:root {
  color-scheme: light;
  --bg: #f4efe4;
  --bg-accent: #e2dcc6;
  --panel: rgba(255, 250, 240, 0.92);
  --line: rgba(76, 62, 45, 0.16);
  --text: #2d241c;
  --muted: #665648;
  --accent: #8f3d24;
  --accent-strong: #6e2710;
  --success: #2c6c4a;
  --shadow: 0 18px 40px rgba(67, 51, 34, 0.12);
  font-family: "Avenir Next", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(170, 114, 77, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(143, 61, 36, 0.12), transparent 34%),
    linear-gradient(180deg, var(--bg) 0%, #f8f5ef 100%);
}

.page-shell {
  width: min(1400px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 3vw, 3.5rem);
  line-height: 0.98;
}

.lede,
.panel-heading p,
.hero-card span,
.status-message {
  color: var(--muted);
}

.hero-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.hero-card {
  padding: 20px;
}

.hero-card-label {
  margin: 0 0 6px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.workspace {
  display: grid;
  gap: 20px;
  position: relative;
  isolation: isolate;
}

.panel {
  padding: 24px;
  position: relative;
  overflow: visible;
  z-index: 1;
}

.igv-panel {
  z-index: 30;
}

.peakfinder-panel {
  z-index: 10;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: baseline;
  margin-bottom: 18px;
}

.panel-heading h2 {
  margin: 0;
}

.panel-heading p {
  margin: 0;
}

.species-row {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
}

.species-row select,
.filter-bar input,
.list-panel select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
}

.picker-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 60px minmax(0, 1fr);
  gap: 16px;
}

.list-panel {
  display: grid;
  gap: 10px;
}

.list-panel select {
  min-height: 240px;
  padding: 8px;
}

.transfer-buttons {
  display: grid;
  gap: 12px;
  align-content: center;
}

button {
  border: 0;
  border-radius: 14px;
  background: #ddd2c2;
  color: var(--text);
  padding: 12px 16px;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: #d2c3ac;
}

.load-button {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff9f5;
}

.controls-footer {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
}

.status-message {
  margin: 0;
}

.notice {
  min-height: 24px;
  margin-bottom: 12px;
  color: var(--muted);
}

.igv-container {
  min-height: 480px;
  border-radius: 18px;
  border: 0;
  overflow: visible;
  position: relative;
  z-index: 2;
  background: rgba(255, 255, 255, 0.72);
}

.igv-popover,
.igv-track-menu-container,
.igv-menu-popup,
.igv-ui-container .igv-popover {
  z-index: 9999 !important;
}

.filter-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
  position: relative;
  z-index: 5;
}

.table-wrap {
  overflow: auto;
  max-height: 620px;
  border: 1px solid var(--line);
  border-radius: 18px;
  position: relative;
  z-index: 1;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  position: sticky;
  top: 0;
  background: #efe6d6;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  cursor: pointer;
}

tbody tr {
  background: rgba(255, 255, 255, 0.8);
}

tbody tr:hover {
  background: rgba(240, 229, 213, 0.88);
}

tbody tr.clickable {
  cursor: pointer;
}

.empty-state {
  color: var(--muted);
  text-align: center;
}

@media (max-width: 980px) {
  .hero,
  .picker-grid,
  .filter-bar,
  .panel-heading {
    grid-template-columns: 1fr;
  }

  .hero,
  .panel-heading {
    display: block;
  }

  .hero-card {
    margin-top: 16px;
  }

  .transfer-buttons {
    grid-auto-flow: column;
    justify-content: center;
  }

  .controls-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}