@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Exo+2:wght@300;400;600;700&display=swap');

:root {
  --bg-dark: #0a0d10;
  --bg-panel: #111620;
  --bg-card: #151c28;
  --accent: #00c8ff;
  --accent2: #ff6b00;
  --text: #cdd6e0;
  --text-dim: #7a8fa3;
  --border: #1e2d3d;
  --green: #00e676;
  --header-h: 70px;
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-dark);
  background-image:
    radial-gradient(ellipse at 20% 20%, rgba(0,200,255,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(255,107,0,0.04) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 30h60M30 0v60' stroke='%23141e2a' stroke-width='1'/%3E%3C/svg%3E");
  background-attachment: fixed;
  color: var(--text);
  font-family: 'Exo 2', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: #fff; }

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,13,16,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 1.3rem;
  color: #fff;
  white-space: nowrap;
}

.logo svg { flex-shrink: 0; }
.logo span { color: var(--accent); }

nav { display: flex; align-items: center; gap: 4px; }

nav a, .dropdown > a {
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

nav a:hover, .dropdown > a:hover { background: var(--border); color: var(--accent); }

.dropdown { position: relative; }

.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  min-width: 230px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  z-index: 200;
  overflow: hidden;
}

.dropdown:hover .dropdown-menu { display: block; }

.dropdown-menu a {
  display: block;
  padding: 10px 18px;
  font-size: 0.84rem;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.dropdown-menu a:last-child { border-bottom: none; }
.dropdown-menu a:hover { background: var(--border); color: var(--accent); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: transparent;
}

.hamburger span { display: block; width: 24px; height: 2px; background: var(--text); transition: all 0.3s; }

main { padding: 48px 0 64px; }

.hero {
  text-align: center;
  padding: 80px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,200,255,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-tag {
  display: inline-block;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 24px;
}

h1, h2, h3, h4 { font-family: 'Exo 2', sans-serif; line-height: 1.25; }

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  text-shadow: 0 0 40px rgba(0,200,255,0.3);
}

.hero h1 em { color: var(--accent); font-style: normal; }

.hero p {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto 32px;
}

.offline-banner {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,107,0,0.1);
  border: 1px solid rgba(255,107,0,0.4);
  color: var(--accent2);
  padding: 14px 28px;
  border-radius: 6px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.95rem;
}

.offline-banner::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent2);
  box-shadow: 0 0 8px var(--accent2);
  flex-shrink: 0;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.section-title span { color: var(--accent); }

.section-sub {
  color: var(--text-dim);
  margin-bottom: 36px;
  font-size: 0.95rem;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover { border-color: var(--accent); transform: translateY(-3px); }

.card-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 8px;
}

.card p { font-size: 0.88rem; color: var(--text-dim); line-height: 1.6; }

.card a.card-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.8rem;
  font-family: 'Share Tech Mono', monospace;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.card a.card-link:hover { color: #fff; }

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}

.btn-primary:hover { background: #fff; color: #000; }

.btn-outline {
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline:hover { background: var(--accent); color: #000; }

.thread-list { list-style: none; }

.thread-item {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

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

.thread-icon {
  width: 36px;
  height: 36px;
  border-radius: 4px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.thread-info h4 { font-size: 0.95rem; color: #fff; margin-bottom: 4px; }
.thread-info p { font-size: 0.82rem; color: var(--text-dim); }
.thread-info a { color: var(--text-dim); }
.thread-info a:hover { color: var(--accent); }

.tag {
  display: inline-block;
  font-size: 0.72rem;
  font-family: 'Share Tech Mono', monospace;
  padding: 2px 8px;
  border-radius: 2px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  margin-right: 4px;
}

.tag.hot { border-color: var(--accent2); color: var(--accent2); }
.tag.new { border-color: var(--green); color: var(--green); }

.page-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.breadcrumb {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--accent); }

.page-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.page-header p {
  color: var(--text-dim);
  font-size: 1rem;
  max-width: 600px;
}

.article-body h2 {
  font-size: 1.4rem;
  color: #fff;
  margin: 36px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.article-body h3 { font-size: 1.1rem; color: var(--accent); margin: 24px 0 10px; }

.article-body p { margin-bottom: 16px; color: var(--text); }

.article-body ul, .article-body ol {
  margin: 12px 0 16px 20px;
  color: var(--text);
}

.article-body li { margin-bottom: 6px; }

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.sidebar { position: sticky; top: 90px; }

.sidebar-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.sidebar-box h4 {
  font-size: 0.82rem;
  font-family: 'Share Tech Mono', monospace;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.sidebar-box ul { list-style: none; }
.sidebar-box li { padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 0.88rem; }
.sidebar-box li:last-child { border-bottom: none; }

.img-block { margin: 28px 0; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.img-block img { width: 100%; object-fit: cover; }
.img-caption { padding: 10px 14px; background: var(--bg-panel); font-size: 0.8rem; color: var(--text-dim); font-style: italic; }

.info-box {
  background: rgba(0,200,255,0.05);
  border: 1px solid rgba(0,200,255,0.2);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.9rem;
}

.warn-box {
  background: rgba(255,107,0,0.05);
  border: 1px solid rgba(255,107,0,0.2);
  border-left: 3px solid var(--accent2);
  border-radius: 4px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.9rem;
}

table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.88rem; }
th { background: var(--bg-panel); color: var(--accent); font-family: 'Share Tech Mono', monospace; padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
td { padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--text); }
tr:hover td { background: rgba(255,255,255,0.02); }

footer {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  padding: 40px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand p { color: var(--text-dim); font-size: 0.88rem; margin-top: 10px; max-width: 280px; }

.footer-col h5 {
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.78rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--text-dim); font-size: 0.88rem; }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.mob-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
  z-index: 99;
  flex-direction: column;
  gap: 4px;
}

.mob-nav a {
  display: block;
  padding: 10px 0;
  color: var(--text);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
}

.mob-nav a:last-child { border-bottom: none; }
.mob-nav a:hover { color: var(--accent); }

.mob-nav.open { display: flex; }

@media (max-width: 900px) {
  nav { display: none; }
  .hamburger { display: flex; }
  .article-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hero { padding: 50px 20px; }
}