/* ============================================================
   SmartCalc Design System v1.0
   ukcalculator.com — Production CSS for 343+ calculator pages
   ============================================================
   Table of Contents:
   1.  Custom Properties (Light + Dark)
   2.  Reset & Base
   3.  Typography
   4.  Layout
   5.  Page Hero
   6.  Calculator Card
   7.  Form Inputs
   8.  Sliders
   9.  Buttons
   10. Advanced Toggle
   11. Results Section
   12. Period Tabs
   13. Breakdown Table
   14. Donut Chart
   15. Action Buttons
   16. Content Accordions
   17. Sidebar
   18. Trust Badges
   19. Footer
   20. Animations
   21. Utility Classes
   22. Content Styling (Accordion Panels)
   23. Backward Compatibility Aliases
   24. Responsive — 1024px
   25. Responsive — 768px
   26. Responsive — 480px
   27. Print Styles
   ============================================================ */


/* =============================================================
   1. CUSTOM PROPERTIES
   ============================================================= */

:root {
  /* Primary palette */
  --sc-primary: #0F4C81;
  --sc-primary-light: #E8F0FE;
  --sc-primary-dark: #0A3A5F;

  /* Accent */
  --sc-accent: #047857;
  --sc-accent-light: #D1FAE5;

  /* Semantic */
  --sc-warning: #D97706;
  --sc-negative: #DC2626;

  /* Text */
  --sc-text: #1A1A1A;
  --sc-text-muted: #57534E;

  /* Surfaces */
  --sc-border: #D6D3D1;
  --sc-border-light: rgba(214, 211, 209, 0.45);
  --sc-bg-page: #FAFAF9;
  --sc-bg-card: #FFFFFF;
  --sc-bg-input: #FFFFFF;

  /* Radii */
  --sc-radius: 8px;
  --sc-radius-lg: 12px;
  --sc-radius-pill: 9999px;

  /* Shadows */
  --sc-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --sc-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --sc-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* Spacing scale */
  --sc-sp-0: 0;
  --sc-sp-1: 8px;
  --sc-sp-2: 16px;
  --sc-sp-3: 24px;
  --sc-sp-4: 32px;

  /* Transitions */
  --sc-transition-fast: 0.15s ease;
  --sc-transition: 0.2s ease;
  --sc-transition-slow: 0.4s ease;

  /* Font stack */
  --sc-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol";
  --sc-font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  /* Legacy variable aliases (calculator-styles.min.css compatibility) */
  --primary: #0f172a;
  --primary-blue: #1d4ed8;
  --primary-blue-hover: #1e40af;
  --primary-light: #3b82f6;
  --accent-green: #059669;
  --accent-green-light: #10b981;
  --accent-red: #dc2626;
  --accent-amber: #d97706;
  --text: #0f172a;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --border: #e2e8f0;
  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-input: #f1f5f9;
  --bg-hover: #f1f5f9;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
}

/* --- Dark Mode ------------------------------------------------ */

[data-theme="dark"] {
  --sc-primary: #60A5FA;
  --sc-primary-light: #1E3A5F;
  --sc-primary-dark: #93C5FD;

  --sc-accent: #34D399;
  --sc-accent-light: #064E3B;

  --sc-negative: #F87171;
  --sc-warning: #FBBF24;

  --sc-text: #F9FAFB;
  --sc-text-muted: #9CA3AF;

  --sc-border: #4B5563;
  --sc-border-light: rgba(75, 85, 99, 0.45);
  --sc-bg-page: #111827;
  --sc-bg-card: #1F2937;
  --sc-bg-input: #374151;

  /* Legacy dark mode aliases */
  --primary: #e2e8f0;
  --primary-blue: #60A5FA;
  --primary-light: #93C5FD;
  --text: #F9FAFB;
  --text-primary: #F9FAFB;
  --text-secondary: #9CA3AF;
  --text-muted: #9CA3AF;
  --surface: #1F2937;
  --surface-alt: #374151;
  --border: #4B5563;
  --border-light: #4B5563;
  --bg-page: #111827;
  --bg-card: #1F2937;
  --bg-input: #374151;
  --bg-hover: #374151;
  --gray-50: #111827;
  --gray-100: #1F2937;
  --gray-200: #374151;
  --gray-300: #4B5563;
  --gray-400: #6B7280;
  --gray-500: #9CA3AF;
  --gray-600: #D1D5DB;
  --gray-700: #E5E7EB;
  --gray-800: #F3F4F6;
  --gray-900: #F9FAFB;

  --sc-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --sc-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25);
  --sc-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.35);
}


/* =============================================================
   2. RESET & BASE
   ============================================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--sc-font-family);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--sc-text);
  background-color: var(--sc-bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--sc-primary);
  text-decoration: none;
  transition: color var(--sc-transition);
}

a:hover {
  color: var(--sc-primary-dark);
  text-decoration: underline;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

/* Global form elements - Light mode (white boxes, dark text) */
input,
select,
textarea {
  background-color: var(--sc-bg-input, #f1f5f9) !important;
  color: var(--sc-text, #0f172a) !important;
  border: 1.5px solid var(--sc-border, #e2e8f0);
  border-radius: 8px;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--sc-primary, #0F4C81) !important;
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.12);
}

/* Global form elements - Dark mode (dark boxes, white text) */
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background-color: var(--sc-bg-input, #374151) !important;
  color: var(--sc-text, #F9FAFB) !important;
  border-color: var(--sc-border, #4B5563) !important;
}

/* Select option elements */
option {
  background-color: var(--sc-bg-input, #f1f5f9);
  color: var(--sc-text, #0f172a);
}

[data-theme="dark"] option {
  background-color: var(--sc-bg-input, #374151);
  color: var(--sc-text, #F9FAFB);
}

/* Dark mode overrides for inline-styled elements */
[data-theme="dark"] [style*="background:#fff"],
[data-theme="dark"] [style*="background: #fff"],
[data-theme="dark"] [style*="background:#ffffff"],
[data-theme="dark"] [style*="background:white"] {
  background-color: var(--sc-bg-card, #1F2937) !important;
  color: var(--sc-text, #F9FAFB) !important;
}

[data-theme="dark"] [style*="background:#f8fafc"],
[data-theme="dark"] [style*="background: #f8fafc"],
[data-theme="dark"] [style*="background:#f1f5f9"] {
  background-color: var(--sc-bg-input, #374151) !important;
  color: var(--sc-text, #F9FAFB) !important;
}

[data-theme="dark"] [style*="color:#1e293b"],
[data-theme="dark"] [style*="color:#374151"],
[data-theme="dark"] [style*="color:#334155"],
[data-theme="dark"] [style*="color:#64748b"],
[data-theme="dark"] [style*="color:#475569"] {
  color: var(--sc-text-muted, #9CA3AF) !important;
}

button {
  cursor: pointer;
}

fieldset {
  border: none;
}

::selection {
  background-color: var(--sc-primary);
  color: #fff;
}


/* =============================================================
   3. TYPOGRAPHY
   ============================================================= */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--sc-text);
  margin-bottom: 0.5em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.625rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.15rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.04em; }

p {
  margin-bottom: 1em;
  line-height: 1.6;
}

small,
.sc-small {
  font-size: 0.85rem;
}

code,
.sc-code {
  font-family: var(--sc-font-mono);
  font-size: 0.875em;
  background: var(--sc-primary-light);
  padding: 2px 6px;
  border-radius: 4px;
}

hr,
.sc-divider {
  border: none;
  border-top: 1px solid var(--sc-border);
  margin: var(--sc-sp-3) 0;
}


/* =============================================================
   4. LAYOUT
   ============================================================= */

.sc-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sc-sp-3);
}

.sc-main {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  gap: var(--sc-sp-4);
  padding: var(--sc-sp-3);
}

.sc-content {
  flex: 1;
  min-width: 0;
}

.sc-sidebar {
  width: 320px;
  flex-shrink: 0;
}


/* =============================================================
   5. PAGE HERO
   ============================================================= */

.sc-hero {
  padding: var(--sc-sp-4) 0;
  background: linear-gradient(
    180deg,
    var(--sc-primary-light) 0%,
    var(--sc-bg-page) 100%
  );
}

.sc-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sc-sp-3);
}

/* Breadcrumb */
.sc-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--sc-text-muted);
  margin-bottom: var(--sc-sp-2);
  list-style: none;
}

.sc-breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.sc-breadcrumb li + li::before {
  content: "/";
  color: var(--sc-border);
  margin-right: 2px;
}

.sc-breadcrumb a {
  color: var(--sc-primary);
  font-size: 0.85rem;
}

.sc-breadcrumb a:hover {
  color: var(--sc-primary-dark);
  text-decoration: underline;
}

/* Hero heading */
.sc-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--sc-primary-dark);
  margin-bottom: 8px;
}

.sc-hero .sc-subtitle {
  font-size: 1.1rem;
  color: var(--sc-text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

/* Badge */
.sc-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
  color: #fff;
  background-color: var(--sc-accent);
  border-radius: var(--sc-radius-pill);
  vertical-align: middle;
  white-space: nowrap;
}

.sc-badge--outline {
  background: transparent;
  color: var(--sc-accent);
  border: 1px solid var(--sc-accent);
}

.sc-badge--warning {
  background-color: var(--sc-warning);
}

.sc-badge--blue {
  background-color: var(--sc-primary);
}


/* =============================================================
   6. CALCULATOR CARD
   ============================================================= */

.sc-card {
  background: var(--sc-bg-card);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-lg);
  box-shadow: var(--sc-shadow-md);
  padding: var(--sc-sp-4);
  margin-bottom: var(--sc-sp-3);
}

.sc-card + .sc-card {
  margin-top: var(--sc-sp-3);
}

.sc-card-header {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--sc-text);
  margin-bottom: var(--sc-sp-3);
  padding-bottom: var(--sc-sp-2);
  border-bottom: 1px solid var(--sc-border-light);
}

.sc-card-section {
  margin-bottom: var(--sc-sp-3);
}

.sc-card-section:last-child {
  margin-bottom: 0;
}

.sc-card-footer {
  padding-top: var(--sc-sp-2);
  border-top: 1px solid var(--sc-border-light);
  margin-top: var(--sc-sp-3);
}


/* =============================================================
   7. FORM INPUTS
   ============================================================= */

.sc-field {
  margin-bottom: 20px;
}

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

.sc-label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--sc-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.sc-label-hint {
  font-weight: 400;
  color: var(--sc-text-muted);
  font-size: 0.8rem;
  margin-left: 4px;
}

/* Input wrapper for prefix / suffix */
.sc-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

/* Prefix pseudo-element (e.g. currency sign) */
.sc-input-prefix {
  position: relative;
}

.sc-input-prefix[data-prefix]::before {
  content: attr(data-prefix);
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  font-weight: 500;
  color: var(--sc-text-muted);
  z-index: 1;
  pointer-events: none;
  line-height: 1;
}

.sc-input-prefix .sc-input {
  padding-left: 36px;
}

/* Suffix */
.sc-input-suffix {
  position: relative;
}

.sc-input-suffix[data-suffix]::after {
  content: attr(data-suffix);
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--sc-text-muted);
  z-index: 1;
  pointer-events: none;
  line-height: 1;
}

.sc-input-suffix .sc-input {
  padding-right: 48px;
}

/* Text input */
.sc-input {
  width: 100%;
  height: 48px;
  padding: 12px 16px;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--sc-text);
  background-color: var(--sc-bg-input);
  border: 2px solid var(--sc-border);
  border-radius: var(--sc-radius);
  outline: none;
  transition: border-color var(--sc-transition), box-shadow var(--sc-transition);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.sc-input::placeholder {
  color: var(--sc-text-muted);
  opacity: 0.6;
}

.sc-input:hover {
  border-color: #A8A29E;
}

[data-theme="dark"] .sc-input:hover {
  border-color: #6B7280;
}

.sc-input:focus {
  border-color: var(--sc-primary);
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.12);
}

[data-theme="dark"] .sc-input:focus {
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.sc-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: var(--sc-bg-page);
}

/* Error state */
.sc-input.sc-error,
.sc-select.sc-error {
  border-color: var(--sc-negative);
}

.sc-input.sc-error:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.sc-error-msg {
  display: block;
  color: var(--sc-negative);
  font-size: 0.8rem;
  margin-top: 4px;
}

/* Textarea */
textarea.sc-input {
  height: auto;
  min-height: 100px;
  resize: vertical;
}

/* Select */
.sc-select {
  width: 100%;
  height: 48px;
  padding: 12px 44px 12px 16px;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--sc-text);
  background-color: var(--sc-bg-input);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%2357534E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  border: 2px solid var(--sc-border);
  border-radius: var(--sc-radius);
  outline: none;
  cursor: pointer;
  transition: border-color var(--sc-transition), box-shadow var(--sc-transition);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

[data-theme="dark"] .sc-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%239CA3AF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.sc-select:hover {
  border-color: #A8A29E;
}

.sc-select:focus {
  border-color: var(--sc-primary);
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.12);
}

/* Custom Checkbox */
.sc-checkbox-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.4;
  margin-bottom: 8px;
}

.sc-checkbox-wrap input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.sc-checkbox-mark {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border: 2px solid var(--sc-border);
  border-radius: 4px;
  background: var(--sc-bg-input);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--sc-transition);
}

.sc-checkbox-wrap input[type="checkbox"]:checked + .sc-checkbox-mark {
  background: var(--sc-primary);
  border-color: var(--sc-primary);
}

.sc-checkbox-mark::after {
  content: "";
  display: none;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-top: -2px;
}

.sc-checkbox-wrap input[type="checkbox"]:checked + .sc-checkbox-mark::after {
  display: block;
}

.sc-checkbox-wrap input[type="checkbox"]:focus-visible + .sc-checkbox-mark {
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.12);
}

/* Custom Radio */
.sc-radio-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.4;
  margin-bottom: 8px;
}

.sc-radio-wrap input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.sc-radio-mark {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border: 2px solid var(--sc-border);
  border-radius: 50%;
  background: var(--sc-bg-input);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--sc-transition);
}

.sc-radio-wrap input[type="radio"]:checked + .sc-radio-mark {
  border-color: var(--sc-primary);
}

.sc-radio-mark::after {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sc-primary);
  transform: scale(0);
  transition: transform var(--sc-transition);
}

.sc-radio-wrap input[type="radio"]:checked + .sc-radio-mark::after {
  transform: scale(1);
}

.sc-radio-wrap input[type="radio"]:focus-visible + .sc-radio-mark {
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.12);
}

/* Inline field group (two inputs side by side) */
.sc-field-row {
  display: flex;
  gap: var(--sc-sp-2);
}

.sc-field-row > .sc-field {
  flex: 1;
  min-width: 0;
}


/* =============================================================
   8. SLIDERS
   ============================================================= */

.sc-slider-wrap {
  margin-top: 8px;
  position: relative;
}

.sc-slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--sc-text-muted);
  margin-top: 4px;
}

.sc-slider {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--sc-border);
  outline: none;
  cursor: pointer;
  margin: 0;
}

/* Webkit track */
.sc-slider::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--sc-border);
}

/* Webkit thumb */
.sc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--sc-primary);
  box-shadow: var(--sc-shadow-sm);
  cursor: pointer;
  margin-top: -8px;
  transition: transform var(--sc-transition), box-shadow var(--sc-transition);
}

.sc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  box-shadow: var(--sc-shadow-md);
}

.sc-slider:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.15);
}

/* Firefox track */
.sc-slider::-moz-range-track {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--sc-border);
  border: none;
}

/* Firefox progress (filled portion) */
.sc-slider::-moz-range-progress {
  height: 6px;
  border-radius: 3px;
  background: var(--sc-primary);
}

/* Firefox thumb */
.sc-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--sc-primary);
  box-shadow: var(--sc-shadow-sm);
  cursor: pointer;
  transition: transform var(--sc-transition), box-shadow var(--sc-transition);
}

.sc-slider::-moz-range-thumb:hover {
  transform: scale(1.1);
  box-shadow: var(--sc-shadow-md);
}

.sc-slider:focus::-moz-range-thumb {
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.15);
}

/* Dark mode thumb */
[data-theme="dark"] .sc-slider::-webkit-slider-thumb {
  background: var(--sc-bg-card);
}

[data-theme="dark"] .sc-slider::-moz-range-thumb {
  background: var(--sc-bg-card);
}


/* =============================================================
   9. BUTTONS
   ============================================================= */

.sc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 24px;
  border: 2px solid transparent;
  border-radius: var(--sc-radius);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--sc-transition);
  white-space: nowrap;
  gap: 8px;
  -webkit-user-select: none;
  user-select: none;
}

.sc-btn:hover {
  text-decoration: none;
}

.sc-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary (accent green) */
.sc-btn-primary {
  background-color: var(--sc-accent);
  color: #fff;
  border-color: var(--sc-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sc-btn-primary:hover {
  background-color: #065F46;
  border-color: #065F46;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--sc-shadow-md);
}

[data-theme="dark"] .sc-btn-primary:hover {
  background-color: #059669;
  border-color: #059669;
}

.sc-btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--sc-shadow-sm);
}

/* Secondary */
.sc-btn-secondary {
  background-color: transparent;
  color: var(--sc-primary);
  border-color: var(--sc-primary);
}

.sc-btn-secondary:hover {
  background-color: var(--sc-primary-light);
  color: var(--sc-primary-dark);
}

/* Ghost */
.sc-btn-ghost {
  background-color: transparent;
  color: var(--sc-text-muted);
  border-color: transparent;
}

.sc-btn-ghost:hover {
  background-color: var(--sc-primary-light);
  color: var(--sc-primary);
}

/* Danger */
.sc-btn-danger {
  background-color: var(--sc-negative);
  color: #fff;
  border-color: var(--sc-negative);
}

.sc-btn-danger:hover {
  background-color: #B91C1C;
  border-color: #B91C1C;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--sc-shadow-md);
}

/* Full width */
.sc-btn-full {
  width: 100%;
}

/* Small button */
.sc-btn-sm {
  height: 36px;
  padding: 0 16px;
  font-size: 0.875rem;
}

/* Large button */
.sc-btn-lg {
  height: 56px;
  padding: 0 32px;
  font-size: 1.1rem;
}

/* Button group */
.sc-btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}


/* =============================================================
   10. ADVANCED TOGGLE
   ============================================================= */

.sc-advanced-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  background: none;
  border: none;
  color: var(--sc-primary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--sc-transition);
}

.sc-advanced-trigger:hover {
  color: var(--sc-primary-dark);
}

.sc-advanced-trigger svg,
.sc-advanced-trigger .sc-chevron {
  width: 16px;
  height: 16px;
  transition: transform 0.25s ease;
}

.sc-advanced-trigger[aria-expanded="true"] svg,
.sc-advanced-trigger[aria-expanded="true"] .sc-chevron {
  transform: rotate(180deg);
}

.sc-advanced-content {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.35s ease, opacity 0.25s ease, padding 0.25s ease;
  padding: 0;
}

.sc-advanced-content.sc-open {
  max-height: 2000px;
  opacity: 1;
  padding-top: var(--sc-sp-2);
}


/* =============================================================
   11. RESULTS SECTION
   ============================================================= */

.sc-results {
  margin-top: var(--sc-sp-4);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
}

.sc-results.visible,
.sc-results.sc-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Hero result (top-level figure) */
.sc-result-hero {
  text-align: center;
  padding: var(--sc-sp-3);
  background: var(--sc-primary-light);
  border-radius: var(--sc-radius-lg);
  margin-bottom: var(--sc-sp-3);
}

.sc-result-label {
  font-size: 1rem;
  color: var(--sc-text-muted);
  margin-bottom: 4px;
}

.sc-result-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--sc-primary);
  line-height: 1.2;
}

.sc-result-value.sc-accent {
  color: var(--sc-accent);
}

.sc-result-period {
  font-size: 0.875rem;
  color: var(--sc-text-muted);
  margin-top: 4px;
}

/* Result grid (multiple figures side by side) */
.sc-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sc-sp-2);
  margin-bottom: var(--sc-sp-3);
}

.sc-result-item {
  text-align: center;
  padding: var(--sc-sp-2);
  background: var(--sc-primary-light);
  border-radius: var(--sc-radius);
}

.sc-result-item .sc-result-value {
  font-size: 1.5rem;
}


/* =============================================================
   12. PERIOD TABS
   ============================================================= */

.sc-period-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--sc-border);
  margin-bottom: var(--sc-sp-3);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.sc-period-tabs::-webkit-scrollbar {
  display: none;
}

.sc-period-tab {
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--sc-text-muted);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: all var(--sc-transition);
}

.sc-period-tab:hover {
  color: var(--sc-text);
  border-bottom-color: var(--sc-border);
}

.sc-period-tab.active,
.sc-period-tab[aria-selected="true"] {
  color: var(--sc-primary);
  border-bottom-color: var(--sc-primary);
  background: var(--sc-primary-light);
}


/* =============================================================
   13. BREAKDOWN TABLE
   ============================================================= */

.sc-breakdown {
  padding: 0;
}

.sc-breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--sc-border-light);
  gap: var(--sc-sp-2);
}

.sc-breakdown-row:last-child {
  border-bottom: none;
}

.sc-breakdown-label {
  font-size: 0.95rem;
  color: var(--sc-text);
  flex: 1;
  min-width: 0;
}

.sc-breakdown-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--sc-text);
  text-align: right;
  white-space: nowrap;
}

.sc-breakdown-value.sc-negative {
  color: var(--sc-negative);
}

.sc-breakdown-value.sc-positive {
  color: var(--sc-accent);
}

.sc-breakdown-divider {
  border: none;
  border-bottom: 2px solid var(--sc-border);
  margin: 4px 0;
}

.sc-breakdown-row.sc-total {
  font-weight: 700;
}

.sc-breakdown-row.sc-total .sc-breakdown-label,
.sc-breakdown-row.sc-total .sc-breakdown-value {
  font-weight: 700;
}

.sc-breakdown-row.sc-net {
  font-size: 1.1rem;
  font-weight: 700;
}

.sc-breakdown-row.sc-net .sc-breakdown-label,
.sc-breakdown-row.sc-net .sc-breakdown-value {
  font-size: 1.1rem;
  font-weight: 700;
}

.sc-breakdown-row.sc-meta {
  font-size: 0.85rem;
}

.sc-breakdown-row.sc-meta .sc-breakdown-label,
.sc-breakdown-row.sc-meta .sc-breakdown-value {
  font-size: 0.85rem;
  color: var(--sc-text-muted);
  font-weight: 400;
}


/* =============================================================
   14. DONUT CHART
   ============================================================= */

.sc-donut-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sc-sp-3);
  padding: var(--sc-sp-3) 0;
  flex-wrap: wrap;
}

.sc-donut {
  flex-shrink: 0;
}

.sc-donut-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sc-donut-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.sc-donut-color {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.sc-donut-pct {
  font-weight: 700;
  min-width: 40px;
}

.sc-donut-text {
  font-size: 0.85rem;
  color: var(--sc-text-muted);
}


/* =============================================================
   15. ACTION BUTTONS
   ============================================================= */

.sc-actions {
  display: flex;
  gap: 8px;
  margin-top: var(--sc-sp-2);
  flex-wrap: wrap;
}

.sc-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 6px;
  border: 1px solid var(--sc-border);
  background: var(--sc-bg-card);
  color: var(--sc-text-muted);
  cursor: pointer;
  transition: all var(--sc-transition);
  text-decoration: none;
  line-height: 1.2;
}

.sc-action-btn:hover {
  background: var(--sc-primary-light);
  color: var(--sc-primary);
  border-color: var(--sc-primary);
  text-decoration: none;
}

.sc-action-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}


/* =============================================================
   16. CONTENT ACCORDIONS
   ============================================================= */

.sc-accordion {
  margin-bottom: 8px;
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius);
  overflow: hidden;
  background: var(--sc-bg-card);
}

.sc-accordion + .sc-accordion {
  margin-top: 0;
}

.sc-accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: inherit;
  color: var(--sc-text);
  gap: 12px;
  transition: background var(--sc-transition);
}

.sc-accordion-trigger:hover {
  background: var(--sc-primary-light);
}

.sc-accordion-trigger h2,
.sc-accordion-trigger h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.35;
  flex: 1;
}

.sc-accordion-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.25s ease;
  color: var(--sc-text-muted);
}

.sc-accordion--open .sc-accordion-chevron {
  transform: rotate(180deg);
}

.sc-accordion-panel {
  padding: 0 20px;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.sc-accordion--open .sc-accordion-panel {
  max-height: 5000px;
  padding-bottom: 20px;
}

/* Accordion group spacing */
.sc-accordion-group {
  margin-bottom: var(--sc-sp-3);
}

.sc-accordion-group .sc-accordion {
  border-radius: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.sc-accordion-group .sc-accordion:first-child {
  border-radius: var(--sc-radius) var(--sc-radius) 0 0;
}

.sc-accordion-group .sc-accordion:last-child {
  border-radius: 0 0 var(--sc-radius) var(--sc-radius);
  border-bottom: 1px solid var(--sc-border);
}

.sc-accordion-group .sc-accordion:only-child {
  border-radius: var(--sc-radius);
  border-bottom: 1px solid var(--sc-border);
}


/* =============================================================
   17. SIDEBAR
   ============================================================= */

.sc-sidebar-ad {
  margin-bottom: var(--sc-sp-3);
  border-radius: var(--sc-radius);
  overflow: hidden;
}

.sc-sidebar-ad img {
  width: 100%;
  height: auto;
}

.sc-related {
  background: var(--sc-bg-card);
  border-radius: var(--sc-radius);
  padding: 20px;
  border: 1px solid var(--sc-border);
  margin-bottom: var(--sc-sp-3);
}

.sc-related h3 {
  font-size: 1rem;
  margin-bottom: 12px;
  color: var(--sc-text);
}

.sc-related ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sc-related a {
  display: block;
  padding: 8px 0;
  color: var(--sc-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--sc-border-light);
  font-size: 0.95rem;
  transition: color var(--sc-transition);
}

.sc-related a:last-child {
  border-bottom: none;
}

.sc-related a:hover {
  text-decoration: underline;
  color: var(--sc-primary-dark);
}

.sc-official-links {
  background: var(--sc-bg-card);
  border-radius: var(--sc-radius);
  padding: 20px;
  border: 1px solid var(--sc-border);
  margin-bottom: var(--sc-sp-3);
}

.sc-official-links h3 {
  font-size: 1rem;
  margin-bottom: 12px;
  color: var(--sc-text);
}

.sc-official-links a {
  display: block;
  padding: 8px 0;
  color: var(--sc-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--sc-border-light);
  font-size: 0.95rem;
}

.sc-official-links a:last-child {
  border-bottom: none;
}

.sc-official-links a:hover {
  text-decoration: underline;
  color: var(--sc-primary-dark);
}

/* Sticky sidebar */
.sc-sidebar-sticky {
  position: sticky;
  top: 24px;
}


/* =============================================================
   18. TRUST BADGES
   ============================================================= */

.sc-trust-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: var(--sc-sp-4);
}

.sc-trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: 20px;
  background: var(--sc-primary-light);
  color: var(--sc-primary-dark);
  font-weight: 500;
  line-height: 1.3;
}

.sc-trust-badge svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}


/* =============================================================
   19. FOOTER
   ============================================================= */

.sc-footer {
  background: var(--sc-primary-dark);
  color: #fff;
  padding: 40px 0;
  margin-top: 48px;
}

[data-theme="dark"] .sc-footer {
  background: #0D1117;
}

.sc-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sc-sp-3);
}

.sc-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--sc-sp-4);
}

.sc-footer h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.sc-footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--sc-transition);
}

.sc-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

.sc-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sc-footer li {
  margin-bottom: 8px;
}

.sc-footer-bottom {
  margin-top: var(--sc-sp-4);
  padding-top: var(--sc-sp-3);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sc-sp-2);
}


/* =============================================================
   20. ANIMATIONS
   ============================================================= */

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

@keyframes sc-slideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes sc-fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes sc-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@keyframes sc-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.sc-animate-in {
  animation: sc-fadeInUp 0.4s ease forwards;
}

.sc-animate-slide {
  animation: sc-slideIn 0.4s ease forwards;
}

.sc-animate-fade {
  animation: sc-fadeIn 0.3s ease forwards;
}

/* Staggered animation delay helpers */
.sc-delay-1 { animation-delay: 0.1s; }
.sc-delay-2 { animation-delay: 0.2s; }
.sc-delay-3 { animation-delay: 0.3s; }
.sc-delay-4 { animation-delay: 0.4s; }

/* Loading spinner */
.sc-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--sc-border);
  border-top-color: var(--sc-primary);
  border-radius: 50%;
  animation: sc-spin 0.6s linear infinite;
}

/* Skeleton loading */
.sc-skeleton {
  background: linear-gradient(90deg,
    var(--sc-border-light) 25%,
    var(--sc-bg-page) 50%,
    var(--sc-border-light) 75%
  );
  background-size: 200% 100%;
  animation: sc-pulse 1.5s ease infinite;
  border-radius: var(--sc-radius);
  min-height: 20px;
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .sc-results {
    transition: none;
  }

  .sc-results.visible,
  .sc-results.sc-visible {
    opacity: 1;
    transform: none;
  }
}


/* =============================================================
   21. UTILITY CLASSES
   ============================================================= */

/* Text alignment */
.sc-text-center { text-align: center; }
.sc-text-right  { text-align: right; }
.sc-text-left   { text-align: left; }

/* Text colours */
.sc-text-muted    { color: var(--sc-text-muted); }
.sc-text-primary  { color: var(--sc-primary); }
.sc-text-accent   { color: var(--sc-accent); }
.sc-text-negative { color: var(--sc-negative); }
.sc-text-warning  { color: var(--sc-warning); }

/* Font weight */
.sc-font-normal { font-weight: 400; }
.sc-font-medium { font-weight: 500; }
.sc-font-bold   { font-weight: 700; }

/* Margin top */
.sc-mt-0 { margin-top: 0; }
.sc-mt-1 { margin-top: var(--sc-sp-1); }
.sc-mt-2 { margin-top: var(--sc-sp-2); }
.sc-mt-3 { margin-top: var(--sc-sp-3); }
.sc-mt-4 { margin-top: var(--sc-sp-4); }

/* Margin bottom */
.sc-mb-0 { margin-bottom: 0; }
.sc-mb-1 { margin-bottom: var(--sc-sp-1); }
.sc-mb-2 { margin-bottom: var(--sc-sp-2); }
.sc-mb-3 { margin-bottom: var(--sc-sp-3); }
.sc-mb-4 { margin-bottom: var(--sc-sp-4); }

/* Padding */
.sc-p-0 { padding: 0; }
.sc-p-1 { padding: var(--sc-sp-1); }
.sc-p-2 { padding: var(--sc-sp-2); }
.sc-p-3 { padding: var(--sc-sp-3); }
.sc-p-4 { padding: var(--sc-sp-4); }

/* Display */
.sc-hidden       { display: none !important; }
.sc-visible      { display: block; }
.sc-inline       { display: inline; }
.sc-inline-block { display: inline-block; }

/* Screen reader only */
.sc-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Flex */
.sc-flex {
  display: flex;
}

.sc-flex-col {
  display: flex;
  flex-direction: column;
}

.sc-flex-wrap {
  flex-wrap: wrap;
}

.sc-flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sc-items-center {
  align-items: center;
}

.sc-justify-between {
  justify-content: space-between;
}

/* Gap */
.sc-gap-1 { gap: var(--sc-sp-1); }
.sc-gap-2 { gap: var(--sc-sp-2); }
.sc-gap-3 { gap: var(--sc-sp-3); }
.sc-gap-4 { gap: var(--sc-sp-4); }

/* Grid columns */
.sc-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sc-sp-2);
}

.sc-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sc-sp-2);
}

.sc-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sc-sp-2);
}

/* Width */
.sc-w-full { width: 100%; }

/* Overflow */
.sc-overflow-hidden { overflow: hidden; }
.sc-overflow-auto   { overflow: auto; }

/* Border radius */
.sc-rounded    { border-radius: var(--sc-radius); }
.sc-rounded-lg { border-radius: var(--sc-radius-lg); }

/* Truncate */
.sc-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


/* =============================================================
   22. CONTENT STYLING (inside accordion panels / articles)
   ============================================================= */

.sc-content-body p,
.sc-accordion-panel p {
  margin-bottom: 1em;
  line-height: 1.6;
}

.sc-content-body p:last-child,
.sc-accordion-panel p:last-child {
  margin-bottom: 0;
}

.sc-content-body ul,
.sc-content-body ol,
.sc-accordion-panel ul,
.sc-accordion-panel ol {
  margin-bottom: 1em;
  padding-left: 24px;
  line-height: 1.6;
}

.sc-content-body li,
.sc-accordion-panel li {
  margin-bottom: 4px;
}

.sc-content-body strong,
.sc-accordion-panel strong {
  font-weight: 600;
}

.sc-content-body a,
.sc-accordion-panel a {
  color: var(--sc-primary);
  text-decoration: underline;
}

.sc-content-body a:hover,
.sc-accordion-panel a:hover {
  color: var(--sc-primary-dark);
}

/* Tables */
.sc-content-body table,
.sc-accordion-panel table,
.sc-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1em;
  font-size: 0.95rem;
}

.sc-content-body th,
.sc-accordion-panel th,
.sc-table th {
  background: var(--sc-primary-light);
  font-weight: 600;
  padding: 12px;
  text-align: left;
  border-bottom: 2px solid var(--sc-border);
  font-size: 0.875rem;
  color: var(--sc-text);
}

.sc-content-body td,
.sc-accordion-panel td,
.sc-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--sc-border-light);
  color: var(--sc-text);
}

/* Striped rows */
.sc-content-body tr:nth-child(even),
.sc-accordion-panel tr:nth-child(even),
.sc-table tr:nth-child(even) {
  background-color: var(--sc-bg-page);
}

[data-theme="dark"] .sc-content-body tr:nth-child(even),
[data-theme="dark"] .sc-accordion-panel tr:nth-child(even),
[data-theme="dark"] .sc-table tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.03);
}

/* Blockquote */
.sc-content-body blockquote,
.sc-accordion-panel blockquote {
  margin: 1em 0;
  padding: 12px 20px;
  border-left: 4px solid var(--sc-primary);
  background: var(--sc-primary-light);
  border-radius: 0 var(--sc-radius) var(--sc-radius) 0;
  color: var(--sc-text);
  font-style: italic;
}

/* Info/warning callout boxes */
.sc-callout {
  padding: 16px 20px;
  border-radius: var(--sc-radius);
  margin-bottom: 1em;
  font-size: 0.95rem;
  line-height: 1.5;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.sc-callout-info {
  background: var(--sc-primary-light);
  border-left: 4px solid var(--sc-primary);
  color: var(--sc-text);
}

.sc-callout-warning {
  background: #FEF3C7;
  border-left: 4px solid var(--sc-warning);
  color: var(--sc-text);
}

[data-theme="dark"] .sc-callout-warning {
  background: rgba(251, 191, 36, 0.1);
}

.sc-callout-success {
  background: var(--sc-accent-light);
  border-left: 4px solid var(--sc-accent);
  color: var(--sc-text);
}

.sc-callout svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}


/* =============================================================
   22b. SITE HEADER & NAVIGATION
   ============================================================= */

.site-header {
  background: #0f172a;
  padding: 0.7rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12);
  backdrop-filter: blur(8px);
}
[data-theme="dark"] .site-header {
  background: #0a0f1a;
  border-bottom: 1px solid #1e293b;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.logo-link {
  color: #f8fafc;
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sc-font-family);
  letter-spacing: -0.01em;
}
.header-nav {
  display: flex;
  gap: 0.15rem;
  flex-wrap: wrap;
  align-items: center;
}
.header-nav a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  transition: all 0.25s ease;
}
.header-nav a:hover { color: #fff; background: rgba(255,255,255,0.08) }

/* Calculators dropdown */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-toggle {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  transition: all 0.25s ease;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: none;
  border: none;
  font-family: var(--sc-font-family);
}
.nav-dropdown-toggle:hover { color: #fff; background: rgba(255,255,255,0.08) }
.nav-dropdown-toggle svg { width: 12px; height: 12px; transition: transform 0.2s }
.nav-dropdown:hover .nav-dropdown-toggle svg { transform: rotate(180deg) }
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 0.5rem;
  background: var(--sc-bg-card);
  border: 1px solid var(--sc-border);
  border-radius: 12px;
  box-shadow: var(--sc-shadow-lg);
  padding: 0.75rem;
  min-width: 520px;
  z-index: 200;
  animation: dropIn 0.2s ease-out;
}
@keyframes dropIn { from { opacity: 0; transform: translateX(-50%) translateY(-8px) } to { opacity: 1; transform: translateX(-50%) translateY(0) } }
.nav-dropdown:hover .nav-dropdown-menu { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.25rem }
.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.65rem;
  color: var(--sc-text);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.15s;
  white-space: nowrap;
}
.nav-dropdown-menu a:hover { background: var(--sc-primary-light); color: var(--sc-primary-dark) }
[data-theme="dark"] .nav-dropdown-menu a:hover { background: rgba(37,99,235,0.15); color: #60a5fa }
.nav-dropdown-menu .cat-icon { font-size: 1rem; width: 1.25rem; text-align: center; flex-shrink: 0 }
.nav-dropdown-menu .cat-all {
  grid-column: 1 / -1;
  margin-top: 0.25rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--sc-border);
  justify-content: center;
  font-weight: 600;
  color: var(--sc-primary);
}

@media (max-width: 768px) {
  .nav-dropdown-menu {
    position: fixed;
    left: 1rem;
    right: 1rem;
    transform: none;
    min-width: auto;
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .nav-dropdown:hover .nav-dropdown-menu { display: grid; grid-template-columns: repeat(2, 1fr) }
  .header-nav {
    display: none;
  }
  .header-nav.open {
    display: flex;
    flex-direction: column;
    width: 100%;
    background: #0f172a;
    padding: 0.5rem 0;
  }
  .mobile-menu-toggle {
    display: flex !important;
  }
}

/* Dark mode toggle */
.theme-toggle {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: #cbd5e1;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.25s ease;
}
.theme-toggle:hover { background: rgba(255,255,255,0.18); color: #fff }
.theme-toggle:focus-visible { outline: 2px solid #60a5fa; outline-offset: 2px }

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: #cbd5e1;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* =============================================================
   22c. SITE FOOTER (old class names)
   ============================================================= */

.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 2.5rem 1.25rem 1.5rem;
  margin-top: 4rem;
}
[data-theme="dark"] .site-footer {
  background: #0a0f1a;
  border-top: 1px solid #1e293b;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-col h4 { color: #f8fafc; font-size: 0.85rem; margin-bottom: 0.75rem }
.footer-col a { color: #94a3b8; text-decoration: none; font-size: 0.8rem; display: block; margin-bottom: 0.35rem; transition: color 0.25s ease }
.footer-col a:hover { color: #cbd5e1 }
.footer-col p { font-size: 0.8rem; line-height: 1.5; color: #94a3b8 }
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.72rem;
  color: #475569;
}


/* =============================================================
   23. BACKWARD COMPATIBILITY ALIASES
   ============================================================= */

/* Layout containers (from calculator-styles.min.css) */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-sm { max-width: 640px; margin: 0 auto; padding: 0 1.5rem; }
.container-md { max-width: 768px; margin: 0 auto; padding: 0 1.5rem; }
.container-lg { max-width: 1024px; margin: 0 auto; padding: 0 1.5rem; }

/* Two-column calculator layout */
.calc-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 768px) {
  .calc-two-col {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* Old class -> New class mappings for unmigrated pages */

.calculator-card {
  background: var(--sc-bg-card);
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-lg);
  box-shadow: var(--sc-shadow-md);
  padding: var(--sc-sp-4);
  margin-bottom: var(--sc-sp-3);
}

.calc-input,
.calculator-input {
  width: 100%;
  height: 48px;
  padding: 12px 16px;
  font-size: 1rem;
  color: var(--sc-text);
  background-color: var(--sc-bg-input);
  border: 2px solid var(--sc-border);
  border-radius: var(--sc-radius);
  outline: none;
  transition: border-color var(--sc-transition), box-shadow var(--sc-transition);
}

.calc-input:focus,
.calculator-input:focus {
  border-color: var(--sc-primary);
  box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.12);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--sc-text);
  margin-bottom: 6px;
}

.calculate-btn,
.calc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 24px;
  border: none;
  border-radius: var(--sc-radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  background-color: var(--sc-accent);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--sc-transition);
  width: 100%;
}

.calculate-btn:hover,
.calc-btn:hover {
  background-color: #065F46;
  transform: translateY(-1px);
  box-shadow: var(--sc-shadow-md);
}

.result-section,
.results-section {
  margin-top: var(--sc-sp-4);
}

.result-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--sc-primary);
}

/* Legacy select */
.calc-select {
  width: 100%;
  height: 48px;
  padding: 12px 44px 12px 16px;
  font-size: 1rem;
  color: var(--sc-text);
  background-color: var(--sc-bg-input);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%2357534E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  border: 2px solid var(--sc-border);
  border-radius: var(--sc-radius);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}


/* =============================================================
   24. RESPONSIVE — 1024px
   ============================================================= */

@media (max-width: 1024px) {
  .sc-sidebar {
    width: 280px;
  }

  .sc-main {
    gap: var(--sc-sp-3);
  }

  .sc-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}


/* =============================================================
   25. RESPONSIVE — 768px
   ============================================================= */

@media (max-width: 768px) {
  .sc-main {
    flex-direction: column;
    padding: var(--sc-sp-2);
    gap: var(--sc-sp-3);
  }

  .sc-sidebar {
    width: 100%;
    order: 2;
  }

  .sc-content {
    order: 1;
  }

  .sc-card {
    padding: 20px;
  }

  .calculator-card {
    padding: 20px;
  }

  .sc-hero {
    padding: var(--sc-sp-3) 0;
  }

  .sc-hero h1 {
    font-size: 1.5rem;
  }

  .sc-hero .sc-subtitle {
    font-size: 1rem;
  }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.35rem; }
  h3 { font-size: 1.15rem; }

  .sc-result-value {
    font-size: 2rem;
  }

  .result-value {
    font-size: 2rem;
  }

  .sc-result-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sc-donut-wrap {
    flex-direction: column;
    text-align: center;
  }

  .sc-donut-legend {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .sc-grid-2 {
    grid-template-columns: 1fr;
  }

  .sc-grid-3 {
    grid-template-columns: 1fr;
  }

  .sc-grid-4 {
    grid-template-columns: 1fr;
  }

  .sc-field-row {
    flex-direction: column;
    gap: 0;
  }

  .sc-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sc-footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .sc-trust-badges {
    justify-content: center;
  }

  .sc-period-tabs {
    gap: 0;
  }

  .sc-period-tab {
    padding: 8px 12px;
    font-size: 0.8rem;
  }

  .sc-sidebar-sticky {
    position: static;
  }
}


/* =============================================================
   26. RESPONSIVE — 480px
   ============================================================= */

@media (max-width: 480px) {
  .sc-main {
    padding: var(--sc-sp-1);
  }

  .sc-card {
    padding: 16px;
    border-radius: var(--sc-radius);
  }

  .calculator-card {
    padding: 16px;
  }

  .sc-input {
    height: 44px;
    font-size: 0.95rem;
  }

  .sc-select {
    height: 44px;
    font-size: 0.95rem;
  }

  .calc-input,
  .calculator-input {
    height: 44px;
  }

  .sc-btn {
    height: 44px;
    font-size: 0.95rem;
  }

  .calculate-btn,
  .calc-btn {
    height: 44px;
  }

  .sc-btn-lg {
    height: 48px;
    padding: 0 24px;
  }

  .sc-hero h1 {
    font-size: 1.35rem;
  }

  .sc-result-value {
    font-size: 1.75rem;
  }

  .result-value {
    font-size: 1.75rem;
  }

  .sc-result-hero {
    padding: var(--sc-sp-2);
  }

  .sc-result-grid {
    grid-template-columns: 1fr;
  }

  .sc-accordion-trigger {
    padding: 12px 16px;
  }

  .sc-accordion-trigger h2,
  .sc-accordion-trigger h3 {
    font-size: 1rem;
  }

  .sc-accordion-panel {
    padding: 0 16px;
  }

  .sc-accordion--open .sc-accordion-panel {
    padding-bottom: 16px;
  }

  .sc-actions {
    flex-direction: column;
  }

  .sc-action-btn {
    justify-content: center;
  }

  .sc-footer-grid {
    grid-template-columns: 1fr;
  }

  .sc-breadcrumb {
    font-size: 0.75rem;
  }

  .sc-content-body table,
  .sc-accordion-panel table,
  .sc-table {
    font-size: 0.85rem;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .sc-content-body th,
  .sc-accordion-panel th,
  .sc-table th {
    padding: 8px;
    font-size: 0.8rem;
  }

  .sc-content-body td,
  .sc-accordion-panel td,
  .sc-table td {
    padding: 8px;
  }
}


/* =============================================================
   27. PRINT STYLES
   ============================================================= */

@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  /* Hide non-essential elements */
  .sc-sidebar,
  .sc-sidebar-ad,
  .sc-footer,
  .sc-actions,
  .sc-action-btn,
  .sc-advanced-trigger,
  .sc-advanced-content,
  .sc-trust-badges,
  .sc-related,
  .sc-official-links,
  .sc-breadcrumb,
  .sc-btn,
  nav,
  header nav,
  .sc-period-tabs,
  [role="navigation"] {
    display: none !important;
  }

  /* Layout: single column */
  .sc-main {
    display: block;
    max-width: 100%;
    padding: 0;
  }

  .sc-content {
    width: 100%;
  }

  /* Cards */
  .sc-card,
  .calculator-card {
    border: 1px solid #ccc;
    padding: 16px;
    page-break-inside: avoid;
    break-inside: avoid;
  }

  /* Results visible */
  .sc-results {
    opacity: 1 !important;
    transform: none !important;
  }

  .sc-result-hero {
    border: 1px solid #ccc;
  }

  /* Accordions: force open */
  .sc-accordion-panel {
    max-height: none !important;
    overflow: visible !important;
    padding-bottom: 12px !important;
  }

  .sc-accordion-chevron {
    display: none;
  }

  /* Tables */
  table {
    border-collapse: collapse;
    width: 100%;
  }

  th,
  td {
    border: 1px solid #ccc;
    padding: 8px;
  }

  /* Page breaks */
  h2, h3 {
    page-break-after: avoid;
    break-after: avoid;
  }

  .sc-card {
    page-break-inside: avoid;
    break-inside: avoid;
  }

  /* Hero */
  .sc-hero {
    padding: 16px 0;
  }

  /* URL display after links */
  .sc-content-body a[href]::after,
  .sc-accordion-panel a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666 !important;
  }
}