/* ─────────────────────────────────────────────────────────────
   Trang Kiến trúc — bài dài tương tác.
   Chỉ dùng token của Mandala Design System (var(--m-*)), tiền tố riêng kt-
   để không đụng lớp m-. Tự đúng màu ở cả ba giao diện Sáng · Giấy · Đêm.
   ───────────────────────────────────────────────────────────── */

.kt-page { background: var(--m-bg); }
.kt { --kt-chapter-gap: var(--m-space-section); }

/* ── Hero ── */
.kt-hero { --m-hero-h: min(92vh, 860px); }
.kt-hero__content { gap: var(--m-space-4); padding-bottom: var(--m-space-16); max-width: 52rem; }
.kt-hero .m-hero__title { font-size: var(--m-text-6xl); }
.kt-hero .m-btn-group { align-items: center; margin-top: var(--m-space-2); }
.kt-hero__meta { display: inline-flex; align-items: center; gap: 8px; font-size: var(--m-text-sm); color: rgb(255 255 255 / 0.86); }
.kt-hero .m-breadcrumb { margin-bottom: var(--m-space-2); }
.kt-hero .m-breadcrumb span:not([aria-current]) { color: rgb(255 255 255 / 0.85); }

/* ── Thanh công cụ đọc ── */
.kt-toolbar { display: flex; justify-content: center; padding-block: var(--m-space-3); border-bottom: 1px solid var(--m-border); }
@media (min-width: 768px) { .kt-toolbar { border: 0; padding-top: var(--m-space-5); } }

/* ── Chương ── */
.kt-chapter { padding-block: var(--kt-chapter-gap); position: relative; }
.kt-chapter > * + * { margin-top: var(--m-space-12); }
.kt-chapter + .kt-chapter:not(.m-section--sunken):not(.kt-heart):not(.kt-mapsec) { padding-top: calc(var(--kt-chapter-gap) * 0.5); }
.kt-chapter :is(h2, h3)[id] { scroll-margin-top: calc(var(--m-header-h) + var(--m-space-6)); }
.kt-chap-head { display: flex; flex-direction: column; gap: var(--m-space-3); margin-bottom: var(--m-space-6); }
.kt-chap-head .m-h2 { text-wrap: balance; }
.kt-chap-kicker {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
  font-size: var(--m-text-xs); font-weight: var(--m-weight-semibold);
  letter-spacing: var(--m-tracking-caps); text-transform: uppercase; color: var(--m-ornament-text);
}
.kt-chap-num {
  display: inline-flex; align-items: center; height: 26px; padding: 0 10px;
  border: 1px solid currentColor; border-radius: var(--m-radius-full);
  letter-spacing: 0.04em;
}
.kt-wide { margin-top: var(--m-space-12); }

/* ── Đoạn văn: cùng nhịp với .m-prose, theo công cụ đọc (cỡ chữ, chữ có chân) ── */
.kt-text {
  font-family: var(--m-reading-font, var(--m-font-sans));
  font-size: calc(var(--m-text-reading) * var(--m-reading-scale, 1));
  line-height: var(--m-leading-reading);
  color: var(--m-text);
}
[data-reading-font="serif"] .kt-text { --m-reading-font: var(--m-font-serif); }
.kt-text > * + * { margin-top: 1.1em; }
.kt-text strong { font-weight: var(--m-weight-semibold); color: var(--m-heading); }
.kt-text__lead { font-size: 1.12em; line-height: 1.6; color: var(--m-text-secondary); }
.kt .is-speaking {
  background: var(--m-highlight); box-shadow: 0 0 0 0.35em var(--m-highlight);
  border-radius: 2px; transition: background var(--m-duration-base);
}

/* ── Câu lớn (tuyên ngôn) ── */
.kt-statement {
  max-width: 54rem; margin-inline: auto; padding-block: var(--m-space-6);
  text-align: center; text-wrap: balance;
  font-family: var(--m-font-serif); font-size: clamp(1.5rem, 1.15rem + 1.6vw, 2.25rem);
  line-height: 1.45; color: var(--m-heading);
}
.kt-statement::before, .kt-statement::after {
  content: ""; display: block; height: 14px; margin: 0 auto var(--m-space-6);
  background: var(--m-ornament);
  -webkit-mask: var(--m-ornament-divider) center / auto 14px no-repeat;
          mask: var(--m-ornament-divider) center / auto 14px no-repeat;
}
.kt-statement::after { margin: var(--m-space-6) auto 0; }
.kt-statement em { font-style: italic; color: var(--m-brand-text); }
.kt-statement--sm { font-size: clamp(1.25rem, 1.1rem + 0.8vw, 1.625rem); }

/* ── Ba vế "Từ… đến…" ── */
.kt-triad { list-style: none; padding: 0; margin-top: var(--m-space-8); display: grid; gap: var(--m-space-3); counter-reset: triad; }
.kt-triad li {
  counter-increment: triad;
  display: grid; grid-template-columns: 2.25rem minmax(0, 1fr); align-items: baseline; column-gap: var(--m-space-3);
  padding: var(--m-space-4) var(--m-space-5); border-radius: var(--m-radius-lg); background: var(--m-surface-sunken);
  font-family: var(--m-font-display); font-weight: var(--m-weight-semibold);
  font-size: clamp(1.125rem, 1rem + 0.6vw, 1.375rem); line-height: 1.35; color: var(--m-heading);
}
.kt-triad li::before { content: "0" counter(triad); grid-row: span 2; font-size: var(--m-text-sm); color: var(--m-ornament-text); font-variant-numeric: tabular-nums; }
.kt-triad li span + span { color: var(--m-brand-text); }

/* ── Ba trụ ý ── */
.kt-pillars { display: grid; gap: var(--m-space-6); }
@media (min-width: 768px) { .kt-pillars { grid-template-columns: repeat(3, 1fr); } }
.kt-pillar { display: flex; flex-direction: column; gap: var(--m-space-3); padding: var(--m-space-6); border: 1px solid var(--m-border); border-radius: var(--m-radius-xl); background: var(--m-surface); }
.kt-pillar__title { font-family: var(--m-font-display); font-weight: var(--m-weight-bold); font-size: var(--m-text-xl); line-height: 1.3; color: var(--m-heading); text-wrap: balance; }
.kt-pillar__text { color: var(--m-text-secondary); line-height: var(--m-leading-normal); }
.kt-stats { margin-top: var(--m-space-12); }
.kt-figpair { display: grid; gap: var(--m-space-6); margin-top: var(--m-space-12); align-items: start; }
@media (min-width: 768px) { .kt-figpair { grid-template-columns: 1.6fr 1fr; } }
.kt-fig--paper .kt-zoom { background: #fff; border: 1px solid var(--m-border); border-radius: var(--m-radius-lg); }
.kt-fig--paper img { mix-blend-mode: multiply; }
[data-theme="dark"] .kt-fig--paper img { mix-blend-mode: normal; }

/* ── Ảnh phóng to được ── */
.kt-zoom {
  position: relative; display: block; width: 100%; padding: 0; border: 0; background: none;
  border-radius: var(--m-radius-lg); overflow: hidden; cursor: zoom-in; color: inherit;
}
.kt-zoom img { display: block; width: 100%; height: auto; filter: brightness(var(--m-img-dim)); transition: transform var(--m-duration-breath) var(--m-ease-out); }
.kt-zoom::after {
  content: ""; position: absolute; right: 10px; bottom: 10px; width: 36px; height: 36px; border-radius: 50%;
  background: rgb(10 14 24 / 0.55) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.75' stroke-linecap='round'%3E%3Cpath d='M14 4h6v6M10 20H4v-6M20 4l-6.5 6.5M4 20l6.5-6.5'/%3E%3C/svg%3E") center / 18px no-repeat;
  opacity: 0; transform: scale(0.9); transition: opacity var(--m-duration-base), transform var(--m-duration-base) var(--m-ease-out);
}
@media (hover: hover) {
  .kt-zoom:hover img { transform: scale(1.025); }
  .kt-zoom:hover::after { opacity: 1; transform: none; }
}
.kt-zoom:focus-visible::after { opacity: 1; transform: none; }
.kt-zoom:focus-visible { outline: var(--m-border-focus) solid var(--m-focus); outline-offset: 3px; }

.kt-fig { gap: var(--m-space-3); }
.kt-fig figcaption { max-width: 60ch; }

/* Ảnh tràn màn hình */
.kt-bleed { margin: 0 0 var(--m-space-12); }
.kt-bleed .kt-zoom { border-radius: 0; }
.kt-bleed img { width: 100%; max-height: min(78vh, 760px); object-fit: cover; }
.kt-bleed--soft { margin: var(--m-space-12) 0 calc(var(--kt-chapter-gap) * -1); }
@media (min-width: 1200px) {
  .kt-bleed { padding-inline: var(--m-space-gutter); }
  .kt-bleed .kt-zoom { border-radius: var(--m-radius-2xl); max-width: calc(var(--m-size-wide)); margin-inline: auto; }
  .kt-bleed--soft { margin-bottom: 0; }
}

/* ── Danh sách thông tin ── */
.kt-dl { margin-top: var(--m-space-8); padding: var(--m-space-2) var(--m-space-5); border: 1px solid var(--m-border); border-radius: var(--m-radius-lg); background: var(--m-surface); }
.kt-dl--wide { margin-top: var(--m-space-10); }
@media (min-width: 768px) { .kt-dl--wide { grid-template-columns: max-content minmax(0, 1fr) max-content minmax(0, 1fr); column-gap: var(--m-space-6); } .kt-dl--wide > :nth-last-child(-n + 4) { border-bottom: 0; } }

/* ── Sơ đồ hành trình ── */
.kt-mapsec { background: var(--m-surface-sunken); }
.kt-map { display: grid; gap: var(--m-space-8); align-items: start; }
.kt-map__intro { max-width: var(--m-size-reading); }
@media (min-width: 992px) {
  .kt-map { grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr); column-gap: var(--m-space-12); }
  .kt-map__intro { grid-column: 1 / -1; }
}
.kt-map__hint { display: flex; gap: 10px; align-items: flex-start; font-size: var(--m-text-sm); color: var(--m-text-muted); }
.kt-map__hint .m-icon { flex: none; color: var(--m-ornament-text); margin-top: 1px; }

.kt-map__figure { position: relative; margin: 0; display: flex; flex-direction: column; gap: var(--m-space-4); }
.kt-mapsvg { width: 100%; height: auto; max-width: 640px; margin-inline: auto; overflow: visible; }
.kt-map__note { font-size: var(--m-text-xs); color: var(--m-text-muted); text-align: center; }

/* Hình trong sơ đồ (dùng chung cho sơ đồ nhỏ ở thước hành trình) */
.kt-zone { cursor: pointer; outline: none; }
.kt-zone > :first-child { transition: fill var(--m-duration-base), stroke var(--m-duration-base); }
.kt-zone--lake > path { fill: color-mix(in srgb, var(--m-action) 14%, var(--m-surface)); stroke: color-mix(in srgb, var(--m-action) 40%, transparent); stroke-width: 2; }
.kt-zone--ring > path { fill: var(--m-surface); stroke: var(--m-border-strong); stroke-width: 1.5; }
.kt-zone[data-kt-zone="3"] > path { fill: color-mix(in srgb, var(--m-ornament) 7%, var(--m-surface)); }
.kt-zone[data-kt-zone="5"] > path { fill: color-mix(in srgb, var(--m-ornament) 12%, var(--m-surface)); }
.kt-zone--heart > circle { fill: var(--m-lapis-900); stroke: var(--m-ornament); stroke-width: 2; }
.kt-stupa-glyph { fill: var(--m-gold-200); }
.kt-zone--isle > circle { fill: var(--m-surface); stroke: var(--m-border-strong); stroke-width: 1.5; }
.kt-spiral { fill: none; stroke: var(--m-brand); stroke-width: 2; opacity: 0.7; }
.kt-zone--hall > rect { fill: var(--m-surface); stroke: var(--m-border-strong); stroke-width: 1.5; }
.kt-hall-glyph { fill: none; stroke: var(--m-text-muted); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.kt-ripples path { fill: none; stroke: color-mix(in srgb, var(--m-action) 22%, transparent); stroke-width: 1.5; stroke-dasharray: 2 8; stroke-linecap: round; }
.kt-bridge path { stroke: var(--m-brand); stroke-width: 2.5; stroke-linecap: round; opacity: 0.8; }
.kt-five circle { fill: none; stroke-width: 3.5; opacity: 0.75; }
.kt-markers circle { fill: var(--m-surface); stroke: var(--m-ornament); stroke-width: 2.5; transition: fill var(--m-duration-base), r var(--m-duration-base); }
.kt-markers text { font: 700 17px/1 var(--m-font-display); fill: var(--m-ornament-text); text-anchor: middle; dominant-baseline: central; transition: fill var(--m-duration-base); }
.kt-markers [data-kt-marker="4"] circle { fill: var(--m-ornament); }
.kt-markers [data-kt-marker="4"] text { fill: var(--m-lapis-950); }

/* Đang chọn / đang đọc */
.kt-zone.is-active.kt-zone--ring > path,
.kt-zone.is-active.kt-zone--isle > circle,
.kt-zone.is-active.kt-zone--hall > rect { fill: color-mix(in srgb, var(--m-ornament) 34%, var(--m-surface)); stroke: var(--m-ornament); stroke-width: 2.5; }
.kt-zone.is-active.kt-zone--lake > path { fill: color-mix(in srgb, var(--m-action) 30%, var(--m-surface)); stroke: var(--m-action); }
.kt-zone.is-active.kt-zone--heart > circle { stroke-width: 6; }
.kt-markers g.is-active circle { fill: var(--m-ornament); }
.kt-markers g.is-active text { fill: var(--m-lapis-950); }
@media (hover: hover) {
  .kt-mapsvg .kt-zone:not(.is-active):hover > :first-child { stroke: var(--m-ornament); stroke-width: 2.5; }
}
/* Chặng đã đi qua (thước hành trình) */
.kt-zone.is-passed.kt-zone--ring > path,
.kt-zone.is-passed.kt-zone--isle > circle,
.kt-zone.is-passed.kt-zone--hall > rect { fill: color-mix(in srgb, var(--m-ornament) 16%, var(--m-surface)); }
.kt-zone.is-passed.kt-zone--lake > path { fill: color-mix(in srgb, var(--m-action) 22%, var(--m-surface)); }

.kt-arrow-down { transform: rotate(90deg); }

/* ── Các điểm dừng trong một vòng ── */
.kt-stations { list-style: none; padding: 0; display: grid; gap: var(--m-space-10) var(--m-space-8); }
@media (min-width: 768px) { .kt-stations { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.kt-station { display: flex; flex-direction: column; gap: var(--m-space-4); }
.kt-station__media { aspect-ratio: 4 / 3; background: var(--m-surface-muted); }
.kt-station__media img { width: 100%; height: 100%; object-fit: cover; }
.kt-station__media--duo { display: grid; grid-template-columns: 1fr 1fr; gap: var(--m-space-2); border-radius: var(--m-radius-lg); overflow: hidden; background: none; }
.kt-station__media--duo .kt-zoom { height: 100%; border-radius: 0; }
.kt-station__body { display: flex; flex-direction: column; gap: 6px; }
.kt-station__n { font: var(--m-weight-semibold) var(--m-text-xs)/1 var(--m-font-sans); letter-spacing: var(--m-tracking-caps); color: var(--m-text-muted); font-variant-numeric: tabular-nums; }
.kt-station__title { font-family: var(--m-font-display); font-size: var(--m-text-2xl); font-weight: var(--m-weight-bold); line-height: 1.25; color: var(--m-heading); }
.kt-station__key { font-family: var(--m-font-serif); font-style: italic; font-size: var(--m-text-lg); line-height: 1.45; color: var(--m-brand-text); }
.kt-station__text { color: var(--m-text-secondary); line-height: var(--m-leading-normal); font-size: calc(var(--m-text-md) * var(--m-reading-scale, 1)); }

/* ── Trái tim: vùng Đêm ── */
.kt-heart {
  background:
    radial-gradient(120% 70% at 50% 0%, color-mix(in srgb, var(--m-lapis-700) 38%, transparent) 0%, transparent 60%),
    var(--m-bg);
  color: var(--m-text); overflow: clip; isolation: isolate; /* clip, không phải hidden: để sticky bên trong vẫn chạy */
}
.kt-heart__glow {
  position: absolute; z-index: -1; left: 50%; top: 120px; width: 900px; aspect-ratio: 1; transform: translateX(-50%);
  background: var(--m-ornament); opacity: 0.09; pointer-events: none;
  /* url() trong biến CSS được tính theo tệp CSS nơi dùng biến → trỏ thẳng tới họa tiết của design system */
  -webkit-mask: url("../img/mandala-b276e0e26853.svg") center / contain no-repeat;
          mask: url("../img/mandala-b276e0e26853.svg") center / contain no-repeat;
}
@media (prefers-reduced-motion: no-preference) { .kt-heart__glow { animation: kt-turn 240s linear infinite; } }
@keyframes kt-turn { to { transform: translateX(-50%) rotate(360deg); } }

.kt-trikaya { margin-top: var(--m-space-10); padding: var(--m-space-6); border: 1px solid var(--m-border); border-radius: var(--m-radius-xl); background: var(--m-surface); text-align: center; }
.kt-trikaya__shapes { display: flex; align-items: center; justify-content: center; gap: var(--m-space-4); }
.kt-trikaya__item { display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: var(--m-text-sm); color: var(--m-text-secondary); }
.kt-trikaya__item svg { width: 52px; height: 52px; fill: none; stroke: var(--m-ornament); stroke-width: 2; }
.kt-trikaya__arrow { color: var(--m-text-muted); margin-bottom: 24px; }
.kt-trikaya__caption { margin-top: var(--m-space-4); font-family: var(--m-font-display); font-weight: var(--m-weight-semibold); font-size: var(--m-text-lg); color: var(--m-heading); }

.kt-heart__gallery { display: grid; gap: var(--m-space-3); grid-template-columns: 1fr 1fr; }
.kt-heart__gallery figure { margin: 0; }
.kt-heart__gallery .kt-zoom { height: 100%; }
.kt-heart__gallery img { height: 100%; object-fit: cover; }
.kt-heart__main { grid-column: 1 / -1; }
@media (min-width: 768px) {
  .kt-heart__gallery { grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; }
  .kt-heart__main { grid-column: 1; grid-row: 1 / span 2; }
  .kt-heart__gallery figure:nth-child(2) { aspect-ratio: 4 / 3; }
  .kt-heart__gallery figure:nth-child(3) { aspect-ratio: 4 / 3; }
}
.kt-heart__summit { margin-top: var(--m-space-10); text-align: center; font-family: var(--m-font-serif); font-style: italic; font-size: clamp(1.25rem, 1.1rem + 0.8vw, 1.625rem); line-height: 1.5; color: var(--m-heading); text-wrap: balance; }

/* ── Năm hình khối ── */
.kt-anatomy { margin-top: var(--m-space-8); padding: var(--m-space-8) var(--m-space-5); border-radius: var(--m-radius-2xl); background: var(--m-surface); border: 1px solid var(--m-border); }
@media (min-width: 768px) { .kt-anatomy { padding: var(--m-space-12); } }
.kt-anatomy__head { display: flex; flex-direction: column; gap: var(--m-space-3); max-width: 46rem; }
.kt-anatomy__intro { color: var(--m-text-secondary); line-height: var(--m-leading-normal); font-size: calc(var(--m-text-md) * var(--m-reading-scale, 1)); }

@media (max-width: 575.98px) {
}
/* Biểu tượng hình khối */
.kt-shape { flex: none; width: 24px; height: 24px; background: var(--kt-c); }
.kt-shape--square { border-radius: 2px; transform: scale(0.85); }
.kt-shape--circle { border-radius: 50%; }
.kt-shape--tri { clip-path: polygon(50% 4%, 100% 92%, 0 92%); }
.kt-shape--half { border-radius: 0 0 24px 24px; height: 12px; margin-block: 6px; }
.kt-shape--jewel { border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; clip-path: path("M12 0C16 6 20 10 20 15a8 8 0 0 1-16 0C4 10 8 6 12 0Z"); }
.kt-shape--jewel { box-shadow: inset 0 0 0 1.5px var(--m-text-muted); }

.kt-tierpanel { display: flex; flex-direction: column; gap: var(--m-space-4); padding: var(--m-space-6); border-radius: var(--m-radius-lg); background: var(--m-surface-sunken); border-top: 4px solid var(--kt-c); }
.kt-tierpanel + .kt-tierpanel { margin-top: var(--m-space-4); }
.kt-tierpanel:focus-visible { outline: var(--m-border-focus) solid var(--m-focus); outline-offset: 2px; }
.kt-tierpanel__step { font-size: var(--m-text-xs); font-weight: var(--m-weight-semibold); letter-spacing: var(--m-tracking-caps); text-transform: uppercase; color: var(--m-ornament-text); }
.kt-tierpanel__title { margin-top: -8px; font-family: var(--m-font-display); font-weight: var(--m-weight-bold); font-size: var(--m-text-3xl); line-height: 1.2; color: var(--m-heading); }
.kt-facts { display: grid; gap: 1px; grid-template-columns: 1fr; border-radius: var(--m-radius-md); overflow: hidden; background: var(--m-border); }
@media (min-width: 576px) { .kt-facts { grid-template-columns: repeat(3, 1fr); } }
.kt-facts > div { padding: 10px 14px; background: var(--m-surface); }
.kt-facts dt { font-size: var(--m-text-xs); font-weight: var(--m-weight-semibold); letter-spacing: 0.04em; text-transform: uppercase; color: var(--m-text-muted); }
.kt-facts dd { margin: 2px 0 0; font-weight: var(--m-weight-semibold); color: var(--m-heading); line-height: 1.4; }
.kt-tierpanel__list { padding-left: 1.2em; display: flex; flex-direction: column; gap: 8px; color: var(--m-text); line-height: var(--m-leading-normal); font-size: calc(var(--m-text-md) * var(--m-reading-scale, 1)); }
.kt-tierpanel__list li::marker { color: var(--kt-c); }
.kt-tierpanel__list strong { color: var(--m-heading); font-weight: var(--m-weight-semibold); }
.kt-ten { list-style: none; padding: 0; display: grid; gap: 6px; counter-reset: ten; }
@media (min-width: 576px) { .kt-ten { grid-template-columns: 1fr 1fr; } }
.kt-ten li { counter-increment: ten; display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 8px; align-items: baseline; padding: 8px 10px; border-radius: var(--m-radius-sm); background: var(--m-surface); font-size: var(--m-text-sm); line-height: 1.45; color: var(--m-text-secondary); }
.kt-ten li::before { content: counter(ten); font: var(--m-weight-bold) var(--m-text-sm)/1.45 var(--m-font-display); color: var(--m-ornament-text); text-align: right; }
/* ── Vệ tinh quanh tháp ── */
.kt-orbit { list-style: none; padding: 0; display: grid; gap: var(--m-space-3); }
@media (min-width: 768px) { .kt-orbit { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) { .kt-orbit { grid-template-columns: repeat(3, 1fr); } }
.kt-orbit li { display: flex; gap: var(--m-space-4); align-items: flex-start; padding: var(--m-space-5); border: 1px solid var(--m-border); border-radius: var(--m-radius-lg); background: var(--m-surface); }
.kt-orbit__icon { flex: none; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--m-ornament-subtle); color: var(--m-ornament-text); }
.kt-orbit__icon--five { display: flex; gap: 3px; padding: 0 9px; background: var(--m-surface-sunken); }
.kt-orbit__icon--five i { width: 3px; height: 22px; border-radius: 2px; background: var(--m-five-blue); }
.kt-orbit__icon--five i:nth-child(2) { background: var(--m-five-white); }
.kt-orbit__icon--five i:nth-child(3) { background: var(--m-five-yellow); }
.kt-orbit__icon--five i:nth-child(4) { background: var(--m-five-red); }
.kt-orbit__icon--five i:nth-child(5) { background: var(--m-five-green); }
.kt-orbit__title { font-family: var(--m-font-display); font-weight: var(--m-weight-bold); font-size: var(--m-text-lg); line-height: 1.3; color: var(--m-heading); }
.kt-orbit__meta { font-size: var(--m-text-sm); color: var(--m-text-muted); }
.kt-orbit__key { margin-top: 4px; font-family: var(--m-font-serif); font-style: italic; color: var(--m-brand-text); line-height: 1.45; }
.kt-mosaic { display: grid; gap: var(--m-space-2); grid-template-columns: repeat(2, 1fr); margin-top: var(--m-space-8); }
.kt-mosaic .kt-zoom { aspect-ratio: 1; border-radius: var(--m-radius-md); }
.kt-mosaic img { height: 100%; object-fit: cover; }
.kt-mosaic .kt-zoom:first-child { grid-row: span 2; aspect-ratio: auto; }
@media (min-width: 768px) {
  .kt-mosaic { grid-template-columns: 1.1fr 1fr 1fr; grid-template-rows: 1fr 1fr; height: clamp(420px, 44vw, 560px); }
  .kt-mosaic .kt-zoom { aspect-ratio: auto; }
}
.kt-mosaic__cap { margin-top: var(--m-space-3); }

/* ── Liên Hoa Sinh ── */
.kt-lotus { background: linear-gradient(180deg, var(--m-bg), var(--m-surface-sunken)); }
.kt-lotus__grid { display: grid; gap: var(--m-space-10); align-items: center; }
@media (min-width: 992px) { .kt-lotus__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--m-space-16); } }
.kt-lotus__media { display: grid; gap: var(--m-space-5); }
@media (min-width: 576px) and (max-width: 991.98px) { .kt-lotus__media { grid-template-columns: 1fr 1fr; } }
.kt-crossing { list-style: none; padding: 0; margin-top: var(--m-space-8); display: flex; flex-direction: column; gap: 0; }
.kt-crossing li { position: relative; display: flex; flex-direction: column; padding: 0 0 var(--m-space-5) 36px; line-height: 1.4; }
.kt-crossing li::before { content: ""; position: absolute; left: 9px; top: 18px; bottom: -2px; width: 2px; background: linear-gradient(var(--m-brand), var(--m-ornament)); opacity: 0.6; }
.kt-crossing li:last-child::before { display: none; }
.kt-crossing__dot { position: absolute; left: 2px; top: 3px; width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--m-brand); background: var(--m-surface); }
.kt-crossing li:last-child .kt-crossing__dot { background: var(--m-ornament); border-color: var(--m-ornament); }
.kt-crossing strong { font-family: var(--m-font-display); font-size: var(--m-text-lg); color: var(--m-heading); }
.kt-crossing small { font-size: var(--m-text-sm); color: var(--m-text-muted); }

/* ── Trí tuệ ── */
.kt-duo { display: grid; gap: var(--m-space-8); }
@media (min-width: 768px) { .kt-duo { grid-template-columns: 1.25fr 1fr; } }
.kt-duo__item { display: flex; flex-direction: column; gap: var(--m-space-3); }
.kt-duo__item .kt-zoom { aspect-ratio: 3 / 2; }
.kt-duo__item img { height: 100%; object-fit: cover; }
.kt-duo__title { display: flex; align-items: center; gap: 10px; margin-top: var(--m-space-2); font-family: var(--m-font-display); font-weight: var(--m-weight-bold); font-size: var(--m-text-xl); color: var(--m-heading); }
.kt-duo__title .m-icon { color: var(--m-ornament-text); }
.kt-duo__text { color: var(--m-text-secondary); }
.kt-strip { display: grid; grid-template-columns: 1fr 1fr; gap: var(--m-space-3); margin-top: var(--m-space-5); }
.kt-strip .kt-zoom { aspect-ratio: 16 / 9; border-radius: var(--m-radius-md); }
.kt-strip img { height: 100%; object-fit: cover; }

/* ── Ý nghĩa ── */
.kt-symbols { display: grid; gap: var(--m-space-4); }
@media (min-width: 576px) { .kt-symbols { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) and (max-width: 1359.98px), (min-width: 1680px) { .kt-symbols { grid-template-columns: repeat(4, 1fr); } }
.kt-symbol { display: flex; flex-direction: column; gap: var(--m-space-2); padding: var(--m-space-6); border-radius: var(--m-radius-xl); background: var(--m-surface); border: 1px solid var(--m-border); }
.kt-symbol .m-icon-badge { margin-bottom: var(--m-space-2); }
.kt-symbol__name { font-size: var(--m-text-xs); font-weight: var(--m-weight-semibold); letter-spacing: var(--m-tracking-caps); text-transform: uppercase; color: var(--m-text-muted); }
.kt-symbol__is { font-family: var(--m-font-display); font-weight: var(--m-weight-bold); font-size: var(--m-text-xl); line-height: 1.3; color: var(--m-heading); text-wrap: balance; }
.kt-symbol__text { color: var(--m-text-secondary); line-height: var(--m-leading-normal); }
.kt-symbol--all { background: var(--m-lapis-950); border-color: transparent; }
.kt-symbol--all :is(.kt-symbol__is) { color: #fff; }
.kt-symbol--all .kt-symbol__name { color: var(--m-gold-300); }
.kt-symbol--all .kt-symbol__text { color: rgb(255 255 255 / 0.78); }
.kt-symbol--all .m-icon-badge { background: rgb(255 255 255 / 0.1); color: var(--m-gold-300); }
[data-theme="dark"] .kt-symbol--all { background: var(--m-surface-muted); }

/* ── Bản sắc ── */
.kt-identity { display: grid; gap: var(--m-space-8); }
@media (min-width: 768px) { .kt-identity { grid-template-columns: repeat(3, 1fr); gap: var(--m-space-6); } }
.kt-identity__item { margin: 0; display: flex; flex-direction: column; gap: var(--m-space-4); }
.kt-identity__item .kt-zoom { aspect-ratio: 4 / 5; }
.kt-identity__item img { height: 100%; object-fit: cover; }
.kt-identity__item figcaption { display: flex; flex-direction: column; gap: 4px; color: var(--m-text-secondary); line-height: var(--m-leading-normal); }
.kt-identity__item figcaption strong { font-family: var(--m-font-display); font-size: var(--m-text-xl); color: var(--m-heading); }
.kt-identity + .kt-statement { margin-top: var(--m-space-10); }

/* ── Ứng dụng ── */
.kt-practice { margin-top: var(--m-space-8); }
.kt-rail .kt-zoom { aspect-ratio: 3 / 2; border-radius: var(--m-radius-md); }
.kt-rail img { height: 100%; object-fit: cover; }
.kt-rail__nav { display: flex; justify-content: flex-end; gap: 8px; margin-top: var(--m-space-3); }
.kt-rail__nav .m-btn:disabled { opacity: 0.45; }

/* ── Lời kết ── */
.kt-path { list-style: none; padding: 0; margin-top: var(--m-space-8); display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.kt-path li { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: var(--m-radius-full); background: var(--m-surface-sunken); font-weight: var(--m-weight-semibold); color: var(--m-heading); font-size: var(--m-text-sm); }
.kt-path li:not(:last-child)::after { content: "→"; margin-left: 4px; color: var(--m-ornament-text); }
.kt-path li:last-child { background: var(--m-ornament-subtle); color: var(--m-ornament-text); }
.kt-path__note { margin-top: var(--m-space-3); font-size: var(--m-text-sm); color: var(--m-text-muted); }

.kt-finale { position: relative; isolation: isolate; overflow: hidden; margin-top: var(--m-space-16); padding-block: clamp(220px, 30vw, 380px) clamp(72px, 10vw, 140px); background: var(--m-lapis-950); color: #fff; }
.kt-finale__media { position: absolute; inset: 0; z-index: -2; }
.kt-finale__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; opacity: 0.85; }
.kt-finale::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgb(8 12 22 / 0.1) 0%, rgb(8 12 22 / 0.55) 40%, rgb(8 12 22 / 0.88) 75%); }
.kt-finale__body { display: flex; flex-direction: column; gap: 1.1em; font-family: var(--m-reading-font, var(--m-font-sans)); font-size: calc(var(--m-text-reading) * var(--m-reading-scale, 1)); line-height: var(--m-leading-reading); color: rgb(255 255 255 / 0.9); text-shadow: 0 1px 12px rgb(0 0 0 / 0.4); }
.kt-finale__line { margin-top: 0.4em; font-family: var(--m-font-serif); font-style: italic; font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.25rem); line-height: 1.4; color: var(--m-gold-200); text-wrap: balance; }
.kt-finale .is-speaking { background: rgb(255 255 255 / 0.12); box-shadow: 0 0 0 0.35em rgb(255 255 255 / 0.12); }

.kt-next { display: grid; gap: var(--m-space-10); margin-top: var(--m-space-12); }
@media (min-width: 992px) { .kt-next { grid-template-columns: 1.2fr 1fr; gap: var(--m-space-16); align-items: start; } }
.kt-next__cta { display: flex; flex-direction: column; gap: var(--m-space-5); }
.kt-next__title { font-family: var(--m-font-display); font-weight: var(--m-weight-bold); font-size: var(--m-text-2xl); line-height: 1.35; max-width: 34ch; color: var(--m-heading); text-wrap: balance; }
.kt-next__more .m-overline { margin-bottom: var(--m-space-4); }

/* ── Thước hành trình ── */
.kt-journey {
  position: fixed; z-index: var(--m-z-sticky); left: var(--m-space-6); top: calc(var(--m-header-h) + var(--m-space-6));
  width: 216px; max-height: calc(100vh - var(--m-header-h) - var(--m-space-12)); overflow-y: auto; scrollbar-width: thin;
  display: none; flex-direction: column; gap: var(--m-space-4); padding: var(--m-space-4);
  border: 1px solid var(--m-border); border-radius: var(--m-radius-lg);
  background: color-mix(in srgb, var(--m-surface) 94%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
  box-shadow: var(--m-shadow-sm);
  opacity: 0; transform: translateX(-8px); pointer-events: none;
  transition: opacity var(--m-duration-slow) var(--m-ease-out), transform var(--m-duration-slow) var(--m-ease-out);
}
.kt-journey.is-on { opacity: 1; transform: none; pointer-events: auto; }
@media (min-width: 1360px) {
  .kt-journey:not([hidden]) { display: flex; }
  /* Chừa chỗ cho thước bên trái: khối rộng không chạm vào thước */
  .kt { --kt-max: min(calc(var(--m-size-content) + 2 * var(--m-space-gutter)), calc(100vw - 2 * 264px)); }
  .kt .m-container:not(.m-container--reading) { max-width: var(--kt-max); }
  .kt-bleed .kt-zoom { max-width: calc(var(--kt-max) - 2 * var(--m-space-gutter)); }
}
.kt-journey__head { display: flex; align-items: center; gap: var(--m-space-3); }
.kt-journey__map { flex: none; width: 64px; }
.kt-journey__map svg { width: 64px; height: 64px; display: block; }
.kt-journey__now { display: flex; flex-direction: column; gap: 2px; min-width: 0; font-size: var(--m-text-sm); line-height: 1.3; }
.kt-journey__now span { font-size: 11px; font-weight: var(--m-weight-semibold); letter-spacing: var(--m-tracking-caps); text-transform: uppercase; color: var(--m-ornament-text); }
.kt-journey__now strong { font-family: var(--m-font-display); color: var(--m-heading); }
.kt-journey__toc { font-size: 13px; }
.kt-journey__toc a { padding-block: 4px; }
.kt-journey__toc ol ol { display: none; }

.kt-journeybar {
  position: fixed; z-index: var(--m-z-sticky); left: 50%; bottom: calc(58px + env(safe-area-inset-bottom) + 10px);
  display: flex; align-items: center; gap: 10px; width: min(calc(100% - 24px), 440px); min-height: 52px; padding: 6px 6px 6px 8px;
  border: 1px solid var(--m-border); border-radius: var(--m-radius-full);
  background: color-mix(in srgb, var(--m-surface) 94%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
  box-shadow: var(--m-shadow-md); color: var(--m-text); text-align: left; cursor: pointer;
  opacity: 0; transform: translate(-50%, 12px); pointer-events: none;
  transition: opacity var(--m-duration-slow) var(--m-ease-out), transform var(--m-duration-slow) var(--m-ease-out);
}
.kt-journeybar[hidden] { display: none; }
.kt-journeybar.is-on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
@media (min-width: 992px) { .kt-journeybar { bottom: var(--m-space-6); } }
@media (min-width: 1360px) { .kt-journeybar { display: none; } }
.kt-journeybar__map { flex: none; width: 40px; height: 40px; }
.kt-journeybar__map svg { width: 40px; height: 40px; display: block; }
.kt-journeybar__text { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.kt-journeybar__text small { font-size: 11px; font-weight: var(--m-weight-semibold); letter-spacing: var(--m-tracking-caps); text-transform: uppercase; color: var(--m-ornament-text); }
.kt-journeybar__text > span { font-weight: var(--m-weight-semibold); color: var(--m-heading); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: var(--m-text-sm); }
.kt-journeybar__open { flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--m-action-subtle); color: var(--m-action-subtle-text); }
.kt-tocsheet .m-toc { font-size: var(--m-text-md); }
.kt-tocsheet .m-toc a { padding-block: 10px; }
/* Sơ đồ nhỏ: bỏ chi tiết */
.kt-mini :is(.kt-markers, .kt-ripples, .kt-spiral, .kt-hall-glyph) { display: none; }
.kt-mini .kt-zone { pointer-events: none; }
.kt-mini .kt-five circle { stroke-width: 5; }

/* ── Xem ảnh lớn ── */
/* base.css của design system đặt * { margin: 0 } nên <dialog> mất căn giữa mặc định */
.kt-lightbox { margin: auto; width: min(1200px, calc(100vw - 32px)); max-height: calc(100dvh - 32px); background: #0B0F19; color: #fff; overflow: hidden; }
.kt-lightbox[open] { display: flex; flex-direction: column; }
.kt-lightbox::backdrop { background: rgb(5 8 16 / 0.86); }
.kt-lightbox::before { display: none; }
.kt-lightbox__fig { flex: 1; min-height: 0; margin: 0; display: flex; flex-direction: column; }
.kt-lightbox__fig img { flex: 1; min-height: 0; width: 100%; max-height: calc(100dvh - 180px); object-fit: contain; background: #0B0F19; }
.kt-lightbox__fig figcaption { padding: var(--m-space-4) var(--m-space-5) 0; font-size: var(--m-text-sm); line-height: 1.5; color: rgb(255 255 255 / 0.82); }
.kt-lightbox__bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: var(--m-space-3) var(--m-space-4) var(--m-space-4) var(--m-space-5); }
.kt-lightbox__count { font-size: var(--m-text-sm); color: rgb(255 255 255 / 0.6); font-variant-numeric: tabular-nums; }
@media (max-width: 575.98px) {
  .kt-lightbox { width: 100vw; max-height: 100dvh; height: 100dvh; margin: 0; border-radius: 0; transform: none; }
  .kt-lightbox__fig img { max-height: none; }
}

/* ── Giảm chuyển động ── */
@media (prefers-reduced-motion: reduce) {
  .kt-zoom img, .kt-journey, .kt-journeybar,   .kt-zoom:hover img { transform: none; }
}
/* ── In ── */
@media print {
  .kt-tierpanel[hidden] { display: flex !important; }
  .kt-zoom::after { display: none; }
}

/* Sơ đồ nhỏ cần tương phản cao hơn để đọc được ở 40–64px */
.kt-mini .kt-zone.is-active.kt-zone--ring > path,
.kt-mini .kt-zone.is-active.kt-zone--isle > circle,
.kt-mini .kt-zone.is-active.kt-zone--hall > rect { fill: var(--m-ornament); stroke: var(--m-ornament); }
.kt-mini .kt-zone.is-active.kt-zone--lake > path { fill: color-mix(in srgb, var(--m-action) 55%, var(--m-surface)); }
.kt-mini .kt-zone.is-active.kt-zone--heart > circle { fill: var(--m-ornament); }
.kt-mini .kt-zone--ring > path, .kt-mini .kt-zone--isle > circle, .kt-mini .kt-zone--hall > rect { stroke-width: 6; }
.kt-mini .kt-zone--lake > path { stroke-width: 6; }
@media (max-width: 575.98px) {
  /* Điện thoại: tháp nhỏ lại để bảng ý nghĩa nằm gần nút "Đi lên" */
  }

/* ─────────────────────────────────────────────────────
   CUỘN ĐỂ KỂ — hình đứng yên (sticky), các bước trôi qua.
   Điện thoại: hình dính trên cùng, các bước cuộn bên dưới.
   Máy tính: hình bên trái, các bước bên phải.
   Không có JS: mọi bước vẫn hiện đủ, chỉ không tự sáng.
   ───────────────────────────────────────────────────── */
.kt-scrolly { position: relative; margin-top: var(--m-space-8); }
.kt-scrolly__stage {
  position: sticky; top: var(--m-header-h); z-index: 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--m-space-2);
  padding-block: var(--m-space-3);
  background: var(--kt-stage-bg, var(--m-bg));
}
.kt-scrolly__steps { list-style: none; padding: 0; position: relative; z-index: 1; }
.kt-step { display: flex; align-items: center; min-height: 62vh; padding-block: var(--m-space-6); }
.kt-step:first-child { min-height: 48vh; }
.kt-step:last-child { min-height: 54vh; }
.kt-step > * { width: 100%; }
.kt-scrolly__count { font-size: var(--m-text-xs); font-weight: var(--m-weight-semibold); letter-spacing: var(--m-tracking-caps); text-transform: uppercase; color: var(--m-text-muted); font-variant-numeric: tabular-nums; }
.kt-scrolly__count span { color: var(--m-ornament-text); }

@media (min-width: 992px) {
  .kt-scrolly { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); column-gap: var(--m-space-12); align-items: start; }
  .kt-scrolly__stage { top: calc(var(--m-header-h) + var(--m-space-4)); height: calc(100vh - var(--m-header-h) - var(--m-space-8)); background: none; padding: 0; }
  .kt-step { min-height: 78vh; }
  .kt-step:first-child { min-height: 60vh; }
  .kt-step:last-child { min-height: 70vh; }
}

/* ── Sơ đồ hành trình ── */
.kt-mapsec { --kt-stage-bg: var(--m-surface-sunken); }
.kt-map__hint a { color: var(--m-link); }
.kt-map__hint { margin-top: var(--m-space-5); }
.kt-scrolly--map .kt-map__figure { width: 100%; align-items: center; }
.kt-scrolly--map .kt-mapsvg { width: auto; height: min(40vh, 340px); max-width: 100%; }
@media (min-width: 992px) { .kt-scrolly--map .kt-mapsvg { height: auto; width: 100%; max-height: calc(100vh - var(--m-header-h) - 140px); } }
.kt-step__card {
  display: flex; flex-direction: column; gap: 8px; padding: var(--m-space-6);
  border: 1px solid var(--m-border); border-radius: var(--m-radius-xl); background: var(--m-surface);
  transition: border-color var(--m-duration-slow), box-shadow var(--m-duration-slow), transform var(--m-duration-slow) var(--m-ease-out);
}
.kt-step.is-active .kt-step__card { border-color: var(--m-ornament); box-shadow: var(--m-shadow-md); }
.kt-step__kicker { display: flex; align-items: center; gap: 10px; font-size: var(--m-text-xs); font-weight: var(--m-weight-semibold); letter-spacing: var(--m-tracking-caps); text-transform: uppercase; color: var(--m-ornament-text); }
.kt-step__n { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; border: 1.5px solid var(--m-ornament); font: var(--m-weight-bold) var(--m-text-sm)/1 var(--m-font-display); letter-spacing: 0; transition: background var(--m-duration-slow), color var(--m-duration-slow); }
.kt-step.is-active .kt-step__n { background: var(--m-ornament); color: var(--m-surface); }
.kt-step__title { font-family: var(--m-font-display); font-weight: var(--m-weight-bold); font-size: var(--m-text-2xl); line-height: 1.25; color: var(--m-heading); }
.kt-step__text { color: var(--m-text-secondary); line-height: var(--m-leading-normal); font-size: calc(var(--m-text-md) * var(--m-reading-scale, 1)); }
.kt-step__card .m-link-arrow { align-self: flex-start; margin-top: 4px; }
.kt-mapsvg .kt-zone > :first-child { transition: fill var(--m-duration-breath) var(--m-ease-standard), stroke var(--m-duration-breath); }

/* ── Bảo tháp: vẽ theo sơ đồ ngũ đại gốc ── */
.kt-anatomy { --kt-stage-bg: var(--m-surface); }
.kt-scrolly--stupa .kt-scrolly__stage { gap: var(--m-space-3); }
.kt-stupa { display: block; width: auto; height: min(36vh, 300px); max-width: 100%; overflow: visible; }
@media (min-width: 992px) { .kt-stupa { height: calc(100vh - var(--m-header-h) - 150px); max-height: 760px; } }
.kt-band { fill: var(--kt-c); opacity: 0; transition: opacity var(--m-duration-breath) var(--m-ease-standard); }
.kt-band.is-active { opacity: 0.14; }
.kt-stupa__rule { fill: none; stroke: var(--m-text-muted); stroke-width: 1.5; stroke-dasharray: 5 6; opacity: 0.7; }
/* Thân tháp: một hình dò từ sơ đồ gốc, dùng lại 5 lần, mỗi lần cắt theo một dải ngũ đại */
.kt-tier__fill { fill: var(--m-surface); transition: fill var(--m-duration-breath) var(--m-ease-standard); }
.kt-tier.is-passed .kt-tier__fill { fill: color-mix(in srgb, var(--kt-c) 30%, var(--m-surface)); }
.kt-tier.is-active .kt-tier__fill { fill: color-mix(in srgb, var(--kt-c) 80%, var(--m-surface)); }
.kt-stupa__ink { fill: var(--m-text); pointer-events: none; }
.kt-stupa__pole { fill: var(--m-surface); pointer-events: none; }
.kt-sym { fill: color-mix(in srgb, var(--kt-c) 22%, var(--m-surface)); stroke: var(--kt-c); stroke-width: 3; transition: fill var(--m-duration-breath); }
[data-tier="5"] > .kt-sym { stroke: var(--m-text-muted); }
.kt-stupa__elem, .kt-stupa__part { font: var(--m-weight-semibold) 26px/1 var(--m-font-sans); fill: var(--m-text-muted); letter-spacing: 0.04em; text-transform: uppercase; transition: fill var(--m-duration-slow); }
.kt-stupa__part { font-size: 20px; font-weight: var(--m-weight-bold); }
.kt-tier.is-active > .kt-sym { fill: var(--kt-c); }
.kt-tier.is-active > :is(.kt-stupa__elem, .kt-stupa__part) { fill: var(--m-heading); }
@media (max-width: 575.98px) { .kt-stupa__part { display: none; } }

.kt-anatomy__chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.kt-chip {
  display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 4px 10px 4px 6px;
  border: 1px solid var(--m-border); border-radius: var(--m-radius-full); background: var(--m-surface);
  font-size: var(--m-text-sm); color: var(--m-text-secondary); cursor: pointer;
  transition: border-color var(--m-duration-base), background var(--m-duration-base), color var(--m-duration-base);
}
.kt-chip .kt-shape { width: 18px; height: 18px; }
.kt-chip .kt-shape--half { height: 9px; margin-block: 4.5px; border-radius: 0 0 18px 18px; }
.kt-chip .kt-shape--jewel { clip-path: path("M9 0C12 4.5 15 7.5 15 11.25a6 6 0 0 1-12 0C3 7.5 6 4.5 9 0Z"); }
.kt-chip[aria-current="step"] { border-color: var(--kt-c); background: color-mix(in srgb, var(--kt-c) 16%, var(--m-surface)); color: var(--m-heading); font-weight: var(--m-weight-semibold); }
@media (max-width: 575.98px) { .kt-chip > span:last-child { display: none; } .kt-chip { padding: 4px 8px; } }

.kt-scrolly--stupa .kt-tierpanel { transition: box-shadow var(--m-duration-slow), opacity var(--m-duration-slow); }
.kt-scrolly--stupa .kt-step.is-active .kt-tierpanel { box-shadow: 0 0 0 1px var(--kt-c), var(--m-shadow-md); }
.kt-scrolly--stupa .kt-step:first-child { min-height: 60vh; }

@media (prefers-reduced-motion: reduce) {
  .kt-band, .kt-sym, .kt-tier__fill, .kt-step__card, .kt-mapsvg .kt-zone > :first-child { transition: none; }
}
@media (min-width: 992px) { .kt-scrolly--stupa { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.kt-scrolly--stupa .kt-facts { grid-template-columns: 1fr; }
.kt-scrolly--stupa .kt-facts > div { display: grid; grid-template-columns: 6.5em minmax(0, 1fr); gap: 12px; align-items: baseline; }
.kt-scrolly--stupa .kt-facts dd { margin: 0; }
@media (max-width: 991.98px) {
  /* Điện thoại: hình gọn lại để bước đang đọc luôn nằm trọn trong phần màn hình còn lại */
  .kt-scrolly--map .kt-mapsvg { height: min(31vh, 290px); }
  .kt-scrolly--map .kt-map__note { display: none; }
  .kt-stupa { height: min(32vh, 280px); }
  .kt-step { min-height: 52vh; }
  .kt-step:first-child { min-height: 40vh; }
}
.kt-map__note--intro { display: none; }
@media (max-width: 991.98px) { .kt-map__note--intro { display: block; margin-top: var(--m-space-2); text-align: left; } }
.kt-journeybar.is-on.is-tucked { opacity: 0; transform: translate(-50%, 12px); pointer-events: none; }
@media (max-width: 575.98px) {
  .kt-scrolly--stupa .kt-facts > div { grid-template-columns: 5.2em minmax(0, 1fr); }
  .kt-scrolly--stupa .kt-tierpanel { padding: var(--m-space-5); }
}

/* ── Chặng đang đọc trên sơ đồ: dịu mắt nhưng nhìn là biết ──
   Vùng đang đọc "thở" nhẹ và có quầng sáng; vùng chưa tới mờ đi; số được phóng lớn và có vòng sóng lan ra. */
.kt-scrolly .kt-zone { transition: opacity var(--m-duration-breath) var(--m-ease-standard), filter var(--m-duration-breath) var(--m-ease-standard); }
.kt-scrolly .kt-mapsvg:has(.kt-zone.is-active) .kt-zone:not(.is-active):not(.is-passed) { opacity: 0.42; }
.kt-scrolly .kt-mapsvg:has(.kt-zone.is-active) .kt-zone.is-passed { opacity: 0.85; }
.kt-scrolly .kt-zone.is-active { filter: drop-shadow(0 0 8px color-mix(in srgb, var(--m-ornament) 70%, transparent)); }
.kt-markers .kt-dot, .kt-markers text { transform-box: fill-box; transform-origin: center; transition: transform var(--m-duration-slow) var(--m-ease-out); }
.kt-markers g.is-active :is(.kt-dot, text) { transform: scale(1.32); }
.kt-markers circle.kt-ping { fill: none; stroke: var(--m-ornament); stroke-width: 2.5; opacity: 0; transform-box: fill-box; transform-origin: center; }
@media (prefers-reduced-motion: no-preference) {
  .kt-scrolly .kt-zone.is-active > :first-child { animation: kt-breathe 3.2s var(--m-ease-in-out) infinite; }
  .kt-markers g.is-active circle.kt-ping { animation: kt-ping 2.6s var(--m-ease-out) infinite; }
}
@keyframes kt-breathe { 0%, 100% { fill-opacity: 1; } 50% { fill-opacity: 0.62; } }
@keyframes kt-ping { 0% { transform: scale(1); opacity: 0.75; } 100% { transform: scale(2.7); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .kt-markers g.is-active circle.kt-ping { opacity: 0.5; transform: scale(1.7); } }

/* ─────────────────────────────────────────────────────
   ĐIỆN THOẠI & MÁY TÍNH BẢNG ĐỨNG (< 992px)
   - Không có thanh tab dưới; header không ghim → toàn bộ màn hình dành cho nội dung.
   - Lề trái/phải 20px.
   - Hero: ảnh nguyên vẹn ở trên, chữ ở khối tối bên dưới (không đè chữ lên ảnh).
   - Khối cuộn-để-kể: hình ghim sát mép trên, nội dung các bước cuộn bên dưới.
   Dùng svh (chiều cao khi thanh địa chỉ còn hiện) để hình không nhảy khi thanh địa chỉ co lại.
   ───────────────────────────────────────────────────── */
.kt-ten-wrap { margin-top: 4px; }
.kt-ten-wrap > summary { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; cursor: pointer; list-style: none; font-weight: var(--m-weight-semibold); color: var(--m-action-subtle-text); font-size: var(--m-text-sm); }
.kt-ten-wrap > summary::-webkit-details-marker { display: none; }
.kt-ten-wrap > summary .m-icon { transition: transform var(--m-duration-base) var(--m-ease-out); }
.kt-ten-wrap[open] > summary .m-icon { transform: rotate(180deg); }
.kt-ten-wrap > ol { margin-top: 6px; }
.kt-scrolly__stage::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 20px; background: linear-gradient(var(--kt-stage-bg, var(--m-bg)), transparent); pointer-events: none; }
@media (min-width: 992px) { .kt-scrolly__stage::after { display: none; } }

/* Lề trang 20px trên điện thoại (token của design system là 16px) */
@media (max-width: 767.98px) { .kt-page { --m-margin: 20px; } }

@media (max-width: 991.98px) {
  /* Header: đặc, không ghim, không đường kẻ dưới */
  .kt-page .m-header { position: relative; background: var(--m-surface); -webkit-backdrop-filter: none; backdrop-filter: none; border-bottom-color: transparent !important; }
  .kt-page .m-header__inner { height: 60px; }

  /* Hero: ảnh trên, chữ dưới */
  .kt-hero { display: block; min-height: 0; margin-top: 0 !important; background: var(--m-lapis-950); }
  .kt-hero::before { display: none; }
  .kt-hero .m-hero__media { position: relative; inset: auto; z-index: auto; aspect-ratio: 5 / 4; }
  .kt-hero .m-hero__media img { object-position: 60% 50%; }
  .kt-hero__content { max-width: none; padding-block: var(--m-space-8) var(--m-space-10); gap: var(--m-space-3); }
  .kt-hero .m-hero__title { font-size: clamp(1.875rem, 1.2rem + 3.4vw, 2.5rem); text-shadow: none; }
  .kt-hero .m-hero__lead, .kt-hero .m-overline { text-shadow: none; }
  .kt-hero .m-breadcrumb { margin-bottom: 0; }
  .kt-toolbar { padding-top: var(--m-space-3); }

  /* Tiêu đề chương: không cần chừa chỗ cho header ghim */
  .kt-chapter :is(h2, h3)[id], .m-prose :is(h2, h3, h4) { scroll-margin-top: 16px; }

  /* Khối cuộn-để-kể */
  .kt-scrolly__stage { top: 0; padding-block: var(--m-space-2); }
  .kt-scrolly--map .kt-mapsvg { height: min(34vh, 300px); height: min(34svh, 300px); width: auto; }
  .kt-scrolly--map .kt-map__note { display: none; }
  .kt-scrolly--map .kt-markers { --kt-mk: 1.4; }
  .kt-scrolly--map .kt-step { min-height: 52vh; min-height: 52svh; align-items: flex-start; padding-block: var(--m-space-6) var(--m-space-10); }
  .kt-scrolly--map .kt-step:first-child { min-height: 40svh; }

  .kt-stupa { height: min(30vh, 260px); height: min(30svh, 260px); }
  .kt-scrolly--stupa .kt-step { min-height: 56vh; min-height: 56svh; align-items: flex-start; padding-block: var(--m-space-6) var(--m-space-10); }
  .kt-scrolly--stupa .kt-step:first-child { min-height: 40svh; }
  .kt-anatomy__chips { gap: 4px; }
  .kt-chip { min-height: 40px; }

  /* Thanh hành trình nổi: sát đáy khi không còn thanh tab */
  .kt-journeybar { bottom: calc(12px + env(safe-area-inset-bottom)); }
}
.kt-markers { --kt-mk: 1; }
.kt-markers .kt-dot, .kt-markers text { transform: scale(var(--kt-mk)); }
.kt-markers g.is-active :is(.kt-dot, text) { transform: scale(calc(var(--kt-mk) * 1.32)); }
.kt-markers circle.kt-ping { transform: scale(var(--kt-mk)); }
@keyframes kt-ping { 0% { transform: scale(var(--kt-mk, 1)); opacity: 0.75; } 100% { transform: scale(calc(var(--kt-mk, 1) * 2.7)); opacity: 0; } }

/* ── Trình nghe bài đọc ── */
.kt-player {
  position: fixed; z-index: calc(var(--m-z-sticky) + 20); left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; gap: 6px; padding: 12px 14px 8px;
  border: 1px solid var(--m-border-strong); border-radius: var(--m-radius-xl);
  background: color-mix(in srgb, var(--m-surface) 96%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
  box-shadow: var(--m-shadow-lg); color: var(--m-text);
}
.kt-player[hidden] { display: none; }
@media (min-width: 768px) { .kt-player { left: 50%; right: auto; width: min(720px, calc(100vw - 48px)); transform: translateX(-50%); bottom: 24px; } }
.kt-player__top { display: flex; align-items: center; gap: 12px; }
.kt-player__play { flex: none; display: grid; place-items: center; width: 52px; height: 52px; border: 0; border-radius: 50%; background: var(--m-action); color: var(--m-text-on-action); cursor: pointer; transition: transform var(--m-duration-fast), background var(--m-duration-fast); }
.kt-player__play:hover { background: var(--m-action-hover); }
.kt-player__play:active { transform: scale(0.95); }
.kt-player__play .m-icon { --m-icon-size: 24px; }
.kt-player__play .kt-i-play { margin-left: 3px; fill: currentColor; }
.kt-player__play .kt-i-pause { display: none; }
.kt-player__play[aria-pressed="true"] .kt-i-play { display: none; }
.kt-player__play[aria-pressed="true"] .kt-i-pause { display: block; }
.kt-player__now { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.3; }
.kt-player__now small { font-size: 11px; font-weight: var(--m-weight-semibold); letter-spacing: var(--m-tracking-caps); text-transform: uppercase; color: var(--m-ornament-text); }
.kt-player__now strong { font-family: var(--m-font-display); font-size: var(--m-text-md); color: var(--m-heading); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kt-player__track { display: flex; align-items: center; gap: 10px; }
.kt-player__time { font-size: var(--m-text-xs); color: var(--m-text-muted); font-variant-numeric: tabular-nums; min-width: 2.9em; }
.kt-player__time:last-child { text-align: right; }
.kt-player__seek { flex: 1; min-width: 0; height: 28px; accent-color: var(--m-ornament); cursor: pointer; background: none; }
.kt-player__tools { display: flex; align-items: center; justify-content: space-between; gap: 2px; margin-inline: -8px; }
.kt-player__tools .m-btn { min-width: 0; padding-inline: 10px; font-size: var(--m-text-sm); }
.kt-player__follow[aria-pressed="true"] { background: var(--m-action-subtle); color: var(--m-action-subtle-text); }
body.kt-player-open { padding-bottom: 190px; }
body.kt-player-open .kt-journeybar { display: none; }
[data-kt-listen][aria-pressed="true"] { background: var(--m-action-subtle); color: var(--m-action-subtle-text); }

/* Đoạn đang được đọc: vạch vàng bên trái tiêu đề chương */
.kt-chap-head, .kt-anatomy__head { position: relative; }
.kt-chap-head::before, .kt-anatomy__head::before {
  content: ""; position: absolute; left: calc(-1 * var(--m-space-4)); top: 4px; bottom: 4px; width: 3px; border-radius: 3px;
  background: var(--m-ornament); opacity: 0; transform: scaleY(0.4); transform-origin: top;
  transition: opacity var(--m-duration-slow), transform var(--m-duration-slow) var(--m-ease-out);
}
.is-listening::before { opacity: 1; transform: none; }
@media print { .kt-player { display: none !important; } }