/* ==========================================================================
   Flooring Planners - Flagship Calculator Design System
   Reusable across Flooring, Cost, Vinyl Plank, Tile, and Box Calculators
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Calculator Workspace Layout & Shell
   -------------------------------------------------------------------------- */
.calculator-container {
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (max-width: 360px) {
  .calculator-container {
    padding-left: var(--space-2) !important;
    padding-right: var(--space-2) !important;
  }
  .calculator-input-panel {
    padding: var(--space-3) !important;
  }
}

@media (min-width: 768px) {
  .calculator-container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

.calc-intro-header {
  margin-bottom: var(--space-6);
}

.calc-intro-header .badge {
  margin-bottom: var(--space-2);
}

.calc-intro-header h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  font-weight: 800;
  color: var(--color-text-primary);
  line-height: 1.2;
  margin-bottom: var(--space-2);
}

.calc-intro-desc {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 760px;
}

.calc-feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.calc-feature-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

/* Two-Column Calculator Shell */
.calculator-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
  align-items: start;
  min-width: 0;
}

@media (min-width: 1024px) {
  .calculator-shell {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: var(--space-8);
  }
}

/* --------------------------------------------------------------------------
   2. Input Workspace Panel (Left Column)
   -------------------------------------------------------------------------- */
.calculator-input-panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  min-width: 0;
}

@media (min-width: 480px) {
  .calculator-input-panel {
    padding: var(--space-5);
  }
}

@media (min-width: 768px) {
  .calculator-input-panel {
    padding: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .calculator-input-panel {
    padding: var(--space-8);
  }
}

.calc-section {
  padding-bottom: var(--space-6);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.calc-section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.calc-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-1);
}

.calc-section-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.calc-section-title svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.calc-section-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

/* --------------------------------------------------------------------------
   3. Room Measurements UI
   -------------------------------------------------------------------------- */
.rooms-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.room-item {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  position: relative;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.room-item:focus-within {
  border-color: var(--color-primary-border);
  box-shadow: 0 0 0 1px var(--color-primary-border);
}

.room-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  gap: var(--space-2);
}

.room-name-input {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.65rem;
  width: 100%;
  max-width: 200px;
  transition: border-color var(--transition-fast);
}

.room-name-input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 2px rgba(27, 42, 74, 0.1);
}

.room-subtotal-badge {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-primary-border);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.btn-remove-room {
  background: transparent;
  border: 1px solid transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.btn-remove-room:hover {
  color: #dc2626;
  background-color: #fee2e2;
  border-color: #fca5a5;
}

.btn-remove-room:disabled,
.btn-remove-room[hidden] {
  display: none !important;
}

/* Dimensions Grid & Form Fields */
.dimensions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 480px) {
  .dimensions-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
}

.dimension-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.dimension-group-label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.dimension-inputs-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.input-unit-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-unit-wrapper input,
.input-unit-wrapper select {
  width: 100%;
  padding: 0.65rem 2.2rem 0.65rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-unit-wrapper input:focus,
.input-unit-wrapper select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(27, 42, 74, 0.12);
}

.input-unit-label {
  position: absolute;
  right: 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  pointer-events: none;
}

.btn-add-room {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  border: 1px dashed var(--color-primary-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-add-room:hover {
  background-color: #dbeafe;
  border-color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   4. Waste Allowance Segmented Options
   -------------------------------------------------------------------------- */
.waste-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

@media (min-width: 500px) {
  .waste-options-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.waste-pill-label {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  text-align: center;
  position: relative;
}

.waste-pill-label input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.waste-pill-label:hover {
  background-color: var(--color-surface-subtle);
  border-color: var(--color-border-subtle);
}

.waste-pill-label:has(input[type="radio"]:checked) {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.custom-waste-wrapper {
  display: none;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  max-width: 220px;
}

.custom-waste-wrapper.is-active {
  display: flex;
}

/* --------------------------------------------------------------------------
   5. Price Mode Selector & Inputs
   -------------------------------------------------------------------------- */
.price-toggle-group {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.price-toggle-btn {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.price-toggle-btn:hover {
  background: var(--color-surface-subtle);
  color: var(--color-text-primary);
}

.price-toggle-btn.is-active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

/* Inline Errors */
.calc-error-message {
  color: #b91c1c;
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-top: var(--space-4);
  display: none;
}

.calc-error-message.is-visible {
  display: block;
}

/* Main Form Actions */
.calc-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.btn-reset {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 0.75rem 1.25rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-reset:hover {
  background: var(--color-surface-subtle);
  color: var(--color-text-primary);
  border-color: var(--color-border-subtle);
}

/* --------------------------------------------------------------------------
   6. Results / Project Summary Panel (Right Column)
   -------------------------------------------------------------------------- */
.calculator-results-panel {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

@media (min-width: 480px) {
  .calculator-results-panel {
    padding: var(--space-5);
  }
}

@media (min-width: 768px) {
  .calculator-results-panel {
    padding: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .calculator-results-panel {
    padding: var(--space-8);
    position: sticky;
    top: calc(var(--header-height) + var(--space-4));
    align-self: start;
  }
}

/* Empty State / Active State Switch */
.calc-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-8) var(--space-4);
}

.calc-empty-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.calc-empty-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.calc-empty-text {
  font-size: 0.925rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  max-width: 320px;
  margin-bottom: var(--space-5);
}

.calc-empty-checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: left;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  width: 100%;
  max-width: 320px;
}

.calc-empty-checklist span {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.calc-empty-checklist svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.calc-results-content {
  display: none;
}

/* When calculated */
.calculator-results-panel.is-active {
  border-color: var(--color-primary-border);
  box-shadow: var(--shadow-md);
}

.calculator-results-panel.is-active .calc-empty-state {
  display: none;
}

.calculator-results-panel.is-active .calc-results-content {
  display: block;
  animation: fadeIn 200ms ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Results Header & Dark Top Banner */
.calc-results-top-banner {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  margin: -1.25rem -1.25rem 1.25rem -1.25rem;
}

.calc-results-top-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.calc-results-top-title svg {
  color: var(--color-accent);
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: var(--space-2);
}

.results-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text-primary);
}

.results-actions-top {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-tool-action {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-tool-action:hover {
  background: var(--color-surface-subtle);
  color: var(--color-primary);
  border-color: var(--color-primary-border);
}

/* Primary Result Hero Box */
.primary-result-hero {
  background: linear-gradient(135deg, #ffffff 0%, #fffbf8 100%);
  border: 1.5px solid var(--color-accent-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
  margin-bottom: var(--space-5);
  box-shadow: 0 2px 8px rgba(217, 107, 39, 0.08);
}

.primary-result-label {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent-text);
  margin-bottom: var(--space-1);
}

.primary-result-value {
  font-size: clamp(2rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--color-accent-text);
  line-height: 1.1;
}

.primary-result-sub {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  line-height: 1.4;
}

/* 3-Tier Flow Breakdown (Measured -> Required -> Purchased) */
.result-flow-stepper {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.flow-tier-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.flow-tier-name {
  font-weight: 600;
  color: var(--color-text-secondary);
}

.flow-tier-val {
  font-weight: 700;
  color: var(--color-text-primary);
}

.flow-tier-arrow {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  line-height: 1;
}

/* Results Metrics Grid */
.results-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

@media (min-width: 480px) {
  .results-metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }
}

.metric-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
}

.metric-card-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  margin-bottom: 0.2rem;
}

.metric-card-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.metric-card-note {
  font-size: 0.775rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
  line-height: 1.35;
}

/* Multi-room Breakdown */
.rooms-breakdown-box {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.rooms-breakdown-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.rooms-breakdown-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.rooms-breakdown-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  padding: 0.25rem 0;
  border-bottom: 1px dashed var(--color-border);
}

.rooms-breakdown-item:last-child {
  border-bottom: none;
}

/* Math Transparency Box */
.calc-transparency-box {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-top: var(--space-4);
}

.calc-transparency-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.calc-transparency-steps {
  font-family: var(--font-mono);
  font-size: 0.825rem;
  color: var(--color-text-secondary);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  line-height: 1.55;
}

/* Copy Toast Feedback */
.copy-toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background-color: var(--color-text-primary);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.copy-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --------------------------------------------------------------------------
   7. Reusable Classes for Other Calculators
   -------------------------------------------------------------------------- */
/* Area Mode Tabs (Cost Calculator) */
.area-mode-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.area-mode-tab {
  flex: 1 1 140px;
  min-width: 0;
  padding: 0.65rem var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  text-align: center;
  transition: all var(--transition-fast);
}

.area-mode-tab:hover {
  background: var(--color-surface-subtle);
  color: var(--color-text-primary);
}

.area-mode-tab.is-active {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

/* Optional Project Cost Accordions & Toggle Cards */
.optional-costs-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cost-option-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.cost-option-card.is-expanded {
  border-color: var(--color-primary-border);
  background: var(--color-surface);
}

.cost-option-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.cost-option-title-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.cost-option-checkbox {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.cost-option-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.cost-option-sub {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.cost-option-body {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px dashed var(--color-border);
  display: none;
}

.cost-option-card.is-expanded .cost-option-body {
  display: block;
  animation: fadeIn 150ms ease;
}

/* Taxable Categories Checkbox Group */
.taxable-categories-box {
  margin-top: var(--space-3);
  padding: var(--space-3);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.taxable-categories-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.taxable-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-2);
}

.taxable-cat-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.taxable-cat-label input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-primary);
}

/* Custom Cost Rows */
.custom-costs-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.custom-cost-row {
  display: grid;
  grid-template-columns: 1fr 120px 32px;
  gap: var(--space-2);
  align-items: center;
}

@media (max-width: 480px) {
  .custom-cost-row {
    grid-template-columns: 1fr 90px 28px;
  }
}

.custom-cost-row input {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

/* Toggle Button Groups (Reusable for Units, Packaging Modes, Pricing) */
.toggle-group {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.toggle-btn {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toggle-btn:hover {
  background: var(--color-surface-subtle);
  color: var(--color-text-primary);
}

.toggle-btn.is-active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Layout Note Banner (Tile Calculator) */
.layout-note-banner {
  margin-top: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-bg);
  border-left: 3px solid var(--color-primary);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  display: none;
}

.layout-note-banner.is-visible {
  display: block;
}

/* Checkbox / Toggle Option Cards (Flooring Box Calculator) */
.calc-checkbox-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  margin-bottom: var(--space-3);
  transition: all var(--transition-fast);
}

.calc-checkbox-card:hover {
  background-color: var(--color-surface-subtle);
}

.calc-checkbox-card input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.calc-checkbox-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-primary);
  cursor: pointer;
}

.calc-collapsible-content {
  display: none;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--color-border);
}

.calc-collapsible-content.is-active {
  display: block;
}

/* Cost Distribution Bar & Legend */
.cost-distribution-box {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.cost-distribution-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.cost-bar-track {
  height: 14px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  display: flex;
  margin-bottom: var(--space-3);
}

.cost-bar-segment {
  height: 100%;
  transition: width 300ms ease;
}

.seg-material { background-color: var(--color-primary); }
.seg-labor { background-color: #059669; }
.seg-other { background-color: var(--color-accent); }
.seg-tax { background-color: #6366f1; }

.cost-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.cost-legend-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.cost-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  display: inline-block;
}

/* Itemized Cost Breakdown Table */
.cost-breakdown-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.cost-breakdown-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.cost-breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.cost-breakdown-table th,
.cost-breakdown-table td {
  padding: 0.4rem 0;
  text-align: left;
  border-bottom: 1px dashed var(--color-border);
}

.cost-breakdown-table td:last-child {
  text-align: right;
  font-weight: 600;
  color: var(--color-text-primary);
}

.cost-breakdown-table tr.cost-breakdown-total td {
  border-top: 2px solid var(--color-border);
  border-bottom: none;
  padding-top: var(--space-2);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   8. Next Steps Module (.calc-next-steps)
   Standardized 1 Guide + 1 Companion Tool CTA
   -------------------------------------------------------------------------- */
.calc-next-steps {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.next-steps-header {
  margin-bottom: var(--space-3);
}

.next-steps-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.next-steps-subtitle {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.next-steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.next-step-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.next-step-card:hover,
.next-step-card:focus-visible {
  border-color: var(--color-primary);
  background-color: var(--color-surface);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.next-step-badge {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.next-step-badge-calc {
  color: var(--color-accent-text);
  background-color: var(--color-accent-border);
}

.next-step-content {
  flex-grow: 1;
}

.next-step-heading {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 2px;
  line-height: 1.3;
}

.next-step-desc {
  font-size: 0.775rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
  margin: 0 0 var(--space-2) 0;
}

.next-step-link {
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.next-step-card:hover .next-step-link {
  text-decoration: underline;
}

/* Button Copied Success State */
.btn-tool-action.btn-copied-success,
.btn.btn-copied-success {
  background-color: var(--color-primary) !important;
  color: #ffffff !important;
  border-color: var(--color-primary) !important;
}

/* --------------------------------------------------------------------------
   9. Standardized Print Styles
   Clean estimate only; excludes chrome, menus, buttons, articles, and FAQs.
   -------------------------------------------------------------------------- */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 11pt;
    line-height: 1.4;
  }

  .site-header,
  .site-footer,
  .breadcrumbs,
  .jump-nav,
  .calc-actions,
  .results-actions,
  .results-actions-top,
  .calc-actions-grid,
  .btn-tool-action,
  .btn-add-room,
  .btn-remove-room,
  .btn-reset-calc,
  .btn-calculate,
  .disclaimer-banner,
  .section,
  .skip-link,
  .copy-toast,
  .mobile-nav-drawer,
  .calculator-input-panel,
  .calc-empty-state,
  .results-placeholder,
  .results-empty-card,
  .calc-editorial-content,
  .calc-faq-section,
  .faq-section,
  .calc-related-section,
  .related-guides,
  .calc-next-steps,
  .carpet-print-only-header,
  .print-only-site-footer {
    display: none !important;
  }

  .calculator-shell {
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .calculator-results-panel,
  .results-panel,
  #calculator-results-container,
  #hardwood-results-container {
    display: block !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .calc-results-content,
  .results-content,
  #results-active-state,
  #results-active {
    display: block !important;
  }

  .print-only-header {
    display: block !important;
    margin-bottom: 14pt !important;
    border-bottom: 2pt solid #1b2a4a !important;
    padding-bottom: 8pt !important;
  }

  .print-only-header h1,
  .print-only-header h2 {
    font-size: 16pt !important;
    font-weight: 800 !important;
    color: #1b2a4a !important;
    margin: 0 0 4pt 0 !important;
  }

  .print-only-header p {
    font-size: 9pt !important;
    color: #555555 !important;
    margin: 0 !important;
  }

  .primary-result-hero,
  .hero-result-card,
  .results-hero-card {
    background: #f8fafc !important;
    border: 1.5pt solid #1b2a4a !important;
    box-shadow: none !important;
    padding: 10pt !important;
    margin-bottom: 12pt !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .primary-result-label,
  .results-hero-label {
    color: #1b2a4a !important;
  }

  .primary-result-value,
  .hero-result-val,
  .results-hero-val {
    color: #1b2a4a !important;
    font-size: 20pt !important;
  }

  .result-flow-stepper,
  .calculation-flow-card {
    border: 1pt solid #cbd5e1 !important;
    background: #ffffff !important;
    margin-bottom: 12pt !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .flow-tier-row {
    border-color: #e2e8f0 !important;
    background: #ffffff !important;
  }

  .results-metrics-grid,
  .metrics-grid {
    border: 1pt solid #cbd5e1 !important;
    background: #ffffff !important;
    margin-bottom: 12pt !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .metric-card {
    border: 1pt solid #e2e8f0 !important;
    background: #ffffff !important;
  }

  .calc-transparency-box {
    border: 1pt solid #cbd5e1 !important;
    background: #f8fafc !important;
    margin-top: 12pt !important;
    margin-bottom: 12pt !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .print-only-disclaimer {
    display: block !important;
    margin-top: 14pt !important;
    border-top: 1pt solid #cbd5e1 !important;
    padding-top: 8pt !important;
    font-size: 8pt !important;
    color: #64748b !important;
    line-height: 1.4 !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

.print-only-header,
.print-only-disclaimer {
  display: none;
}

/* ==========================================================================
   Project Estimate & Modal Dialog System (Phase 3 - Step 22)
   Zero-dependency, accessible, browser-local project management styles
   ========================================================================== */

/* Modal Backdrop Overlay */
.fp-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  padding: var(--space-4, 16px);
  box-sizing: border-box;
}

.fp-modal-overlay.is-open {
  display: flex;
}

/* Modal Window Card */
.fp-modal-card {
  background: #ffffff;
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-lg, 12px);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  animation: fpModalFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

@keyframes fpModalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Modal Header */
.fp-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  background: #ffffff;
}

.fp-modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary, #0f172a);
  margin: 0;
}

.fp-modal-close-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary, #64748b);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm, 6px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast, 0.15s ease);
}

.fp-modal-close-btn:hover {
  background: var(--color-surface-subtle, #f1f5f9);
  color: var(--color-text-primary, #0f172a);
}

/* Modal Body */
.fp-modal-body {
  padding: 20px;
}

.fp-modal-field {
  margin-bottom: 16px;
}

.fp-modal-label {
  display: block;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-text-primary, #0f172a);
  margin-bottom: 6px;
}

.fp-modal-input {
  width: 100%;
  padding: 9px 12px;
  font-size: 0.875rem;
  border: 1px solid var(--color-border, #cbd5e1);
  border-radius: var(--radius-md, 6px);
  background: #ffffff;
  color: var(--color-text-primary, #0f172a);
  box-sizing: border-box;
  transition: border-color var(--transition-fast, 0.15s ease), box-shadow var(--transition-fast, 0.15s ease);
}

.fp-modal-input:focus {
  border-color: var(--color-primary, #059669);
  outline: none;
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
}

.fp-modal-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-secondary, #64748b);
  margin-top: 4px;
  line-height: 1.4;
}

.fp-modal-error-alert {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  padding: 10px 12px;
  border-radius: var(--radius-sm, 6px);
  font-size: 0.825rem;
  margin-bottom: 16px;
}

.fp-privacy-box {
  background: var(--color-surface-subtle, #f8fafc);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-sm, 6px);
  padding: 10px 12px;
  margin-top: 14px;
  font-size: 0.775rem;
  color: var(--color-text-secondary, #64748b);
  line-height: 1.45;
}

/* Modal Footer */
.fp-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--color-border, #e2e8f0);
  background: var(--color-surface-subtle, #f8fafc);
}

/* Toast Notifications */
.fp-save-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100000;
  background: #0f172a;
  color: #ffffff;
  border-radius: var(--radius-md, 8px);
  padding: 12px 18px;
  box-shadow: 0 10px 20px -3px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  max-width: 90vw;
}

.fp-save-toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.fp-toast-content {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  font-weight: 500;
}

.fp-toast-link {
  color: #34d399;
  text-decoration: underline;
  margin-left: 4px;
  font-weight: 600;
  white-space: nowrap;
}

.fp-toast-link:hover {
  color: #6ee7b7;
}

/* Button Danger Variant */
.btn-danger-action {
  color: #b91c1c !important;
  border-color: #fecaca !important;
}

.btn-danger-action:hover {
  background: #fef2f2 !important;
  color: #991b1b !important;
  border-color: #fca5a5 !important;
}

.btn-danger {
  background: #dc2626;
  color: #ffffff;
  border: 1px solid #b91c1c;
}

.btn-danger:hover {
  background: #b91c1c;
  color: #ffffff;
}

/* Project Estimate Utility Page Layout */
.project-management-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--space-8, 32px) var(--space-4, 16px);
}

.fp-utility-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.fp-toolbar-summary {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fp-pill {
  background: var(--color-surface-subtle, #f1f5f9);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: 9999px;
  padding: 4px 12px;
  font-size: 0.8rem;
  color: var(--color-text-secondary, #475569);
}

.fp-projects-container {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.fp-project-card {
  background: #ffffff;
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-lg, 12px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.fp-project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border, #e2e8f0);
  background: #f8fafc;
  flex-wrap: wrap;
  gap: 16px;
}

.fp-project-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text-primary, #0f172a);
  margin: 0 0 6px 0;
  line-height: 1.25;
}

.fp-project-meta {
  font-size: 0.825rem;
  color: var(--color-text-secondary, #64748b);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.fp-bullet {
  color: var(--color-text-muted, #94a3b8);
}

.fp-project-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Combined Cost Banner */
.fp-project-cost-banner {
  background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
  border-bottom: 1px solid #a7f3d0;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.fp-cost-banner-left {
  display: flex;
  flex-direction: column;
}

.fp-cost-banner-label {
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #047857;
  margin-bottom: 2px;
}

.fp-cost-banner-val {
  font-size: 1.75rem;
  font-weight: 800;
  color: #065f46;
  line-height: 1.1;
}

.fp-cost-banner-right {
  display: flex;
  flex-direction: column;
  max-width: 540px;
}

.fp-cost-banner-note {
  font-size: 0.825rem;
  font-weight: 600;
  color: #047857;
  line-height: 1.4;
}

.fp-cost-banner-sub {
  font-size: 0.75rem;
  color: #065f46;
  opacity: 0.85;
  margin-top: 3px;
  line-height: 1.4;
}

/* Estimates List & Cards */
.fp-estimates-list {
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fp-estimate-entry-card {
  background: #ffffff;
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-md, 8px);
  padding: 16px 20px;
  transition: border-color var(--transition-fast, 0.15s ease), box-shadow var(--transition-fast, 0.15s ease);
}

.fp-estimate-entry-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.fp-entry-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.fp-entry-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.fp-entry-tool-name {
  font-size: 0.975rem;
  font-weight: 700;
  color: var(--color-text-primary, #0f172a);
}

.fp-entry-room-badge {
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 600;
}

.fp-entry-scen-badge {
  background: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 600;
}

.fp-entry-date {
  font-size: 0.75rem;
  color: var(--color-text-muted, #94a3b8);
}

.fp-entry-body {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.fp-entry-primary-box {
  background: var(--color-surface-subtle, #f8fafc);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: 6px;
  padding: 8px 14px;
  min-width: 160px;
  box-sizing: border-box;
}

.fp-entry-primary-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary, #64748b);
  margin-bottom: 2px;
}

.fp-entry-primary-val {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary, #059669);
  line-height: 1.15;
}

.fp-entry-inputs-preview {
  font-size: 0.825rem;
  color: var(--color-text-secondary, #475569);
  line-height: 1.5;
  flex: 1;
}

.fp-entry-cost-row {
  margin-top: 4px;
  color: var(--color-text-primary, #0f172a);
  font-weight: 500;
}

.fp-entry-details-accordion {
  background: #f8fafc;
  border-top: 1px dashed var(--color-border, #e2e8f0);
  margin: 12px -20px 14px -20px;
  padding: 14px 20px;
}

.fp-details-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.fp-details-section h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 6px 0;
  color: var(--color-text-secondary, #64748b);
}

.fp-details-section ul {
  margin: 0;
  padding-left: 18px;
  font-size: 0.8rem;
  color: var(--color-text-secondary, #475569);
  line-height: 1.5;
}

.fp-entry-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border, #f1f5f9);
  padding-top: 12px;
  flex-wrap: wrap;
  gap: 10px;
}

.fp-entry-footer-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.fp-entry-footer-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fp-btn-link {
  background: none;
  border: none;
  color: var(--color-primary, #059669);
  font-size: 0.825rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-decoration: underline;
}

.fp-btn-link:hover {
  color: #047857;
}

.fp-recalc-link {
  color: var(--color-text-secondary, #64748b);
}

.fp-recalc-link:hover {
  color: var(--color-primary, #059669);
}

/* Empty State Card */
.fp-empty-state-card {
  text-align: center;
  padding: 48px 24px;
  background: #ffffff;
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-lg, 12px);
  max-width: 540px;
  margin: 40px auto;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.fp-empty-icon {
  color: var(--color-primary, #059669);
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
}

.fp-empty-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text-primary, #0f172a);
  margin: 0 0 8px 0;
}

.fp-empty-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary, #64748b);
  line-height: 1.55;
  margin: 0 0 24px 0;
}

.fp-empty-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Responsive QA adjustments */
@media (max-width: 768px) {
  .fp-project-card-header {
    flex-direction: column;
    align-items: stretch;
  }
  .fp-project-actions {
    justify-content: flex-start;
  }
  .fp-cost-banner-val {
    font-size: 1.45rem;
  }
  .fp-entry-body {
    flex-direction: column;
    align-items: flex-start;
  }
  .fp-entry-primary-box {
    width: 100%;
  }
  .fp-entry-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .fp-utility-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .fp-toolbar-summary {
    justify-content: center;
  }
  .fp-project-actions .btn-tool-action {
    flex: 1;
    justify-content: center;
  }
}

/* Print Styles for Project View */
@media print {
  .site-header,
  .site-footer,
  .fp-utility-toolbar,
  .fp-project-actions,
  .fp-entry-footer,
  .fp-btn-link,
  .mobile-nav-toggle,
  .header-actions,
  button {
    display: none !important;
  }

  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .project-management-container {
    max-width: 100% !important;
    padding: 0 !important;
  }

  .fp-project-card {
    border: none !important;
    box-shadow: none !important;
    page-break-after: always;
  }

  .fp-entry-details-accordion {
    display: block !important;
    background: #ffffff !important;
    border-top: 1pt solid #cbd5e1 !important;
  }

  .fp-project-cost-banner {
    background: #f8fafc !important;
    border: 1pt solid #cbd5e1 !important;
  }

  .fp-estimate-entry-card {
    border: 1pt solid #e2e8f0 !important;
    page-break-inside: avoid;
    break-inside: avoid;
  }
}