/*
Theme Name: Manhtien Child
Template: twentytwentyfive
Version: 2.0.0
*/

/* ===== NEON SIGNAL BASE ===== */
:root {
  --ns-bg: #0a0e14;
  --ns-panel: #0f1520;
  --ns-panel2: #131b29;
  --ns-line: #1e293b;
  --ns-fg: #e6edf3;
  --ns-muted: #7d8590;
  --ns-accent: #22d3ee;
  --ns-accent2: #a78bfa;
  --ns-hot: #f97316;
  --ns-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

body {
  background: var(--ns-bg);
  color: var(--ns-fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ===== HEADER ===== */
.mt-header-wrap {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,14,20,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--ns-line);
}
.mt-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  max-width: 1160px; margin: 0 auto; padding: 13px 24px;
}
.mt-logo { display: flex; align-items: baseline; gap: 8px; text-decoration: none; }
.mt-logo b { font-size: 20px; font-weight: 700; letter-spacing: .5px; color: var(--ns-fg); }
.mt-logo b span { color: var(--ns-accent); }
.mt-logo em {
  font-style: normal; font-size: 11px; color: var(--ns-muted);
  border: 1px solid var(--ns-line); border-radius: 4px; padding: 1px 6px;
  font-family: var(--ns-mono);
}
.mt-nav { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.mt-nav a {
  padding: 6px 12px; border-radius: 8px; font-size: 13.5px; font-weight: 500;
  color: var(--ns-muted); text-decoration: none;
  transition: color .15s, background .15s;
}
.mt-nav a:hover { color: var(--ns-accent); background: rgba(34,211,238,.08); }
.mt-nav a.active { color: var(--ns-fg); background: var(--ns-panel2); }
.mt-live {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--ns-mono); font-size: 11.5px; color: var(--ns-accent); white-space: nowrap;
}
.mt-live::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--ns-accent); animation: ns-pulse 1.6s infinite;
}
@keyframes ns-pulse { 0%,100% { opacity: 1 } 50% { opacity: .25 } }

/* ===== TICKER ===== */
.ns-ticker {
  border-bottom: 1px solid var(--ns-line); background: var(--ns-panel);
  overflow: hidden; white-space: nowrap;
}
.ns-ticker-track {
  display: inline-block; padding: 7px 0;
  animation: ns-slide 36s linear infinite;
}
.ns-ticker:hover .ns-ticker-track { animation-play-state: paused; }
.ns-ticker b {
  color: var(--ns-hot); font-family: var(--ns-mono); font-weight: 600;
  font-size: 12px; margin: 0 8px 0 24px;
}
.ns-ticker a {
  color: var(--ns-muted); font-size: 12.5px; text-decoration: none; margin-right: 36px;
}
.ns-ticker a:hover { color: var(--ns-accent); }
@keyframes ns-slide { from { transform: translateX(0) } to { transform: translateX(-50%) } }

/* ===== LAYOUT ===== */
.ns-wrap { max-width: 1160px; margin: 0 auto; padding: 28px 24px 64px; }
.ns-main-grid {
  display: grid; grid-template-columns: 1fr 300px; gap: 32px;
}
@media (max-width: 960px) { .ns-main-grid { grid-template-columns: 1fr } }

/* ===== HERO ===== */
.ns-hero {
  border: 1px solid var(--ns-line); border-radius: 14px; overflow: hidden;
  background: linear-gradient(135deg, var(--ns-panel2), var(--ns-panel) 60%);
  position: relative; margin-bottom: 10px;
}
.ns-hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(var(--ns-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ns-line) 1px, transparent 1px);
  background-size: 34px 34px; opacity: .35;
}
.ns-hero-in { position: relative; z-index: 1; padding: 28px 30px 26px; }
.ns-kicker {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--ns-mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--ns-accent);
  border: 1px solid rgba(34,211,238,.35); background: rgba(34,211,238,.08);
  padding: 3px 10px; border-radius: 999px; margin-bottom: 14px;
}
.ns-hero h1, .ns-hero h2 {
  font-size: clamp(24px, 3.4vw, 38px); line-height: 1.18; letter-spacing: -.5px;
  font-weight: 700; margin: 0 0 10px;
}
.ns-hero h1 a, .ns-hero h2 a { color: var(--ns-fg); text-decoration: none; }
.ns-hero h1 a:hover, .ns-hero h2 a:hover { color: var(--ns-accent); }
.ns-hero .ns-dek { color: var(--ns-muted); font-size: 14.5px; max-width: 640px; margin: 0 0 16px; }
.ns-meta {
  display: flex; gap: 16px; flex-wrap: wrap;
  font-family: var(--ns-mono); font-size: 11.5px; color: var(--ns-muted);
}
.ns-meta a { color: var(--ns-accent2); text-decoration: none; }

/* ===== FILTER CHIPS ===== */
.ns-chips { display: flex; gap: 8px; margin: 24px 0 18px; flex-wrap: wrap; }
.ns-chips a {
  font-size: 12.5px; padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--ns-line); color: var(--ns-muted);
  text-decoration: none; background: transparent; transition: all .15s;
}
.ns-chips a:hover { border-color: var(--ns-accent); color: var(--ns-accent); }

/* ===== CARD GRID ===== */
.ns-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px;
  list-style: none; margin: 0; padding: 0;
}
.ns-cards li.ns-card, .ns-card {
  border: 1px solid var(--ns-line); border-radius: 12px;
  padding: 18px 20px; background: var(--ns-panel);
  transition: border-color .15s, transform .15s;
}
.ns-card:hover { border-color: rgba(34,211,238,.55); transform: translateY(-2px); }
.ns-card .ns-cat {
  font-family: var(--ns-mono); font-size: 10.5px; text-transform: uppercase;
  letter-spacing: 1.2px; color: var(--ns-accent); margin-bottom: 8px;
}
.ns-card .ns-cat a { color: inherit; text-decoration: none; }
.ns-card h3 {
  font-size: 15.5px; line-height: 1.35; margin: 0 0 8px; font-weight: 600;
}
.ns-card h3 a { color: var(--ns-fg); text-decoration: none; }
.ns-card h3 a:hover { color: var(--ns-accent); }
.ns-card .ns-ex {
  font-size: 13px; color: var(--ns-muted); margin: 0 0 12px; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.ns-card .ns-meta { font-size: 11px; }

/* ===== SIDEBAR ===== */
.ns-box {
  border: 1px solid var(--ns-line); border-radius: 12px;
  background: var(--ns-panel); padding: 18px 20px; margin-bottom: 18px;
}
.ns-box h2 {
  font-size: 12px; font-family: var(--ns-mono); text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--ns-muted); margin: 0 0 14px;
}
.ns-radar { list-style: none; margin: 0; padding: 0; }
.ns-radar li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 9px 0; border-bottom: 1px dashed var(--ns-line); font-size: 13px;
}
.ns-radar li:last-child { border-bottom: none; }
.ns-radar .up { color: #4ade80; font-family: var(--ns-mono); font-size: 11.5px; }
.ns-radar .up.hot { color: var(--ns-hot); }
.ns-sig { font-family: var(--ns-mono); font-size: 11.5px; color: var(--ns-muted); line-height: 1.9; }
.ns-sig .ok { color: #4ade80; }

/* ===== SINGLE POST ===== */
.ns-article { max-width: 760px; margin: 0 auto; }
.ns-article h1 { letter-spacing: -.5px; }
.ns-article .entry-content { font-size: 16px; line-height: 1.75; }
.ns-article .entry-content h2 { margin-top: 1.6em; }
.ns-article .entry-content a { text-decoration-color: rgba(34,211,238,.4); }
.ns-article .entry-content code {
  font-family: var(--ns-mono); font-size: .88em; color: var(--ns-accent);
  background: var(--ns-panel2); padding: 2px 6px; border-radius: 5px;
}
.ns-article .entry-content pre {
  background: var(--ns-panel2); border: 1px solid var(--ns-line);
  border-radius: 10px; padding: 16px; overflow-x: auto;
}
.ns-article .entry-content pre code { background: none; padding: 0; }
.ns-article .entry-content blockquote {
  border-left: 3px solid var(--ns-accent); margin: 1.2em 0; padding: 4px 0 4px 18px;
  color: var(--ns-muted);
}
.ns-article .entry-content table {
  width: 100%; border-collapse: collapse; margin: 1.2em 0;
  font-size: 14px;
}
.ns-article .entry-content table th {
  font-family: var(--ns-mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: 1px; color: var(--ns-accent); text-align: left;
  border-bottom: 1px solid var(--ns-line); padding: 8px 10px;
}
.ns-article .entry-content table td {
  border-bottom: 1px solid var(--ns-line); padding: 8px 10px;
}
.ns-article .entry-content img { border-radius: 10px; }

/* comments + pagination on dark */
.wp-block-post-comments-form input,
.wp-block-post-comments-form textarea,
.wp-block-search__input,
.wp-block-post-comments-form .wp-block-button__link {
  background: var(--ns-panel2) !important; color: var(--ns-fg) !important;
  border: 1px solid var(--ns-line) !important; border-radius: 8px !important;
}
.wp-block-query-pagination {
  font-family: var(--ns-mono); font-size: 13px;
}
.wp-block-query-pagination a { color: var(--ns-accent); text-decoration: none; }
.wp-block-query-pagination .page-numbers.current {
  color: var(--ns-fg); border-bottom: 2px solid var(--ns-accent); padding-bottom: 2px;
}

/* ===== FOOTER ===== */
.mt-footer-wrap {
  border-top: 1px solid var(--ns-line);
  background: var(--ns-panel);
  text-align: center; padding: 26px 24px;
  color: var(--ns-muted); font-size: 12px; font-family: var(--ns-mono);
}
.mt-footer-wrap a { color: var(--ns-accent); text-decoration: none; }

/* ===== MISC ===== */
.ns-more { margin-top: 20px; }
.ns-more a {
  display: inline-block; padding: 9px 22px; border-radius: 999px;
  border: 1px solid var(--ns-line); color: var(--ns-muted);
  font-size: 13px; text-decoration: none; transition: all .15s;
}
.ns-more a:hover { border-color: var(--ns-accent); color: var(--ns-accent); }

::selection { background: rgba(34,211,238,.3); }

@media (max-width: 640px) {
  .ns-wrap { padding: 20px 16px 48px; }
  .ns-hero-in { padding: 22px 18px 20px; }
  .mt-header { padding: 11px 16px; }
}