@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Oxanium:wght@400;500;600;700;800&display=swap');

:root {
  /* Common - Layout & Transitions */
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-pill: 9999px;
  --transition-smooth: all 0.25s ease-in-out;

  /* Fonts */
  --font-header: 'Oxanium', sans-serif;
  --font-technical: 'IBM Plex Mono', monospace;
  --font-main: 'Inter', sans-serif;

  /* Light Theme (Default) */
  --bg-color: #f8fafc;
  --text-main: #0f172a;
  --text-muted: #475569;
  --surface-color: #ffffff;
  --accent-color: #0060df;
  --accent-rgb: 0, 96, 223;
  --accent-hover: #4facfe;
  --nav-bg: #ffffff;
  --nav-text: #0f172a;
  --border-color: rgba(var(--accent-rgb), 0.15);
  --shadow-soft: 0 4px 16px rgba(var(--accent-rgb), 0.05);
  --shadow-hover: 0 12px 24px rgba(var(--accent-rgb), 0.12);
  --search-bg: #f1f5f9;
  --card-title: #0f172a;
  --link-hover-bg: rgba(var(--accent-rgb), 0.06);
}

[data-theme="dark"] {
  /* Dark Theme */
  --bg-color: #050b14;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --surface-color: #0c1524;
  --accent-color: #00f2fe;
  --accent-rgb: 0, 242, 254;
  --accent-hover: #4facfe;
  --nav-bg: #050b14;
  --nav-text: #ffffff;
  --border-color: rgba(var(--accent-rgb), 0.2);
  --shadow-soft: 0 4px 16px rgba(var(--accent-rgb), 0.15);
  --shadow-hover: 0 12px 24px rgba(var(--accent-rgb), 0.3);
  --search-bg: #0f172a;
  --card-title: #ffffff;
  --link-hover-bg: rgba(var(--accent-rgb), 0.1);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-header);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-main);
}

a {
  text-decoration: none;
  color: inherit;
}

/* NBC-Style Navbar */
.navbar {
  background-color: var(--nav-bg);
  color: var(--nav-text);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0 5%;
  height: 70px;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.brand-group {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Navigation icon buttons (Menu, Theme, Search) */
.nav-icon-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--nav-text);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 1.2rem;
}

.nav-icon-btn:hover {
  background: var(--link-hover-bg);
  border-color: var(--accent-color);
}

/* Expandable Search Styles */
.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-container {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%) scaleX(0.9);
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  width: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 0;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: right;
  z-index: 10;
  box-shadow: var(--shadow-hover);
}

.search-wrapper.active .search-input-container {
  width: min(280px, 70vw);
  padding: 0 16px;
  opacity: 1;
  pointer-events: all;
  transform: translateY(-50%) scaleX(1);
}

.search-wrapper.active #search-trigger {
  opacity: 0;
  pointer-events: none;
}

#search-input {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: var(--font-technical);
  font-size: 0.9rem;
  padding: 10px 0;
  outline: none;
}

#search-input:focus {
  transform: translateX(2px);
}

.search-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition-smooth);
}

.search-close-btn:hover {
  color: var(--accent-color);
}

/* Theme Icon Display Logic */
.nav-icon-btn .ph-sun {
  display: none;
}

.nav-icon-btn .ph-moon {
  display: block;
}

[data-theme="dark"] .nav-icon-btn .ph-sun {
  display: block;
}

[data-theme="dark"] .nav-icon-btn .ph-moon {
  display: none;
}

.nav-brand .brand-logo {
  font-family: var(--font-header);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--nav-text);
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}

.brand-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] .brand-logo-img {
  /* Shifts the blue towards cyan and brightens it to match dark mode accents */
  filter: hue-rotate(-25deg) brightness(1.3) saturate(1.2) drop-shadow(0 4px 12px rgba(0, 242, 254, 0.3));
}

.nav-brand .brand-logo:hover .brand-logo-img {
  transform: scale(1.08) rotate(-5deg);
}

.accent-gradient {
  background: linear-gradient(135deg, var(--accent-color), #4facfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


[data-theme="dark"] .accent-gradient {
  background: linear-gradient(135deg, #4facfe, #00f2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.accent-text {
  color: var(--accent-color);
  font-weight: 700;
}

.nav-slogan {
  font-family: var(--font-technical);
  font-weight: 500;
  letter-spacing: 0.01em;
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  opacity: 0.85;
}

.nav-container .nav-brand {
  z-index: 2;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

@media (max-width: 600px) {
  .section-container {
    padding: 0 16px; /* Consistent fixed padding on small screens */
  }
}

.directory-section {
  padding: 40px 0 80px;
}

/* Directory Layout */
.directory-container {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  width: 100%;
}

.masonry-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0; /* Prevent column from pushing layout */
}

/* Category Block */
.category-block {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: var(--transition-smooth);
}

.category-header {
  background: rgba(var(--accent-rgb), 0.1);
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  font-family: var(--font-header);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition-smooth);
  flex-wrap: wrap; /* Allow title to wrap on mobile */
  word-break: break-word;
}

@media (max-width: 480px) {
  .category-header {
    padding: 12px 16px;
    font-size: 0.95rem;
  }
}

.category-block.is-expanded .category-header:hover {
  background: rgba(var(--accent-rgb), 0.2);
  color: var(--accent-color);
}

.category-header i {
  color: var(--accent-color);
  font-size: 1.2rem;
}

.collapse-icon {
  margin-left: auto;
  font-size: 1rem;
  opacity: 0.6;
}

/* Dense Links */
.category-links {
  display: flex;
  flex-direction: column;
  padding: 8px;
}

.sponsored-card {
  display: block;
  margin: 10px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.2), rgba(var(--accent-rgb), 0.05));
  border: 1px solid var(--accent-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.sponsored-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(var(--accent-rgb), 0.4);
}

.card-img-wrapper {
  width: 100%;
  height: 100px;
  overflow: hidden;
  position: relative;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-content {
  padding: 12px;
}

.card-tag {
  font-family: var(--font-technical);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-color);
  text-transform: uppercase;
  margin-bottom: 4px;
  display: block;
}

.card-title {
  font-family: var(--font-header);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--card-title);
  margin-bottom: 4px;
}

.card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.link-favicon {
  width: 16px;
  height: 16px;
  margin-right: 10px;
  flex-shrink: 0;
  opacity: 0.9;
}

.link-fallback-icon {
  font-size: 0.9rem;
  color: var(--accent-color);
  opacity: 0.7;
  flex-shrink: 0;
  width: 16px;
  text-align: center;
  margin-right: 10px;
}

.dense-link {
  display: flex;
  align-items: center;
  justify-content: space-between; /* Space out title and badge */
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-technical);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.link-main {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  flex: 1; /* Take up available space */
  min-width: 0; /* Critical for truncation in flexbox */
}

.link-text-content {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dense-link:hover {
  background: var(--link-hover-bg);
  color: var(--accent-color);
  transform: translateX(4px);
}

.dense-link.verified-link {
  border-left: 2px solid var(--accent-color);
  background: rgba(var(--accent-rgb), 0.03);
}

.verified-badge {
  color: var(--accent-color);
  font-size: 0.9rem;
  flex-shrink: 0;
}


.dense-link.ad-link {
  color: var(--accent-hover);
  background: rgba(var(--accent-rgb), 0.08);
  border-radius: var(--radius-md);
}

.dense-link.ad-link:hover {
  background: rgba(var(--accent-rgb), 0.15);
}

.ad-badge {
  font-family: var(--font-technical);
  font-size: 0.6rem;
  background: var(--accent-color);
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  margin-left: auto;
  font-weight: 700;
}

.no-results {
  padding: 60px;
  text-align: center;
  color: var(--text-muted);
  grid-column: 1 / -1;
}

.no-results i {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.3;
}

.show-more-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  background: var(--link-hover-bg);
  color: var(--text-muted);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  font-family: var(--font-technical);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.show-more-btn:hover {
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent-color);
  border-color: var(--accent-color);
  border-style: solid;
}

/* Hero textual area for About page */
.hero-minimal {
  padding: 100px 5%;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  font-family: var(--font-technical);
}

.hero-title {
  color: var(--text-main);
}

.hero-minimal h1 {
  font-size: clamp(2.2rem, 4vw, 3rem);
  margin-bottom: 24px;
  color: var(--text-main);
}

.hero-minimal p {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-main);
  line-height: 1.6;
}

.footer {
  text-align: center;
  padding: 30px 40px;
  color: var(--text-muted);
  font-family: var(--font-technical);
  font-size: 0.75rem;
  border-top: 1px solid var(--border-color);
  margin-top: 40px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

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

.footer-divider {
  color: var(--text-muted);
  opacity: 0.5;
}

/* Full Screen Hamburger Menu */
.fullscreen-menu-overlay {
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  height: calc(100vh - 70px);
  background-color: var(--bg-color);
  z-index: 990;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.fullscreen-menu-overlay.active {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.menu-categories-list {
  list-style: none;
  width: 100%;
}

.menu-categories-list li {
  border-bottom: 1px solid var(--border-color);
}

.menu-categories-list a {
  display: block;
  padding: 20px 5%;
  font-family: var(--font-header);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

.menu-categories-list a:hover {
  background-color: var(--link-hover-bg);
  color: var(--accent-color);
}

/* Carbon Ads Integration Styling */
.carbon-ad-block {
  border: 1px dashed var(--accent-color);
  background: rgba(var(--accent-rgb), 0.02);
}

.carbon-wrap {
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 140px;
}

#carbon-ads-container {
  width: 100%;
  max-width: 300px;
}

.carbon-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}

.carbon-text {
  font-family: var(--font-technical);
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.carbon-cta {
  font-family: var(--font-header);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-color);
  padding: 6px 16px;
  border: 1px solid var(--accent-color);
  border-radius: var(--radius-pill);
  transition: var(--transition-smooth);
}

.carbon-cta:hover {
  background: var(--accent-color);
  color: var(--bg-color);
}

/* Ensure real Carbon Ads look good when injected */
#carbonads {
  font-family: var(--font-technical) !important;
  display: block;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.5;
  text-align: left;
}

#carbonads a {
  color: inherit;
  text-decoration: none;
}

#carbonads span {
  position: relative;
  display: block;
  overflow: hidden;
}

.carbon-img {
  display: block;
  margin-bottom: 8px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.carbon-text {
  display: block;
  float: none;
  margin-bottom: 8px;
  text-align: left;
}

.carbon-poweredby {
  display: block;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 8px !important;
  font-weight: 600;
  line-height: 1;
  color: var(--text-muted) !important;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .directory-container {
    flex-direction: column;
    width: 100%;
    overflow-x: hidden; /* Safety against micro-overflows */
  }

  .masonry-col {
    width: 100%;
  }

  .search-wrapper.active .search-input-container {
    width: min(220px, 60vw);
  }
}