/* ═══════════════════════════════════════════════════════════
   OmiScope — self-contained styles
   Drop omiscope.css + omiscope.js into any korblab page
   ═══════════════════════════════════════════════════════════ */

@import url(https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,400;0,500&family=DM+Sans:wght@400;500;600&family=DM+Serif+Display&display=swap);

/* ── Variables ────────────────────────────────────────────── */
:root {
  --omi-ink:       #1a1a2e;
  --omi-ink-soft:  #4a4a6a;
  --omi-ink-faint: #9090b0;
  --omi-bg:        #f7f7fb;
  --omi-surface:   #ffffff;
  --omi-border:    #e2e2ee;
  --omi-accent:    #3a5bba;
  --omi-accent-lt: #eef1fc;
  --omi-red:       #c04060;
  --omi-radius:    10px;
  --omi-shadow:    0 2px 12px rgba(30,30,60,0.08);
  --omi-shadow-lg: 0 8px 32px rgba(30,30,60,0.13);
  --omi-font-head: 'DM Serif Display', Georgia, serif;
  --omi-font-body: 'DM Sans', system-ui, sans-serif;
  --omi-font-mono: 'DM Mono', 'Fira Mono', monospace;
}

/* ── Utilities ────────────────────────────────────────────── */
.omi-hidden { display: none !important; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ── Noscript ─────────────────────────────────────────────── */
.omi-noscript-banner {
  background: #fff8e6;
  border-bottom: 2px solid #e0a020;
  color: #6a4a00;
  padding: 1rem 1.5rem;
  font-size: 15px;
  text-align: center;
  font-family: var(--omi-font-body);
}

/* ── Layout ───────────────────────────────────────────────── */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  font-family: var(--omi-font-body);
  font-size: 17px;
  color: var(--omi-ink);
  background: var(--omi-bg);
  min-height: calc(100vh - 93px);
  box-sizing: border-box;
}

@media (max-width: 640px) {
  main { padding: 1rem; }
}

/* ── Loading overlay ──────────────────────────────────────── */
#omi-loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(247,247,251,0.88);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 1000;
  backdrop-filter: blur(3px);
}

.omi-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--omi-border);
  border-top-color: var(--omi-accent);
  border-radius: 50%;
  animation: omi-spin 0.75s linear infinite;
}

@keyframes omi-spin { to { transform: rotate(360deg); } }

#omi-loading-msg {
  font-family: var(--omi-font-mono);
  font-size: 14px;
  color: var(--omi-ink-soft);
}

/* ── Error banner ─────────────────────────────────────────── */
#omi-error-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: #fff0f3;
  border: 1.5px solid var(--omi-red);
  color: var(--omi-red);
  border-radius: 8px;
  padding: 0.7rem 1.2rem;
  font-size: 15px;
  font-family: var(--omi-font-body);
  box-shadow: var(--omi-shadow-lg);
  z-index: 500;
  max-width: 520px;
  text-align: center;
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--omi-surface);
  border: 1px solid var(--omi-border);
  border-radius: var(--omi-radius);
  box-shadow: var(--omi-shadow);
  padding: 1.5rem;
}

h2.card-title {
  font-family: var(--omi-font-head);
  color: var(--omi-ink-soft);
  margin: 0 0 1rem 0;
  padding: 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 12px;
  font-weight: normal;
  border: none;
  line-height: 1.2;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  font-family: var(--omi-font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 0.45rem 1rem;
  border-radius: 7px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background 0.13s, border-color 0.13s, opacity 0.13s;
  white-space: nowrap;
}
.btn:disabled { opacity: 0.4; cursor: default; }

.btn-primary {
  background: var(--omi-accent);
  color: white;
  border-color: var(--omi-accent);
}
.btn-primary:hover:not(:disabled) { background: #2a48a0; }

.btn-secondary {
  background: var(--omi-surface);
  color: var(--omi-ink);
  border-color: var(--omi-border);
}
.btn-secondary:hover:not(:disabled) { background: var(--omi-bg); border-color: var(--omi-accent); }

.btn-ghost {
  background: transparent;
  color: var(--omi-accent);
  border-color: transparent;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}
.btn-ghost:hover { background: var(--omi-accent-lt); }

.btn-sm {
  font-size: 13px;
  padding: 0.3rem 0.7rem;
}

/* ── Form controls ────────────────────────────────────────── */
select, input[type=text] {
  font-family: var(--omi-font-body);
  font-size: 16px;
  border: 1.5px solid var(--omi-border);
  border-radius: 7px;
  padding: 0.5rem 0.75rem;
  background: var(--omi-bg);
  color: var(--omi-ink);
  outline: none;
  transition: border-color 0.15s;
}
select:focus, input[type=text]:focus {
  border-color: var(--omi-accent);
  background: var(--omi-surface);
}
select { cursor: pointer; }

/* ── Dataset selector ─────────────────────────────────────── */
.dataset-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.dataset-meta { flex: 1; min-width: 200px; display: flex; flex-direction: column; gap: 0.35rem; }
.dataset-meta select { width: 100%; }
.dataset-meta span {
  font-size: 14px;
  color: var(--omi-ink-faint);
}
.dataset-organism {
  font-style: italic;
}

.dataset-citation {
  font-size: 13px;
  color: var(--omi-ink-faint);
  line-height: 1.4;
}

.dataset-citation-label {
  font-weight: 600;
  color: var(--omi-ink-soft);
}

/* ── Gene search ──────────────────────────────────────────── */
.search-organism {
  font-family: var(--omi-font-body);
  font-size: 13px;
  font-style: italic;
  color: var(--omi-ink-faint);
  font-weight: 400;
  letter-spacing: 0;
}

.search-wrap {
  position: relative;
  width: 100%;
  max-width: 420px;
}

.search-wrap input {
  width: 100%;
  padding-left: 2.2rem;
  font-size: 17px;
}

.search-icon {
  position: absolute;
  left: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--omi-ink-faint);
  pointer-events: none;
  font-size: 15px;
}

#search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--omi-surface);
  border: 1.5px solid var(--omi-border);
  border-radius: 8px;
  box-shadow: var(--omi-shadow-lg);
  z-index: 200;
  overflow: hidden;
  max-height: 320px;
  overflow-y: auto;
  letter-spacing: 0;
  word-spacing: 0;
}

.result-item {
  padding: 0.55rem 1rem;
  cursor: pointer;
  font-family: var(--omi-font-mono);
  font-size: 15px;
  letter-spacing: 0;
  word-spacing: 0;
  transition: background 0.1s;
}
.result-item:hover { background: var(--omi-accent-lt); }
.result-item.focused { background: var(--omi-accent-lt); outline: 2px solid var(--omi-accent); outline-offset: -2px; }
.result-item .result-match {
  color: var(--omi-accent);
  font-weight: 700;
}
.no-results {
  padding: 0.7rem 1rem;
  color: var(--omi-ink-faint);
  font-size: 14px;
}

.search-meta {
  margin-top: 0.5rem;
  font-size: 13px;
  color: var(--omi-ink-faint);
  font-family: var(--omi-font-mono);
}

/* ── Selected gene tags ───────────────────────────────────── */
.selected-genes-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 0.85rem;
  flex-wrap: wrap;
}

#selected-genes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  flex: 1;
  min-height: 28px;
  align-items: center;
}

.no-genes-hint {
  font-size: 14px;
  color: var(--omi-ink-faint);
  font-style: italic;
}

.gene-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--omi-accent-lt);
  border: 1.5px solid var(--omi-accent);
  color: var(--omi-accent);
  font-family: var(--omi-font-mono);
  font-size: 14px;
  padding: 0.2rem 0.35rem 0.2rem 0.6rem;
  border-radius: 5px;
  font-weight: 500;
}

.gene-tag-remove {
  background: none;
  border: none;
  color: var(--omi-accent);
  cursor: pointer;
  font-size: 17px;
  line-height: 1;
  padding: 0 0.1rem;
  opacity: 0.6;
  transition: opacity 0.1s;
}
.gene-tag-remove:hover { opacity: 1; }

/* ── Search result states ─────────────────────────────────── */
.result-item.already-selected {
  background: var(--omi-accent-lt);
  color: var(--omi-accent);
}
.result-item.already-selected:hover { background: #dce4f8; }

.result-check {
  margin-left: auto;
  font-size: 14px;
  color: var(--omi-accent);
}

/* ── Plots grid ───────────────────────────────────────────── */
.plots-grid {
  display: grid;
  gap: 1.25rem;
}

.plots-grid.single {
  grid-template-columns: 1fr;
}

.plots-grid.multi {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 750px) {
  .plots-grid.multi { grid-template-columns: 1fr; }
}

.plot-wrapper {
  background: var(--omi-surface);
  border: 1px solid var(--omi-border);
  border-radius: var(--omi-radius);
  box-shadow: var(--omi-shadow);
  padding: 1rem 1rem 0.5rem;
  overflow: hidden;
}

.plot-canvas {
  width: 100%;
  min-height: 440px;
}

/* ── Downloads ────────────────────────────────────────────── */
.download-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

/* ── Y-axis control ───────────────────────────────────────── */
.yaxis-control-card {
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
}

.yaxis-control-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.yaxis-control-row input {
  flex: 1;
  min-width: 180px;
}

/* ── Plotly notifier ──────────────────────────────────────── */
.plotly-notifier {
  position: fixed !important;
  bottom: 2rem !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  top: auto !important;
  right: auto !important;
}
.plotly-notifier:empty { display: none !important; }