/* ============================================================
   ChemrytUVIR – Spectra Prediction Module Styles
   Extends ELN style.css (loaded first in parent)
   ============================================================ */

:root {
  --uvir-primary:   #1e40af;
  --uvir-accent:    #0ea5e9;
  --uvir-green:     #10b981;
  --uvir-orange:    #f59e0b;
  --uvir-red:       #ef4444;
  --uvir-purple:    #8b5cf6;
  --uvir-bg:        #f8fafc;
  --uvir-border:    #e2e8f0;
  --uvir-text:      #1e293b;
  --uvir-muted:     #64748b;
  --uvir-card-bg:   #ffffff;
  --uvir-shadow:    0 2px 12px rgba(0,0,0,.08);
  --uvir-radius:    10px;
}

/* ── Layout ────────────────────────────────────────────────── */
.uvir-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  grid-template-rows: auto 1fr;
  gap: 18px;
  min-height: calc(100vh - 120px);
  padding: 20px;
  max-width: 1600px;
  margin: 0 auto;
}

@media (max-width: 1100px) {
  .uvir-layout { grid-template-columns: 1fr; }
}

/* ── Panel cards ───────────────────────────────────────────── */
.uvir-panel {
  background: var(--uvir-card-bg);
  border: 1px solid var(--uvir-border);
  border-radius: var(--uvir-radius);
  box-shadow: var(--uvir-shadow);
  overflow: hidden;
}

.uvir-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--uvir-primary), var(--uvir-accent));
  color: #fff;
  font-weight: 600;
  font-size: .9rem;
  letter-spacing: .02em;
}
.uvir-panel-header i { font-size: 1rem; opacity: .9; }

.uvir-panel-body { padding: 16px 18px; }

/* ── Left column (input) ───────────────────────────────────── */
.uvir-input-panel { grid-row: 1 / span 2; }

/* Sketcher container */
#ocl-sketcher-wrap {
  border: 2px solid var(--uvir-border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 14px;
  background: #f8fafc;
  position: relative;
}
#ocl-sketcher-wrap canvas { display: block; }

/* SMILES input */
.uvir-smiles-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}
.uvir-smiles-input {
  flex: 1;
  font-family: 'Courier New', monospace;
  font-size: .82rem;
  padding: 8px 12px;
  border: 1.5px solid var(--uvir-border);
  border-radius: 6px;
  transition: border-color .2s;
}
.uvir-smiles-input:focus {
  outline: none;
  border-color: var(--uvir-accent);
}

/* Spectrum type selector */
.uvir-type-selector {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.uvir-type-btn {
  flex: 1;
  padding: 7px 10px;
  border: 1.5px solid var(--uvir-border);
  border-radius: 6px;
  background: #f1f5f9;
  color: var(--uvir-muted);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  text-align: center;
}
.uvir-type-btn:hover { border-color: var(--uvir-accent); color: var(--uvir-accent); }
.uvir-type-btn.active {
  background: var(--uvir-primary);
  border-color: var(--uvir-primary);
  color: #fff;
}

/* Predict button */
.uvir-predict-btn {
  width: 100%;
  padding: 11px;
  background: linear-gradient(135deg, var(--uvir-green), #059669);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .03em;
  cursor: pointer;
  transition: opacity .2s, transform .1s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.uvir-predict-btn:hover { opacity: .92; }
.uvir-predict-btn:active { transform: scale(.98); }
.uvir-predict-btn:disabled { opacity: .55; cursor: not-allowed; }

/* Descriptors table */
.uvir-desc-table {
  width: 100%;
  font-size: .82rem;
  border-collapse: collapse;
  margin-top: 12px;
}
.uvir-desc-table td { padding: 5px 8px; }
.uvir-desc-table tr:nth-child(even) td { background: #f8fafc; }
.uvir-desc-table td:first-child { color: var(--uvir-muted); width: 48%; }
.uvir-desc-table td:last-child { font-weight: 600; color: var(--uvir-text); }

/* Functional groups chips */
.uvir-fg-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}
.uvir-fg-chip {
  padding: 2px 9px;
  background: #eff6ff;
  color: var(--uvir-primary);
  border: 1px solid #bfdbfe;
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 600;
  white-space: nowrap;
}

/* ── Right column (spectra) ────────────────────────────────── */
.uvir-spectrum-panel {
  display: flex;
  flex-direction: column;
}

/* Spectrum tabs */
.uvir-spec-tabs {
  display: flex;
  border-bottom: 2px solid var(--uvir-border);
  padding: 0 4px;
  background: #f8fafc;
}
.uvir-spec-tab {
  padding: 10px 22px;
  font-size: .88rem;
  font-weight: 600;
  color: var(--uvir-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color .2s, border-color .2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.uvir-spec-tab:hover { color: var(--uvir-primary); }
.uvir-spec-tab.active {
  color: var(--uvir-primary);
  border-bottom-color: var(--uvir-primary);
  background: #fff;
}

/* Chart area */
.uvir-chart-area {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.uvir-chart-container {
  flex: 1;
  min-height: 320px;
  position: relative;
}
#uvir-chart { width: 100%; height: 100%; min-height: 320px; }

/* Spectrum colour bars */
.uvir-tab-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.dot-uvvis { background: var(--uvir-accent); }
.dot-ir    { background: var(--uvir-orange); }
.dot-ms    { background: var(--uvir-purple); }

/* ── Peak table ────────────────────────────────────────────── */
.uvir-peak-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
  margin-top: 12px;
}
.uvir-peak-table thead th {
  background: #f1f5f9;
  color: var(--uvir-muted);
  font-weight: 700;
  padding: 7px 10px;
  text-align: left;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.uvir-peak-table tbody tr { border-bottom: 1px solid var(--uvir-border); }
.uvir-peak-table tbody tr:hover td { background: #f8fafc; }
.uvir-peak-table tbody td { padding: 7px 10px; }
.peak-val { font-weight: 700; color: var(--uvir-text); }
.peak-label { color: var(--uvir-muted); font-size: .78rem; }

/* ── Status / spinner ──────────────────────────────────────── */
.uvir-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .85rem;
  color: var(--uvir-muted);
  padding: 20px;
  justify-content: center;
}
.uvir-spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--uvir-border);
  border-top-color: var(--uvir-accent);
  border-radius: 50%;
  animation: uvir-spin .7s linear infinite;
}
@keyframes uvir-spin { to { transform: rotate(360deg); } }

/* ── Alert / info box ──────────────────────────────────────── */
.uvir-info {
  background: #eff6ff;
  border-left: 4px solid var(--uvir-accent);
  padding: 10px 14px;
  border-radius: 4px;
  font-size: .83rem;
  color: #1e40af;
  margin-bottom: 12px;
}
.uvir-info i { margin-right: 6px; }

.uvir-alert-danger {
  background: #fef2f2;
  border-left: 4px solid var(--uvir-red);
  padding: 10px 14px;
  border-radius: 4px;
  font-size: .83rem;
  color: #991b1b;
  margin-bottom: 12px;
}

/* ── Save modal ────────────────────────────────────────────── */
.uvir-modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.4);
  z-index: 9000;
  align-items: center;
  justify-content: center;
}
.uvir-modal-overlay.show { display: flex; }
.uvir-modal {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 8px 40px rgba(0,0,0,.2);
  width: 440px;
  max-width: 95vw;
  overflow: hidden;
}
.uvir-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--uvir-primary), var(--uvir-accent));
  color: #fff;
}
.uvir-modal-header h5 { font-size: .95rem; font-weight: 700; margin: 0; }
.uvir-modal-close {
  background: none; border: none; color: rgba(255,255,255,.8);
  font-size: 1.2rem; cursor: pointer; padding: 0;
}
.uvir-modal-close:hover { color: #fff; }
.uvir-modal-body { padding: 20px; }
.uvir-modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--uvir-border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ── History page table ────────────────────────────────────── */
.uvir-hist-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}
.uvir-hist-table thead th {
  background: #f1f5f9;
  padding: 10px 12px;
  text-align: left;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--uvir-muted);
  font-weight: 700;
}
.uvir-hist-table tbody tr { border-bottom: 1px solid var(--uvir-border); cursor: pointer; }
.uvir-hist-table tbody tr:hover td { background: #f0f9ff; }
.uvir-hist-table tbody td { padding: 10px 12px; }

/* ── SMILES example buttons ────────────────────────────────── */
.uvir-examples { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.uvir-example-btn {
  padding: 4px 10px;
  font-size: .75rem;
  background: #f8fafc;
  border: 1px solid var(--uvir-border);
  border-radius: 20px;
  cursor: pointer;
  transition: all .15s;
  font-family: 'Courier New', monospace;
}
.uvir-example-btn:hover {
  background: var(--uvir-primary);
  color: #fff;
  border-color: var(--uvir-primary);
}

/* ── Toolbar above chart ───────────────────────────────────── */
.uvir-chart-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}
.uvir-toolbar-title {
  font-size: .85rem;
  font-weight: 700;
  color: var(--uvir-text);
}
.uvir-toolbar-actions { display: flex; gap: 8px; }
.uvir-btn-sm {
  padding: 5px 12px;
  font-size: .78rem;
  font-weight: 600;
  border-radius: 5px;
  cursor: pointer;
  border: 1.5px solid var(--uvir-border);
  background: #f8fafc;
  color: var(--uvir-text);
  transition: all .15s;
}
.uvir-btn-sm:hover { background: var(--uvir-primary); color: #fff; border-color: var(--uvir-primary); }
.uvir-btn-sm.primary { background: var(--uvir-primary); color: #fff; border-color: var(--uvir-primary); }
.uvir-btn-sm.success { background: var(--uvir-green); color: #fff; border-color: var(--uvir-green); }

/* ── Placeholder (no prediction yet) ──────────────────────── */
.uvir-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 320px;
  color: var(--uvir-muted);
  text-align: center;
  gap: 12px;
}
.uvir-placeholder i { font-size: 3rem; opacity: .3; }
.uvir-placeholder p { font-size: .9rem; max-width: 260px; line-height: 1.5; }

/* ── Scrollable peak list ──────────────────────────────────── */
.uvir-peak-scroll {
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid var(--uvir-border);
  border-radius: 6px;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .uvir-layout { padding: 10px; gap: 12px; }
  .uvir-chart-container { min-height: 240px; }
  #uvir-chart { min-height: 240px; }
}