/* UK Tax Calculators — Shared Styles */

/* ─── Wrapper ────────────────────────────────────────────────────────────── */
.uktc-calculator {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--foreground, #1e293b);
  font-size: 15px;
  line-height: 1.5;
  margin: 2rem 0;
}

.uktc-header { margin-bottom: 1.5rem; }
.uktc-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: var(--foreground, #1e293b);
}
.uktc-verified {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--primary, hsl(180,100%,25%));
  font-weight: 500;
}

/* ─── Layout ─────────────────────────────────────────────────────────────── */
.uktc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 768px) {
  .uktc-layout { grid-template-columns: 360px 1fr; align-items: start; }
}

/* ─── Panels / Cards ─────────────────────────────────────────────────────── */
.uktc-panel {
  background: var(--card, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 0.75rem;
  padding: 1.25rem;
}
.uktc-panel h3 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted-fg, #64748b);
  margin: 0 0 1rem;
}

/* ─── Form elements ──────────────────────────────────────────────────────── */
.uktc-field { margin-bottom: 1rem; }
.uktc-field:last-child { margin-bottom: 0; }
.uktc-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--foreground, #1e293b);
  margin-bottom: 0.375rem;
}
.uktc-label-sub { font-weight: 400; color: var(--muted-fg, #64748b); }

.uktc-input-wrap { position: relative; }
.uktc-input-prefix,
.uktc-input-suffix {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  font-size: 0.875rem;
  color: var(--muted-fg, #64748b);
  pointer-events: none;
}
.uktc-input-prefix { left: 0.75rem; }
.uktc-input-suffix { right: 0.75rem; }

.uktc-input, .uktc-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.9375rem;
  font-family: inherit;
  background: var(--background, #f8fafc);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 0.5rem;
  color: var(--foreground, #1e293b);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
  appearance: none;
}
.uktc-input:focus, .uktc-select:focus {
  border-color: var(--primary, hsl(180,100%,25%));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary,hsl(180,100%,25%)) 15%, transparent);
}
.uktc-input.has-prefix { padding-left: 2rem; }
.uktc-input.has-suffix { padding-right: 2.5rem; }
.uktc-input[type="range"] {
  padding: 0;
  height: 6px;
  background: var(--border, #e2e8f0);
  cursor: pointer;
  border: none;
  border-radius: 9999px;
}
.uktc-input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  background: var(--primary, hsl(180,100%,25%));
  border-radius: 50%;
  cursor: pointer;
}

/* Toggle switch */
.uktc-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 0;
  border-top: 1px solid var(--border, #e2e8f0);
}
.uktc-toggle-row:first-of-type { border-top: none; margin-top: 0.25rem; }
.uktc-toggle-label { font-size: 0.875rem; color: var(--foreground, #1e293b); font-weight: 500; }
.uktc-toggle-label small { display: block; font-size: 0.75rem; color: var(--muted-fg, #64748b); font-weight: 400; }

.uktc-switch { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.uktc-switch input { opacity: 0; width: 0; height: 0; }
.uktc-slider {
  position: absolute; inset: 0;
  background: var(--border, #e2e8f0);
  border-radius: 9999px;
  cursor: pointer;
  transition: background 0.2s;
}
.uktc-slider:before {
  content: '';
  position: absolute;
  height: 18px; width: 18px;
  left: 3px; bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
}
.uktc-switch input:checked + .uktc-slider { background: var(--primary, hsl(180,100%,25%)); }
.uktc-switch input:checked + .uktc-slider:before { transform: translateX(20px); }

/* Tab buttons */
.uktc-tabs {
  display: flex;
  gap: 0.375rem;
  background: var(--muted, #f1f5f9);
  padding: 0.25rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}
.uktc-tab {
  flex: 1;
  padding: 0.375rem 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  text-align: center;
  border: none;
  border-radius: 0.375rem;
  background: transparent;
  color: var(--muted-fg, #64748b);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-family: inherit;
}
.uktc-tab.active {
  background: white;
  color: var(--foreground, #1e293b);
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
}

/* ─── Results area ───────────────────────────────────────────────────────── */
.uktc-results { display: flex; flex-direction: column; gap: 1rem; }

/* Summary metric cards */
.uktc-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
@media (min-width: 480px) { .uktc-summary-grid { grid-template-columns: repeat(4, 1fr); } }

.uktc-metric {
  background: var(--card, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 0.75rem;
  padding: 1rem;
  text-align: center;
}
.uktc-metric-label { font-size: 0.75rem; color: var(--muted-fg, #64748b); font-weight: 500; margin-bottom: 0.375rem; }
.uktc-metric-value { font-size: 1.25rem; font-weight: 700; color: var(--foreground, #1e293b); }
.uktc-metric-value.primary { color: var(--primary, hsl(180,100%,25%)); }
.uktc-metric-sub { font-size: 0.75rem; color: var(--muted-fg, #64748b); margin-top: 0.125rem; }

/* Breakdown + chart row */
.uktc-breakdown-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 480px) {
  .uktc-breakdown-row { grid-template-columns: 1fr 180px; align-items: start; }
}

/* Breakdown table */
.uktc-breakdown-card {
  background: var(--card, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 0.75rem;
  overflow: hidden;
}
.uktc-breakdown-card h4 {
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border, #e2e8f0);
  margin: 0;
}
.uktc-breakdown-row-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.625rem 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--border,#e2e8f0) 50%, transparent);
  font-size: 0.875rem;
}
.uktc-breakdown-row-item:last-child { border-bottom: none; }
.uktc-breakdown-dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block; margin-right: 0.5rem; flex-shrink: 0;
}
.uktc-breakdown-label { display: flex; align-items: center; color: var(--muted-fg, #64748b); }
.uktc-breakdown-label strong { font-weight: 500; color: var(--foreground, #1e293b); margin-left: 0; }
.uktc-breakdown-amount { font-weight: 600; color: var(--foreground, #1e293b); }
.uktc-breakdown-row-item.total {
  background: color-mix(in srgb, var(--primary, hsl(180,100%,25%)) 5%, transparent);
  font-weight: 600;
}
.uktc-breakdown-row-item.total .uktc-breakdown-label { color: var(--foreground, #1e293b); }

/* Chart */
.uktc-chart-wrap {
  background: var(--card, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 0.75rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.uktc-chart-svg { width: 140px; height: 140px; }
.uktc-chart-legend { width: 100%; display: flex; flex-direction: column; gap: 0.375rem; }
.uktc-legend-item { display: flex; align-items: center; justify-content: space-between; font-size: 0.75rem; }
.uktc-legend-label { display: flex; align-items: center; gap: 0.375rem; color: var(--muted-fg, #64748b); }
.uktc-legend-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.uktc-legend-pct { font-weight: 600; color: var(--foreground, #1e293b); }

/* ─── Band table ─────────────────────────────────────────────────────────── */
.uktc-bands-table { width: 100%; border-collapse: collapse; font-size: 0.8125rem; }
.uktc-bands-table th {
  background: var(--muted, #f1f5f9);
  padding: 0.5rem 0.75rem;
  font-weight: 600;
  text-align: left;
  border-bottom: 1px solid var(--border, #e2e8f0);
}
.uktc-bands-table td { padding: 0.5rem 0.75rem; border-bottom: 1px solid color-mix(in srgb, var(--border,#e2e8f0) 50%, transparent); }
.uktc-bands-table tr:last-child td { border-bottom: none; }
.uktc-bands-table .highlight { background: color-mix(in srgb, var(--primary, hsl(180,100%,25%)) 5%, transparent); }

/* ─── Comparison layout ──────────────────────────────────────────────────── */
.uktc-compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) { .uktc-compare-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .uktc-compare-grid { grid-template-columns: repeat(3, 1fr); } }

.uktc-compare-card {
  background: var(--card, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 0.75rem;
  padding: 1.25rem;
  text-align: center;
}
.uktc-compare-card.highlighted { border-color: var(--primary, hsl(180,100%,25%)); background: color-mix(in srgb, var(--primary, hsl(180,100%,25%)) 4%, white); }
.uktc-compare-card h4 { font-size: 0.875rem; font-weight: 600; margin: 0 0 0.75rem; }
.uktc-compare-card .big { font-size: 1.75rem; font-weight: 800; color: var(--primary, hsl(180,100%,25%)); margin: 0.5rem 0; }
.uktc-compare-card .sub { font-size: 0.8125rem; color: var(--muted-fg, #64748b); }

/* ─── Info callout ───────────────────────────────────────────────────────── */
.uktc-callout {
  display: flex;
  gap: 0.75rem;
  background: color-mix(in srgb, var(--primary,hsl(180,100%,25%)) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary,hsl(180,100%,25%)) 20%, transparent);
  border-radius: 0.75rem;
  padding: 0.875rem 1rem;
  font-size: 0.8125rem;
  color: var(--foreground, #1e293b);
  line-height: 1.6;
}
.uktc-callout-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }

/* ─── Progress bar ───────────────────────────────────────────────────────── */
.uktc-progress-bar {
  height: 8px;
  background: var(--muted, #f1f5f9);
  border-radius: 9999px;
  overflow: hidden;
  margin-top: 0.375rem;
}
.uktc-progress-fill {
  height: 100%;
  border-radius: 9999px;
  background: var(--primary, hsl(180,100%,25%));
  transition: width 0.4s ease;
}

/* ─── Year projection chart ──────────────────────────────────────────────── */
.uktc-bar-chart { display: flex; flex-direction: column; gap: 0.375rem; margin-top: 0.75rem; }
.uktc-bar-row { display: grid; grid-template-columns: 40px 1fr 80px; align-items: center; gap: 0.5rem; font-size: 0.75rem; }
.uktc-bar-label { color: var(--muted-fg, #64748b); text-align: right; }
.uktc-bar-track { height: 8px; background: var(--muted, #f1f5f9); border-radius: 9999px; overflow: hidden; }
.uktc-bar-fill { height: 100%; border-radius: 9999px; background: var(--primary, hsl(180,100%,25%)); }
.uktc-bar-value { font-weight: 600; color: var(--foreground, #1e293b); }

/* ─── Coming soon ────────────────────────────────────────────────────────── */
.uktc-coming-soon {
  text-align: center;
  padding: 4rem 1rem;
  background: var(--card, #fff);
  border: 1px solid var(--border, #e2e8f0);
  border-radius: 0.75rem;
}
.uktc-cs-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.uktc-coming-soon h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; }
.uktc-coming-soon p { color: var(--muted-fg, #64748b); }

/* ─── Utility ────────────────────────────────────────────────────────────── */
.uktc-spacer { margin-top: 1rem; }
.uktc-muted { color: var(--muted-fg, #64748b); font-size: 0.8125rem; }
.uktc-primary { color: var(--primary, hsl(180,100%,25%)); }
.uktc-strong { font-weight: 700; }

/* Color dots */
.dot-teal    { background: hsl(180,100%,25%); }
.dot-red     { background: hsl(0,84%,60%); }
.dot-blue    { background: hsl(217,91%,60%); }
.dot-amber   { background: hsl(43,96%,56%); }
.dot-purple  { background: hsl(271,91%,65%); }
.dot-green   { background: hsl(142,71%,45%); }
.dot-slate   { background: hsl(215,16%,47%); }