/* Quản trị Kinh Thánh Công Giáo – giao diện sáng, chữ lớn dễ đọc, tông xanh lá như web appcatholic.com (#15803d) */
:root {
  --nen: #f4f6f5;
  --the: #ffffff;
  --vien: #e2e8e4;
  --chu: #1e293b;
  --chu-phu: #64748b;
  --chinh: #15803d;
  --chinh-dam: #166534;
  --chinh-nhat: #dcfce7;
  --go: #8a5a2b;
  --go-nhat: #f4ebdf;
  --do: #b3392f;
  --do-nhat: #fbe9e7;
  --vang: #b7791f;
  --vang-nhat: #fdf3dc;
  --xanh: #2b6cb0;
  --xanh-nhat: #e6eff9;
  --bo: 10px;
  --bong: 0 1px 2px rgba(40, 35, 20, .06), 0 2px 8px rgba(40, 35, 20, .05);
}
* { box-sizing: border-box; }
html { font-size: 15px; }
body {
  margin: 0; background: var(--nen); color: var(--chu);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif; line-height: 1.5;
}
a { color: var(--chinh); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5rem; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }
code { background: var(--go-nhat); padding: 0 .3em; border-radius: 4px; font-size: .9em; }

/* ---------------- Khung trang ---------------- */
.khung { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }
.menu {
  background: #0f3d21; color: #e2f2e7; padding: 1rem .75rem; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.menu .logo { display: flex; gap: .6rem; align-items: center; padding: .25rem .5rem 1rem; color: #fff; font-weight: 700; }
.menu .logo span { display: block; font-size: .75rem; font-weight: 400; color: #9fc7ad; }
.menu .logo-chu { width: 36px; height: 36px; border-radius: 9px; background: #c99a5b; color: #2a1b0b; display: grid; place-items: center; font-size: 1.1rem; }
.menu .nhom { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: #86b897; margin: 1rem .5rem .3rem; }
.menu a { display: flex; align-items: center; gap: .55rem; padding: .5rem .6rem; border-radius: 8px; color: #e2f2e7; }
.menu a:hover { background: rgba(255, 255, 255, .07); text-decoration: none; }
.menu a.dang { background: #15803d; color: #fff; }
.menu a .so { margin-left: auto; font-size: .75rem; background: rgba(255, 255, 255, .14); border-radius: 99px; padding: 0 .45rem; }
.menu .bieu-tuong { width: 1.2rem; text-align: center; opacity: .9; }
.noi-dung { padding: 1.25rem 1.75rem 3rem; min-width: 0; }
.dau-trang { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.dau-trang h1 { margin: 0; }
.dau-trang .mo-ta { color: var(--chu-phu); margin: .15rem 0 0; }
.dau-trang .phai { margin-left: auto; display: flex; gap: .5rem; flex-wrap: wrap; }
.nguoi-dung { display: flex; align-items: center; gap: .5rem; color: #9fc7ad; font-size: .85rem; padding: .75rem .5rem 0; border-top: 1px solid rgba(255,255,255,.08); margin-top: 1rem; }
.nguoi-dung form { margin-left: auto; }
.nguoi-dung button { background: none; border: 0; color: #e2f2e7; cursor: pointer; font: inherit; padding: 0; }
.nut.nut-menu { display: none; }

/* ---------------- Thẻ / lưới ---------------- */
.the { background: var(--the); border: 1px solid var(--vien); border-radius: var(--bo); box-shadow: var(--bong); padding: 1rem 1.15rem; margin-bottom: 1rem; }
.the > h2:first-child { margin-bottom: .75rem; }
.luoi { display: grid; gap: 1rem; }
.luoi-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.luoi-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.luoi-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.so-lieu { display: flex; flex-direction: column; gap: .15rem; }
.so-lieu .nhan { color: var(--chu-phu); font-size: .85rem; }
.so-lieu .gia-tri { font-size: 1.6rem; font-weight: 700; }
.so-lieu .phu { font-size: .8rem; color: var(--chu-phu); }
.hang { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.hang.giua { justify-content: space-between; }
.cot { display: flex; flex-direction: column; gap: .5rem; }
.mo { color: var(--chu-phu); }
.nho { font-size: .85rem; }

/* ---------------- Nút ---------------- */
.nut {
  display: inline-flex; align-items: center; gap: .4rem; border: 1px solid var(--vien); background: #fff; color: var(--chu);
  padding: .48rem .9rem; border-radius: 8px; font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap; line-height: 1.2;
}
.nut:hover { background: #f8faf9; text-decoration: none; }
.nut.chinh { background: var(--chinh); border-color: var(--chinh); color: #fff; }
.nut.chinh:hover { background: var(--chinh-dam); }
.nut.nguy { color: var(--do); border-color: #e9c3be; }
.nut.nguy:hover { background: var(--do-nhat); }
.nut.nho { padding: .3rem .6rem; font-size: .85rem; }
.nut.trong { border-color: transparent; background: transparent; }
.nut[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------------- Biểu mẫu ---------------- */
label { font-weight: 600; font-size: .9rem; display: block; margin-bottom: .25rem; }
.o { margin-bottom: .9rem; }
.o .goi-y { font-size: .8rem; color: var(--chu-phu); margin-top: .2rem; }
.o .loi, .loi-o { color: var(--do); font-size: .82rem; margin-top: .2rem; }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=datetime-local], input[type=search], input[type=url], input[type=email], select, textarea {
  width: 100%; border: 1px solid #cbd5d0; border-radius: 8px; padding: .5rem .65rem; font: inherit; background: #fff; color: var(--chu);
}
textarea { min-height: 5.5rem; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid #86efac; outline-offset: 0; border-color: var(--chinh); }
.o-chon { display: inline-flex; align-items: center; gap: .35rem; font-weight: 500; margin: 0 .9rem .35rem 0; cursor: pointer; }
.o-chon input { width: 1.05rem; height: 1.05rem; accent-color: var(--chinh); }
.thanh-loc { display: flex; gap: .6rem; flex-wrap: wrap; align-items: flex-end; }
.thanh-loc .o { margin: 0; }
.thanh-loc input[type=search] { min-width: 260px; }
.thanh-loc select { width: auto; min-width: 140px; }

/* ---------------- Bảng ---------------- */
.bang-boc { overflow-x: auto; border: 1px solid var(--vien); border-radius: var(--bo); background: #fff; }
table.bang { width: 100%; border-collapse: collapse; font-size: .92rem; }
.bang th { text-align: left; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--chu-phu); background: #f8faf9; padding: .55rem .7rem; border-bottom: 1px solid var(--vien); white-space: nowrap; }
.bang td { padding: .55rem .7rem; border-bottom: 1px solid #e9eeeb; vertical-align: top; }
.bang tr:last-child td { border-bottom: 0; }
.bang tr:hover td { background: #f9fbfa; }
.bang tr.da-chon td { background: var(--chinh-nhat); }
.bang tr.mo-di td { color: #94a3b8; }
.bang .chon { width: 2rem; }
.bang .so { text-align: right; white-space: nowrap; }
.bang .hd { white-space: nowrap; text-align: right; }
.cat-dong { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------------- Nhãn nhỏ ---------------- */
.the-nho { display: inline-block; font-size: .75rem; font-weight: 600; padding: .05rem .5rem; border-radius: 99px; background: var(--go-nhat); color: var(--go); white-space: nowrap; }
.the-nho.xanh-la { background: var(--chinh-nhat); color: var(--chinh); }
.the-nho.do { background: var(--do-nhat); color: var(--do); }
.the-nho.vang { background: var(--vang-nhat); color: var(--vang); }
.the-nho.xanh { background: var(--xanh-nhat); color: var(--xanh); }
.the-nho.xam { background: #eef2f0; color: #64748b; }

/* ---------------- Thông báo trên trang ---------------- */
.bao { border-radius: var(--bo); padding: .7rem 1rem; margin-bottom: 1rem; border: 1px solid; }
.bao.tot { background: var(--chinh-nhat); border-color: #bbf7d0; color: #14532d; }
.bao.loi { background: var(--do-nhat); border-color: #efc7c1; color: #7d241c; }
.bao.chu-y { background: var(--vang-nhat); border-color: #efd9a8; color: #6d4a0e; }
.bao.tin { background: var(--xanh-nhat); border-color: #c4d7ef; color: #1f4d80; }
.bao ul { margin: .3rem 0 0; padding-left: 1.2rem; }

/* ---------------- Thanh thao tác hàng loạt ---------------- */
.thanh-hang-loat {
  position: sticky; bottom: 1rem; z-index: 5; display: none; align-items: center; gap: .6rem; flex-wrap: wrap;
  background: #0f3d21; color: #fff; border-radius: 12px; padding: .6rem .9rem; margin-top: 1rem; box-shadow: 0 6px 24px rgba(0,0,0,.18);
}
.thanh-hang-loat.hien { display: flex; }
.thanh-hang-loat select, .thanh-hang-loat input { width: auto; padding: .35rem .5rem; }
.thanh-hang-loat .nut { padding: .38rem .75rem; }
.thanh-hang-loat .dem { font-weight: 700; margin-right: .3rem; }

/* ---------------- Phân trang ---------------- */
.phan-trang { display: flex; gap: .3rem; align-items: center; flex-wrap: wrap; margin-top: .9rem; }
.phan-trang a, .phan-trang span { padding: .3rem .65rem; border-radius: 7px; border: 1px solid var(--vien); background: #fff; color: var(--chu); font-size: .9rem; }
.phan-trang .dang { background: var(--chinh); color: #fff; border-color: var(--chinh); }
.phan-trang .tong { border: 0; background: none; color: var(--chu-phu); margin-left: auto; }

/* ---------------- Xem trước như trên điện thoại ---------------- */
.dien-thoai { width: 320px; max-width: 100%; border-radius: 26px; border: 8px solid #2b2b28; background: linear-gradient(#166534, #0f3d21); padding: 1rem .8rem 1.2rem; color: #fff; margin: 0 auto; }
.dien-thoai .cau { background: #f7ead3; color: #3a2a14; border-radius: 12px; padding: .8rem; font-weight: 600; text-align: center; border: 2px solid #b98a4e; }
.dien-thoai .dap-an { margin-top: .5rem; background: #fff7ea; color: #3a2a14; border-radius: 10px; padding: .5rem .7rem; border: 2px solid #d4b080; }
.dien-thoai .dap-an.dung { background: #dcfce7; border-color: #16a34a; }
.dien-thoai .giai-thich { margin-top: .7rem; font-size: .85rem; background: rgba(0,0,0,.25); border-radius: 10px; padding: .6rem; white-space: pre-wrap; }
.hop-tb { background: #f7ead3; color: #3a2a14; border-radius: 14px; border: 3px solid #8a5a2b; overflow: hidden; }
.hop-tb .dai { background: #8a5a2b; color: #fff; padding: .5rem .8rem; font-weight: 700; display: flex; gap: .5rem; align-items: center; }
.hop-tb .live { background: #d93025; color: #fff; font-size: .7rem; padding: .05rem .4rem; border-radius: 4px; }
.hop-tb .anh { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; background: #d8c6a6; }
.hop-tb .than { padding: .8rem; font-size: .9rem; white-space: pre-wrap; }
.hop-tb .o-tt { display: flex; gap: .5rem; margin-top: .6rem; }
.hop-tb .o-tt div { flex: 1; background: #fff7ea; border: 1px solid #d4b080; border-radius: 8px; padding: .35rem .5rem; font-size: .8rem; }
.hop-tb .o-tt b { display: block; font-size: .95rem; }
.hop-tb .nut-tb { margin: .2rem .8rem .9rem; display: block; text-align: center; background: #15803d; color: #fff; border-radius: 10px; padding: .55rem; font-weight: 700; }

/* ---------------- Tab ---------------- */
.tab { display: flex; gap: .3rem; border-bottom: 1px solid var(--vien); margin-bottom: 1rem; flex-wrap: wrap; }
.tab a { padding: .5rem .9rem; color: var(--chu-phu); border-bottom: 2px solid transparent; margin-bottom: -1px; font-weight: 600; }
.tab a.dang { color: var(--chinh); border-color: var(--chinh); }
.tab a:hover { text-decoration: none; color: var(--chu); }

/* Chọn mẫu thông báo */
.chon-mau { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; margin-bottom: 1rem; }
.chon-mau label { border: 2px solid var(--vien); border-radius: 10px; padding: .7rem; cursor: pointer; font-weight: 500; margin: 0; background: #fff; }
.chon-mau input { position: absolute; opacity: 0; pointer-events: none; }
.chon-mau label:has(input:checked) { border-color: var(--chinh); background: var(--chinh-nhat); }
.chon-mau b { display: block; margin-bottom: .15rem; }
.an { display: none !important; }

/* Đăng nhập */
.trang-trong { min-height: 100vh; display: grid; place-items: center; padding: 1rem; background: radial-gradient(circle at 20% 10%, #ecfdf3, var(--nen) 60%); }
.hop-dang-nhap { width: 380px; max-width: 100%; }
.hop-dang-nhap .logo-chu { width: 48px; height: 48px; border-radius: 12px; background: #c99a5b; color: #2a1b0b; display: grid; place-items: center; font-size: 1.4rem; margin-bottom: .6rem; }

/* Bộ chọn câu hỏi trong đề thi */
.ds-cau { list-style: none; margin: 0; padding: 0; counter-reset: cau; }
.ds-cau li { display: flex; gap: .6rem; align-items: flex-start; padding: .45rem .5rem; border-bottom: 1px solid #e9eeeb; counter-increment: cau; }
.ds-cau li::before { content: counter(cau); min-width: 1.6rem; color: var(--chu-phu); font-variant-numeric: tabular-nums; }
.ds-cau li .ma { font-family: ui-monospace, Consolas, monospace; font-size: .85rem; color: var(--go); min-width: 6.5rem; }
.ds-cau li .tieu-de { flex: 1; }
.ds-cau li.thieu { background: var(--do-nhat); }
.ket-qua-tim { max-height: 340px; overflow-y: auto; border: 1px solid var(--vien); border-radius: 8px; margin-top: .5rem; }
.ket-qua-tim button { display: flex; align-items: flex-start; gap: .6rem; width: 100%; text-align: left; border: 0; border-bottom: 1px solid #e9eeeb; background: #fff; padding: .45rem .6rem; font: inherit; cursor: pointer; }
.ket-qua-tim button:hover { background: var(--chinh-nhat); }
.ket-qua-tim button[disabled] { opacity: .45; cursor: default; }

/* Trang sửa: cột nội dung + cột xem trước; màn hẹp thì xếp chồng */
.hai-cot { display: grid; gap: 1rem; grid-template-columns: minmax(0, 1fr) 340px; align-items: start; }
.hai-cot-deu { display: grid; gap: 1rem; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); align-items: start; }
.dinh { position: sticky; top: 1rem; }

@media (max-width: 1100px) {
  .hai-cot-deu { grid-template-columns: 1fr; }
  .hai-cot-deu .dinh { position: static; }
  .luoi-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .luoi-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 980px) {
  .hai-cot { grid-template-columns: 1fr; }
  .hai-cot .dinh { position: static; }
}
@media (max-width: 820px) {
  .khung { grid-template-columns: 1fr; }
  .menu { position: fixed; inset: 0 auto 0 0; width: 250px; z-index: 20; transform: translateX(-100%); transition: transform .2s; }
  .menu.mo-ra { transform: none; }
  .nut.nut-menu { display: inline-flex; margin-bottom: .8rem; }
  .noi-dung { padding: 1rem; }
  .luoi-2, .luoi-3, .luoi-4 { grid-template-columns: 1fr; }
  .chon-mau { grid-template-columns: 1fr; }
}