/* Loạt bài Duyên khởi – nạp sau ../lesson.css (màu, header), ../quiz.css (tab, bài tập), ../phan-xa.css (trò chơi). */

/* thanh bài học: cuộn ngang trên điện thoại */
.dk-strip{display:flex;gap:6px;overflow-x:auto;padding:8px 12px 6px;scroll-snap-type:x proximity;scrollbar-width:thin}
.dk-strip button{flex:0 0 auto;scroll-snap-align:center;display:flex;flex-direction:column;align-items:flex-start;gap:0;min-width:96px;padding:6px 12px;border-radius:12px;border:1.5px solid var(--navy);background:transparent;color:var(--navy);font:inherit;font-size:.82rem;cursor:pointer;text-align:left}
.dk-strip button b{font-size:.78rem}
.dk-strip button span{font-weight:600;white-space:nowrap}
.dk-strip button.on{background:var(--navy);color:var(--bg)}
.dk-strip button:disabled{opacity:.42;cursor:default;border-style:dashed}
.dk-title{max-width:1200px;margin:6px auto 2px;color:var(--navy);font-size:1.25rem;text-align:center;text-wrap:balance}

/* bài đọc */
.dk-body{max-width:1200px;margin:0 auto;font-size:1.02rem;line-height:1.65}
.dk-body p{margin:8px 0}
.dk-lead{background:color-mix(in srgb,var(--navy) 7%,var(--card));border:1px solid var(--line);border-radius:14px;padding:12px 16px;font-size:1.05rem}
.dk-sec{margin:22px 0 0;scroll-margin-top:12px}
.dk-sec h2{display:flex;align-items:center;gap:10px;margin:0 0 6px;color:var(--navy);font-size:1.2rem;text-wrap:balance}
.dk-sec h2 span{flex:0 0 auto;display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--navy);color:var(--bg);font-size:.85rem}
.dk-body .pali,.dk-info .pali{font-style:italic;color:var(--navy)}
.dk-body .han,.dk-info .han,.rx-name.han{font-family:"Noto Serif TC","Microsoft JhengHei","PMingLiU",serif}
.rx-name.pali{font-style:italic}
.dk-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:10px 0}
@media (max-width:560px){.dk-pair{grid-template-columns:1fr}}
.dk-pair>div{display:flex;flex-direction:column;gap:2px;padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:var(--card)}
.dk-pair span{color:var(--muted);font-size:.92rem}
.dk-chain{display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px;margin:10px 0;padding:10px 12px;border-radius:12px;background:color-mix(in srgb,var(--tuc) 8%,var(--card));font-size:.92rem}
.dk-chain span{padding:2px 9px;border-radius:999px;border:1px solid color-mix(in srgb,var(--tuc) 45%,var(--line));background:var(--card);font-weight:600}
.dk-chain i{color:var(--muted);font-size:.8rem}
.dk-quote{margin:10px 0;padding:10px 14px;border-left:4px solid var(--vovi);border-radius:10px;background:color-mix(in srgb,var(--vovi) 9%,var(--card))}
.dk-quote .pali{display:block;margin-bottom:4px}
.dk-quote cite{display:block;margin-top:4px;color:var(--muted);font-size:.85rem;font-style:normal}
.dk-tabs2{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 6px}
.dk-tabs2 button,.dk-seg2 button,.dk-play button{font:inherit;font-size:.88rem;font-weight:700;padding:6px 12px;border-radius:999px;border:1.5px solid var(--navy);background:transparent;color:var(--navy);cursor:pointer;touch-action:manipulation}
.dk-tabs2 button.on,.dk-seg2 button.on,.dk-play button.on{background:var(--navy);color:var(--bg)}
.dk-formula{margin:6px 0;padding-left:1.6em;display:grid;gap:6px}
.dk-formula li{padding:4px 0 4px 4px;border-bottom:1px dashed var(--line)}
.dk-formula li span{display:block}
.dk-formula li .pali{font-size:.95rem}
.dk-formula li.end{list-style:none;margin-left:-1.6em;padding-left:0;border-bottom:0;font-weight:700}
.dk-note{padding:8px 12px;border-radius:10px;background:color-mix(in srgb,var(--muted) 10%,var(--card));font-size:.93rem}
.dk-tblwrap{overflow-x:auto;margin:8px 0;border:1px solid var(--line);border-radius:12px;background:var(--card)}
.dk-tbl{border-collapse:collapse;width:100%;min-width:560px;font-size:.92rem}
.dk-tbl th,.dk-tbl td{padding:7px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.dk-tbl th{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.03em}
.dk-tbl tr[data-chi]{cursor:pointer}
.dk-tbl tr[data-chi]:hover,.dk-tbl tr[data-chi]:focus-visible{background:color-mix(in srgb,var(--navy) 7%,var(--card));outline:none}
.dk-tbl td:first-child{font-variant-numeric:tabular-nums;color:var(--muted)}
.dk-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--c);margin-right:6px}
.dk-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px;margin:12px 0}
.dk-card{padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:var(--card)}
.dk-card h3{margin:0 0 4px;font-size:1rem;color:var(--navy)}
.dk-card h3 .pali{font-weight:400;font-size:.85rem;color:var(--muted)}
.dk-card p{margin:0;font-size:.93rem}
.dk-road{margin:6px 0;padding-left:0;list-style:none;display:grid;gap:4px}
.dk-road li{padding:6px 12px;border-radius:10px;border:1px dashed var(--line);color:var(--muted)}
.dk-road li.co{border-style:solid;border-color:var(--navy);color:var(--ink)}
.dk-road li small{color:var(--muted)}

/* bánh xe 12 chi */
.dk-wheel{margin:10px 0;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
.dk-wctl{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}
.dk-seg2,.dk-play{display:flex;flex-wrap:wrap;gap:6px}
.dk-wbody{display:grid;gap:10px}
@media (min-width:900px){.dk-wbody{grid-template-columns:minmax(0,480px) minmax(0,1fr);gap:22px;align-items:start}.dk-wr{padding-top:14px}.dk-wr .dk-legend{justify-content:flex-start}.dk-wr .dk-vnote{text-align:left}}
.dk-ph{margin:0;color:var(--muted);font-size:.92rem}
.dk-svg{display:block;width:100%;max-width:470px;margin:6px auto 0;overflow:visible}
.dk-segc{cursor:pointer;outline:none}
.dk-segc path{fill:var(--c);fill-opacity:.32;stroke:var(--c);stroke-width:1.5;transition:fill-opacity .35s,stroke-opacity .35s}
.dk-segc:hover path,.dk-segc:focus-visible path{fill-opacity:.34}
.dk-segc.sel path{fill-opacity:.5;stroke-width:3.5}
.dk-segc.lit path{fill-opacity:.62;stroke-width:3}
.dk-segc.dim path{fill-opacity:.04;stroke-opacity:.3}
.dk-segc.dim text{opacity:.35}
.dk-segc path.in{stroke:none;fill-opacity:.42}
.dk-svg:not(.v-vong) .dk-segc path.in{fill-opacity:0}
.dk-segc text{text-anchor:middle;fill:var(--ink);pointer-events:none;font-family:"Segoe UI",system-ui,sans-serif}
.dk-segc .num{font-size:11px;fill:var(--muted);font-weight:700}
.dk-segc .nm{font-size:13.5px;font-weight:800}
.dk-segc .star{font-size:13px;fill:var(--vovi)}
.dk-arrow{fill:none;stroke:var(--muted);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;opacity:.6}
.dk-noi{stroke:var(--muted);stroke-width:1.4;stroke-dasharray:3 3}
.dk-noi.hot{stroke:var(--tam);stroke-width:2.2}
.dk-noik circle{fill:var(--card);stroke:var(--muted);stroke-width:1.5}
.dk-noik text{text-anchor:middle;font:800 12px "Segoe UI",system-ui,sans-serif;fill:var(--muted)}
.dk-noik.hot circle{fill:var(--tam);stroke:var(--tam)}
.dk-noik.hot text{fill:#fff}
.dk-hub{fill:color-mix(in srgb,var(--navy) 6%,var(--card));stroke:var(--line)}
.dk-svg .h1,.dk-svg .h2,.dk-svg .h3,.dk-svg .h4{text-anchor:middle;font-family:"Segoe UI",system-ui,sans-serif}
.dk-svg .h1{font-size:12px;fill:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.dk-svg .h2{font-size:23px;font-weight:800;fill:var(--navy)}
.dk-svg .h3{font-size:14px;font-style:italic;fill:var(--ink)}
.dk-svg .h4{font-size:19px;fill:var(--ink);font-family:"Noto Serif TC","Microsoft JhengHei","PMingLiU",serif}
.dk-cap{min-height:1.6em;margin:2px 0 6px;text-align:center;font-size:1rem}
.dk-legend{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 14px;font-size:.88rem}
.dk-legend span{display:inline-flex;align-items:center;gap:6px}
.dk-legend i{width:12px;height:12px;border-radius:3px;background:var(--c);opacity:.8}
.dk-vnote{margin:8px 0 0;font-size:.9rem;color:var(--muted);text-align:center}
.dk-info:not(:empty){margin-top:10px;padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:color-mix(in srgb,var(--navy) 5%,var(--card))}
.dk-ih{font-size:1.02rem}
.dk-tags{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.dk-tags span{font-size:.8rem;font-weight:700;padding:1px 10px;border-radius:999px;border:1.5px solid var(--c);color:var(--ink);background:color-mix(in srgb,var(--c) 12%,var(--card))}
.dk-info p{margin:4px 0;font-size:.95rem}
.dk-cd{color:var(--muted)}
@media (prefers-reduced-motion:reduce){.dk-segc path{transition:none}}
.credit .warn{display:block;margin-top:4px;color:#b36b00}

/* bánh xe: vành vàng có hạt, ô có độ bóng, chi đang chọn nhô ra, vòng mũi tên chạy khi phát, dải tên nhóm uốn theo vành */
.dk-rim{fill:none;stroke:url(#dkGold);stroke-width:8}
.dk-rim-in{fill:none;stroke:#9c7414;stroke-width:.8;opacity:.45}
.dk-bead{fill:#fff4d0;stroke:#9c7414;stroke-width:.6}
.dk-segc{transition:transform .25s ease,filter .25s ease}
.dk-segc path.gl{fill:url(#dkGloss);stroke:none;pointer-events:none}
.dk-segc.sel{filter:drop-shadow(0 5px 7px rgba(0,0,0,.28))}
.dk-flow{fill:none;stroke:#d4a437;stroke-width:1.6;stroke-dasharray:3 9;opacity:.5}
.dk-flowhead{fill:#d4a437;opacity:.65}
.dk-svg.playing .dk-flow{animation:dkFlow 1.1s linear infinite;opacity:.95}
@keyframes dkFlow{to{stroke-dashoffset:-12}}
.dk-noik circle{fill:url(#dkGold);stroke:#7a5a0e;stroke-width:1.2}
.dk-noik text{fill:#3a2a00}
.dk-noik.hot circle{fill:var(--tam);stroke:#7a1f16}
.dk-hub{fill:url(#dkHub);stroke:#d4a437;stroke-width:2}
.dk-lotus ellipse{fill:#d4a437;opacity:.1}
.dk-bandg .arc{fill:none;stroke:var(--c);stroke-width:17;stroke-linecap:round;opacity:.2}
.dk-bandg .lbl{font:800 12.5px "Segoe UI",system-ui,sans-serif;letter-spacing:.16em;text-anchor:middle;fill:color-mix(in srgb,var(--c) 72%,var(--ink))}
@media (prefers-reduced-motion:reduce){.dk-segc{transition:none}.dk-svg.playing .dk-flow{animation:none}}

/* Bài 1: 8 chỗ không biết, sơ đồ 29 hành, các cách làm duyên */
.dk-8{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:10px 0 4px}
@media (max-width:700px){.dk-8{grid-template-columns:repeat(2,minmax(0,1fr))}}
.dk-8>div{display:flex;flex-direction:column;gap:2px;padding:9px 11px;border-radius:12px;border:1.5px solid var(--c);background:color-mix(in srgb,var(--c) 10%,var(--card))}
.dk-8 .kinh{--c:var(--tuc)}.dk-8 .vdp{--c:var(--sac)}
.dk-8 b{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--c);color:#fff;font-size:.75rem}
.dk-8 span{font-weight:700;line-height:1.3}
.dk-8 i{font-size:.8rem;color:var(--muted)}
.dk-legend2{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.85rem;color:var(--muted);margin:2px 0 10px}
.dk-legend2 span::before{content:"";display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.dk-legend2 .kinh::before{background:var(--tuc)}.dk-legend2 .vdp::before{background:var(--sac)}
.dk-cd2{border-left:4px solid var(--tam)}
.dk-cd2 a{color:var(--navy);font-weight:700}
.dk-hanh{margin:10px 0;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
.dk-hgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:10px 0 6px}
@media (max-width:760px){.dk-hgrid{grid-template-columns:1fr}}
.dk-hcol{padding:10px 12px;border-radius:12px;border:1.5px solid var(--c);background:color-mix(in srgb,var(--c) 8%,var(--card))}
.dk-hhead{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 8px;margin-bottom:6px}
.dk-hhead b{color:color-mix(in srgb,var(--c) 75%,var(--ink))}
.dk-hhead .pali{font-size:.8rem}
.dk-so{margin-left:auto;font-weight:800;font-size:.85rem;padding:0 9px;border-radius:999px;background:var(--c);color:#fff;white-space:nowrap}
.dk-hrow{display:flex;align-items:center;gap:10px;padding:4px 0;transition:opacity .25s}
.dk-hrow.off{opacity:.22}
.dk-hrow span{font-size:.93rem}
.dk-dots{display:flex;flex-wrap:wrap;gap:3px;width:92px;flex:0 0 auto}
.dk-dots i{width:9px;height:9px;border-radius:3px;background:var(--c)}
.dk-hnote{margin:4px 0 0;font-size:.93rem}
.dk-cach .dk-card{border-top:4px solid var(--c)}
.dk-cach h3{display:flex;align-items:center;gap:8px}
.dk-cach ul{margin:4px 0 6px;padding-left:1.2em;font-size:.92rem}
.dk-tbl2{min-width:0}.dk-tbl2 td{white-space:normal}

/* bản đồ tư duy: gốc ở giữa (trái trên màn rộng), 4 nhánh, mỗi ý bấm được để nhảy tới mục */
.dk-mm{display:grid;grid-template-columns:minmax(150px,220px) minmax(0,1fr);gap:0 26px;align-items:center;margin:12px 0;padding:14px;border:1px solid var(--line);border-radius:18px;background:radial-gradient(circle at 12% 50%,color-mix(in srgb,#d4a437 12%,var(--card)),var(--card) 60%)}
@media (max-width:760px){.dk-mm{grid-template-columns:1fr;gap:12px}}
.dk-mm-root{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:16px 12px;border-radius:50%/40%;aspect-ratio:1.25;justify-content:center;text-align:center;background:var(--navy);color:var(--bg);box-shadow:0 0 0 5px color-mix(in srgb,#d4a437 55%,transparent),0 8px 22px #0003}
.dk-mm-root b{font-size:1.15rem;line-height:1.25}
.dk-mm-root i{font-size:.85rem;opacity:.85}
@media (max-width:760px){.dk-mm-root{aspect-ratio:auto;border-radius:16px}}
.dk-mm-br{display:grid;gap:10px;position:relative}
.dk-mm-b{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:8px 10px;border-radius:14px;border:1.5px solid var(--c);background:color-mix(in srgb,var(--c) 7%,var(--card))}
@media (min-width:761px){.dk-mm-b::before{content:"";position:absolute;left:-27px;top:50%;width:26px;border-top:2px solid var(--c)}.dk-mm-br::before{content:"";position:absolute;left:-27px;top:22px;bottom:22px;border-left:2px solid color-mix(in srgb,var(--navy) 35%,transparent)}}
.dk-mm-b>b{flex:0 0 auto;padding:3px 10px;border-radius:999px;background:var(--c);color:#fff;font-size:.88rem}
.dk-mm-b a{font-size:.88rem;padding:3px 9px;border-radius:999px;border:1px solid color-mix(in srgb,var(--c) 45%,var(--line));background:var(--card);color:var(--ink);text-decoration:none;cursor:pointer}
.dk-mm-b a:hover,.dk-mm-b a:focus-visible{border-color:var(--c);outline:none;background:color-mix(in srgb,var(--c) 14%,var(--card))}

/* dòng chảy: không thấy đế nào → thấy sai → tạo nghiệp */
.dk-flowrows{display:grid;gap:8px;margin:10px 0}
.dk-fr{display:grid;grid-template-columns:minmax(110px,170px) 26px minmax(0,1fr) 26px minmax(110px,190px);align-items:stretch;gap:0}
@media (max-width:700px){.dk-fr{grid-template-columns:1fr;gap:4px}.dk-fr .ar{transform:rotate(90deg);height:18px}}
.dk-fr>div{padding:8px 11px;border-radius:12px;font-size:.93rem;display:flex;align-items:center}
.dk-fr .de{background:var(--tuc);color:#fff;font-weight:800}
.dk-fr .thay{background:color-mix(in srgb,var(--tam) 10%,var(--card));border:1px dashed color-mix(in srgb,var(--tam) 45%,var(--line))}
.dk-fr .nghiep{background:color-mix(in srgb,var(--vovi) 14%,var(--card));border:1px solid color-mix(in srgb,var(--vovi) 50%,var(--line));font-weight:600}
.dk-fr .ar{display:grid;place-items:center;color:var(--muted);font-weight:800;padding:0;background:none}

/* tranh minh họa (ChatGPT) – thiếu ảnh thì ẩn cả khung */
.dk-fig{margin:12px 0;display:grid;grid-template-columns:minmax(0,520px) minmax(0,1fr);gap:16px;align-items:center}
@media (max-width:760px){.dk-fig{grid-template-columns:1fr}}
.dk-fig img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:16px;box-shadow:0 6px 18px #0003}
.dk-fig figcaption{font-size:.95rem}
.dk-fig figcaption b{color:var(--navy)}

/* Bài 2 trở đi: thẻ có biểu tượng, hai cực – đường giữa, chuỗi bước (diễn tiến), sơ đồ 32 tâm quả */
.dk-ico .dk-card{border-top:4px solid var(--c,var(--navy))}
.dk-ico h3{display:flex;align-items:center;gap:8px}
.dk-ico h3 .e{font-size:1.35rem;line-height:1}
.dk-sai .dk-card{background:color-mix(in srgb,var(--tam) 5%,var(--card))}
.dk-push{border-left:4px solid var(--vovi);margin:10px 0}
.dk-mid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr) minmax(0,1fr);gap:8px;margin:12px 0;align-items:stretch}
@media (max-width:700px){.dk-mid{grid-template-columns:1fr}}
.dk-mid>div{display:flex;flex-direction:column;gap:2px;padding:10px 13px;border-radius:12px;font-size:.93rem}
.dk-mid .x{border:1.5px dashed color-mix(in srgb,var(--tam) 55%,var(--line));background:color-mix(in srgb,var(--tam) 6%,var(--card))}
.dk-mid .x b{color:color-mix(in srgb,var(--tam) 80%,var(--ink))}
.dk-mid .m{border:2px solid #d4a437;background:color-mix(in srgb,#d4a437 13%,var(--card));text-align:center;justify-content:center}
.dk-mid .m b{color:var(--navy);font-size:1.02rem}
.dk-steps{margin:10px 0;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
.dk-st-row{display:flex;flex-wrap:wrap;align-items:stretch;gap:6px}
.dk-st{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:1px;min-width:108px;flex:1 1 108px;padding:8px 10px;border-radius:12px;border:1.5px solid color-mix(in srgb,var(--navy) 35%,var(--line));background:color-mix(in srgb,var(--navy) 5%,var(--card));color:var(--ink);font:inherit;font-size:.86rem;text-align:left;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.dk-st b{font-size:.9rem;line-height:1.25}
.dk-st i{font-size:.76rem;color:var(--muted)}
.dk-st.qua{border-color:color-mix(in srgb,var(--sohuu) 60%,var(--line));background:color-mix(in srgb,var(--sohuu) 9%,var(--card))}
.dk-st.nhan{border-color:color-mix(in srgb,var(--vovi) 60%,var(--line));background:color-mix(in srgb,var(--vovi) 9%,var(--card))}
.dk-st.pn{border-color:color-mix(in srgb,var(--tam) 60%,var(--line));background:color-mix(in srgb,var(--tam) 8%,var(--card))}
.dk-st.on{transform:translateY(-3px);box-shadow:0 0 0 3px #d4a437,0 6px 14px #0002;background:color-mix(in srgb,#d4a437 18%,var(--card))}
.dk-st-cut{flex:0 0 auto;display:flex;align-items:center;padding:0 2px}
.dk-st-cut span{writing-mode:vertical-rl;transform:rotate(180deg);font-size:.72rem;font-weight:800;color:var(--tam);border-left:3px double var(--tam);padding:4px 3px;letter-spacing:.04em}
@media (max-width:700px){.dk-st-cut{flex-basis:100%}.dk-st-cut span{writing-mode:horizontal-tb;transform:none;border-left:0;border-top:3px double var(--tam);width:100%;text-align:center;padding:4px 0 0}}
.dk-st-bar{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;margin-top:10px}
.dk-st-play{font:inherit;font-size:.88rem;font-weight:700;padding:6px 12px;border-radius:999px;border:1.5px solid var(--navy);background:var(--navy);color:var(--bg);cursor:pointer}
.dk-st-cap{flex:1 1 260px;margin:0!important;min-height:2.6em;font-size:.95rem}
.dk-ts{display:inline-block;margin-left:4px;padding:0 7px;border-radius:999px;background:#d4a437;color:#3a2a00;font-size:.7rem;font-weight:800;vertical-align:1px}
.dk-qmap{margin:10px 0;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
.dk-qmap .dk-hrow{align-items:flex-start}
.dk-qmap .dk-hrow small{color:var(--muted);font-size:.8rem}
.dk-qmap .dk-dots{width:56px;padding-top:6px}

/* Bài 3: lúc thọ thai ba thứ cùng sanh; thẻ nhỏ */
.dk-mini .dk-card{padding:8px 12px}
.dk-mini h3{font-size:.95rem}
.dk-conc{display:grid;grid-template-columns:minmax(0,1fr) 34px minmax(0,1.6fr);align-items:center;gap:6px;margin:12px 0 4px;padding:12px;border:1px solid var(--line);border-radius:16px;background:radial-gradient(circle at 15% 50%,color-mix(in srgb,#d4a437 12%,var(--card)),var(--card) 65%)}
@media (max-width:700px){.dk-conc{grid-template-columns:1fr}.dk-conc .ar{flex-direction:row;justify-content:center;transform:rotate(90deg);height:26px}}
.dk-conc .cc{display:grid;gap:8px}
.dk-conc .c{display:flex;flex-direction:column;gap:2px;padding:10px 13px;border-radius:12px;border:1.5px solid var(--c);background:color-mix(in srgb,var(--c) 9%,var(--card))}
.dk-conc .c i{font-style:normal;font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:color-mix(in srgb,var(--c) 75%,var(--ink))}
.dk-conc .c span{font-size:.9rem}
.dk-conc .thuc{--c:var(--sohuu);box-shadow:0 0 0 4px color-mix(in srgb,#d4a437 40%,transparent)}
.dk-conc .danh{--c:var(--sac)}.dk-conc .sac{--c:var(--vovi)}
.dk-conc u{text-decoration:none;padding:0 6px;border-radius:999px;background:color-mix(in srgb,var(--vovi) 16%,var(--card));white-space:nowrap}
.dk-conc u.hot{background:#d4a437;color:#3a2a00;font-weight:700}
.dk-conc .ar{display:flex;flex-direction:column;align-items:center;gap:30px;color:var(--muted);font-weight:800;font-size:1.3rem}
.dk-conc-n{font-size:.93rem}

/* Bài 4: sơ đồ yếu tố làm duyên → sáu căn */
.dk-dmap{display:grid;grid-template-columns:minmax(0,1fr) 36px minmax(0,1fr);gap:8px;align-items:center;margin:10px 0;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
@media (max-width:640px){.dk-dmap{grid-template-columns:1fr}.dk-darr{transform:rotate(90deg)}}
.dk-dl,.dk-dr{display:grid;gap:6px}
.dk-dl button{font:inherit;font-size:.92rem;font-weight:700;text-align:left;padding:8px 12px;border-radius:12px;border:1.5px solid var(--c);background:color-mix(in srgb,var(--c) 7%,var(--card));color:var(--ink);cursor:pointer}
.dk-dl button.on{background:var(--c);color:#fff;box-shadow:0 4px 12px #0002}
.dk-darr{text-align:center;font-size:1.6rem;font-weight:800;color:var(--muted)}
.dk-dr span{padding:8px 12px;border-radius:12px;border:1.5px dashed var(--line);color:var(--muted);font-weight:700;transition:all .25s}
.dk-dr span.y{border-style:dotted}
.dk-dr span.on{border:1.5px solid var(--c);background:color-mix(in srgb,var(--c) 16%,var(--card));color:var(--ink);transform:translateX(4px)}
.dk-dcap{grid-column:1/-1;margin:4px 0 0!important;font-size:.95rem}

/* Bài 5: tam giác căn – cảnh – thức, xúc ở giữa */
.dk-tri{margin:10px 0;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--card);text-align:center}
.dk-tri .dk-seg2{justify-content:center}
.dk-tri svg{display:block;width:100%;max-width:440px;margin:8px auto 0;overflow:visible}
.dk-tri .tri{fill:color-mix(in srgb,var(--sac) 6%,transparent);stroke:var(--sac);stroke-width:2;stroke-dasharray:6 5}
.dk-tri .xuc{fill:color-mix(in srgb,#d4a437 30%,var(--card));stroke:#d4a437;stroke-width:3}
.dk-tri .xt{font:800 17px "Segoe UI",system-ui,sans-serif;fill:var(--navy);text-anchor:middle;letter-spacing:.1em}
.dk-tri .xs{font:700 12.5px "Segoe UI",system-ui,sans-serif;fill:var(--ink);text-anchor:middle}
.dk-tri .nd rect{fill:var(--card);stroke:var(--navy);stroke-width:1.6}
.dk-tri .nd text{font:700 13px "Segoe UI",system-ui,sans-serif;fill:var(--ink);text-anchor:middle}
.dk-tri-n{margin:6px 0 0!important;font-size:.95rem}

/* Bài 6: bảng 18 thọ, vòng ba luân */
.dk-t18{min-width:520px}
.dk-t18 td{white-space:normal}
.dk-t18 th.lac,.dk-t18 td.lac{background:color-mix(in srgb,var(--sohuu) 9%,var(--card))}
.dk-t18 th.kho,.dk-t18 td.kho{background:color-mix(in srgb,var(--tam) 8%,var(--card))}
.dk-t18 th.xa,.dk-t18 td.xa{background:color-mix(in srgb,var(--muted) 9%,var(--card))}
.dk-t18 td:first-child{color:var(--ink)}
.dk-cyc{display:block;width:100%;max-width:380px;margin:8px auto;overflow:visible}
.dk-cyc .a{fill:none;stroke:#d4a437;stroke-width:3;marker-end:url(#dkCycA)}
.dk-cyc .a.gap{stroke-dasharray:7 6;stroke:var(--tam)}
.dk-cyc marker path{fill:#d4a437}
.dk-cyc .n circle{fill:color-mix(in srgb,var(--c) 14%,var(--card));stroke:var(--c);stroke-width:2.5}
.dk-cyc .pn{--c:var(--tam)}.dk-cyc .ng{--c:var(--vovi)}.dk-cyc .qu{--c:var(--sohuu)}
.dk-cyc text{text-anchor:middle;font:800 13px "Segoe UI",system-ui,sans-serif;fill:var(--ink)}
.dk-cyc text.s{font-weight:600;font-size:9.5px;fill:var(--muted)}
.dk-cyc text.g{text-anchor:start;font-size:11px;fill:var(--tam)}

/* Bài 7: ghép 108 ái, ngã rẽ sau thọ */
.dk-ai108{margin:10px 0;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
.dk-aig{display:flex;flex-wrap:wrap;align-items:flex-start;gap:8px}
.dk-aig .x{align-self:center}
.dk-aig .col{display:flex;flex-direction:column;gap:5px;flex:1 1 120px}
.dk-aig .col>b{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.dk-aig .x{font-size:1.4rem;font-weight:800;color:#d4a437}
.dk-aig button{font:inherit;font-size:.88rem;font-weight:700;text-align:left;padding:6px 10px;border-radius:10px;border:1.5px solid color-mix(in srgb,var(--tam) 40%,var(--line));background:var(--card);color:var(--ink);cursor:pointer}
.dk-aig button.on{background:var(--tam);border-color:var(--tam);color:#fff}
.dk-aiout{margin:10px 0 4px!important;padding:8px 12px;border-radius:10px;background:color-mix(in srgb,var(--tam) 8%,var(--card));font-size:.95rem}
.dk-aisum{margin:0!important;font-size:.88rem;color:var(--muted)}
.dk-fork{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
@media (max-width:700px){.dk-fork{grid-template-columns:1fr}}
.dk-fork .top{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 10px;padding:8px;border-radius:12px;background:color-mix(in srgb,var(--sohuu) 9%,var(--card))}
.dk-fork .top span{padding:3px 12px;border-radius:999px;background:var(--sohuu);color:#fff;font-weight:800}
.dk-fork .top small{flex-basis:100%;text-align:center;color:var(--muted)}
.dk-fork .br{padding:10px 12px;border-radius:12px;border:2px solid var(--c);background:color-mix(in srgb,var(--c) 6%,var(--card))}
.dk-fork .br>b{color:color-mix(in srgb,var(--c) 80%,var(--ink))}
.dk-fork .br p{margin:4px 0 0!important;font-size:.92rem}
.dk-fork .no{--c:var(--tam)}.dk-fork .yes{--c:var(--sohuu)}
.dk-fork .dk-chain{margin:6px 0;background:transparent;padding:0}

/* Bài 8: bốn thủ chia hai gốc */
.dk-thu4{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2.2fr);gap:10px;margin:12px 0}
@media (max-width:760px){.dk-thu4{grid-template-columns:1fr}}
.dk-thu4 .g{display:grid;gap:8px;align-content:start;padding:10px;border-radius:14px;border:2px solid var(--c);background:color-mix(in srgb,var(--c) 6%,var(--card))}
.dk-thu4 .g>b{color:color-mix(in srgb,var(--c) 80%,var(--ink));font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}
.dk-thu4 .tham{--c:var(--tam)}.dk-thu4 .kien{--c:var(--tuc)}
.dk-thu4 .kien{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.dk-thu4 .kien>b{grid-column:1/-1}

/* Bài 9: thủ → nghiệp hữu → sinh hữu */
.dk-tflow{margin:10px 0;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
.dk-tflow .rows{display:grid;gap:8px;margin:10px 0 6px}
.dk-tflow .r{display:grid;grid-template-columns:minmax(0,1.1fr) 22px minmax(0,1fr) 22px minmax(0,1fr);align-items:stretch;gap:4px}
@media (max-width:700px){.dk-tflow .r{grid-template-columns:1fr}.dk-tflow .r i{transform:rotate(90deg)}}
.dk-tflow .r span{padding:8px 11px;border-radius:12px;font-size:.92rem;display:flex;align-items:center}
.dk-tflow .r i{display:grid;place-items:center;font-style:normal;font-weight:800;color:var(--muted)}
.dk-tflow .t{background:color-mix(in srgb,var(--tam) 10%,var(--card));border:1px dashed color-mix(in srgb,var(--tam) 50%,var(--line))}
.dk-tflow .n{background:color-mix(in srgb,var(--vovi) 14%,var(--card));border:1px solid color-mix(in srgb,var(--vovi) 50%,var(--line));font-weight:700}
.dk-tflow .s{border:1.5px solid var(--c);background:color-mix(in srgb,var(--c) 10%,var(--card));font-weight:700}
.dk-tflow .thien{--c:var(--sohuu)}.dk-tflow .ac{--c:var(--tam)}

/* Bài 10: hai tương quan song song · Bài 11: chảo dầu */
.dk-par{display:grid;gap:8px;margin:10px 0;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
.dk-par .row{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px}
.dk-par .row span{padding:5px 14px;border-radius:999px;font-weight:800;color:#fff}
.dk-par .a{background:var(--vovi)}.dk-par .b{background:var(--sohuu)}
.dk-par .row i{font-style:normal;font-weight:800;color:var(--muted)}
.dk-par small{flex:1 1 220px;color:var(--muted);font-size:.88rem}
.dk-oil{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:10px 0 4px}
@media (max-width:640px){.dk-oil{grid-template-columns:1fr}}
.dk-oil>div{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px;border-radius:14px;text-align:center;background:linear-gradient(180deg,color-mix(in srgb,#d4a437 16%,var(--card)),var(--card));border:1px solid color-mix(in srgb,#d4a437 45%,var(--line))}
.dk-oil span{font-size:1.8rem;line-height:1}
.dk-oil b{color:var(--navy)}
.dk-oil i{font-size:.86rem;color:var(--muted)}

/* Bài 12: 20 hành tướng, bốn phương pháp · Bài 13: tương quan → 24 duyên */
.dk-g20{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:10px 0 4px}
@media (max-width:760px){.dk-g20{grid-template-columns:repeat(2,minmax(0,1fr))}}
.dk-g20 .col{display:flex;flex-direction:column;gap:5px;padding:10px;border-radius:14px;border:2px solid var(--c);background:color-mix(in srgb,var(--c) 6%,var(--card))}
.dk-g20 .col>b{color:color-mix(in srgb,var(--c) 80%,var(--ink));font-size:.9rem}
.dk-g20 span{padding:4px 10px;border-radius:999px;font-weight:700;font-size:.88rem}
.dk-g20 span.co{background:var(--c);color:#fff}
.dk-g20 span.kem{border:1.5px dashed var(--c);color:var(--ink)}
.dk-g20 small{color:var(--muted);font-size:.78rem}
.dk-legend2 .co::before{background:var(--navy)}.dk-legend2 .kem::before{border:1.5px dashed var(--navy);background:none;box-sizing:border-box}
.dk-naya{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:10px;margin:12px 0}
.dk-naya .dk-card{display:flex;flex-direction:column;gap:6px}
.dk-naya h3{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.dk-naya h3 .e{font-size:1.3rem}
.dk-naya .ds{display:grid;gap:4px;margin-top:auto;font-size:.88rem}
.dk-naya .d{padding:4px 9px;border-radius:9px;background:color-mix(in srgb,var(--sohuu) 12%,var(--card))}
.dk-naya .s{padding:4px 9px;border-radius:9px;background:color-mix(in srgb,var(--tam) 9%,var(--card))}
.dk-fr2{grid-template-columns:minmax(150px,240px) 26px minmax(0,1fr)}
.dk-t24 td:nth-child(4),.dk-t24 td:nth-child(5){font-size:.88rem}
.dk-pt{display:grid;grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:12px;margin:10px 0;padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--card)}
@media (max-width:760px){.dk-pt{grid-template-columns:1fr}.dk-ptl{flex-direction:row!important;flex-wrap:wrap}}
.dk-ptl{display:flex;flex-direction:column;gap:5px}
.dk-ptl button{font:inherit;font-size:.86rem;font-weight:700;text-align:left;padding:6px 10px;border-radius:10px;border:1.5px solid color-mix(in srgb,var(--navy) 35%,var(--line));background:var(--card);color:var(--ink);cursor:pointer}
.dk-ptl button.on{background:var(--navy);color:var(--bg);border-color:var(--navy)}
.dk-pt24{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:5px}
.dk-pt24 span{display:flex;align-items:center;gap:6px;padding:5px 8px;border-radius:9px;border:1px dashed var(--line);color:var(--muted);font-size:.84rem;transition:all .25s}
.dk-pt24 span i{font-style:normal;font-size:.72rem;font-weight:800;min-width:18px;height:18px;border-radius:50%;display:inline-grid;place-items:center;background:color-mix(in srgb,var(--muted) 18%,var(--card))}
.dk-pt24 span.on{border:1.5px solid #d4a437;background:color-mix(in srgb,#d4a437 20%,var(--card));color:var(--ink);font-weight:700}
.dk-pt24 span.on i{background:#d4a437;color:#3a2a00}
.dk-ptcap{margin-top:10px;font-size:.93rem}
.dk-ptcap .p{display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px;margin:5px 0}
.dk-ptcap .p span{font-weight:700;margin-right:4px}
.dk-ptcap .p i{font-style:normal;padding:1px 8px;border-radius:999px;background:color-mix(in srgb,var(--sac) 14%,var(--card));font-size:.84rem}
.dk-ptcap p{margin:6px 0 0!important;color:var(--muted)}
@media (max-width:640px){
  .dk-t24 thead{display:none}
  .dk-t24,.dk-t24 tbody{display:block}
  .dk-t24 tr{display:grid;grid-template-columns:26px minmax(0,1fr) auto;gap:2px 8px;padding:8px 10px;border-bottom:1px solid var(--line)}
  .dk-t24 td{padding:0;border:0}
  .dk-t24 td:nth-child(4),.dk-t24 td:nth-child(5){grid-column:2/-1}
  .dk-t24 td:nth-child(5){color:var(--muted)}
  .dk-t24 td:nth-child(5)::before{content:"Ví dụ: "}
}
/* ghi chú: ý kiến riêng của tác giả, không phải lời Kinh */
.dk-rieng{margin:12px 0;border:1.5px dashed color-mix(in srgb,var(--tuc) 55%,var(--line));background:color-mix(in srgb,var(--tuc) 6%,var(--card))}
.dk-rieng p+p{margin-top:6px}
.dk-rieng-n{color:var(--muted);font-size:.86rem!important;font-style:italic}

/* Bài 13: bốn góc nhìn lúc thức tái sanh sanh */
.dk-ts5{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin:12px 0}
@media (min-width:1100px){.dk-ts5{grid-template-columns:repeat(5,minmax(0,1fr))}}
.dk-ts5>.c{grid-column:1/-1;justify-self:center;display:flex;flex-direction:column;align-items:center;padding:10px 26px;border-radius:999px;background:var(--navy);color:var(--bg);box-shadow:0 0 0 5px color-mix(in srgb,#d4a437 55%,transparent)}
.dk-ts5>.c i{font-size:.85rem;opacity:.85}
.dk-ts5 .dk-card{border-top:4px solid var(--c)}
.dk-ts5 h3{display:flex;align-items:center;gap:8px}
.dk-ts5 h3 .e{font-size:1.3rem}
.dk-ts5 .ds{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px!important}
.dk-ts5 .ds i{font-style:normal;font-size:.8rem;padding:1px 8px;border-radius:999px;background:color-mix(in srgb,var(--c) 15%,var(--card))}
.dk-ptl button b{float:right;font-size:.8rem;opacity:.8}

/* đọc kỹ theo mạch bài giảng */
.dk-doc{margin:10px 0;border:1px solid var(--line);border-radius:16px;background:var(--card);overflow:hidden}
.dk-doc-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 12px;padding:8px 14px;background:color-mix(in srgb,#d4a437 12%,var(--card));font-size:.86rem;color:var(--muted)}
.dk-doc-all{font:inherit;font-size:.85rem;font-weight:700;padding:5px 12px;border-radius:999px;border:1.5px solid var(--navy);background:transparent;color:var(--navy);cursor:pointer}
.dk-dp{border-top:1px solid var(--line)}
.dk-dp summary{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;font-weight:700;color:var(--navy);list-style:none}
.dk-dp summary::-webkit-details-marker{display:none}
.dk-dp summary::after{content:"＋";margin-left:auto;color:var(--muted);font-weight:800}
.dk-dp[open] summary::after{content:"－"}
.dk-dp summary b{flex:0 0 auto;display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:color-mix(in srgb,var(--navy) 12%,var(--card));font-size:.78rem}
.dk-dp summary:hover{background:color-mix(in srgb,var(--navy) 5%,var(--card))}
.dk-dpb{padding:2px 18px 12px 48px;font-size:1rem;line-height:1.7}
@media (max-width:640px){.dk-dpb{padding:2px 14px 12px 16px}}
.dk-dpb p{margin:6px 0}
.dk-dpb .hoi{margin:10px 0 4px;padding:8px 12px;border-left:4px solid var(--sac);border-radius:8px;background:color-mix(in srgb,var(--sac) 8%,var(--card))}
.dk-dpb .hoi::before{content:"Hỏi: ";font-weight:800;color:var(--sac)}
.dk-dpb .dap{margin:0 0 10px;padding:8px 12px;border-left:4px solid var(--sohuu);border-radius:8px;background:color-mix(in srgb,var(--sohuu) 7%,var(--card))}
.dk-dpb .dap::before{content:"Đáp: ";font-weight:800;color:var(--sohuu)}
.dk-dpb .ke{padding:8px 12px;border-radius:10px;border:1px dashed color-mix(in srgb,var(--vovi) 55%,var(--line));background:color-mix(in srgb,var(--vovi) 6%,var(--card))}
.dk-dpb .ke::before{content:"📖 Chuyện kể · ";font-weight:800;color:color-mix(in srgb,var(--vovi) 80%,var(--ink))}