/* Tax Calc Tool - taxcalctool.org */
/* Primary: Deep Purple #2D1B4E, Accent: Coral #FF6B6B */

:root {
  --tct-primary: #2D1B4E;
  --tct-primary-light: #4A306D;
  --tct-accent: #FF6B6B;
  --tct-accent-hover: #E85555;
  --tct-bg: #FAFAFA;
  --tct-card-bg: #FFFFFF;
  --tct-text: #2C2C2C;
  --tct-text-light: #666666;
  --tct-border: #E8E8E8;
  --tct-success: #27AE60;
  --tct-warning: #F39C12;
  --tct-shadow: 0 2px 8px rgba(45,27,78,0.08);
  --tct-shadow-lg: 0 4px 20px rgba(45,27,78,0.12);
}

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

body {
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--tct-bg);
  color: var(--tct-text);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  color: var(--tct-primary);
}

/* Header */
.tct-header {
  background: var(--tct-primary);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--tct-shadow);
}

.tct-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tct-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
}

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

.tct-nav { display: flex; gap: 2rem; list-style: none; }

.tct-nav a {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Mobile Menu */
.tct-mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero */
.tct-hero {
  background: linear-gradient(135deg, var(--tct-primary) 0%, var(--tct-primary-light) 100%);
  color: white;
  padding: 4rem 2rem;
  text-align: center;
}

.tct-hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: white;
}

.tct-hero p {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.tct-btn {
  display: inline-block;
  background: var(--tct-accent);
  color: white;
  padding: 0.875rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s;
  border: none;
  cursor: pointer;
}

.tct-btn:hover {
  background: var(--tct-accent-hover);
  transform: translateY(-2px);
}

.tct-btn-secondary {
  background: transparent;
  border: 2px solid white;
  margin-left: 1rem;
}

.tct-btn-secondary:hover { background: rgba(255,255,255,0.1); }

/* Container */
.tct-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Cards */
.tct-card {
  background: var(--tct-card-bg);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--tct-shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.tct-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--tct-shadow-lg);
}

.tct-card-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--tct-primary);
}

.tct-card-desc {
  color: var(--tct-text-light);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

/* Tool Cards - Full area clickable */
.tct-tool-card {
  background: var(--tct-card-bg);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--tct-shadow);
  transition: all 0.3s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
  border: 2px solid transparent;
}

.tct-tool-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--tct-shadow-lg);
  border-color: var(--tct-accent);
}

.tct-tool-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--tct-primary-light), var(--tct-primary));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

/* Grid */
.tct-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.tct-grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

/* Section */
.tct-section {
  padding: 3rem 0;
}

.tct-section-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
}

/* Forms */
.tct-form-group {
  margin-bottom: 1.25rem;
}

.tct-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--tct-primary);
}

.tct-input, .tct-select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--tct-border);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s;
  font-family: inherit;
}

.tct-input:focus, .tct-select:focus {
  outline: none;
  border-color: var(--tct-primary-light);
}

/* Results */
.tct-result-box {
  background: linear-gradient(135deg, var(--tct-primary-light), var(--tct-primary));
  color: white;
  padding: 2rem;
  border-radius: 12px;
  margin-top: 1.5rem;
  text-align: center;
}

.tct-result-amount {
  font-size: 2.5rem;
  font-weight: 700;
  font-family: 'Playfair Display', serif;
}

/* Tables */
.tct-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.tct-table th, .tct-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--tct-border);
}

.tct-table th {
  background: var(--tct-primary);
  color: white;
  font-weight: 600;
}

/* Footer */
.tct-footer {
  background: var(--tct-primary);
  color: rgba(255,255,255,0.8);
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

.tct-footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.tct-footer h4 {
  color: white;
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.tct-footer a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

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

.tct-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1rem;
  text-align: center;
  font-size: 0.85rem;
}

/* Ad Slots - 横条广告位，默认显示 */
.tct-ad-slot {
  display: block;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  min-height: 250px;
  height: 250px;
  margin-top: 20px;
  margin-bottom: 20px;
  text-align: center;
  background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0369a1;
  font-family: system-ui, sans-serif;
  font-size: 14px;
}

.tct-ad-slot.has-content {
  display: flex;
}

.tct-ad-slot iframe, .tct-ad-slot img {
  max-height: 150px !important;
}

.tct-ad-fallback {
  display: none;
  background: #f5f5f5;
  border: 1px dashed #ccc;
  padding: 20px;
  text-align: center;
  color: #999;
  font-size: 12px;
}

/* Article */
.tct-article-meta {
  color: var(--tct-text-light);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.tct-article-content {
  font-size: 1.1rem;
  line-height: 1.8;
}

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

/* Tool specific layouts */
.tct-sidebar-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
}

.tct-dashboard-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.tct-bigcard-layout {
  max-width: 800px;
  margin: 0 auto;
}

.tct-accordion-item {
  border: 1px solid var(--tct-border);
  border-radius: 8px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.tct-accordion-header {
  background: var(--tct-card-bg);
  padding: 1rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}

.tct-accordion-header:hover { background: #f8f8f8; }

.tct-accordion-body {
  padding: 1.5rem;
  display: none;
}

.tct-accordion-item.active .tct-accordion-body { display: block; }

.tct-timeline {
  position: relative;
  padding-left: 2rem;
}

.tct-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--tct-primary-light);
}

.tct-timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 1.5rem;
}

.tct-timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--tct-accent);
  border: 3px solid var(--tct-primary);
}

.tct-search-list {
  list-style: none;
}

.tct-search-list-item {
  padding: 1rem;
  border-bottom: 1px solid var(--tct-border);
  cursor: pointer;
  transition: background 0.2s;
}

.tct-search-list-item:hover { background: #f8f8f8; }

/* Sticky bar */
.tct-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--tct-primary);
  color: white;
  padding: 0.75rem;
  text-align: center;
  font-size: 0.85rem;
  z-index: 99;
}

/* Breadcrumb */
.tct-breadcrumb {
  padding: 1rem 0;
  font-size: 0.9rem;
  color: var(--tct-text-light);
}

.tct-breadcrumb a {
  color: var(--tct-primary-light);
  text-decoration: none;
}

/* Schema helper */
.tct-schema { display: none; }

/* Responsive */
@media (max-width: 768px) {
  .tct-mobile-menu-btn { display: block; }
  .tct-nav { 
    display: none; 
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--tct-primary);
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
  }
  .tct-nav.active { display: flex; }
  .tct-hero h1 { font-size: 1.75rem; }
  .tct-footer-grid { grid-template-columns: 1fr 1fr; }
  .tct-sidebar-layout { grid-template-columns: 1fr; }
  .tct-dashboard-layout { grid-template-columns: 1fr; }
  .tct-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .tct-footer-grid { grid-template-columns: 1fr; }
  .tct-hero { padding: 2rem 1rem; }
  .tct-container { padding: 0 1rem; }
}


/* Inline tool cards - V10.1-patch compliant */
a.tct-inline-tool {
  display: flex;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  margin: 2rem 0;
  padding: 1.5rem;
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  border-radius: 12px;
  border-left: 4px solid var(--tct-primary);
  transition: transform 0.2s, box-shadow 0.2s;
}

a.tct-inline-tool:hover {
  transform: translateY(-2px);
  box-shadow: var(--tct-shadow-lg);
}

a.tct-inline-tool * {
  pointer-events: none;
}

/* Blog ad slots */
#blog_top, #blog_bottom {
  margin: 2rem 0;
}

#blog_mid {
  margin: 2rem 0;
}

/* Mobile nav fix */
@media (max-width: 768px) {
  .tct-nav {
    display: none !important;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--tct-primary);
    flex-direction: column !important;
    padding: 1rem;
    gap: 1rem;
    z-index: 999;
  }
  .tct-nav.active {
    display: flex !important;
  }
  .tct-nav a {
    display: block;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 0.5rem;
  }
}

/* === Post Template V3.0 CSS Injection for tct === */

.tct-post-header {
  margin-bottom: 24px;
}
.tct-post-header h1 {
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 12px;
}
.tct-post-meta {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 12px;
}
.tct-category-badge {
  display: inline-block;
  padding: 4px 12px;
  background: #e8f0fe;
  color: #1a73e8;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}
.tct-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.tct-post-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}
.tct-post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #333;
}
.tct-post-content p {
  margin-bottom: 1.2em;
}
.tct-post-content h2 {
  font-size: 1.6rem;
  margin-top: 2em;
  margin-bottom: 0.8em;
}
.tct-post-content h3 {
  font-size: 1.3rem;
  margin-top: 1.6em;
  margin-bottom: 0.6em;
}
.tct-post-footer {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  max-width: 800px;
  margin: 40px auto 0;
  padding: 0 20px;
}
@media (max-width: 768px) {
  .tct-post-footer {
    grid-template-columns: 1fr;
  }
}
.tct-related-articles h3,
.tct-recommended-tools h3 {
  font-size: 1.2rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #eee;
}
.tct-related-list,
.tct-tool-rec-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tct-related-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  padding: 16px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid #eee;
  transition: box-shadow 0.2s, transform 0.2s;
}
.tct-related-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.tct-related-card * {
  pointer-events: none;
}
.tct-related-card h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: #1a73e8;
}
.tct-related-card p {
  font-size: 0.85rem;
  color: #666;
  margin: 0;
}
.tct-author-box {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: #f8f9fa;
  border-radius: 12px;
  margin: 32px 0;
  align-items: flex-start;
}
@media (max-width: 768px) {
  .tct-author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}
.tct-author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.tct-author-info {
  flex: 1;
}
.tct-author-name {
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.tct-author-title {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 8px;
}
.tct-author-bio {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #444;
  margin-bottom: 8px;
}
.tct-author-location {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 8px;
}
.tct-author-bio-link {
  font-size: 0.9rem;
  color: #1a73e8;
  text-decoration: none;
}
.tct-author-bio-link:hover {
  text-decoration: underline;
}


/* ---- Navigation Container Fix ---- */
.tct-nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--tct-max-width, 1200px);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
  box-sizing: border-box;
}


/* ---- Breadcrumb Align Fix ---- */
.tct-breadcrumb {
  max-width: var(--tct-max-width, 1200px);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  width: 100%;
  box-sizing: border-box;
}


/* ---- Mobile Menu Active Fix ---- */
@media (max-width: 768px) {
  .tct-nav-links {
    display: none !important;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e5e7eb;
    padding: 1rem 1.5rem;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    z-index: 999;
  }
  .tct-nav-links.active {
    display: flex !important;
  }
  .tct-nav-links li {
    width: 100%;
    list-style: none;
  }
  .tct-nav-links a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: inherit;
  }
  .tct-nav-links a:last-child {
    border-bottom: none;
  }
}


/* ---- Hamburger Button Fix ---- */
.tct-nav-hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}
@media (max-width: 768px) {
  .tct-nav-hamburger {
    display: block !important;
  }
}