/* Màu lấy từ bộ nhận diện kênh (kenh/nhan-dien/mau.html): xanh rêu và vàng. */
:root {
  --nen: #f5f3ea;
  --nen-2: #ebe8da;
  --the: #fffdf6;
  --chu: #1d2a21;
  --chu-2: #4c5a4f;
  --reu: #2f5a3e;
  --reu-dam: #1f3a2b;
  --vang: #8a6d22;
  --vang-nhat: #f1e6c4;
  --duong-ke: #cfd6c6;
  --chip: #e3ebdb;
  --chip-chu: #24452f;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --nen: #0e1712;
    --nen-2: #15221a;
    --the: #142019;
    --chu: #e6ece1;
    --chu-2: #a9b8a6;
    --reu: #a9c89a;
    --reu-dam: #0b1812;
    --vang: #e3cf8a;
    --vang-nhat: #3a3420;
    --duong-ke: #2c3d31;
    --chip: #213326;
    --chip-chu: #cfe3c4;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --nen: #0e1712; --nen-2: #15221a; --the: #142019; --chu: #e6ece1; --chu-2: #a9b8a6;
  --reu: #a9c89a; --reu-dam: #0b1812; --vang: #e3cf8a; --vang-nhat: #3a3420;
  --duong-ke: #2c3d31; --chip: #213326; --chip-chu: #cfe3c4; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--nen);
  color: var(--chu);
  font-family: 'Be Vietnam Pro', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
}
a { color: var(--reu); text-underline-offset: 3px; }
a:hover { color: var(--vang); }
h1, h2, h3 { font-family: 'Playfair Display', Georgia, serif; font-weight: 600; line-height: 1.25; }
h1 { font-size: clamp(30px, 6vw, 44px); margin: 8px 0 12px; }
h2 { font-size: clamp(22px, 4vw, 28px); margin: 40px 0 14px; }
h3 { font-size: 22px; margin: 0 0 8px; }
.khung { max-width: 920px; margin: 0 auto; padding: 0 16px; }
main.khung { padding-bottom: 56px; }
.nho { color: var(--chu-2); font-size: 14px; font-weight: 400; }
.khau-hieu { font-size: 19px; color: var(--chu-2); margin-top: 0; }

/* Đầu trang */
.dau { background: #1f3a2b; color: #f4f7f0; }
.dau-trong { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 20px; padding-top: 12px; padding-bottom: 12px; }
.ten-trang { font-family: 'Playfair Display', Georgia, serif; font-size: 22px; font-weight: 600; color: #f4f7f0; text-decoration: none; margin-right: auto; }
.dau nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.dau nav a { color: #dde6d5; text-decoration: none; font-size: 15px; padding: 4px 0; border-bottom: 2px solid transparent; }
.dau nav a:hover { color: #e3cf8a; }
.dau nav a[aria-current="page"] { color: #e3cf8a; border-bottom-color: #c9b36a; }
@media (max-width: 560px) {
  .dau nav { width: 100%; flex-wrap: nowrap; gap: 16px; overflow-x: auto; scrollbar-width: none; }
  .dau nav::-webkit-scrollbar { display: none; }
  .dau nav a { font-size: 14px; white-space: nowrap; }
}

/* Chân trang */
.chan { border-top: 1px solid var(--duong-ke); background: var(--nen-2); color: var(--chu-2); font-size: 14px; padding: 20px 0; }
.chan p { margin: 4px 0; }

/* Trang chủ */
.mo-dau { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: 32px; align-items: center; margin-top: 32px; }
.anh-la { margin: 0; }
.anh-la img { width: 100%; height: auto; border-radius: 14px; display: block; }
.anh-la figcaption { font-size: 14px; color: var(--chu-2); margin-top: 8px; }
@media (max-width: 680px) {
  .mo-dau { grid-template-columns: 1fr; gap: 16px; margin-top: 20px; }
  .anh-la { max-width: 260px; }
}
.goc { background: var(--the); border: 1px solid var(--duong-ke); border-radius: 14px; padding: 4px 20px 16px; margin-top: 36px; }
.goc h2 { margin-top: 20px; }
.luoi-nhanh { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr)); gap: 16px; }
.nhanh { background: var(--the); border: 1px solid var(--duong-ke); border-top: 4px solid var(--reu); border-radius: 12px; padding: 16px 20px; }
.so-nhanh { font-family: 'Playfair Display', Georgia, serif; font-size: 15px; color: var(--vang); margin: 0; letter-spacing: .05em; }
.so-nhanh::before { content: "Nhánh "; }
.nhanh h3 a { text-decoration: none; color: var(--chu); }
.nhanh .y { margin: 0 0 6px; }
.viec { color: var(--chu-2); font-size: 15px; }
.xem-them { font-weight: 600; }
.ds-loi-vao li { margin-bottom: 10px; }

/* Cây */
.cay { list-style: none; margin: 0; padding-left: 0; }
.cay .cay { padding-left: 22px; margin-left: 6px; border-left: 2px solid var(--duong-ke); }
.cay li { position: relative; margin: 6px 0; }
.cay .cay > li::before { content: ""; position: absolute; left: -22px; top: 0.85em; width: 16px; border-top: 2px solid var(--duong-ke); }
.nut { padding: 2px 0; }
.nut.then-chot .chu { font-weight: 600; }
.cay.gon li { margin: 2px 0; font-size: 15px; }
.cay.gon a { text-decoration: none; color: var(--chu); }
.cay.gon a:hover { color: var(--reu); text-decoration: underline; }
li:target > .nut { background: var(--vang-nhat); border-radius: 6px; padding: 2px 6px; margin: 0 -6px; }

.chip {
  display: inline-block; font-size: 13px; line-height: 1.5; padding: 0 8px; margin: 2px 2px 2px 0;
  border-radius: 999px; background: var(--chip); color: var(--chip-chu); text-decoration: none; white-space: nowrap;
}
.chip:hover { background: var(--reu); color: var(--nen); }
.nhan-lop {
  display: inline-block; font-size: 12px; line-height: 1.5; padding: 0 7px; margin-right: 4px; border-radius: 4px;
  border: 1px solid var(--duong-ke); color: var(--chu-2); font-family: 'Be Vietnam Pro', sans-serif; font-weight: 400; vertical-align: 2px;
}
.nhan-lop.muon { border-color: var(--vang); color: var(--vang); }
.nhan-lop.chu-giai, .nhan-lop.chu_giai { border-style: dashed; }
.nhan-lop.nen-doc { background: var(--vang-nhat); border-color: transparent; color: var(--chu); }
.nhan-lop.som { border-color: var(--reu); color: var(--reu); }

/* Đường dẫn, trước sau */
.duong-dan { font-size: 14px; color: var(--chu-2); margin-top: 24px; }
.truoc-sau { display: flex; justify-content: space-between; gap: 16px; margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--duong-ke); }

/* Thông tin */
.thong-tin { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 16px 0; }
.thong-tin dt { color: var(--chu-2); font-size: 15px; }
.thong-tin dd { margin: 0; }
@media (max-width: 480px) {
  .thong-tin { grid-template-columns: 1fr; gap: 0; }
  .thong-tin dd { margin-bottom: 8px; }
}

/* Trang kinh */
.ma-lon { font-family: 'Playfair Display', Georgia, serif; color: var(--vang); font-size: 18px; margin: 16px 0 0; }
.doc-kinh { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.nut-doc { display: inline-block; padding: 8px 16px; border-radius: 8px; background: var(--reu); color: var(--nen); text-decoration: none; font-weight: 600; }
.nut-doc:hover { background: var(--vang); color: var(--nen); }
.nut-doc.phu { background: transparent; color: var(--reu); border: 1px solid var(--duong-ke); font-weight: 400; }
.nut-doc.phu:hover { border-color: var(--vang); color: var(--vang); }
.xuat-hien { list-style: none; padding: 0; }
.xuat-hien li { margin: 0 0 12px; padding: 10px 14px; background: var(--the); border: 1px solid var(--duong-ke); border-radius: 10px; }
.xuat-hien .duong { display: block; font-size: 13px; color: var(--chu-2); }

/* Danh sách kinh */
.luoi-kinh { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); gap: 8px; }
.the-kinh { display: block; padding: 10px 14px; background: var(--the); border: 1px solid var(--duong-ke); border-radius: 10px; text-decoration: none; color: var(--chu); }
.the-kinh:hover { border-color: var(--reu); }
.the-kinh .ma { display: block; font-size: 13px; color: var(--vang); }
.the-kinh .ten { display: block; }

/* Đời Đức Phật */
.ds-chang { list-style: none; padding: 0; }
.ds-chang > li { padding: 14px 0; border-bottom: 1px solid var(--duong-ke); }
.ten-chang { font-weight: 600; text-decoration: none; color: var(--chu); font-size: 18px; }
.ten-chang .so { display: inline-block; min-width: 1.6em; color: var(--vang); font-family: 'Playfair Display', Georgia, serif; }
.ds-chang p { margin: 4px 0 0; }
.ds-chang .phu { color: var(--chu-2); font-size: 15px; }

/* Nơi giảng */
.ds-noi { list-style: none; padding: 0; }
.ds-noi li { padding: 12px 0; border-bottom: 1px solid var(--duong-ke); }
.ten-noi { font-weight: 600; font-size: 18px; text-decoration: none; }
.ds-noi .nho, .ds-noi .dem { display: block; }
.ds-noi .dem { font-size: 14px; color: var(--vang); }

/* Chuyện trong kinh */
.luoi-chuyen { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); gap: 10px; }
.the-chuyen { display: block; padding: 12px 16px; background: var(--the); border: 1px solid var(--duong-ke); border-left: 4px solid var(--vang); border-radius: 10px; text-decoration: none; color: var(--chu); }
.the-chuyen:hover { border-color: var(--reu); border-left-color: var(--vang); }
.the-chuyen .ten { display: block; font-family: 'Playfair Display', Georgia, serif; font-size: 19px; font-weight: 600; line-height: 1.3; }
.the-chuyen .phu { display: block; font-size: 13px; color: var(--chu-2); margin-top: 4px; }
.loi-ke p { margin: 0 0 14px; }
.doan-chu-giai { padding: 10px 14px; border: 1px dashed var(--duong-ke); border-radius: 10px; color: var(--chu-2); }
.loi-kinh { margin: 24px 0; padding: 16px 20px; background: var(--vang-nhat); border-radius: 12px; }
.loi-kinh blockquote { margin: 0; font-family: 'Playfair Display', Georgia, serif; font-size: 20px; line-height: 1.5; }
.loi-kinh figcaption { margin-top: 10px; font-size: 14px; color: var(--chu-2); }
.noi-ve { margin: 24px 0; padding: 4px 20px 8px; background: var(--the); border: 1px solid var(--duong-ke); border-top: 4px solid var(--reu); border-radius: 12px; }
.noi-ve h2 { font-size: 20px; margin: 16px 0 8px; }

/* Bản đồ */
.khung-ban-do { margin: 20px 0 28px; }
.ban-do { height: 440px; border-radius: 12px; border: 1px solid var(--duong-ke); background: var(--nen-2); z-index: 0; }
@media (max-width: 560px) { .ban-do { height: 340px; } }
.khung-ban-do figcaption { font-size: 14px; color: var(--chu-2); margin-top: 8px; }
.leaflet-container { font-family: 'Be Vietnam Pro', system-ui, sans-serif; }
.leaflet-tooltip.nhan-diem { background: var(--the); color: var(--chu); border: 1px solid var(--duong-ke); box-shadow: none; font-size: 13px; padding: 1px 6px; }
.leaflet-tooltip.nhan-diem::before { display: none; }
.leaflet-popup-content .ten-diem { font-weight: 600; font-size: 15px; }
.leaflet-popup-content p { margin: 4px 0 0; }
.mo-dau-chuyen { font-size: 18px; font-style: italic; color: var(--chu-2); border-left: 3px solid var(--vang); padding-left: 14px; margin: 8px 0 20px; }
.ket-chuyen { margin: 24px 0; }
.loi-cuoi { margin-top: 12px; }
.noi-chang { margin: 20px 0; }
.noi-chang h2 { font-size: 20px; margin: 0 0 8px; color: var(--vang); }
.noi-chang p { margin: 0 0 8px; }