/* Modern Chirpy Theme CSS with Responsive Clickable Icon Header & Real-time Search Engine */
:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --bg-color: #f8fafc;
  --text-color: #1e293b;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --accent-color: #ef4444;
  --header-bg: #ffffff;
  --dropdown-bg: #ffffff;
  --dropdown-hover: #f1f5f9;
}

[data-theme="dark"] {
  --primary-color: #3b82f6;
  --primary-hover: #60a5fa;
  --bg-color: #0f172a;
  --text-color: #f1f5f9;
  --card-bg: #1e293b;
  --border-color: #334155;
  --accent-color: #f87171;
  --header-bg: #1e293b;
  --dropdown-bg: #1e293b;
  --dropdown-hover: #334155;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  line-height: 1.7;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Header Navbar Layout */
.site-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 8px 0;
  gap: 16px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-color) !important;
  text-decoration: none !important;
  white-space: nowrap;
}

/* Clickable Menu Toggle Button */
.mobile-menu-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mobile-menu-toggle:hover, .mobile-menu-toggle.active {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
}

.menu-icon {
  font-size: 1.1rem;
  line-height: 1;
}

/* Nav Container & Menu */
.nav-container {
  display: flex;
  align-items: center;
}

.nav-menu, ul.nav-menu {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 16px;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.nav-menu li, ul.nav-menu li {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.nav-menu a {
  color: var(--text-color);
  text-decoration: none !important;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.nav-menu a:hover {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
}

/* Header Right Options & Search Engine */
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-box {
  position: relative;
}

.search-input {
  padding: 8px 16px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background: var(--bg-color);
  color: var(--text-color);
  font-size: 0.85rem;
  width: 180px;
  transition: width 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.search-input:focus {
  outline: none;
  width: 240px;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

/* Real-time Search Dropdown UI */
.search-results-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 360px;
  max-height: 420px;
  overflow-y: auto;
  background: var(--dropdown-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
  z-index: 1050;
  padding: 8px 0;
}

.search-dropdown-header {
  padding: 8px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary-color);
  border-bottom: 1px solid var(--border-color);
}

.search-result-item {
  display: block;
  padding: 10px 16px;
  text-decoration: none !important;
  color: var(--text-color);
  border-bottom: 1px solid var(--border-color);
  transition: background 0.15s ease;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: var(--dropdown-hover);
}

.search-item-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.search-item-title {
  font-size: 0.9rem;
  color: var(--text-color);
}

.search-item-desc {
  font-size: 0.78rem;
  color: #64748b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-no-results {
  padding: 16px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-color);
}

mark.search-highlight {
  background: rgba(253, 224, 71, 0.4);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
  font-weight: 700;
}

.btn-tg {
  background: #0088cc;
  color: #ffffff !important;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  text-decoration: none !important;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(0, 136, 204, 0.3);
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn-tg:hover {
  background: #0077b5;
  transform: translateY(-1px);
}

.theme-toggle {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 6px 10px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}

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

/* Hero Section */
.hero-section {
  padding: 48px 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(37,99,235,0.06) 0%, rgba(239,68,68,0.06) 100%);
  border-bottom: 1px solid var(--border-color);
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--primary-color);
}

.hero-description {
  max-width: 820px;
  margin: 0 auto 24px auto;
  font-size: 1.05rem;
  color: var(--text-color);
}

/* Top 4 Recommended Cards */
.top-providers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.provider-card {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: 14px;
  padding: 22px;
  position: relative;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.provider-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.provider-card.rank-1 { border-color: #ef4444; }

.provider-badge {
  position: absolute;
  top: -12px;
  right: 16px;
  background: var(--accent-color);
  color: #ffffff;
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 700;
}

.btn-affiliate {
  display: block;
  width: 100%;
  text-align: center;
  background: #ef4444;
  color: #ffffff !important;
  padding: 11px 0;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none !important;
  margin-top: 14px;
  box-shadow: 0 4px 12px rgba(239,68,68,0.3);
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn-affiliate:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

/* Chirpy Prompts/Callouts */
.prompt-tip, .prompt-info, .prompt-warning {
  padding: 16px;
  border-radius: 10px;
  margin: 20px 0;
  border-left: 4px solid;
}

.prompt-tip { background: rgba(16, 185, 129, 0.1); border-color: #10b981; }
.prompt-info { background: rgba(59, 130, 246, 0.1); border-color: #3b82f6; }
.prompt-warning { background: rgba(245, 158, 11, 0.1); border-color: #f59e0b; }

/* Responsive Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 20px 0;
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
}

th, td {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  text-align: left;
}

th { background: rgba(0,0,0,0.03); }

/* Footer */
.site-footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 40px 0 20px 0;
  margin-top: 60px;
  font-size: 0.9rem;
}

/* Responsive Navigation Breakpoint */
@media (max-width: 991px) {
  .mobile-menu-toggle {
    display: inline-flex;
  }

  .nav-container {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border-bottom: 2px solid var(--primary-color);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
    padding: 16px;
    z-index: 999;
  }

  .nav-container.active {
    display: block !important;
  }

  .nav-menu, ul.nav-menu {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
  }

  .nav-menu a {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--bg-color);
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .search-results-dropdown {
    width: 290px;
    right: 0;
  }

  .search-input {
    width: 120px;
  }

  .search-input:focus {
    width: 140px;
  }
}

/* Custom Beginner Guide Section Styling */
.guide-container {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.guide-step-card {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.guide-step-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.06);
}

.guide-badge-num {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-color);
  color: #fff;
  font-weight: 700;
  border-radius: 50%;
  font-size: 0.9rem;
}