/* ============================================
   UK Tax Calculator — Shared Stylesheet
   Dark theme default, light theme via toggle
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Dark theme (default) */
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-card-hover: #222531;
  --bg-input: #141720;
  --bg-header: rgba(15, 17, 23, 0.92);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-heading: #f1f5f9;
  --border: #2d3348;
  --border-hover: #3d4460;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-bg: rgba(99, 102, 241, 0.12);
  --green: #22c55e;
  --green-bg: rgba(34, 197, 94, 0.12);
  --amber: #f59e0b;
  --amber-bg: rgba(245, 158, 11, 0.12);
  --red: #ef4444;
  --red-bg: rgba(239, 68, 68, 0.12);
  --blue: #3b82f6;
  --blue-bg: rgba(59, 130, 246, 0.12);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --radius: 10px;
  --radius-sm: 6px;
  --transition: 0.2s ease;
}

[data-theme="light"] {
  --bg: #f5f7fa;
  --bg-card: #ffffff;
  --bg-card-hover: #f8f9fc;
  --bg-input: #f0f2f5;
  --bg-header: rgba(245, 247, 250, 0.92);
  --text: #1e293b;
  --text-muted: #64748b;
  --text-heading: #0f172a;
  --border: #e2e8f0;
  --border-hover: #cbd5e1;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-bg: rgba(99, 102, 241, 0.08);
  --green: #16a34a;
  --green-bg: rgba(22, 163, 74, 0.08);
  --amber: #d97706;
  --amber-bg: rgba(217, 119, 6, 0.08);
  --red: #dc2626;
  --red-bg: rgba(220, 38, 38, 0.08);
  --blue: #2563eb;
  --blue-bg: rgba(37, 99, 235, 0.08);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

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

a:hover {
  color: var(--accent-hover);
}

img {
  max-width: 100%;
  display: block;
}

ul, ol {
  list-style: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.3;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

code, .mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.text-muted {
  color: var(--text-muted);
}

/* ---------- Layout ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.logo .accent {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

/* ---------- Theme Toggle ---------- */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all var(--transition);
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Hero Section ---------- */
.hero {
  text-align: center;
  padding: 4rem 0 3rem;
}

.hero .badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: 50px;
  margin-bottom: 1.25rem;
  letter-spacing: 0.03em;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- Profile Cards Grid ---------- */
.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  padding: 2rem 0;
}

.profile-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.profile-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  background: var(--bg-card-hover);
}

.profile-card .icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  background: var(--accent-bg);
}

.profile-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  color: var(--text-heading);
}

.profile-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ---------- Form Inputs ---------- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.input-prefix {
  position: relative;
}

.input-prefix::before {
  content: "\00A3";
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  pointer-events: none;
  z-index: 1;
}

.input-prefix input[type="text"],
.input-prefix input[type="number"] {
  padding-left: 2.25rem;
}

.input-suffix-percent {
  position: relative;
}

.input-suffix-percent::after {
  content: "%";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  pointer-events: none;
  z-index: 1;
}

.input-suffix-percent input[type="text"],
.input-suffix-percent input[type="number"] {
  padding-right: 2.25rem;
}

input[type="text"],
input[type="number"],
input[type="email"],
select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--transition);
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-bg);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9rem;
}

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

/* ---------- Result Rows ---------- */
.result-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.result-section h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0;
  font-size: 0.92rem;
}

.result-row + .result-row {
  border-top: 1px solid var(--border);
}

.result-row .label {
  color: var(--text-muted);
}

.result-row .value {
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-heading);
}

.result-row.total {
  font-weight: 700;
  font-size: 1rem;
  padding-top: 0.85rem;
  margin-top: 0.25rem;
  border-top: 2px solid var(--border);
}

.result-row.total .value {
  color: var(--green);
}

.result-row.negative .value {
  color: var(--red);
}

/* ---------- Scenario Comparison ---------- */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.scenario-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: border-color var(--transition);
}

.scenario-card.best {
  border-color: var(--green);
}

.scenario-card h4 {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.scenario-card .big-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-heading);
  letter-spacing: -0.03em;
}

.savings-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green);
  background: var(--green-bg);
  border-radius: 50px;
  margin-top: 0.5rem;
}

/* ---------- Warning Alerts ---------- */
.warning {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  border: 1px solid transparent;
}

.warning.active {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.warning .warning-icon {
  flex-shrink: 0;
  font-size: 1.1rem;
  line-height: 1.5;
}

.warning.amber {
  color: var(--amber);
  background: var(--amber-bg);
  border-color: rgba(245, 158, 11, 0.2);
}

.warning.red {
  color: var(--red);
  background: var(--red-bg);
  border-color: rgba(239, 68, 68, 0.2);
}

.warning.blue {
  color: var(--blue);
  background: var(--blue-bg);
  border-color: rgba(59, 130, 246, 0.2);
}

/* ---------- Calendar / Deadline List ---------- */
.calendar-list,
.deadline-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.calendar-item,
.deadline-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

.calendar-item:hover,
.deadline-item:hover {
  border-color: var(--border-hover);
}

.calendar-item .date-badge,
.deadline-badge {
  flex-shrink: 0;
  min-width: 80px;
  text-align: center;
  padding: 0.5rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.3;
  white-space: nowrap;
}

.date-badge.urgent,
.deadline-badge--red {
  color: var(--red);
  background: var(--red-bg);
}

.date-badge.soon,
.deadline-badge--amber {
  color: var(--amber);
  background: var(--amber-bg);
}

.date-badge.normal,
.deadline-badge--green {
  color: var(--green);
  background: var(--green-bg);
}

.deadline-badge--blue {
  color: var(--blue);
  background: var(--blue-bg);
}

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

.deadline-title {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 0.25rem;
}

.deadline-description {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0 0 0.35rem 0;
}

.deadline-link {
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.deadline-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.calendar-item .cal-info h4 {
  font-size: 0.92rem;
  margin-bottom: 0.15rem;
}

.calendar-item .cal-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ---------- Affiliate Cards ---------- */
.affiliate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0;
}

.affiliate-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--transition);
}

.affiliate-card:hover {
  border-color: var(--accent);
}

.affiliate-card h4 {
  font-size: 1rem;
}

.affiliate-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  flex: 1;
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: inherit;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-outline:hover {
  background: var(--accent-bg);
}

.btn-sm {
  padding: 0.4rem 0.9rem;
  font-size: 0.82rem;
}

/* ---------- Collapsible Sections ---------- */
.collapsible-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 0.85rem 0;
  user-select: none;
}

.collapsible-header .chevron {
  transition: transform var(--transition);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.collapsible-header.open .chevron {
  transform: rotate(180deg);
}

.collapsible-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.collapsible-body.open {
  max-height: 2000px;
}

/* ---------- Changes Banner ---------- */
.changes-banner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 2rem 0 3rem;
}

.changes-banner h2 {
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
}

.changes-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem 2rem;
}

.changes-list li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 1.4rem;
  position: relative;
  line-height: 1.55;
}

.changes-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Mobile Summary Bar ---------- */
.mobile-summary {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-card);
  border-top: 2px solid var(--accent);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
  padding: 0.6rem 1.25rem;
}

[data-theme="dark"] .mobile-summary {
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
}

.mobile-summary .summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.15rem 0;
}

.mobile-summary .summary-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.mobile-summary .summary-value {
  font-size: 1.15rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--green);
}

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.tab-btn {
  padding: 0.7rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
}

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

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 4rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  .hero h1 { font-size: 2.25rem; }
  .hero { padding: 2.5rem 0 2rem; }

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

  .profile-grid {
    grid-template-columns: 1fr 1fr;
  }

  .changes-list {
    grid-template-columns: 1fr;
  }

  .scenario-grid {
    grid-template-columns: 1fr 1fr;
  }

  .mobile-summary {
    display: block;
  }

  body {
    padding-bottom: 60px;
  }

  .nav-links {
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.65rem; }
  .hero h1 { font-size: 1.85rem; }

  .profile-grid {
    grid-template-columns: 1fr;
  }

  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 1rem;
  }

  .site-header .container {
    height: 52px;
  }
}

/* ---------- Print Styles ---------- */
@media print {
  .site-header,
  .theme-toggle,
  .mobile-summary,
  .btn-primary,
  .btn-outline,
  .affiliate-grid {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 12pt;
  }

  .result-section,
  .profile-card,
  .changes-banner {
    border: 1px solid #ccc;
    box-shadow: none;
    break-inside: avoid;
  }

  .result-row .value {
    color: #000;
  }

  .result-row.total .value {
    color: #16a34a;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}

/* ---------- Blog Article Styles ---------- */
.blog-article {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
  line-height: 1.85;
  font-size: 1rem;
  color: var(--text);
}

.blog-article header {
  margin-bottom: 2.5rem;
}

.blog-article header h1 {
  font-size: 2rem;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.blog-article h2 {
  margin-top: 3rem;
  margin-bottom: 1rem;
  font-size: 1.4rem;
  line-height: 1.35;
  color: var(--text-heading);
}

.blog-article h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
  line-height: 1.4;
  color: var(--text-heading);
}

.blog-article p {
  margin-bottom: 1.25rem;
}

.blog-article ul,
.blog-article ol {
  margin-bottom: 1.25rem;
  padding-left: 1.25rem;
}

.blog-article li {
  margin-bottom: 0.5rem;
}

.blog-disclaimer {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.blog-disclaimer strong {
  color: var(--text);
}

.blog-calculator-cta {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--accent-bg);
  border: 1px solid var(--accent);
  border-radius: 10px;
}

.blog-calculator-cta .cta-title {
  margin: 0;
  font-weight: 600;
  color: var(--accent-hover);
  font-size: 0.95rem;
}

.blog-calculator-cta .cta-body {
  margin: 0.5rem 0 0;
  font-size: 0.92rem;
  line-height: 1.65;
}

.blog-bottom-cta {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--accent-bg);
  border: 2px solid var(--accent);
  border-radius: 12px;
  text-align: center;
}

.blog-bottom-cta h3 {
  margin: 0 0 0.75rem;
  color: var(--text-heading);
}

.blog-bottom-cta p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.blog-bottom-cta .btn-cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background var(--transition);
}

.blog-bottom-cta .btn-cta:hover {
  background: var(--accent-hover);
}

/* Blog tables */
.blog-article .table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0;
  -webkit-overflow-scrolling: touch;
}

.blog-article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  font-family: 'JetBrains Mono', monospace;
}

.blog-article thead tr {
  border-bottom: 2px solid var(--border);
}

.blog-article th {
  padding: 0.7rem 0.85rem;
  text-align: left;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.85rem;
  white-space: nowrap;
}

.blog-article td {
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--border);
}

.blog-article tbody tr:last-child td {
  border-bottom: none;
}

/* Blog step boxes (IR35 walkthrough etc) */
.blog-article .step-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  line-height: 2;
}

.blog-article .step-box p {
  margin-bottom: 0.35rem;
}

/* Blog mobile */
@media (max-width: 640px) {
  .blog-article {
    padding: 1.25rem 1rem;
    font-size: 0.95rem;
    line-height: 1.75;
  }

  .blog-article header h1 {
    font-size: 1.5rem;
  }

  .blog-article h2 {
    font-size: 1.2rem;
    margin-top: 2.5rem;
  }

  .blog-article h3 {
    font-size: 1rem;
    margin-top: 1.5rem;
  }

  .blog-article table {
    font-size: 0.78rem;
  }

  .blog-article th,
  .blog-article td {
    padding: 0.5rem 0.6rem;
  }

  .blog-disclaimer {
    padding: 1rem 1.1rem;
    font-size: 0.85rem;
  }

  .blog-calculator-cta {
    padding: 1rem 1.1rem;
  }

  .blog-bottom-cta {
    padding: 1.5rem 1rem;
  }

  .blog-article .step-box {
    padding: 1rem;
    font-size: 0.82rem;
    line-height: 1.9;
  }
}

/* ---------- Custom Scrollbar ---------- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border) var(--bg);
}

/* ---------- Blog Article Typography ---------- */
.blog-article {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
  line-height: 1.85;
  font-size: 1rem;
}

.blog-article header {
  margin-bottom: 2.5rem;
}

.blog-article h1 {
  font-size: 2.1rem;
  line-height: 1.3;
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}

.blog-article h2 {
  margin-top: 3.5rem;
  margin-bottom: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 1.5rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.blog-article h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.blog-article h3 {
  margin-top: 2.5rem;
  margin-bottom: 1.25rem;
  font-size: 1.2rem;
  line-height: 1.4;
}

.blog-article p {
  margin-bottom: 1.5rem;
}

.blog-article p:last-child {
  margin-bottom: 0;
}

.blog-article ul,
.blog-article ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.blog-article li {
  margin-bottom: 0.6rem;
  line-height: 1.75;
}

.blog-article li:last-child {
  margin-bottom: 0;
}

.blog-article a {
  color: var(--accent);
  text-decoration: none;
}

.blog-article a:hover {
  text-decoration: underline;
}

/* Disclaimer box */
.blog-disclaimer {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.blog-disclaimer strong {
  color: var(--text);
}

/* Tables */
.blog-article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  font-family: 'JetBrains Mono', monospace;
  margin: 1.5rem 0 2rem;
}

.blog-article thead tr {
  border-bottom: 2px solid var(--border);
}

.blog-article th {
  padding: 0.75rem 1rem;
  text-align: left;
  color: var(--text-muted);
  font-weight: 600;
}

.blog-article td {
  padding: 0.75rem 1rem;
}

.blog-article tbody tr {
  border-bottom: 1px solid var(--border);
}

.blog-article tbody tr:last-child {
  border-bottom: none;
}

/* Step-by-step boxes */
.blog-steps {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.75rem 2rem;
  margin: 1.5rem 0 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  line-height: 2;
}

/* Calculator callout */
.blog-calculator-cta {
  margin: 2.5rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--accent-bg);
  border: 1px solid var(--accent);
  border-radius: 10px;
}

.blog-calculator-cta .cta-title {
  margin: 0;
  font-weight: 600;
  color: var(--accent-hover);
  font-size: 1rem;
}

.blog-calculator-cta .cta-body {
  margin: 0.5rem 0 0;
  font-size: 0.92rem;
}

.blog-calculator-cta .cta-body a {
  color: var(--accent);
  font-weight: 600;
}

/* Bottom CTA card */
.blog-bottom-cta {
  margin-top: 3rem;
  padding: 2.5rem 2rem;
  background: var(--accent-bg);
  border: 2px solid var(--accent);
  border-radius: 12px;
  text-align: center;
}

.blog-bottom-cta h3 {
  margin: 0 0 0.75rem;
  font-size: 1.3rem;
}

.blog-bottom-cta p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.blog-bottom-cta .cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.blog-bottom-cta .btn-cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}

.blog-bottom-cta .btn-cta-outline {
  display: inline-block;
  background: transparent;
  color: var(--accent);
  padding: 0.75rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--accent);
}

/* Sources list */
.blog-article .sources {
  font-size: 0.92rem;
  margin-top: 1.5rem;
}

.blog-article .sources li {
  margin-bottom: 0.4rem;
}

/* Table wrapper for mobile scroll */
.table-wrap {
  overflow-x: auto;
  margin: 1.5rem 0 2rem;
}

/* Highlight values in tables */
.val-red {
  color: var(--red);
  font-weight: 600;
}

.val-green {
  color: var(--green);
  font-weight: 600;
}

/* Blog article responsive */
@media (max-width: 600px) {
  .blog-article {
    padding: 1.5rem 0.75rem;
  }

  .blog-article h1 {
    font-size: 1.6rem;
  }

  .blog-article h2 {
    font-size: 1.25rem;
    margin-top: 3rem;
    margin-bottom: 1.25rem;
    padding-top: 1.25rem;
  }

  .blog-article h3 {
    font-size: 1.05rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
  }

  .blog-article p {
    font-size: 0.95rem;
    line-height: 1.75;
  }

  .blog-article li {
    font-size: 0.95rem;
  }

  /* Tables: compact for mobile */
  .blog-article table {
    font-size: 0.78rem;
  }

  .blog-article th,
  .blog-article td {
    padding: 0.5rem 0.6rem;
    white-space: nowrap;
  }

  .blog-article th:first-child,
  .blog-article td:first-child {
    white-space: normal;
    min-width: 90px;
  }

  .table-wrap {
    position: relative;
  }

  /* Scroll hint gradient on right edge */
  .table-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(to right, transparent, var(--bg));
    pointer-events: none;
    border-radius: 0 10px 10px 0;
  }

  .blog-disclaimer {
    padding: 1rem 1.25rem;
    font-size: 0.85rem;
  }

  .blog-steps {
    padding: 1rem 1.25rem;
    font-size: 0.82rem;
    line-height: 1.8;
  }

  .blog-calculator-cta {
    padding: 1rem 1.25rem;
    margin: 2rem 0;
  }

  .blog-calculator-cta .cta-title {
    font-size: 0.92rem;
  }

  .blog-calculator-cta .cta-body {
    font-size: 0.85rem;
  }

  .blog-bottom-cta {
    padding: 1.5rem 1rem;
  }

  .blog-bottom-cta h3 {
    font-size: 1.15rem;
  }

  .blog-bottom-cta .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .blog-bottom-cta .btn-cta,
  .blog-bottom-cta .btn-cta-outline {
    text-align: center;
    padding: 0.85rem 1.5rem;
  }
}