/**
 * Seambo - Enhanced Calculator Styles
 * Problem-based tabs, visualizations, and scenario builder
 */

/* ============================================
   Calculator Container
   ============================================ */

.calculator-page {
  padding: var(--space-2xl) 0;
}

.calculator-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.calculator-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.calculator-header h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.calculator-header p {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  max-width: 700px;
  margin: 0 auto;
}

/* ============================================
   Problem Tabs Navigation
   ============================================ */

.problem-tabs {
  display: flex;
  gap: var(--space-xs);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xs);
  margin-bottom: var(--space-xl);
  overflow-x: auto;
}

.problem-tab {
  flex: 1;
  min-width: 180px;
  padding: var(--space-md) var(--space-lg);
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
  position: relative;
  color: inherit;
}

.problem-tab::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  border-radius: 2px;
  transition: height 0.2s ease;
}

.problem-tab:hover {
  background: rgba(255, 255, 255, 0.05);
}

.problem-tab.active {
  background: rgba(255, 255, 255, 0.1);
}

.problem-tab.active::before {
  height: 60%;
}

/* Problem tab colors */
.problem-tab[data-problem="1"]::before { background: var(--accent-purple); }
.problem-tab[data-problem="2"]::before { background: var(--accent-blue); }
.problem-tab[data-problem="3"]::before { background: var(--accent-green); }
.problem-tab[data-problem="4"]::before { background: var(--accent-amber); }

.problem-tab-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-bottom: var(--space-2xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.problem-tab-title {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
}

/* ============================================
   Tab Content Visibility
   ============================================ */

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

.calc-tab-content.active {
  display: block;
}

/* ============================================
   Calculator Layout
   ============================================ */

.calculator-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

@media (max-width: 1024px) {
  .calculator-layout {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Input Panel
   ============================================ */

.calc-input-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.calc-section-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.calc-section-title svg {
  opacity: 0.7;
}

/* Input Groups */
.calc-input-group {
  margin-bottom: var(--space-lg);
}

.calc-input-group:last-child {
  margin-bottom: 0;
}

.calc-input-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

.calc-input-hint {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-top: var(--space-2xs);
}

/* Slider + Number Input Combo */
.calc-slider-combo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.calc-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  outline: none;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--accent-blue);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.calc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.calc-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--accent-blue);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

.calc-number-input {
  width: 80px;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  text-align: center;
}

.calc-number-input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

/* Common Inputs Section */
.common-inputs {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
  border: 1px dashed var(--glass-border);
}

.common-inputs-title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}

/* Industry Select */
.calc-select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.calc-select:focus {
  outline: none;
  border-color: var(--accent-blue);
}

/* Advanced Settings */
.advanced-settings {
  margin-top: var(--space-xl);
}

.advanced-toggle {
  width: 100%;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  transition: all 0.2s ease;
}

.advanced-toggle:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border-color: var(--accent-blue);
}

.advanced-toggle .chevron {
  margin-left: auto;
  transition: transform 0.2s ease;
}

.advanced-toggle.open .chevron {
  transform: rotate(180deg);
}

.advanced-content {
  display: none;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: var(--space-lg);
}

.advanced-content.open {
  display: block;
}

.advanced-note {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.reduction-suffix {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  min-width: 20px;
}

.reset-defaults-btn {
  width: 100%;
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all 0.2s ease;
}

.reset-defaults-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border-color: var(--accent-blue);
}

/* Preset Buttons */
.preset-buttons {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.preset-btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all 0.2s ease;
}

.preset-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.preset-btn.active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: white;
}

/* ============================================
   Results Panel
   ============================================ */

.calc-results-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Primary Result Card */
.primary-result {
  background: linear-gradient(135deg, rgba(74, 144, 226, 0.15), rgba(99, 102, 241, 0.15));
  border: 1px solid rgba(74, 144, 226, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
}

.primary-result-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.primary-result-value {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.primary-result-period {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin-top: var(--space-sm);
}

/* Period Tabs */
.period-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

.period-tab {
  padding: var(--space-xs) var(--space-md);
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all 0.2s ease;
}

.period-tab:hover {
  color: var(--text-secondary);
}

.period-tab.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--accent-blue);
}

/* Secondary Results Grid */
.secondary-results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.secondary-result {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
}

.secondary-result-value {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.secondary-result-label {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* ============================================
   Visualization Charts
   ============================================ */

.chart-container {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.chart-title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

/* Before/After Comparison */
.comparison-chart {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-end;
  height: 150px;
  padding: var(--space-md) 0;
}

.comparison-bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  height: 100%;
}

.comparison-bar-wrapper {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.comparison-bar {
  width: 60%;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: height 0.5s ease;
  position: relative;
}

.comparison-bar.before {
  background: linear-gradient(180deg, #ef4444, #dc2626);
}

.comparison-bar.after {
  background: linear-gradient(180deg, var(--accent-green), #059669);
}

.comparison-bar-value {
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.comparison-bar-label {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  text-align: center;
}

/* ROI Timeline */
.timeline-chart {
  position: relative;
  height: 120px;
  margin-top: var(--space-md);
}

.timeline-line {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--glass-border);
}

.timeline-points {
  display: flex;
  justify-content: space-between;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}

.timeline-point {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-blue);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 0 2px var(--accent-blue);
  position: relative;
}

.timeline-value {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
}

.timeline-label {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* Cost Breakdown Donut */
.donut-chart-container {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.donut-chart {
  width: 120px;
  height: 120px;
  position: relative;
}

.donut-chart svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.donut-chart circle {
  fill: none;
  stroke-width: 20;
}

.donut-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.donut-center-value {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.donut-center-label {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

.donut-legend {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

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

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.legend-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
}

.legend-value {
  margin-left: auto;
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--text-primary);
}

/* ============================================
   Scenario Builder
   ============================================ */

.scenario-section {
  margin-top: var(--space-2xl);
}

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

.scenario-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.scenario-actions {
  display: flex;
  gap: var(--space-sm);
}

.scenario-btn {
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  transition: all 0.2s ease;
}

.scenario-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.scenario-btn.primary {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: white;
}

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

/* Saved Scenarios List */
.saved-scenarios {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.saved-scenario {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  min-width: 150px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.saved-scenario:hover {
  border-color: var(--accent-blue);
}

.saved-scenario.selected {
  border-color: var(--accent-blue);
  background: rgba(74, 144, 226, 0.1);
}

.saved-scenario-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.saved-scenario-value {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--accent-blue);
}

.saved-scenario-delete {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.saved-scenario:hover .saved-scenario-delete {
  opacity: 1;
}

/* Comparison View */
.comparison-view {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.comparison-table th {
  background: rgba(255, 255, 255, 0.03);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.comparison-table td {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table .metric-label {
  color: var(--text-tertiary);
}

.comparison-table .highlight {
  background: linear-gradient(135deg, rgba(74, 144, 226, 0.1), rgba(99, 102, 241, 0.1));
}

/* Save Scenario Modal */
.scenario-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.scenario-modal.open {
  opacity: 1;
  visibility: visible;
}

.scenario-modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 400px;
  width: 90%;
}

.scenario-modal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.scenario-modal-input {
  width: 100%;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-size-md);
  margin-bottom: var(--space-lg);
}

.scenario-modal-input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.scenario-modal-buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
}

/* ============================================
   CTA Section
   ============================================ */

.calculator-cta {
  text-align: center;
  margin-top: var(--space-2xl);
  padding: var(--space-2xl);
  background: linear-gradient(135deg, rgba(74, 144, 226, 0.1), rgba(99, 102, 241, 0.1));
  border: 1px solid rgba(74, 144, 226, 0.2);
  border-radius: var(--radius-lg);
}

.calculator-cta h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
}

.calculator-cta p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.calculator-cta-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Animations
   ============================================ */

@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-value {
  animation: countUp 0.3s ease forwards;
}

@keyframes barGrow {
  from {
    height: 0;
  }
}

.comparison-bar {
  animation: barGrow 0.5s ease forwards;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
  .problem-tabs {
    flex-direction: column;
  }

  .problem-tab {
    min-width: auto;
  }

  .secondary-results {
    grid-template-columns: 1fr;
  }

  .donut-chart-container {
    flex-direction: column;
    text-align: center;
  }

  .comparison-chart {
    height: 120px;
  }

  .scenario-header {
    flex-direction: column;
    gap: var(--space-md);
  }

  .scenario-actions {
    width: 100%;
  }

  .scenario-btn {
    flex: 1;
    justify-content: center;
  }

  .calculator-cta-buttons {
    flex-direction: column;
  }

  .calculator-cta-buttons .btn {
    width: 100%;
  }
}