/* ========================================
   Katen Classic Theme
   ======================================== */

@font-face {
  font-family: 'WonchuriBody';
  src: url('../fonts/WonchuriBodyB.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

:root {
  --primary: #14b8a6;
  --primary-dark: #0d9488;
  --gradient: linear-gradient(135deg, #38bdf8 0%, #14b8a6 100%);
  --dark: #0f2027;
  --text: #3a3a3a;
  --text-light: #888;
  --text-muted: #bbb;
  --border: #ebebeb;
  --bg: #fff;
  --bg-light: #f7f7f7;
  --font-head: 'WonchuriBody', 'Playfair Display', Georgia, serif;
  --font-body: 'WonchuriBody', 'Source Sans Pro', Arial, sans-serif;
  --pill: 50px;
  --ease: all 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); font-size: 15px; line-height: 1.7; color: var(--text); background: var(--bg); }
a { color: inherit; text-decoration: none; transition: var(--ease); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-head); font-weight: 700; line-height: 1.3; color: var(--dark); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========================================
   HEADER
   ======================================== */
.site-header { background: #fff; position: sticky; top: 0; z-index: 200; }

/* Row 1 */
.header-top { padding: 16px 0; border-bottom: 1px solid var(--border); }

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo a {
  font-family: var(--font-head);
  font-size: 30px;
  font-weight: 900;
  color: var(--dark);
  letter-spacing: -0.5px;
  display: inline-flex;
  align-items: baseline;
  gap: 0;
}

/* The coral dot */
.site-logo a .dot { color: var(--primary); font-size: 38px; line-height: 0; position: relative; top: 4px; }

.header-social { display: flex; gap: 16px; }

.header-social a { font-size: 15px; color: var(--text-light); }
.header-social a:hover { color: var(--primary); }

/* Row 2 */
.header-nav-bar { padding: 0; }

.header-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
}

.main-nav ul { display: flex; align-items: center; gap: 2px; }

.main-nav ul li a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  border-radius: var(--pill);
  white-space: nowrap;
}

.main-nav ul li a:hover { color: var(--primary); }

.main-nav ul li a.nav-active {
  background: var(--gradient);
  color: #fff !important;
  padding-top: 5px;
  padding-bottom: 5px;
}

.nav-actions { display: flex; gap: 8px; }

.nav-action-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gradient);
  border: none;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--ease);
}
.nav-action-btn:hover { background: var(--primary-dark); }

/* ========================================
   HERO SLIDER  —  card style with rounded corners
   ======================================== */
.hero-wrap {
  padding: 0 24px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.hero-slider {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: #374151;
  margin: 0;
}

.hero-slide {
  display: none;
  position: relative;
  height: 480px;
  align-items: center;
  justify-content: center;
}

.hero-slide.active { display: flex; }

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.hero-slide-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(25, 35, 55, 0.50);
}

.hero-slide-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  max-width: 680px;
  padding: 0 60px;
}

.hero-category {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 22px;
  border-radius: var(--pill);
  margin-bottom: 22px;
  letter-spacing: 0.3px;
}

.hero-title {
  font-family: var(--font-head);
  font-size: 44px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-title a { color: inherit; }
.hero-title a:hover { opacity: 0.85; }

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.72);
}

.hero-meta-dot {
  width: 5px;
  height: 5px;
  background: var(--gradient);
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* Slider buttons — overflow the card */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  width: 46px;
  height: 46px;
  background: rgba(255,255,255,0.18);
  border: 1.5px solid rgba(255,255,255,0.35);
  border-radius: 50%;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--ease);
  backdrop-filter: blur(6px);
}

.slider-btn:hover { background: rgba(255,255,255,0.32); }
/* Buttons sit just inside the rounded card edges */
.slider-btn.prev { left: 18px; }
.slider-btn.next { right: 18px; }

.slider-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 10;
}

.slider-dot {
  width: 24px;
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  border: none;
  transition: var(--ease);
  padding: 0;
}

.slider-dot.active {
  background: var(--gradient);
  width: 34px;
}

/* ========================================
   CATEGORY HERO
   ======================================== */
.category-hero {
  background: linear-gradient(135deg, #0f2027 0%, #1a3a4a 50%, #0d2d3a 100%);
  padding: 96px 0 88px;
  margin: 32px 0 52px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-radius: 20px;
}

.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(56,189,248,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(20,184,166,0.10) 0%, transparent 60%);
  pointer-events: none;
}

.category-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}

.category-hero-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 24px;
  color: #fff;
  box-shadow: 0 8px 24px rgba(56,189,248,0.3);
}

.category-hero-title {
  font-family: var(--font-head);
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.category-hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin-bottom: 24px;
}

.category-hero-meta {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.category-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.07);
  padding: 5px 14px;
  border-radius: var(--pill);
  border: 1px solid rgba(255,255,255,0.1);
}

/* ========================================
   MAIN LAYOUT
   ======================================== */
.site-main { padding: 0 0 72px; }

.content-wrapper {
  display: block;
}

/* ========================================
   POST CARDS
   ======================================== */
.post-card {
  display: grid;
  grid-template-columns: 380px 1fr;
  border-bottom: 1px solid var(--border);
  padding-bottom: 44px;
  margin-bottom: 44px;
}

.post-card:last-child { border-bottom: none; margin-bottom: 0; }

/* Thumb */
.post-card-thumb {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: var(--bg-light);
  aspect-ratio: 4/3;
}

.post-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.post-card:hover .post-card-thumb img { transform: scale(1.05); }

/* Gradient thumbnail */
.thumb-gradient {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s ease;
}

.post-card:hover .thumb-gradient { transform: scale(1.04); }

.thumb-tag-text {
  color: #fff;
  font-family: var(--font-head);
  font-size: 30px;
  font-weight: 700;
  text-align: center;
  padding: 0 24px;
  line-height: 1.3;
  text-shadow: 0 2px 16px rgba(0,0,0,0.18);
  pointer-events: none;
  user-select: none;
}

.post-card-category {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--gradient);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--pill);
  z-index: 1;
}

.post-card-like {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  transition: var(--ease);
  box-shadow: 0 3px 12px rgba(240,97,78,.4);
}

.post-card-like:hover { transform: scale(1.1); }

/* Body */
.post-card-body {
  padding: 4px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.post-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 10px;
}

.post-card-meta .author {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
  font-weight: 600;
}

.meta-dot {
  width: 3px;
  height: 3px;
  background: var(--text-muted);
  border-radius: 50%;
  display: inline-block;
}

.post-card-title {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
  color: var(--dark);
}

.post-card-title a:hover { color: var(--primary); }

.post-card-excerpt {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.read-more {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.read-more::after { content: '→'; transition: var(--ease); }
.read-more:hover { color: var(--primary); }
.read-more:hover::after { transform: translateX(4px); }

/* Category divider badge */
.category-divider { margin-bottom: 28px; }

.category-badge {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: var(--pill);
}

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 52px; }

.pagination a,
.pagination span {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  transition: var(--ease);
}

.pagination a:hover, .pagination .current { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ========================================
   SIDEBAR
   ======================================== */
.sidebar { position: sticky; top: 118px; }

.widget { margin-bottom: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--border); }
.widget:last-child { border-bottom: none; margin-bottom: 0; }

.widget-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 22px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

/* About */
.widget-about { text-align: center; }

.about-logo {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 14px;
  display: inline-flex;
  align-items: baseline;
}

.about-logo .dot { color: var(--primary); font-size: 34px; line-height: 0; position: relative; top: 4px; }

.about-desc { font-size: 13px; color: var(--text-light); line-height: 1.75; margin-bottom: 18px; }

.about-social { display: flex; justify-content: center; gap: 8px; }

.about-social a {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-light);
  transition: var(--ease);
}

.about-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

/* Popular Posts */
.popular-posts { display: flex; flex-direction: column; gap: 18px; }

.popular-post-item { display: flex; gap: 12px; align-items: flex-start; }

.popular-post-num {
  font-family: var(--font-head);
  font-size: 38px;
  font-weight: 700;
  color: #e2e2e2;
  line-height: 1;
  flex-shrink: 0;
  width: 34px;
}

.popular-post-title { font-size: 14px; font-weight: 600; color: var(--dark); line-height: 1.45; margin-bottom: 4px; }
.popular-post-title a:hover { color: var(--primary); }
.popular-post-date { font-size: 12px; color: var(--text-muted); }

/* Explore Topics */
.topics-list { display: flex; flex-direction: column; }

.topic-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--text);
  transition: var(--ease);
}

.topic-item:first-child { border-top: 1px solid var(--border); }
.topic-item:hover { color: var(--primary); padding-left: 5px; }

.topic-count {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-light);
  padding: 2px 9px;
  border-radius: 10px;
}

/* Newsletter */
.newsletter-sub { font-size: 13px; color: var(--text-light); margin-bottom: 14px; }

.newsletter-form { display: flex; flex-direction: column; gap: 10px; }

.newsletter-input {
  width: 100%;
  padding: 11px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  font-family: var(--font-body);
  outline: none;
  transition: var(--ease);
  color: var(--text);
  background: var(--bg);
}

.newsletter-input:focus { border-color: var(--primary); }
.newsletter-input::placeholder { color: var(--text-muted); }

.btn-newsletter {
  background: var(--gradient);
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--ease);
}

.btn-newsletter:hover { background: var(--primary-dark); }

.newsletter-note { font-size: 11px; color: var(--text-muted); text-align: center; margin-top: 6px; }
.newsletter-note a { color: var(--primary); }

/* Sidebar Feature */
.sidebar-feature { position: relative; border-radius: 8px; overflow: hidden; }

.sidebar-feature-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.sidebar-feature-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--primary), #f5a58a);
}

.sidebar-feature-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 55%);
}

.sidebar-feature-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 18px; }

.sidebar-feature-category {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--pill);
  margin-bottom: 7px;
}

.sidebar-feature-title { font-size: 15px; font-weight: 700; color: #fff; line-height: 1.35; margin-bottom: 8px; }
.sidebar-feature-title a:hover { opacity: 0.85; color: #fff; }

.sidebar-feature-meta { font-size: 11px; color: rgba(255,255,255,0.65); display: flex; gap: 6px; }

/* Tag Cloud */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }

.tag-cloud a {
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text-light);
  font-size: 12px;
  padding: 4px 13px;
  border-radius: var(--pill);
  transition: var(--ease);
  display: inline-block;
}

.tag-cloud a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ========================================
   SINGLE POST
   ======================================== */
.single-wrap {
  width: 100%;
}

.single-post-header {
  background: linear-gradient(135deg, #0f2027 0%, #1a3a4a 50%, #0d2d3a 100%);
  padding: 56px 0 52px;
  text-align: center;
  margin-bottom: 52px;
}

.single-post-category {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  padding: 5px 16px;
  border-radius: var(--pill);
  margin-bottom: 18px;
}

.single-post-title { font-size: 38px; line-height: 1.2; margin-bottom: 18px; color: #fff; }
.single-post-header .single-post-meta,
.single-post-header .single-post-meta .author { color: rgba(255,255,255,0.9); justify-content: center; }

.single-post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-light);
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.single-post-meta .author { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--text); }
.single-post-meta .author img { width: 30px; height: 30px; border-radius: 50%; }

.single-post-thumb { margin-bottom: 36px; border-radius: 8px; overflow: hidden; }
.single-post-thumb img { width: 100%; }

.ai-notice {
  background: linear-gradient(135deg, rgba(20,184,166,0.08) 0%, rgba(56,189,248,0.08) 100%);
  border: 1px solid rgba(20,184,166,0.3);
  border-left: 3px solid var(--primary);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 32px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

.ai-notice-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.ai-notice-head > i {
  color: var(--primary);
  font-size: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}

.ai-notice strong { color: var(--primary); }

.ai-notice-sources {
  margin-top: 13px;
  padding-top: 13px;
  border-top: 1px solid rgba(20,184,166,0.22);
}

.ai-notice-sources-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 9px;
}

.ai-notice-source {
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.55;
}

.ai-notice-source + .ai-notice-source { margin-top: 11px; }
.ai-notice-source-meta { display: block; }
.ai-notice-source-meta strong { color: var(--text); font-weight: 700; }
.ai-notice-source-title { display: block; color: var(--text); }
.ai-notice-source-url {
  display: inline-block;
  color: var(--primary);
  word-break: break-all;
}
.ai-notice-source-url:hover { color: var(--primary-dark); text-decoration: underline; }

.single-post-content { font-size: 16px; line-height: 1.85; color: var(--text); }
.single-post-content h2 { font-size: 26px; margin: 36px 0 16px; }
.single-post-content h3 { font-size: 22px; margin: 28px 0 12px; }
.single-post-content p { margin-bottom: 20px; }
.single-post-content ul,
.single-post-content ol { padding-left: 24px; margin-bottom: 20px; }
.single-post-content ul { list-style: disc; }
.single-post-content ol { list-style: decimal; }
.single-post-content li { margin-bottom: 8px; }
.single-post-content blockquote {
  border-left: 4px solid var(--primary);
  padding: 16px 24px;
  margin: 28px 0;
  background: var(--bg-light);
  font-style: italic;
  font-size: 17px;
}
.single-post-content a { color: var(--primary); text-decoration: underline; }
.single-post-content img { border-radius: 8px; margin: 20px 0; }

.single-post-content pre {
  background: #1a1e2e;
  border: 1px solid #2a3050;
  border-radius: 12px;
  padding: 28px 32px;
  margin: 28px 0;
  overflow-x: auto;
  position: relative;
}

.single-post-content pre code {
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, monospace;
  font-size: 14px;
  line-height: 1.8;
  color: #cdd6f4;
  background: none;
  padding: 0;
  border-radius: 0;
}

.single-post-content :not(pre) > code {
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  font-size: 13px;
  background: var(--bg-light);
  color: var(--primary);
  padding: 2px 7px;
  border-radius: 5px;
  border: 1px solid var(--border);
}

/* Hugo syntax highlight wrapper */
.single-post-content .highlight {
  margin: 28px 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #2a3050;
}

.single-post-content .highlight pre {
  margin: 0;
  border: none;
  border-radius: 0;
  padding: 28px 32px;
}

.single-post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 14px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.single-post-content thead tr {
  background: var(--gradient);
}

.single-post-content thead th {
  padding: 14px 20px;
  text-align: left;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.3px;
}

.single-post-content tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.single-post-content tbody tr:last-child { border-bottom: none; }

.single-post-content tbody tr:hover { background: var(--bg-light); }

.single-post-content tbody td {
  padding: 13px 20px;
  color: var(--text);
  vertical-align: middle;
}

.ioc-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.ioc-section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ioc-section-title i { color: var(--primary); }

.ioc-block {
  margin-bottom: 20px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.ioc-block-label {
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: #fff;
  background: var(--gradient);
  display: flex;
  align-items: center;
  gap: 6px;
}

.ioc-block-list {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ioc-value {
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  font-size: 12px;
  color: var(--primary);
  background: transparent;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
  word-break: break-all;
  display: block;
}

.ioc-value:last-child { border-bottom: none; }

.single-post-tags { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); font-size: 14px; }
.single-post-tags strong { margin-right: 10px; }

/* ========================================
   EMPTY STATES
   ======================================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  text-align: center;
}

.empty-state-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 20px;
}

.empty-state-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
}

.empty-state-desc {
  font-size: 14px;
  color: var(--text-light);
}

.ioc-graph-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 12px;
  color: var(--text-light);
}

.ioc-graph-empty i {
  font-size: 40px;
  color: var(--border);
}

.ioc-graph-empty p {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
}

.ioc-graph-empty span {
  font-size: 12px;
  color: var(--border);
}

.ioc-reports-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 10px;
  padding: 40px 20px;
  color: var(--text-light);
  text-align: center;
}

.ioc-reports-empty i { font-size: 28px; color: var(--border); }
.ioc-reports-empty p { font-size: 13px; }

/* ========================================
   IOC GRAPH PAGE
   ======================================== */
.ioc-hero {
  background: linear-gradient(135deg, #0f2027 0%, #1a3a4a 50%, #0d2d3a 100%);
  padding: 40px 0 36px;
  text-align: center;
}

.ioc-hero-title {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}

.ioc-hero-title i { margin-right: 10px; color: var(--primary); }

.ioc-hero-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
}

.ioc-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.ioc-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(255,255,255,0.75);
}

.ioc-legend-item i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.ioc-legend-item[data-type="actor"]    i { background: #f43f5e; }
.ioc-legend-item[data-type="malware"]  i { background: #a855f7; }
.ioc-legend-item[data-type="campaign"] i { background: #3b82f6; }
.ioc-legend-item[data-type="cve"]      i { background: #f97316; }
.ioc-legend-item[data-type="ip"]       i { background: #14b8a6; }
.ioc-legend-item[data-type="domain"]   i { background: #06b6d4; }
.ioc-legend-item[data-type="hash"]     i { background: #eab308; }
.ioc-legend-item[data-type="url"]      i { background: #84cc16; }
.ioc-legend-item[data-type="report"]   i { background: #10b981; }

.ioc-page {
  width: 100%;
  padding: 0;
  overflow: hidden;
  min-width: 0;
}

.ioc-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 0 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
}

.ioc-search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--pill);
  padding: 7px 16px;
  min-width: 200px;
}

.ioc-search-wrap i { color: var(--text-light); font-size: 13px; }

.ioc-search-wrap input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 13px;
  color: var(--text);
  width: 160px;
}

.ioc-filter-wrap {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.ioc-filter-btn {
  padding: 5px 14px;
  border-radius: var(--pill);
  border: 1px solid var(--border);
  background: transparent;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.15s;
}

.ioc-filter-btn:hover { border-color: var(--primary); color: var(--primary); }

.ioc-filter-btn.active {
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
}

.ioc-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 20px;
  margin-top: 20px;
  align-items: start;
  min-width: 0;
  overflow: hidden;
}

.ioc-graph-wrap {
  min-width: 0;
  overflow: hidden;
}

.ioc-graph-container {
  position: relative;
  width: 100%;
  height: 640px;
  background: var(--bg-light);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.ioc-reports {
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  height: 640px;
  display: flex;
  flex-direction: column;
}

.ioc-reports-header {
  padding: 14px 18px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--gradient);
  letter-spacing: 0.3px;
  flex-shrink: 0;
}

.ioc-reports-header i { margin-right: 7px; }

.ioc-reports-list {
  overflow-y: auto;
  flex: 1;
}

.ioc-report-item {
  display: block;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: background 0.15s;
}

.ioc-report-item:last-child { border-bottom: none; }

.ioc-report-item:hover { background: var(--bg-light); }

.ioc-report-date {
  font-size: 11px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 4px;
}

.ioc-report-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.4;
  margin-bottom: 4px;
}

.ioc-report-summary {
  font-size: 11px;
  color: var(--text-light);
  line-height: 1.5;
}

#ioc-graph { width: 100%; height: 100%; }

.ioc-detail-panel {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 280px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  z-index: 10;
}

.ioc-detail-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  font-size: 14px;
}

.ioc-detail-type {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
  padding: 3px 10px;
  border-radius: var(--pill);
  margin-bottom: 10px;
}

.ioc-detail-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--dark);
  word-break: break-all;
  margin-bottom: 8px;
  line-height: 1.4;
}

.ioc-detail-desc {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 14px;
}

.ioc-related-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-light);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.ioc-related-tag {
  display: inline-block;
  font-size: 11px;
  border: 1px solid;
  border-radius: 6px;
  padding: 3px 8px;
  margin: 3px 3px 0 0;
  line-height: 1.4;
}

.ioc-zoom-controls {
  position: absolute;
  top: 14px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 10;
}
.ioc-zoom-btn {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.ioc-zoom-btn:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.ioc-graph-hint {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: var(--text-light);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--pill);
  padding: 5px 16px;
  white-space: nowrap;
  pointer-events: none;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.5); padding: 26px 0; }

.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }

.footer-copy { font-size: 13px; }
.footer-copy a { color: rgba(255,255,255,0.75); }
.footer-copy a:hover { color: var(--primary); }

.footer-social { display: flex; gap: 10px; }

.footer-social a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  transition: var(--ease);
}

.footer-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

.back-to-top {
  width: 34px;
  height: 34px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 13px;
  transition: var(--ease);
}

.back-to-top:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ========================================
   SEARCH MODAL
   ======================================== */
.search-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  z-index: 2000;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
}

.search-overlay.open {
  display: flex;
}

.search-modal {
  background: var(--bg, #fff);
  border-radius: 16px;
  width: 100%;
  max-width: 640px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.25);
  overflow: hidden;
  animation: searchSlideIn 0.22s ease;
}

@keyframes searchSlideIn {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.search-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border, #e8e8e8);
}

.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-icon {
  color: var(--text-light, #888);
  font-size: 16px;
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 16px;
  color: var(--text, #222);
  background: transparent;
}

.search-input::placeholder { color: var(--text-light, #aaa); }

.search-esc-hint {
  font-size: 11px;
  color: var(--text-light, #999);
  background: var(--bg-light, #f5f5f5);
  border: 1px solid var(--border, #ddd);
  border-radius: 4px;
  padding: 2px 6px;
  flex-shrink: 0;
}

.search-body {
  max-height: 420px;
  overflow-y: auto;
  padding: 12px 0;
}

.search-empty,
.search-no-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 40px 20px;
  color: var(--text-light, #aaa);
  font-size: 14px;
}

.search-empty i,
.search-no-result i { font-size: 28px; }

#search-results { padding: 0 8px; }

.search-result-item {
  display: block;
  padding: 12px 14px;
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}

.search-result-item:hover { background: var(--bg-light, #f5f5f5); }

.search-result-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark, #1a1a1a);
  margin-bottom: 4px;
}

.search-result-title mark {
  background: transparent;
  color: var(--primary, #14b8a6);
  font-style: normal;
}

.search-result-meta {
  font-size: 12px;
  color: var(--text-light, #999);
  display: flex;
  gap: 10px;
}

.search-result-excerpt {
  font-size: 13px;
  color: var(--text-light, #777);
  margin-top: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ========================================
   DARK MODE
   ======================================== */
body.dark-mode {
  --bg: #12121e;
  --bg-light: #1e1e30;
  --text: #d0d0d0;
  --text-light: #999;
  --dark: #f0f0f0;
  --border: #2a2a42;
}

body.dark-mode .site-header,
body.dark-mode .header-top { background: #1a1a2e; border-color: #2a2a42; }

body.dark-mode .site-footer { background: #0e0e1a; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .content-wrapper { grid-template-columns: 1fr 280px; gap: 32px; }
  .post-card { grid-template-columns: 260px 1fr; }
  .hero-title { font-size: 36px; }
}

@media (max-width: 768px) {
  .content-wrapper { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .post-card { grid-template-columns: 1fr; }
  .post-card-body { padding: 18px 0 0; }
  .hero-slide { height: 340px; }
  .hero-title { font-size: 26px; }
  .hero-wrap { padding: 0 16px; }
  .header-social { display: none; }
  .single-post-title { font-size: 26px; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 20px; }
  .post-card-title { font-size: 18px; }
}

/* ── Attack Flow Shortcode ──────────────────────────────── */
.attack-flow {
  margin: 32px 0;
  position: relative;
}
.attack-step {
  display: flex;
  gap: 18px;
  position: relative;
  padding-bottom: 8px;
}
/* 세로 연결선 */
.attack-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: -8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  opacity: 0.35;
}
.attack-step-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #38bdf8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  box-shadow: 0 2px 8px rgba(20,184,166,0.25);
  position: relative;
  z-index: 1;
}
.attack-step-body {
  flex: 1;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  margin-bottom: 12px;
  transition: border-color 0.2s;
}
.attack-step-body:hover {
  border-color: var(--primary);
}
.attack-step-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--primary);
  margin-bottom: 4px;
  letter-spacing: 0.01em;
}
.attack-step-desc {
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.65;
}
.attack-step-desc p {
  margin: 0;
}
.attack-step-desc code {
  font-size: 12px;
  background: var(--code-bg, rgba(0,0,0,0.06));
  padding: 1px 6px;
  border-radius: 4px;
}

/* ── Post Image Caption ──────────────────────────────────── */
.post-img-wrap {
  margin: 28px 0;
  text-align: center;
}
.post-img-wrap img {
  border-radius: 10px;
  border: 1px solid var(--border);
  width: 100%;
  max-width: 100%;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.post-img-caption {
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--text-light);
  font-style: italic;
}