frontend/src/pages/PotentialAnalysisPage.css

/* ==============================
   Potential Analysis Page Styles  
   ============================== */

.pa-page {
  padding: 12px 16px;
  width: 100%;
}

.pa-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.pa-header-actions {
  display: flex;
  gap: 12px;
}

.pa-title {
  font-size: 1.5rem;
  margin: 0;
}

.pa-btn-save {
  padding: 8px 16px;
  background: #27ae60;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.pa-btn-save:hover { background: #219150; }
.pa-btn-saving { background: #16a085; }

.pa-btn-report {
  padding: 8px 18px;
  background: var(--surface-active);
  color: var(--text-main) !important;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}
.pa-btn-report:hover { 
  background: var(--surface-hover);
  border-color: var(--primary);
  transform: translateY(-1px);
}
.pa-btn-report:active {
  transform: translateY(0);
}
.pa-btn-report:disabled { 
  background: var(--border); 
  color: var(--text-muted) !important;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Toggles for panels */
.pa-panel-toggle:hover {
  color: #3498db;
}
.pa-panel-closed {
  max-height: 48px;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

/* ---------- Top Row ---------- */
.pa-top-row {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.pa-col-streams { flex: 1.0; min-width: 300px; }
.pa-col-demands { flex: 0.5; min-width: 250px; }
.pa-col-map     { flex: 1.5; min-width: 0; }

/* ---------- Panels ---------- */
.pa-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  max-height: 420px;
  overflow-y: auto;
}
.pa-panel-title {
  font-size: 0.85rem;
  font-weight: 700;
  margin: 0 0 8px;
}

/* ---------- Stream list ---------- */
.pa-stream-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.pa-stream-group-title {
  font-weight: 600;
  font-size: 0.8rem;
  margin-top: 4px;
}
.pa-stream-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  cursor: pointer;
  padding: 2px 0;
}
.pa-stream-item input[type="checkbox"] {
  margin: 0;
  flex-shrink: 0;
}
.pa-stream-name {
  font-weight: 500;
  white-space: nowrap;
}
.pa-stream-info {
  color: var(--text-muted);
  font-size: 0.7rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Energy Demands ---------- */
.pa-demand-card {
  margin-bottom: 4px;
}
.pa-demand-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}
.pa-input-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  margin: 4px 0;
}
.pa-number-input {
  width: 80px;
  padding: 3px 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-main);
  border-radius: 4px;
  font-size: 0.75rem;
}
.pa-multi-select {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px 0;
}
.pa-multi-option {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  cursor: pointer;
}
.pa-muted { color: var(--text-muted); font-size: 0.72rem; }

.pa-details {
  font-size: 0.75rem;
}
.pa-details summary {
  cursor: pointer;
  font-weight: 500;
  padding: 2px 0;
}

/* ---------- Buttons ---------- */
.pa-btn {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface-active);
  color: var(--text-main);
  cursor: pointer;
  font-size: 0.75rem;
}
.pa-btn:hover { background: var(--surface-hover); }
.pa-btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
}
.pa-btn-text {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.75rem;
  color: var(--text-link, #1976d2);
  padding: 4px 0;
  text-align: left;
}

/* ---------- Map ---------- */
.pa-map-img {
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 4px;
}

/* ---------- Divider ---------- */
.pa-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 16px 0;
}
.pa-hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 6px 0;
}

/* ---------- Info / warnings ---------- */
.pa-info-box {
  background: var(--primary-light);
  color: var(--text-main);
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 0.8rem;
  line-height: 1.5;
}
.pa-loading {
  font-size: 0.8rem;
  color: var(--text-muted, #888);
  padding: 8px 0;
}
.pa-error {
  background: #ffebee;
  color: #c62828;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 0.8rem;
}
.pa-warning {
  background: #fff3e0;
  color: #e65100;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 0.8rem;
}
.pa-data-status {
  margin-top: 8px;
}
.pa-missing {
  color: #e65100;
  font-size: 0.75rem;
}
.pa-complete {
  color: #2e7d32;
  font-size: 0.75rem;
}

/* ---------- Controls row ---------- */
.pa-controls-row {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.pa-toggle-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  cursor: pointer;
}
.pa-tmin-label {
  font-weight: 500;
}
.pa-tmin-input {
  width: 60px;
}

/* ---------- Metrics ---------- */
.pa-metrics-row {
  display: flex;
  gap: 16px;
  margin: 12px 0;
  flex-wrap: wrap;
}
.pa-metric-card {
  flex: 1;
  min-width: 140px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  text-align: center;
}
.pa-metric-hot, .pa-metric-cold, .pa-metric-pinch, .pa-metric-recovery {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
}
.pa-metric-label {
  font-size: 0.65rem;
  color: #777;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}
.pa-metric-value {
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--text-main);
}

/* ---------- Charts ---------- */
.pa-charts-row {
  display: flex;
  gap: 16px;
}
.pa-charts-row > .pa-chart {
  flex: 1;
  min-width: 0;
}
.pa-chart {
  width: 100%;
}

/* ---------- HPI Layout ---------- */
.pa-hpi-layout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.pa-hpi-table-col {
  flex: 0 0 35%;
  max-width: 35%;
}
.pa-hpi-chart-col {
  flex: 1;
  min-width: 0;
}
.pa-hp-select {
  margin-bottom: 8px;
}
.pa-hp-select > label {
  font-size: 0.8rem;
  font-weight: 500;
  display: block;
  margin-bottom: 4px;
}

/* ---------- Tables ---------- */
.pa-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
  margin: 8px 0;
}
.pa-table th, .pa-table td {
  border: 1px solid var(--border);
  padding: 6px 8px;
  text-align: left;
}
.pa-table th {
  background: var(--primary);
  color: var(--text-on-primary);
  font-weight: 600;
}
.pa-table tr:nth-child(even) { background: var(--bg); }
.pa-table tr:hover { background: var(--surface-hover); }

.pa-hp-table-wrap { margin: 8px 0; }

/* Section labels above each HP group */
.pa-hp-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  margin: 8px 0 4px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Excluded HP section */
.pa-excluded-hp { margin-top: 12px; }

.pa-excluded-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0;
}

/* Each excluded HP is a warning card */
.pa-excluded-card {
  border: 1px solid var(--warning);
  border-left: 4px solid var(--brand-red);
  border-radius: 5px;
  padding: 8px 10px;
  background: var(--surface);
  font-size: 0.75rem;
}
.dark .pa-excluded-card {
  background: #2a2010;
  border-color: #7a5010;
  border-left-color: #e67e22;
}

.pa-excluded-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.pa-excluded-name {
  font-weight: 700;
  color: var(--text-main);
}
.pa-excluded-badge {
  font-size: 0.65rem;
  font-weight: 600;
  background: #e67e22;
  color: #fff;
  border-radius: 3px;
  padding: 1px 6px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.pa-excluded-reason {
  color: var(--text-muted);
  line-height: 1.5;
}
.dark .pa-excluded-reason { color: #b0a090; }

/* ---------- Notes ---------- */
.pa-notes-textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-main);
  border-radius: 4px;
  font-size: 0.8rem;
  font-family: inherit;
  resize: vertical;
}

/* ---------- More info ---------- */
.pa-more-info {
  margin-top: 12px;
}
.pa-more-info summary {
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 6px 0;
}

/* ---------- Section ---------- */
.pa-section {
  margin: 12px 0;
}
.pa-section h3 {
  font-size: 0.9rem;
  margin-bottom: 8px;
}

/* ---------- Dark mode overrides ---------- */
.dark .pa-title, .dark .pa-panel-title, .dark .pa-section h3 {
  color: #ffffff;
}

.dark .pa-metric-label {
  color: #ffffff;
  opacity: 0.9;
}

.dark .pa-hp-section-label {
  color: #ffffff;
  font-weight: 800;
}

.dark .pa-stream-info, .dark .pa-muted, .dark .pa-excluded-reason {
  color: #cbd5e1; /* Light slate/gray-white */
}

.dark .pa-metric-hot      { border-color: #ef4444 !important; background: rgba(239, 68, 68, 0.15) !important; }
.dark .pa-metric-cold     { border-color: #3b82f6 !important; background: rgba(59, 130, 246, 0.15) !important; }
.dark .pa-metric-pinch    { border-color: #a855f7 !important; background: rgba(168, 85, 247, 0.15) !important; }
.dark .pa-metric-recovery { border-color: #22c55e !important; background: rgba(34, 197, 94, 0.15) !important; }