/* VISU Simulate — operations console layout.
 *
 * Reuses VISU Cloud's --color-* tokens (navy / blue accent) but introduces
 * a scoped set of overrides via .simulate-page for the "operations console"
 * feel (mono KPIs, amber scenario-mode accent matching --color-warning).
 */

.simulate-page {
  --sim-bg-0: var(--color-primary);
  --sim-bg-1: var(--color-surface);
  --sim-bg-2: var(--color-surface-light);
  --sim-bg-3: var(--color-surface-hover);
  --sim-line: rgba(255, 255, 255, 0.08);
  --sim-line-bright: rgba(255, 255, 255, 0.16);
  --sim-ink-0: var(--color-text);
  --sim-ink-1: var(--color-text-dim);
  --sim-ink-2: var(--color-text-muted);

  --sim-mode-live: var(--color-success);
  --sim-mode-predict: var(--color-accent);
  --sim-mode-scenario: var(--color-warning);
  --sim-edge-free: var(--color-success);
  --sim-edge-moderate: #d9b94a;
  --sim-edge-congested: var(--color-danger);

  position: fixed;
  inset: var(--header-height) 0 0 0;
  display: grid;
  grid-template-rows: 48px 1fr;
  grid-template-columns: 300px 1fr 360px;
  grid-template-areas:
    "mode mode mode"
    "left map right";
  background: var(--sim-bg-0);
  color: var(--sim-ink-0);
  font-size: 13px;
  overflow: hidden;
}

.simulate-page .sim-mode-bar {
  grid-area: mode;
  background: var(--sim-bg-1);
  border-bottom: 1px solid var(--sim-line);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
}
.simulate-page .sim-mode-bar h2 {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.simulate-page .sim-mode-switch {
  display: flex;
  background: var(--sim-bg-0);
  border: 1px solid var(--sim-line);
  height: 28px;
  overflow: hidden;
  border-radius: var(--radius-sm);
}
.simulate-page .sim-mode-switch button {
  background: transparent;
  border: none;
  color: var(--sim-ink-2);
  font-family: inherit;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 0 16px;
  cursor: pointer;
  border-right: 1px solid var(--sim-line);
}
.simulate-page .sim-mode-switch button:last-child { border-right: none; }
.simulate-page .sim-mode-switch button.active { background: var(--color-accent); color: var(--sim-bg-0); font-weight: 500; }
.simulate-page .sim-mode-switch button.scenario.active { background: var(--sim-mode-scenario); color: var(--sim-bg-0); }
.simulate-page .sim-mode-switch button:hover:not(.active) { color: var(--sim-ink-0); background: var(--sim-bg-2); }

.simulate-page .sim-mode-bar .sim-mode-right { margin-left: auto; display: flex; gap: 16px; align-items: center; }
.simulate-page .sim-mode-bar .sim-chip {
  font-size: 11px;
  color: var(--sim-ink-1);
  background: var(--sim-bg-2);
  border: 1px solid var(--sim-line);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.simulate-page .sim-left {
  grid-area: left;
  background: var(--sim-bg-1);
  border-right: 1px solid var(--sim-line);
  overflow-y: auto;
}
.simulate-page .sim-right {
  grid-area: right;
  background: var(--sim-bg-1);
  border-left: 1px solid var(--sim-line);
  overflow-y: auto;
}
.simulate-page .sim-section {
  border-bottom: 1px solid var(--sim-line);
  padding: 14px 16px;
}
.simulate-page .sim-section:last-child { border-bottom: none; }
.simulate-page .sim-section-title {
  font-size: 10px;
  color: var(--sim-ink-2);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
}
.simulate-page .sim-section-title .count { color: var(--sim-ink-2); }

.simulate-page .sim-kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--sim-line);
  border: 1px solid var(--sim-line);
}
.simulate-page .sim-kpi-cell { background: var(--sim-bg-1); padding: 10px 12px; }
.simulate-page .sim-kpi-label {
  font-size: 9px;
  color: var(--sim-ink-2);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 4px;
}
.simulate-page .sim-kpi-value {
  font-size: 18px;
  color: var(--sim-ink-0);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.simulate-page .sim-kpi-unit { font-size: 10px; color: var(--sim-ink-2); margin-left: 3px; }
.simulate-page .sim-kpi-delta { font-size: 10px; margin-top: 3px; font-family: var(--font-mono); }
.simulate-page .sim-kpi-delta.pos { color: var(--color-success); }
.simulate-page .sim-kpi-delta.neg { color: var(--color-danger); }

.simulate-page .sim-iv-row {
  background: var(--sim-bg-2);
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-left: 2px solid var(--sim-mode-scenario);
  font-size: 11px;
  margin-bottom: 1px;
}
.simulate-page .sim-iv-row strong { color: var(--sim-ink-0); }
.simulate-page .sim-iv-row .sim-iv-icon { color: var(--sim-mode-scenario); flex-shrink: 0; width: 16px; height: 16px; }
.simulate-page .sim-iv-row .sim-iv-text { flex: 1; color: var(--sim-ink-1); line-height: 1.4; }
.simulate-page .sim-iv-row .sim-iv-remove {
  background: transparent;
  border: none;
  color: var(--sim-ink-2);
  cursor: pointer;
  font-size: 16px;
  padding: 2px 6px;
}
.simulate-page .sim-iv-row .sim-iv-remove:hover { color: var(--color-danger); }
.simulate-page .sim-iv-empty {
  font-size: 10px;
  color: var(--sim-ink-2);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-align: center;
  padding: 14px 0;
}

.simulate-page .sim-map-wrap { grid-area: map; position: relative; background: var(--sim-bg-0); }
.simulate-page #sim-map { position: absolute; inset: 0; }

.simulate-page .sim-toolbar {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(13, 27, 62, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid var(--sim-mode-scenario);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 4;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
.simulate-page .sim-toolbar.hidden { display: none; }
.simulate-page .sim-toolbar .tb-label {
  font-size: 10px;
  color: var(--sim-mode-scenario);
  text-transform: uppercase;
  letter-spacing: 2px;
  border-right: 1px solid var(--sim-line);
  padding-right: 8px;
}
.simulate-page .sim-tool-btn {
  background: var(--sim-bg-2);
  border: 1px solid var(--sim-line);
  color: var(--sim-ink-1);
  font-family: inherit;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 7px 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--radius-sm);
}
.simulate-page .sim-tool-btn:hover { background: var(--sim-bg-3); color: var(--sim-ink-0); border-color: var(--sim-line-bright); }
.simulate-page .sim-tool-btn.active { background: var(--sim-mode-scenario); color: var(--sim-bg-0); border-color: var(--sim-mode-scenario); }
.simulate-page .sim-tool-btn svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 1.5; }

.simulate-page .sim-loader {
  position: absolute;
  inset: 0;
  background: rgba(2, 19, 66, 0.94);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  z-index: 20;
  transition: opacity 0.3s;
}
.simulate-page .sim-loader.hidden { opacity: 0; pointer-events: none; }
.simulate-page .sim-loader-title {
  font-family: var(--font-heading);
  font-size: 24px;
  color: var(--color-warning);
  letter-spacing: 1.5px;
}
.simulate-page .sim-loader-bar {
  width: 280px;
  height: 2px;
  background: var(--sim-bg-3);
  position: relative;
  overflow: hidden;
}
.simulate-page .sim-loader-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--color-warning), transparent);
  animation: simLoaderSlide 1.4s infinite;
}
@keyframes simLoaderSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.simulate-page .sim-loader-status { font-size: 10px; color: var(--sim-ink-2); text-transform: uppercase; letter-spacing: 1.5px; }

.simulate-page .sim-hud {
  position: absolute;
  z-index: 3;
  pointer-events: none;
}
.simulate-page .sim-hud > * { pointer-events: auto; }
.simulate-page .sim-hud-tl { top: 12px; left: 12px; }
.simulate-page .sim-hud-bl { bottom: 12px; left: 12px; }
.simulate-page .sim-hud-br { bottom: 12px; right: 12px; }
.simulate-page .sim-hud-chip {
  background: rgba(13, 27, 62, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--sim-line);
  padding: 6px 10px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--sim-ink-1);
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}
.simulate-page .sim-hud-chip strong { color: var(--sim-ink-0); font-weight: 500; }
.simulate-page .sim-legend {
  background: rgba(13, 27, 62, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--sim-line);
  padding: 10px 12px;
  min-width: 160px;
  border-radius: var(--radius-sm);
}
.simulate-page .sim-legend-title {
  font-size: 9px;
  color: var(--sim-ink-2);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}
.simulate-page .sim-legend-row { display: flex; align-items: center; gap: 8px; font-size: 10px; margin-bottom: 3px; color: var(--sim-ink-1); }
.simulate-page .sim-legend-bar { width: 18px; height: 4px; border-radius: 1px; }

.simulate-page .sim-inspector {
  position: absolute;
  z-index: 10;
  width: 340px;
  background: rgba(2, 19, 66, 0.97);
  backdrop-filter: blur(14px);
  border: 1px solid var(--sim-line-bright);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  max-height: calc(100vh - 200px);
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-sm);
}
.simulate-page .sim-inspector.hidden { display: none; }
.simulate-page .sim-insp-header { display: flex; align-items: flex-start; padding: 12px 14px; border-bottom: 1px solid var(--sim-line); gap: 10px; }
.simulate-page .sim-insp-icon {
  width: 36px;
  height: 36px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--color-warning);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.simulate-page .sim-insp-icon svg { width: 20px; height: 20px; stroke: var(--color-warning); fill: none; stroke-width: 1.5; }
.simulate-page .sim-insp-title { flex: 1; font-family: var(--font-heading); font-size: 16px; color: var(--sim-ink-0); }
.simulate-page .sim-insp-subtitle { font-size: 9px; color: var(--sim-ink-2); text-transform: uppercase; letter-spacing: 1.5px; margin-top: 3px; font-family: var(--font-mono); }
.simulate-page .sim-insp-close { background: transparent; border: none; color: var(--sim-ink-2); font-size: 18px; cursor: pointer; padding: 2px 6px; }
.simulate-page .sim-insp-close:hover { color: var(--color-danger); }
.simulate-page .sim-insp-body { overflow-y: auto; flex: 1; }
.simulate-page .sim-insp-section { padding: 12px 14px; border-bottom: 1px solid var(--sim-line); }
.simulate-page .sim-insp-section:last-child { border-bottom: none; }
.simulate-page .sim-insp-section h4 {
  font-size: 9px;
  color: var(--sim-ink-2);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 10px;
  font-weight: 500;
}

.simulate-page .sim-field { margin-bottom: 10px; }
.simulate-page .sim-field:last-child { margin-bottom: 0; }
.simulate-page .sim-field-label {
  font-size: 10px;
  color: var(--sim-ink-1);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 5px;
  display: flex;
  justify-content: space-between;
}
.simulate-page .sim-field-label .val { color: var(--color-warning); font-family: var(--font-mono); }
.simulate-page .sim-seg { display: flex; background: var(--sim-bg-0); border: 1px solid var(--sim-line); border-radius: var(--radius-sm); overflow: hidden; }
.simulate-page .sim-seg-option {
  flex: 1;
  background: transparent;
  border: none;
  border-right: 1px solid var(--sim-line);
  color: var(--sim-ink-2);
  font-family: inherit;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 7px 4px;
  cursor: pointer;
}
.simulate-page .sim-seg-option:last-child { border-right: none; }
.simulate-page .sim-seg-option:hover { color: var(--sim-ink-0); background: var(--sim-bg-2); }
.simulate-page .sim-seg-option.active { background: var(--color-warning); color: var(--sim-bg-0); font-weight: 500; }
.simulate-page input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--sim-bg-0);
  border: 1px solid var(--sim-line);
}
.simulate-page input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--color-warning);
  border: 2px solid var(--sim-bg-0);
  cursor: pointer;
}
.simulate-page input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--color-warning);
  border: 2px solid var(--sim-bg-0);
  cursor: pointer;
  border-radius: 0;
}
.simulate-page .sim-checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 0;
  font-size: 11px;
  color: var(--sim-ink-1);
}
.simulate-page .sim-checkbox-row input { accent-color: var(--color-warning); }

.simulate-page .sim-optimise-btn {
  width: 100%;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(59, 130, 246, 0.15) 100%);
  border: 1px solid var(--color-info);
  color: var(--color-info);
  font-family: inherit;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 10px;
  cursor: pointer;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.15s;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
}
.simulate-page .sim-optimise-btn:hover { color: var(--sim-ink-0); }
.simulate-page .sim-optimise-btn.busy { pointer-events: none; opacity: 0.6; }
.simulate-page .sim-optimise-btn.busy::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.4), transparent);
  animation: simOptimiseShimmer 1.4s infinite;
}
@keyframes simOptimiseShimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
.simulate-page .sim-optimise-result {
  background: rgba(99, 102, 241, 0.06);
  border-left: 2px solid var(--color-info);
  padding: 10px 12px;
  margin-bottom: 12px;
  font-size: 11px;
  color: var(--sim-ink-1);
  line-height: 1.6;
}
.simulate-page .sim-optimise-result .or-title { font-size: 9px; color: var(--color-info); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 5px; }
.simulate-page .sim-optimise-result ul { list-style: none; padding-left: 0; margin-top: 6px; }
.simulate-page .sim-optimise-result li { padding-left: 12px; position: relative; margin-bottom: 2px; }
.simulate-page .sim-optimise-result li::before { content: '›'; position: absolute; left: 0; color: var(--color-info); }
.simulate-page .sim-optimise-result .obj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--sim-line); }

.simulate-page .sim-insp-footer { padding: 10px 14px; border-top: 1px solid var(--sim-line); background: var(--sim-bg-1); display: flex; gap: 8px; }
.simulate-page .sim-insp-footer button {
  flex: 1;
  background: var(--sim-bg-2);
  border: 1px solid var(--sim-line);
  color: var(--sim-ink-1);
  font-family: inherit;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 8px 10px;
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.simulate-page .sim-insp-footer button.primary {
  background: var(--color-warning);
  color: var(--sim-bg-0);
  border-color: var(--color-warning);
}

.simulate-page .sim-iv-marker {
  width: 28px;
  height: 28px;
  background: rgba(245, 158, 11, 0.2);
  border: 2px solid var(--color-warning);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.simulate-page .sim-iv-marker:hover { transform: scale(1.15); }
.simulate-page .sim-iv-marker svg { width: 16px; height: 16px; stroke: var(--color-warning); fill: none; stroke-width: 2; }

/* Mobile fallback — phases 4 polish, but the bare layout works */
@media (max-width: 768px) {
  .simulate-page {
    grid-template-columns: 1fr;
    grid-template-rows: 48px 1fr 220px;
    grid-template-areas: "mode" "map" "left";
  }
  .simulate-page .sim-right { display: none; }
}