/* === Future Budget Simulator Tab Styles === */

/* Layout */
#tab-future {
  display: none;
  padding: 0;
}

#tab-future.active {
  display: block;
}

.fs-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Section headers */
.fs-section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.fs-section-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.fs-section-header .fs-badge {
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
}

/* KPI Cards Row */
.fs-kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.fs-kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.fs-kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.fs-kpi-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.fs-kpi-value {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.fs-kpi-sub {
  font-size: 0.8rem;
  font-weight: 600;
}

.fs-kpi-sub.positive {
  color: var(--green);
}

.fs-kpi-sub.negative {
  color: var(--red);
}

.fs-kpi-sub.neutral {
  color: var(--text-muted);
}

.fs-kpi-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.fs-kpi-icon.blue { background: var(--accent-dim); }
.fs-kpi-icon.green { background: var(--green-dim); }
.fs-kpi-icon.purple { background: var(--purple-dim); }
.fs-kpi-icon.red { background: var(--red-dim); }
.fs-kpi-icon.yellow { background: var(--yellow-dim); }

/* Cards */
.fs-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.fs-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.fs-card-title .icon {
  font-size: 1.1rem;
}

/* Scenario Selector */
.fs-scenario-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
  align-items: center;
}

.fs-scenario-btn {
  padding: 8px 18px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.fs-scenario-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.fs-scenario-btn.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

/* Sliders */
.fs-sliders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.fs-slider-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 16px;
  background: var(--bg-primary);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.fs-slider-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 600;
}

.fs-slider-value {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 55px;
  text-align: right;
}

.fs-slider-input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}

.fs-slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-card);
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: transform 0.15s;
}

.fs-slider-input::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.fs-slider-input::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-card);
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.fs-slider-budget {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Chart Grid */
.fs-chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
  gap: 20px;
}

.fs-chart-wrapper {
  position: relative;
  min-height: 340px;
}

.fs-chart-wrapper canvas {
  max-height: 380px;
}

/* Comparison Section */
.fs-compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.fs-compare-slot {
  background: var(--bg-primary);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 16px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s;
}

.fs-compare-slot.filled {
  border-style: solid;
  border-color: var(--accent);
}

.fs-compare-slot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.fs-compare-slot-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.fs-compare-slot-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px;
  line-height: 1;
  font-family: inherit;
}

.fs-compare-slot-remove:hover {
  color: var(--red);
}

.fs-compare-slot-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.fs-compare-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}

.fs-compare-item:last-child {
  border-bottom: none;
}

.fs-compare-item-label {
  color: var(--text-secondary);
}

.fs-compare-item-value {
  font-weight: 700;
  color: var(--text-primary);
}

/* International Comparison */
.fs-intl-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.fs-intl-table th {
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

.fs-intl-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
}

.fs-intl-table tr:hover td {
  background: var(--table-row-hover);
}

.fs-intl-flag {
  font-size: 1.2rem;
  margin-right: 6px;
}

.fs-intl-bar-cell {
  position: relative;
  min-width: 120px;
}

.fs-intl-bar {
  height: 22px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  padding-left: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  min-width: 20px;
  transition: width 0.6s ease;
}

/* Save/Load Controls */
.fs-action-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.fs-action-btn {
  padding: 7px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 6px;
}

.fs-action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.fs-action-btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.fs-action-btn.primary:hover {
  background: var(--accent-hover);
}

.fs-action-btn.danger {
  color: var(--red);
  border-color: var(--red);
}

.fs-action-btn.danger:hover {
  background: var(--red-dim);
}

/* Saved Scenarios List */
.fs-saved-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.fs-saved-chip {
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.fs-saved-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.fs-saved-chip .remove {
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.fs-saved-chip .remove:hover {
  color: var(--red);
}

/* Tabs within future sim */
.fs-inner-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
  overflow-x: auto;
}

.fs-inner-tab {
  padding: 10px 20px;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: all 0.2s;
  font-family: inherit;
}

.fs-inner-tab:hover {
  color: var(--text-primary);
}

.fs-inner-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.fs-inner-panel {
  display: none;
}

.fs-inner-panel.active {
  display: block;
}

/* Confidence interval legend */
.fs-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.fs-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.fs-legend-swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  flex-shrink: 0;
}

.fs-legend-line {
  width: 20px;
  height: 3px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* Model selector radio-style */
.fs-model-group {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.fs-model-option {
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.fs-model-option.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

/* Year range display */
.fs-year-range {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.fs-year-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.fs-year-dot.actual {
  background: var(--green);
}

.fs-year-dot.forecast {
  background: var(--yellow);
}

/* Highlight numbers */
.fs-highlight {
  color: var(--accent);
  font-weight: 700;
}

.fs-highlight-green {
  color: var(--green);
  font-weight: 700;
}

.fs-highlight-red {
  color: var(--red);
  font-weight: 700;
}

/* Department mini bar */
.fs-dept-mini-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  margin-top: 4px;
  overflow: hidden;
}

.fs-dept-mini-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s ease;
}

/* Waterfall chart via D3 */
.fs-waterfall-svg {
  width: 100%;
  overflow: visible;
}

.fs-waterfall-svg text {
  fill: var(--text-secondary);
  font-size: 11px;
}

.fs-waterfall-svg .axis text {
  fill: var(--text-secondary);
}

.fs-waterfall-svg .axis line,
.fs-waterfall-svg .axis path {
  stroke: var(--border);
}

/* Responsive */
@media (max-width: 1200px) {
  .fs-chart-grid {
    grid-template-columns: 1fr;
  }
  .fs-compare-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .fs-kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .fs-sliders-grid {
    grid-template-columns: 1fr;
  }
  .fs-chart-grid {
    grid-template-columns: 1fr;
  }
  .fs-chart-wrapper {
    min-height: 260px;
  }
}

/* Dedup group cards */
.fs-dedup-group-card:hover {
  border-color: var(--accent) !important;
}

/* Animation */
@keyframes fs-fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fs-animate {
  animation: fs-fadeIn 0.4s ease forwards;
}

.fs-animate-delay-1 { animation-delay: 0.1s; opacity: 0; }
.fs-animate-delay-2 { animation-delay: 0.2s; opacity: 0; }
.fs-animate-delay-3 { animation-delay: 0.3s; opacity: 0; }
.fs-animate-delay-4 { animation-delay: 0.4s; opacity: 0; }