:root{
  --tt-bg:#05070f;
  --tt-panel:#060914;
  --tt-border: rgba(255,215,0,.18);
  --tt-border-2: rgba(255,215,0,.28);
  --tt-gold:#ffd700;
  --tt-text:#f6f1d1;
  --tt-sub: rgba(246,241,209,.72);
  --tt-sub2: rgba(246,241,209,.58);
  --tt-shadow: 0 20px 60px rgba(0,0,0,.45);
}

.ttkd-wrap{max-width:1120px;margin:0 auto;padding:16px}
.ttkd-hero{
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(255,215,0,.12), transparent 55%),
    radial-gradient(900px 500px at 110% 0%, rgba(255,215,0,.10), transparent 45%),
    var(--tt-bg);
  border:1px solid var(--tt-border);
  border-radius:18px;
  box-shadow: var(--tt-shadow);
  padding:18px;
  color:var(--tt-text);
}
.ttkd-hero h1{margin:0 0 6px;font-size:26px;letter-spacing:.2px}
.ttkd-hero p{margin:0;color:var(--tt-sub);font-size:13px;line-height:1.7}
.ttkd-bc{margin-top:10px;font-size:13px;color:var(--tt-sub2)}
.ttkd-bc a{color:var(--tt-gold);text-decoration:none}
.ttkd-bc .sep{opacity:.6;margin:0 8px}
.ttkd-card{margin-top:12px;background: var(--tt-panel);border:1px solid var(--tt-border);border-radius:18px;padding:16px;color:var(--tt-text)}
.ttkd-card h2{margin:0 0 10px;font-size:16px;color:var(--tt-gold)}
.ttkd-sub{margin:0 0 10px;color:var(--tt-sub);font-size:13px;line-height:1.7}
.ttkd-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:12px}
@media (max-width: 980px){ .ttkd-grid{grid-template-columns:repeat(2, 1fr)} }
@media (max-width: 560px){ .ttkd-grid{grid-template-columns:1fr} }
.ttkd-item{
  background:#060914;border:1px solid var(--tt-border);
  border-radius:16px;padding:14px;min-height:92px;
  display:flex;flex-direction:column;gap:6px;
}
.ttkd-item a{color:var(--tt-text);text-decoration:none;font-weight:900}
.ttkd-item a:hover{color:var(--tt-gold)}
.ttkd-item .meta{font-size:12px;color:var(--tt-sub2);display:flex;gap:8px;flex-wrap:wrap}
.ttkd-pill{border:1px solid rgba(255,215,0,.22);border-radius:999px;padding:3px 8px;background:rgba(255,215,0,.06);font-size:12px;color:var(--tt-text)}
.ttkd-post{
  display:grid;grid-template-columns:1fr 320px;gap:12px;margin-top:12px;
}
@media (max-width: 980px){ .ttkd-post{grid-template-columns:1fr} }
.ttkd-content{background:var(--tt-panel);border:1px solid var(--tt-border);border-radius:18px;padding:16px}
.ttkd-content .entry-content{color:var(--tt-text)}
.ttkd-content .entry-content h2, .ttkd-content .entry-content h3{color:var(--tt-gold)}
.ttkd-aside{background:var(--tt-panel);border:1px solid var(--tt-border);border-radius:18px;padding:16px;height:fit-content}
.ttkd-aside h3{margin:0 0 10px;color:var(--tt-gold);font-size:15px}
.ttkd-links{display:flex;flex-direction:column;gap:10px}
.ttkd-link{
  display:flex;justify-content:space-between;gap:10px;align-items:center;
  padding:10px 12px;border-radius:14px;
  border:1px solid rgba(255,215,0,.22);background:rgba(255,215,0,.06);
  text-decoration:none;color:var(--tt-text);font-weight:800;font-size:13px;
}
.ttkd-link:hover{border-color:rgba(255,215,0,.35);color:var(--tt-gold)}
.ttkd-footer-note{margin-top:12px;color:var(--tt-sub2);font-size:12px;line-height:1.6}



/* =====================================================
 * TTIS Hexagram UX (single)
 * ===================================================== */
.ttis-wrap{background:var(--tt-bg);color:var(--tt-text);padding:18px 0}
.ttis-hero{margin:8px 0 14px}
.ttis-han{font-weight:600;color:var(--tt-gold);opacity:.9}
.ttis-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.ttis-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;border:1px solid var(--tt-border);background:rgba(255,255,255,.03);font-size:13px}
.ttis-chip--gold{border-color:rgba(201,160,62,.55);background:rgba(201,160,62,.10)}
.ttis-muted{color:var(--tt-sub)}
.ttis-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:14px}
@media(max-width:980px){.ttis-grid{grid-template-columns:1fr}}
.ttis-card{background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));border:1px solid var(--tt-border);border-radius:16px;padding:14px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.ttis-card__hd{margin-bottom:10px}
.ttis-h2{margin:0 0 6px;font-size:18px;color:var(--tt-gold)}
.ttis-h3{margin:0 0 8px;font-size:15px;color:var(--tt-gold)}
.ttis-gua-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:start}
@media(max-width:720px){.ttis-gua-row{grid-template-columns:1fr}}
.ttis-gua__label{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.ttis-gua__lines{display:flex;flex-direction:column;gap:8px}
.ttis-line{position:relative;cursor:pointer;padding:6px 0;border-radius:10px;outline:1px solid transparent;transition:.15s}
.ttis-line:hover{outline-color:rgba(201,160,62,.25);background:rgba(255,255,255,.02)}
.ttis-line__bar{display:block;height:10px;border-radius:999px;background:rgba(255,255,255,.12);margin:0 10px}
.ttis-line.is-yang .ttis-line__bar{background:rgba(201,160,62,.65)}
.ttis-line.is-yin .ttis-line__bar{background:linear-gradient(90deg, rgba(201,160,62,.55) 0 45%, rgba(0,0,0,0) 45% 55%, rgba(201,160,62,.55) 55% 100%)}
.ttis-line__dot{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:999px;background:rgba(201,160,62,.95);box-shadow:0 0 0 3px rgba(201,160,62,.18)}
.ttis-line.is-moving{outline-color:rgba(201,160,62,.55);background:rgba(201,160,62,.06)}
.ttis-ml{margin-top:10px;border-top:1px dashed rgba(255,255,255,.08);padding-top:10px}
.ttis-ml__controls{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.ttis-hao-btn{cursor:pointer;border:1px solid var(--tt-border);background:rgba(255,255,255,.02);color:var(--tt-text);padding:8px 10px;border-radius:12px;font-size:13px}
.ttis-hao-btn.is-on{border-color:rgba(201,160,62,.65);background:rgba(201,160,62,.10)}
.ttis-ml__actions{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.ttis-btn{cursor:pointer;border:1px solid rgba(201,160,62,.55);background:rgba(201,160,62,.12);color:var(--tt-text);padding:8px 12px;border-radius:12px}
.ttis-btn--ghost{border-color:rgba(255,255,255,.12);background:rgba(255,255,255,.02)}
.ttis-note{margin:10px 0 0}
.ttis-table{display:grid;gap:10px}
.ttis-row{display:grid;grid-template-columns:150px 1fr;gap:10px;padding:10px;border:1px solid rgba(255,255,255,.08);border-radius:14px;background:rgba(0,0,0,.18)}
@media(max-width:520px){.ttis-row{grid-template-columns:1fr}}
.ttis-k{color:var(--tt-sub);font-size:13px}
.ttis-v a{color:var(--tt-gold);text-decoration:none}
.ttis-box{margin-top:12px;border:1px solid rgba(255,255,255,.08);border-radius:14px;background:rgba(0,0,0,.18);padding:10px}
.ttis-box__title{font-weight:700;color:var(--tt-gold);margin:0 0 6px}
.ttis-rel{margin:0;padding-left:18px}
.ttis-acc{display:grid;gap:10px}
.ttis-acc__item{border:1px solid rgba(255,255,255,.10);border-radius:14px;background:rgba(0,0,0,.18);overflow:hidden}
.ttis-acc__sum{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px}
.ttis-acc__sum::-webkit-details-marker{display:none}
.ttis-acc__title{font-weight:700}
.ttis-acc__body{padding:10px 12px;border-top:1px dashed rgba(255,255,255,.08)}
.ttis-two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:820px){.ttis-two{grid-template-columns:1fr}}
.ttis-mini-title{font-weight:700;color:var(--tt-gold);margin-bottom:6px}
.ttis-ul{margin:0;padding-left:18px}
.ttis-more summary{cursor:pointer;color:var(--tt-gold);margin-top:6px}
.ttis-more__body{margin-top:8px}
.ttis-cols{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:980px){.ttis-cols{grid-template-columns:1fr}}
.ttis-content p{margin:0 0 10px}

/* =====================================
 * Thiên Thư – Breadcrumb (SEO)
 * ===================================== */
.ttkd-shell{max-width:1180px;margin:0 auto;padding:18px 12px}
.tt-bc{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 14px;font-size:14px;line-height:1.4;color:var(--tt-sub)}
.tt-bc .sep{color:rgba(255,255,255,.28)}
.tt-bc a{color:var(--tt-gold);text-decoration:none}
.tt-bc a:hover{text-decoration:underline}
.tt-bc strong{color:var(--tt-text);font-weight:700}

/* Strong dark theme lock */
.ttis-wrap{background:var(--tt-bg)!important;color:var(--tt-text)!important}
.ttis-wrap a{color:var(--tt-gold)}
.ttis-wrap a:hover{opacity:.95}

/* Headline like Bát Tự */
.ttkd-title{margin:0 0 8px;font-size:28px;line-height:1.2;color:var(--tt-text)}
@media (max-width:640px){.ttkd-title{font-size:22px}}