/* Retirement Savings Catch-Up Calculator - Scoped styles */
/* Polished styling, outlook and responsiveness */

.rscu-root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  box-sizing: border-box !important;
  width: 100% !important;
  max-width: 100% !important;
  display: block !important;
  margin: 0 auto !important;
  padding: 0 !important;
  clear: both !important;
  float: none !important;
}

.rscu-app {
  --rscu-bg: #fef7ff;
  --rscu-card: #ffffff;
  --rscu-border: #e9d5ff;
  --rscu-text: #0f172a;
  --rscu-muted: #475569;
  --rscu-primary: #9333ea;
  --rscu-primary-hover: #7e22ce;
  --rscu-primary-glow: rgba(147, 51, 234, 0.25);
  --rscu-success: #16a34a;
  --rscu-danger: #dc2626;
  --rscu-warn: #d97706;
  --rscu-soft: #f3e8ff;
  --rscu-pastel-purple: #f3e8ff;
  --rscu-pastel-blue: #e0f2fe;
  --rscu-pastel-green: #dcfce7;
  --rscu-pastel-amber: #fef9c3;
  --rscu-shadow-sm: 0 2px 8px rgba(147, 51, 234, 0.06);
  --rscu-shadow-md: 0 8px 24px rgba(147, 51, 234, 0.08);
  --rscu-shadow-lg: 0 12px 40px rgba(147, 51, 234, 0.12);
  --rscu-radius: 16px;
  --rscu-radius-lg: 20px;
  --rscu-transition: 0.2s ease;

  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--rscu-text);
  background: var(--rscu-bg);
  border: 2px solid var(--rscu-border);
  border-radius: var(--rscu-radius-lg);
  padding: 24px;
  box-shadow: var(--rscu-shadow-md);
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  box-sizing: border-box;
  display: block;
  line-height: 1.5;
}

.rscu-app * {
  box-sizing: border-box;
}

.rscu-loading {
  padding: 2.5rem;
  text-align: center;
  color: var(--rscu-muted);
  font-size: 15px;
}

/* Hero */
.rscu-hero {
  background: linear-gradient(135deg, var(--rscu-pastel-purple) 0%, #ffffff 100%);
  border: 2px solid var(--rscu-border);
  border-radius: var(--rscu-radius-lg);
  padding: 28px 32px;
  box-shadow: var(--rscu-shadow-sm);
  margin-bottom: 24px;
}

.rscu-title {
  margin: 0 0 10px 0;
  line-height: 1.25;
  font-size: clamp(1.5rem, 4vw, 1.75rem);
  font-weight: 800;
  color: var(--rscu-text);
  letter-spacing: -0.02em;
}

.rscu-subtitle {
  margin: 0;
  color: var(--rscu-muted);
  font-size: 15px;
  line-height: 1.6;
  font-weight: 400;
}

/* Instruction tip */
.rscu-inst {
  background: var(--rscu-soft);
  border: 2px dashed var(--rscu-border);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 14px;
  color: var(--rscu-muted);
  margin-bottom: 22px;
  text-align: center;
}

/* Cards */
.rscu-card {
  background: var(--rscu-card);
  border: 2px solid var(--rscu-border);
  border-radius: var(--rscu-radius-lg);
  padding: 24px 28px;
  margin-bottom: 24px;
  box-shadow: var(--rscu-shadow-sm);
  transition: box-shadow var(--rscu-transition), border-color var(--rscu-transition);
}

.rscu-card:hover {
  box-shadow: 0 6px 20px rgba(147, 51, 234, 0.08);
}

.rscu-card.profile {
  background: linear-gradient(135deg, var(--rscu-pastel-blue) 0%, #ffffff 100%);
  border-color: #bae6fd;
}

.rscu-card.catchup {
  background: linear-gradient(135deg, var(--rscu-pastel-green) 0%, #ffffff 100%);
  border-color: #86efac;
}

.rscu-card.assumptions {
  background: linear-gradient(135deg, var(--rscu-pastel-amber) 0%, #ffffff 100%);
  border-color: #fde047;
}

.rscu-card.results {
  background: linear-gradient(135deg, var(--rscu-pastel-purple) 0%, #ffffff 100%);
  border-color: var(--rscu-border);
}

.rscu-card h3 {
  margin: 0 0 16px 0;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--rscu-text);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.01em;
}

.rscu-section-desc {
  font-size: 14px;
  color: var(--rscu-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  padding-left: 14px;
  border-left: 4px solid var(--rscu-primary);
}

.rscu-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.rscu-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

/* Fields */
.rscu-field {
  margin-bottom: 18px;
}

.rscu-field:last-child {
  margin-bottom: 0;
}

.rscu-field label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--rscu-text);
  font-size: 14px;
}

.rscu-input {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--rscu-border);
  border-radius: 12px;
  font-size: 15px;
  font-family: inherit;
  color: var(--rscu-text);
  background: #ffffff;
  transition: border-color var(--rscu-transition), box-shadow var(--rscu-transition);
}

.rscu-input:hover {
  border-color: #d8b4fe;
}

.rscu-input:focus {
  outline: none;
  border-color: var(--rscu-primary);
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.15);
}

.rscu-input-money {
  font-weight: 600;
}

.rscu-select {
  cursor: pointer;
  appearance: auto;
}

.rscu-select:focus {
  outline: none;
  border-color: var(--rscu-primary);
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.15);
}

.rscu-hint {
  font-size: 12px;
  color: var(--rscu-muted);
  margin-top: 6px;
  line-height: 1.45;
}

/* Toggle (checkbox) */
.rscu-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.rscu-toggle input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--rscu-primary);
  cursor: pointer;
}

.rscu-toggle-label {
  margin: 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  color: var(--rscu-text);
}

.rscu-label-block {
  display: block;
  margin-bottom: 4px;
}

.rscu-radio-group input[type="checkbox"],
.rscu-radio-group input[type="radio"] {
  accent-color: var(--rscu-primary);
  cursor: pointer;
}

/* KPIs */
.rscu-kpi {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), #ffffff);
  border: 2px solid var(--rscu-border);
  border-radius: 14px;
  padding: 20px;
  text-align: center;
  transition: transform var(--rscu-transition), box-shadow var(--rscu-transition);
}

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

.rscu-kpi-label {
  font-size: 13px;
  color: var(--rscu-muted);
  font-weight: 600;
  margin-bottom: 8px;
  text-transform: none;
}

.rscu-kpi-value {
  font-size: clamp(1.35rem, 3.5vw, 1.75rem);
  font-weight: 800;
  color: var(--rscu-primary);
  margin: 0;
  letter-spacing: -0.02em;
}

.rscu-kpi-sub {
  font-size: 12px;
  color: var(--rscu-muted);
  margin-top: 6px;
  font-weight: 500;
}

.rscu-kpi-highlight {
  background: linear-gradient(135deg, var(--rscu-primary), var(--rscu-primary-hover));
  color: #ffffff;
  border-color: var(--rscu-primary);
  box-shadow: 0 4px 16px var(--rscu-primary-glow);
}

.rscu-kpi-highlight .rscu-kpi-value {
  color: #ffffff;
}

.rscu-kpi-highlight .rscu-kpi-label,
.rscu-kpi-highlight .rscu-kpi-sub {
  color: rgba(255, 255, 255, 0.9);
}

.rscu-kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 640px) {
  .rscu-kpis {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* Table */
.rscu-table-wrapper {
  overflow-x: auto;
  margin: 16px 0;
  border-radius: 12px;
  border: 2px solid var(--rscu-border);
  -webkit-overflow-scrolling: touch;
}

.rscu-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  background: var(--rscu-card);
}

.rscu-table th {
  background: var(--rscu-soft);
  padding: 12px 14px;
  text-align: left;
  font-weight: 700;
  font-size: 13px;
  color: var(--rscu-text);
  border-bottom: 2px solid var(--rscu-border);
}

.rscu-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--rscu-border);
  font-size: 14px;
  color: var(--rscu-text);
}

.rscu-table tr:hover {
  background: var(--rscu-soft);
}

/* Export section */
.rscu-export-section {
  margin-top: 28px;
  padding: 24px 28px;
  background: var(--rscu-soft);
  border: 2px dashed var(--rscu-border);
  border-radius: var(--rscu-radius);
  text-align: center;
}

.rscu-btn,
.rscu-btn-export {
  padding: 16px 32px;
  font-size: 16px;
  margin-bottom: 12px;
  border: 2px solid var(--rscu-primary);
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--rscu-transition);
  background: var(--rscu-primary);
  color: #ffffff;
}

.rscu-btn-export:hover,
.rscu-btn:hover {
  background: var(--rscu-primary-hover);
  border-color: var(--rscu-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--rscu-primary-glow);
}

.rscu-export-help {
  font-size: 13px;
  color: var(--rscu-muted);
  margin: 0;
  line-height: 1.5;
}

/* Progress to target */
.rscu-progress-wrap {
  margin-bottom: 24px;
}
.rscu-progress-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--rscu-text);
  margin-bottom: 6px;
}
.rscu-progress-track {
  height: 12px;
  background: var(--rscu-soft);
  border: 2px solid var(--rscu-border);
  border-radius: 999px;
  overflow: hidden;
}
.rscu-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--rscu-primary), var(--rscu-primary-hover));
  border-radius: 999px;
  transition: width 0.3s ease;
}

/* Projection chart */
.rscu-chart-wrap {
  margin: 24px 0;
  padding: 20px;
  background: var(--rscu-soft);
  border: 2px solid var(--rscu-border);
  border-radius: var(--rscu-radius);
}
.rscu-chart-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--rscu-text);
  margin-bottom: 12px;
}
.rscu-chart {
  width: 100%;
  height: auto;
  max-height: 200px;
  min-height: 160px;
  display: block;
}
.rscu-chart .rscu-chart-axis {
  stroke: var(--rscu-text);
  stroke-width: 1;
}
.rscu-chart .rscu-chart-grid {
  stroke: var(--rscu-border);
  stroke-width: 0.4;
  opacity: 0.8;
}
.rscu-chart .rscu-chart-axis-label {
  fill: var(--rscu-text);
  font-size: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-weight: 500;
}
.rscu-chart .rscu-chart-title-svg {
  font-size: 16px;
  font-weight: 800;
  fill: var(--rscu-text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
.rscu-chart line.rscu-chart-target {
  stroke: var(--rscu-warn);
  stroke-width: 1;
  stroke-dasharray: 5 4;
}
.rscu-chart polyline.rscu-chart-line-with {
  stroke: var(--rscu-primary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.rscu-chart polyline.rscu-chart-line-no {
  stroke: var(--rscu-muted);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.9;
}
.rscu-chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--rscu-border);
  font-size: 12px;
  color: var(--rscu-muted);
}
.rscu-chart-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.rscu-chart-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.rscu-chart-dot-with { background: var(--rscu-primary); }
.rscu-chart-dot-no { background: var(--rscu-muted); opacity: 0.9; }
.rscu-chart-dot-target { background: var(--rscu-warn); }

/* Understanding your results */
.rscu-context-box {
  margin-top: 28px;
  padding: 0;
  background: linear-gradient(160deg, var(--rscu-pastel-blue) 0%, #f0f9ff 40%, #fff 100%);
  border: 2px solid #bae6fd;
  border-radius: var(--rscu-radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(14, 165, 233, 0.08);
}
.rscu-context-header {
  padding: 22px 24px 16px;
  border-bottom: 1px solid rgba(186, 230, 253, 0.6);
}
.rscu-context-title {
  margin: 0 0 6px 0;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--rscu-text);
  letter-spacing: -0.02em;
}
.rscu-context-intro {
  margin: 0;
  font-size: 14px;
  color: var(--rscu-muted);
  line-height: 1.5;
}
.rscu-context-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}
.rscu-context-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 18px 24px;
  border-bottom: 1px solid rgba(186, 230, 253, 0.4);
  border-right: 1px solid rgba(186, 230, 253, 0.4);
  background: rgba(255, 255, 255, 0.5);
  align-items: start;
}
.rscu-context-item:nth-child(odd) {
  border-right: 1px solid rgba(186, 230, 253, 0.4);
}
.rscu-context-item:nth-child(even) {
  border-right: none;
}
.rscu-context-item-full {
  grid-column: 1 / -1;
  border-right: none;
  border-bottom: none;
  background: rgba(255, 255, 255, 0.7);
}
.rscu-context-item-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--rscu-primary), var(--rscu-primary-hover));
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}
.rscu-context-item-body {
  min-width: 0;
}
.rscu-context-item-head {
  display: block;
  font-size: 13px;
  color: var(--rscu-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.rscu-context-item-text {
  margin: 0;
  font-size: 14px;
  color: var(--rscu-text);
  line-height: 1.65;
}
.rscu-context-item-text strong {
  color: var(--rscu-text);
  font-weight: 700;
}
@media (max-width: 640px) {
  .rscu-context-grid {
    grid-template-columns: 1fr;
  }
  .rscu-context-item {
    border-right: none;
    border-bottom: 1px solid rgba(186, 230, 253, 0.4);
  }
  .rscu-context-item-full {
    border-bottom: none;
  }
  .rscu-context-header,
  .rscu-context-item {
    padding: 16px 18px;
  }
  .rscu-context-item-head {
    font-size: 12px;
  }
  .rscu-context-item-text {
    font-size: 13px;
  }
}

/* State Pension impact (results, when goal = income) */
.rscu-state-pension-impact {
  margin-bottom: 20px;
  padding: 16px 18px;
  background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
  border: 2px solid #86efac;
  border-radius: 12px;
}
.rscu-state-pension-impact-title {
  display: block;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #166534;
  margin-bottom: 8px;
}
.rscu-state-pension-impact-p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--rscu-text);
}
.rscu-state-pension-impact-p strong {
  font-weight: 700;
  color: var(--rscu-text);
}

/* Warn box (results) */
.rscu-warn {
  background: #fff7ed;
  border: 2px solid #fed7aa;
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 16px;
}

/* Responsive */
@media (max-width: 980px) {
  .rscu-app {
    padding: 20px;
  }

  .rscu-hero {
    padding: 24px 26px;
  }

  .rscu-card {
    padding: 20px 24px;
  }

  .rscu-grid-2 {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 640px) {
  .rscu-chart-wrap {
    padding: 12px;
    margin: 18px 0;
  }
  .rscu-chart {
    max-height: 180px;
    min-height: 140px;
  }
  .rscu-chart .rscu-chart-axis-label {
    font-size: 9px;
  }
  .rscu-chart .rscu-chart-title-svg {
    font-size: 14px;
  }
  .rscu-context-box {
    padding: 14px 16px;
  }
  .rscu-context-list {
    font-size: 13px;
  }
  .rscu-app {
    padding: 16px;
    border-radius: 14px;
  }

  .rscu-hero {
    padding: 20px 22px;
    border-radius: 14px;
    margin-bottom: 20px;
  }

  .rscu-title {
    font-size: 1.35rem;
  }

  .rscu-subtitle {
    font-size: 14px;
  }

  .rscu-inst {
    padding: 12px 14px;
    font-size: 13px;
    margin-bottom: 18px;
  }

  .rscu-card {
    padding: 18px 20px;
    border-radius: 14px;
    margin-bottom: 20px;
  }

  .rscu-card h3 {
    font-size: 1.1rem;
  }

  .rscu-section-desc {
    font-size: 13px;
    padding-left: 12px;
    margin-bottom: 16px;
  }

  .rscu-kpi {
    padding: 16px;
  }

  .rscu-kpi-value {
    font-size: 1.35rem;
  }

  .rscu-export-section {
    padding: 20px;
    margin-top: 24px;
  }

  .rscu-btn-export {
    padding: 14px 24px;
    font-size: 15px;
    width: 100%;
  }
}

@media (max-width: 420px) {
  .rscu-app {
    padding: 12px;
    border-radius: 12px;
    border-width: 1px;
  }

  .rscu-hero {
    padding: 16px 18px;
    border-radius: 12px;
  }

  .rscu-title {
    font-size: 1.2rem;
  }

  .rscu-card {
    padding: 14px 16px;
    border-radius: 12px;
  }

  .rscu-input {
    padding: 10px 12px;
    font-size: 16px; /* avoids zoom on iOS */
  }

  .rscu-kpis {
    gap: 12px !important;
  }

  .rscu-kpi-value {
    font-size: 1.25rem;
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .rscu-app,
  .rscu-card,
  .rscu-input,
  .rscu-btn-export,
  .rscu-kpi {
    transition: none;
  }

  .rscu-kpi:hover,
  .rscu-btn-export:hover {
    transform: none;
  }
}

/* Focus visible for keyboard users */
.rscu-input:focus-visible,
.rscu-btn-export:focus-visible {
  outline: 2px solid var(--rscu-primary);
  outline-offset: 2px;
}