/* gisgap-uav-structure — restrained, symmetric layout, mobile-aware  v2 */

:root {
  --bg:           #f7f8fa;
  --panel:        #ffffff;
  --panel-2:      #fafbfc;
  --ink:          #1a202c;
  --ink-2:        #2d3748;
  --muted:        #718096;
  --line:         #e2e8f0;
  --line-strong:  #cbd5e0;
  --accent:       #2b6cb0;
  --accent-soft:  #ebf4ff;
  --warn:         #c05621;
  --danger:       #c53030;
  --crack:        #1f6feb;
  --corrosion:    #b7791f;
  --delam:        #805ad5;
  --void:         #c53030;
  --spall:        #2f855a;
  --xray:         #e53e3e;
  --shadow:       0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.05);
  --radius:       8px;
  --radius-sm:    6px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

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

/* Focus ring — keyboard-nav friendly */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ────────── Topbar ────────── */
.topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 10px 18px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  height: 48px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-left  { display: flex; align-items: baseline; gap: 6px; }
.brand        { font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.brand-sep    { color: var(--muted); }
.tool-name    { font-weight: 500; color: var(--ink-2); }
.topbar-mid   { color: var(--muted); font-size: 12.5px; text-align: center; }
.scene-label  { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-right { display: flex; gap: 14px; justify-content: flex-end; font-size: 13px; align-items: center; }
.topbar-link  { color: var(--ink-2); }

/* ────────── Layout ────────── */
.layout {
  display: grid;
  grid-template-columns: 300px 1fr 300px;
  gap: 0;
  height: calc(100vh - 48px - 36px);
  min-height: 560px;
}

.sidebar {
  background: var(--panel);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.sidebar-left  { border-right: 1px solid var(--line); }
.sidebar-right { border-left: 1px solid var(--line); }

.panel-head { padding: 14px 16px 10px; border-bottom: 1px solid var(--line); }
.panel-head h2 { margin: 0 0 2px; font-size: 14px; font-weight: 600; color: var(--ink); letter-spacing: -0.005em; }
.panel-sub { margin: 0; font-size: 12px; color: var(--muted); }

.panel-foot { padding: 10px 16px 14px; border-top: 1px solid var(--line); font-size: 12.5px; }

/* ────────── Pipeline list ────────── */
.pipeline {
  list-style: none; margin: 0; padding: 8px;
  overflow-y: auto; flex: 1;
}
.pipe-stage {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 10px;
  align-items: start;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 80ms ease, border-color 80ms ease;
}
.pipe-stage + .pipe-stage { margin-top: 2px; }
.pipe-stage:hover { background: var(--panel-2); }
.pipe-stage.is-active { background: var(--accent-soft); border-color: #bee3f8; }
.stage-tag {
  display: inline-grid; place-items: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--panel-2);
  border: 1px solid var(--line-strong);
  font-size: 11px; color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}
.pipe-stage.is-active .stage-tag { background: #fff; border-color: var(--accent); color: var(--accent); }
.pipe-stage h3 { margin: 0; font-size: 13px; font-weight: 600; color: var(--ink); }
.pipe-stage p  { margin: 2px 0 0; font-size: 11.5px; color: var(--muted); }

/* ────────── Coverage stats ────────── */
.coverage-stats-panel {
  padding: 10px 16px 12px;
  border-top: 1px solid var(--line);
}
.coverage-stats-panel h4 {
  margin: 0 0 8px;
  font-size: 10.5px; font-weight: 600;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em;
}
#coverage-stats { display: flex; flex-direction: column; gap: 4px; }
.cov-row {
  display: grid;
  grid-template-columns: 100px 1fr 36px;
  align-items: center;
  gap: 6px;
}
.cov-name { font-size: 11px; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cov-bar  { height: 5px; background: var(--line); border-radius: 3px; overflow: hidden; }
.cov-fill { height: 100%; border-radius: 3px; opacity: 0.75; }
.cov-val  { font-size: 10.5px; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }

/* ────────── Map area ────────── */
.map-area { position: relative; background: #e9ecef; overflow: hidden; }
#map { position: absolute; inset: 0; }

.map-controls {
  position: absolute; top: 14px; left: 14px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px 14px;
  width: 224px;
  z-index: 5;
}
.controls-title {
  margin: 0 0 8px;
  font-size: 11px; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.04em;
}
.layer-list { list-style: none; margin: 0 0 10px; padding: 0; }
.layer-list li {
  display: flex; align-items: center; gap: 7px;
  padding: 4px 0; font-size: 12.5px; color: var(--ink-2);
  cursor: pointer; user-select: none;
}
.layer-list li:hover { color: var(--ink); }
.layer-list input { accent-color: var(--accent); cursor: pointer; flex-shrink: 0; }
.layer-swatch {
  display: inline-block; width: 12px; height: 12px;
  border-radius: 3px; border: 1px solid rgba(0,0,0,.12); flex-shrink: 0;
}
.layer-counts { margin-left: auto; display: flex; gap: 3px; }
.cls-badge {
  display: inline-grid; place-items: center;
  width: 16px; height: 16px; border-radius: 50%;
  font-size: 9px; font-weight: 700; color: #fff; line-height: 1;
}
.cls-badge.cls-crack     { background: var(--crack); }
.cls-badge.cls-corrosion { background: var(--corrosion); }
.cls-badge.cls-delam     { background: var(--delam); }
.cls-badge.cls-void      { background: var(--void); }
.cls-badge.cls-spall     { background: var(--spall); }

/* Severity filter */
.filter-row {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 0 4px;
  border-top: 1px solid var(--line);
}
.filter-row label { font-size: 11px; color: var(--muted); white-space: nowrap; }
.filter-row select {
  flex: 1; font-size: 12px; padding: 3px 6px;
  border: 1px solid var(--line-strong); border-radius: 4px;
  background: var(--panel); color: var(--ink);
  cursor: pointer;
}

/* Reset-view button */
.btn-reset {
  display: block; width: 100%; margin-top: 8px;
  padding: 5px 0; font-size: 12px; color: var(--ink-2);
  background: var(--panel-2); border: 1px solid var(--line-strong);
  border-radius: 5px; cursor: pointer; text-align: center;
  transition: background 80ms;
}
.btn-reset:hover { background: var(--accent-soft); border-color: #bee3f8; color: var(--accent); }

.legend { padding-top: 10px; border-top: 1px solid var(--line); margin-top: 4px; }
.legend-list { list-style: none; margin: 0; padding: 0; }
.legend-list li { display: flex; align-items: center; gap: 8px; font-size: 12.5px; padding: 3px 0; }
.dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  border: 1.5px solid #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.15); flex-shrink: 0;
}
.dot-crack     { background: var(--crack); }
.dot-corrosion { background: var(--corrosion); }
.dot-delam     { background: var(--delam); }
.dot-void      { background: var(--void); }
.dot-spall     { background: var(--spall); }
.dot-xray      { background: var(--xray); border-radius: 3px; }

.banner-synth {
  position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%);
  background: rgba(26,32,44,.85); color: #fff;
  font-size: 11.5px; padding: 6px 12px;
  border-radius: 999px; z-index: 5;
  white-space: nowrap; pointer-events: none;
}

/* ────────── Hover popup ────────── */
.defect-hover-popup .maplibregl-popup-content {
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  font-size: 12.5px;
  display: flex; gap: 6px; align-items: center;
}
.popup-id    { font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
.popup-class { font-size: 11px; padding: 2px 6px; border-radius: 3px; color: #fff; }
.popup-class.crack     { background: var(--crack); }
.popup-class.corrosion { background: var(--corrosion); }
.popup-class.delam     { background: var(--delam); }
.popup-class.void      { background: var(--void); }
.popup-class.spall     { background: var(--spall); }
.popup-sev { font-size: 11px; color: var(--muted); }
.popup-sev-high   { color: var(--danger); }
.popup-sev-medium { color: var(--warn); }

/* ────────── Evidence panel ────────── */
.evidence-empty { padding: 32px 20px; text-align: center; color: var(--ink-2); }
.evidence-empty .empty-icon { font-size: 28px; color: var(--line-strong); margin-bottom: 10px; }
.evidence-empty p { margin: 4px 0; font-size: 13px; }
.evidence-empty .muted { color: var(--muted); font-size: 12px; margin-top: 12px; }

#evidence-scroll { overflow-y: auto; flex: 1; }

.evidence-card { padding: 14px 16px 18px; }
.evidence-card header {
  display: flex; flex-wrap: wrap;
  align-items: center; gap: 6px;
  margin-bottom: 10px;
}
.evidence-class {
  font-size: 13px; font-weight: 600;
  padding: 3px 8px; border-radius: 4px; color: #fff;
}
.evidence-class.crack     { background: var(--crack); }
.evidence-class.corrosion { background: var(--corrosion); }
.evidence-class.delam     { background: var(--delam); }
.evidence-class.void      { background: var(--void); }
.evidence-class.spall     { background: var(--spall); }
.evidence-id { font-size: 11.5px; color: var(--muted); font-variant-numeric: tabular-nums; margin-right: auto; }

/* Confidence badge */
.confidence-badge {
  font-size: 10.5px; font-weight: 600; padding: 2px 6px;
  border-radius: 3px; white-space: nowrap;
}
.conf-high { background: #c6f6d5; color: #276749; }
.conf-med  { background: #fef3c7; color: #92400e; }
.conf-low  { background: #fed7d7; color: #9b2c2c; }

/* Delta-severity warning */
.delta-badge {
  font-size: 10.5px; font-weight: 600;
  padding: 2px 6px; border-radius: 3px;
  background: #fef3c7; color: #92400e;
  white-space: nowrap;
}

/* Metadata grid */
.evidence-meta {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px 10px; margin: 0 0 14px;
  padding: 10px 12px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.evidence-meta > div { display: flex; flex-direction: column; gap: 1px; }
.evidence-meta dt {
  font-size: 10.5px; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.04em; margin: 0;
}
.evidence-meta dd { font-size: 12.5px; color: var(--ink); margin: 0; font-variant-numeric: tabular-nums; }

.evidence-card h4 {
  margin: 14px 0 6px;
  font-size: 11px; font-weight: 600;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em;
}

/* Modality bars with uncertainty overlay */
.modality-bars { list-style: none; margin: 0; padding: 0; }
.modality-bars li {
  display: grid;
  grid-template-columns: 72px 1fr 36px;
  align-items: center;
  gap: 8px; padding: 4px 0; font-size: 12px;
}
.mb-name { color: var(--ink-2); }
.mb-bar  {
  height: 6px; background: var(--line);
  border-radius: 3px; overflow: hidden;
  position: relative;
}
.mb-fill {
  position: absolute; top: 0; left: 0;
  height: 100%; border-radius: 3px;
}
.mb-uncertainty {
  position: absolute; top: 0;
  height: 100%;
  background: rgba(0,0,0,.12);
  border-radius: 3px;
}
.mb-val { font-size: 11.5px; color: var(--muted); text-align: right; font-variant-numeric: tabular-nums; }

.vlm-statement {
  margin: 0; padding: 10px 12px;
  background: #fffaf0;
  border-left: 3px solid var(--warn);
  font-size: 12.5px; color: var(--ink-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  line-height: 1.55;
}

.rul-chart {
  display: block; width: 100%; height: 108px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.rul-caption { margin: 6px 0 0; font-size: 11.5px; color: var(--muted); font-variant-numeric: tabular-nums; }

.action {
  margin: 0; padding: 10px 12px; font-size: 12.5px;
  background: var(--accent-soft);
  border: 1px solid #bee3f8;
  border-radius: var(--radius-sm);
  color: var(--ink-2);
}

/* ────────── Footer ────────── */
.footer {
  height: 36px; display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  background: var(--panel);
  border-top: 1px solid var(--line);
  font-size: 11.5px; color: var(--muted);
}
.footer a { color: var(--ink-2); }
.footer-right { display: flex; gap: 16px; align-items: center; }
.kbd-hint { color: var(--muted); font-size: 11px; }
.kbd-hint kbd {
  display: inline-block; padding: 1px 4px;
  background: var(--panel-2); border: 1px solid var(--line-strong);
  border-radius: 3px; font-size: 10px; color: var(--ink-2); font-family: inherit;
}

/* ────────── Map popup tweaks ────────── */
.maplibregl-popup { font-family: inherit; }
.maplibregl-popup-content { border-radius: var(--radius); box-shadow: var(--shadow); padding: 8px 10px; font-size: 12px; }

/* ────────── Responsive ────────── */
@media (max-width: 1100px) {
  .layout { grid-template-columns: 260px 1fr 260px; }
}

@media (max-width: 880px) {
  .topbar { grid-template-columns: auto 1fr auto; padding: 8px 12px; }
  .topbar-mid { display: none; }
  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(360px, 55vh) auto auto;
    height: auto; min-height: 0;
  }
  .sidebar { border-left: none; border-right: none; border-top: 1px solid var(--line); max-height: 360px; }
  .map-area { order: -1; }
  .map-controls { width: 190px; padding: 10px 12px; top: 10px; left: 10px; }
  .banner-synth { font-size: 10.5px; padding: 5px 10px; }
  .evidence-meta { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .map-controls { position: relative; top: auto; left: auto; width: auto; margin: 8px; }
  .footer { flex-direction: column; height: auto; padding: 8px 12px; gap: 2px; text-align: center; }
  .footer-right { flex-direction: column; gap: 4px; }
  .evidence-meta { grid-template-columns: 1fr; }
}