .map-legend, .dl-bar { display: none !important; }
  .mobile-feed { display: none; }

  /* stat strip — compact in-flow bar above the map */
  .map-stats {
    position: relative;
    top: auto; left: auto;
    width: 100%;
    max-width: none;
    padding: 0;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border2);
    flex-wrap: nowrap;
    overflow-x: auto;
    pointer-events: none;
    flex-shrink: 0;
    backdrop-filter: none;
    transition: none;
  }
  .map-wrap:has(.drawer.open) .map-stats { max-width: none; }
  .stat-card {
    flex: 1;
    border: none;
    border-right: 1px solid var(--border2);
    padding: 5px 10px;
    background: transparent;
    backdrop-filter: none;
    min-width: 0;
  }
  .stat-card:last-child { border-right: none; }
  .stat-card .lbl   { font-size: 7px; letter-spacing: 0.5px; }
  .stat-card .val   { font-size: 15px; }
  .stat-card .val.small { font-size: 9px; padding-top: 2px; }

  .drawer {
    position: absolute;
    top: auto; bottom: 0; left: 0; right: 0;
    width: 100%;
    max-height: 58%;
    border-left: none;
    border-top: 1px solid var(--border2);
    transform: translateY(110%);
    box-shadow: 0 -12px 40px rgba(0,0,0,.45);
  }
  .drawer.open { transform: translateY(0); }

  /* ── mob-tabs bar ── */
  .mob-tabs {
    flex-shrink: 0;
    display: flex;
    height: 52px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    position: relative;   /* establish stacking context */
    z-index: 800;          /* sit above the stats panel (600) in all cases */
  }
  .mob-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    border: none;
    border-top: 2px solid transparent;
    background: transparent;
    color: var(--muted);
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: color .12s, border-color .12s;
  }
  .mob-tab.active { color: var(--cyan); border-top-color: var(--cyan); }
  .mob-tab-icon   { font-size: 16px; line-height: 1; }

  /* ── filter panel internals ── */
  .filter-panel { padding: 10px 12px 12px; }
  .filter-head  { grid-template-columns: 1fr; gap: 8px; }
  .date-shortcuts {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .date-shortcut { width: 100%; text-align: center; padding: 8px 10px; }
  .filter-grid   { grid-template-columns: 1fr 1fr; gap: 6px; }
  .sb-filters    { padding: 8px 12px; }
  .sat-row       { padding: 8px 12px; }

  /* ── stats panel mobile ── */

  /* sit above the 52px tab bar, not covering it */
  .stats-panel { bottom: 52px; }

  /* dashboard grid tighter on mobile */
  .stats-dash { padding: 10px 12px 16px; gap: 10px; }

  /* hide export buttons from header — too cramped; still accessible on desktop */
  .stats-hdr-export { display: none; }

  /* panel header: snug */
  .stats-panel-hdr { padding: 8px 12px; gap: 8px; }
  .stats-panel-title { font-size: calc(11px + var(--font-bump)); }

  /* sections */
  .stats-ctrls { padding: 8px 10px; gap: 6px; }
  .stats-ctrl-lbl { min-width: 60px; }
  .stats-section-hd { padding: 8px 10px 6px; }
  .stats-chart-scroll { padding: 4px 10px 8px; }
  .stats-legend { padding: 2px 10px 8px; gap: 10px; }
  .stats-cards-wrap { max-height: min(360px, 40vh); }
  .trk-row { padding: 5px 10px; }
  .trk-spark { display: none; }
}


/* ── Chart appearance panel ─────────────────────────────────────────────── */
.sty-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 2px 0;
}
.sty-lbl {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 2px);
  color: var(--muted);
  flex: 0 0 78px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.sty-row input[type="range"] {
  flex: 1 1 auto;
  min-width: 0;
  accent-color: var(--cyan);
  height: 16px;
}
.sty-num {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
  background: var(--surface2, #1e1e2e);
  color: var(--text-hi);
  border: 1px solid var(--border2);
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 2px);
  padding: 2px 5px;
  text-align: right;
}
.sty-val {
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 2px);
  color: var(--text-hi);
  flex: 0 0 42px;
  text-align: right;
}


/* Live size readout under the width/height sliders. */
.sty-ratio {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin: 2px 0 6px;
  padding: 4px 7px;
  border: 1px dashed var(--border2);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 2px);
  color: var(--muted);
}
.sty-ratio b { color: var(--text-hi); font-weight: 600; }


/* Chart colour rows in the appearance popover. */
.sty-crow {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0;
}
.sty-crow .sty-lbl { flex: 0 0 78px; }
.sty-swatch {
  position: relative;
  width: 26px; height: 18px;
  border: 1px solid var(--border2);
  border-radius: 3px;
  cursor: pointer;
  flex: 0 0 auto;
  overflow: hidden;
}
.sty-swatch input[type="color"] {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0; border: none; padding: 0; cursor: pointer;
}
/* Chequerboard reads as "transparent". */
.sty-swatch.is-transparent {
  background-image:
    linear-gradient(45deg, var(--border) 25%, transparent 25%, transparent 75%, var(--border) 75%),
    linear-gradient(45deg, var(--border) 25%, transparent 25%, transparent 75%, var(--border) 75%);
  background-size: 8px 8px;
  background-position: 0 0, 4px 4px;
}
.sty-cbtn {
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump) - 1px);
  padding: 2px 7px;
  border: 1px solid var(--border2);
  border-radius: 3px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.sty-cbtn:hover { color: var(--cyan); border-color: var(--cyan); }
.sty-cbtn.on { color: var(--cyan); border-color: var(--cyan); }
.sty-cauto {
  font-family: var(--mono);
  font-size: calc(8px + var(--font-bump) - 2px);
  color: var(--muted);
  margin-left: auto;
}

/* Text input for the axis titles. */
.sty-text {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--mono);
  font-size: calc(9px + var(--font-bump) - 2px);
  padding: 3px 7px;
  border: 1px solid var(--border2);
  border-radius: 3px;
  background: var(--surface);
  color: var(--text-hi);
}
.sty-text:focus { outline: none; border-color: var(--cyan); }

/* Timezone note in the header: all displayed times are UTC+8. */
.hdr-tz { color: var(--cyan-dim); letter-spacing: .02em; }