/* =========================================================
   Việc của Sinh — giao diện
   Sáng: màu Cuốn Sinh (xanh #028141, cam #F36E21)
   Tối:  xanh rêu đậm (theo bản phác thảo)
   ========================================================= */
:root {
  --nen-ngoai: #eef3ee;
  --nen-ben: #ffffff;
  --nen-chinh: #f6f9f5;
  --the: #ffffff;
  --the-noi: #e3f2e8;
  --the-noi-vien: #b9dcc6;
  --tab-chon: #dcefe3;
  --vien: #dde7df;
  --vien-dam: #c4d3c8;
  --chu: #13241a;
  --chu-phu: #4a6152;
  --chu-mo: #7b8f81;
  --nhan: #028141;             /* xanh Cuốn Sinh: link, nhãn */
  --nut-chinh: #e2611c;        /* cam Cuốn Sinh (đậm hơn chút để chữ trắng dễ đọc) */
  --nut-chinh-chu: #ffffff;
  --nut-phu: #028141;
  --nut-phu-chu: #ffffff;
  --cam: #b8500f;
  --cam-nen: #fde9dc;
  --tim: #5b3fb0;
  --tim-nen: #ece7fb;
  --xanh: #026b37;
  --xanh-nen: #dff1e6;
  --xam: #5c625e;
  --xam-nen: #eaedeb;
  --do: #b42318;
  --do-nen: #fdecea;
  --thanh: #028141;
  --thanh-nen: #dbe6de;
  --bong: 0 1px 2px rgba(10, 40, 20, .04), 0 2px 10px rgba(10, 40, 20, .04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --nen-ngoai: #0b130e;
    --nen-ben: #111c16;
    --nen-chinh: #142019;
    --the: #17241d;
    --the-noi: #2c4836;
    --the-noi-vien: #3a5c46;
    --tab-chon: #26392e;
    --vien: #24362b;
    --vien-dam: #34493c;
    --chu: #e9f2ec;
    --chu-phu: #a3b9aa;
    --chu-mo: #6f8878;
    --nhan: #93dbb0;
    --nut-chinh: #e3f4e8;
    --nut-chinh-chu: #10241a;
    --nut-phu: #e3f4e8;
    --nut-phu-chu: #10241a;
    --cam: #f3a861;
    --cam-nen: #3b2a17;
    --tim: #c7b8ff;
    --tim-nen: #2b2543;
    --xanh: #93dbb0;
    --xanh-nen: #1d3527;
    --xam: #b3bab5;
    --xam-nen: #262d29;
    --do: #ff9384;
    --do-nen: #3a1f1b;
    --thanh: #93dbb0;
    --thanh-nen: #2a3b31;
    --bong: none;
  }
}

/* ===== Nền tảng ===== */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--nen-ngoai); color: var(--chu);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--nhan); }
h1, h2, h3, p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
.dang-tai { text-align: center; color: var(--chu-phu); padding: 64px 16px; }
.an { display: none !important; }

.nhan-nho {
  font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--chu-mo);
}

/* ===== Bố cục 3 cột ===== */
/* Mở chi tiết: bảng chi tiết rộng hơn danh sách (chi tiết cần nhiều chỗ hơn) */
.khung-app {
  display: grid; grid-template-columns: 236px minmax(340px, 1fr) minmax(480px, 1.35fr); min-height: 100vh;
}
/* Chưa chọn việc: không có bảng chi tiết, danh sách dùng hết chỗ */
.khung-app.khong-panel { grid-template-columns: 236px minmax(0, 1fr); }
.khung-app.khong-panel .panel { display: none; }
/* Thu nhỏ: bảng chi tiết còn một dải hẹp bên phải */
.khung-app.thu-nho { grid-template-columns: 236px minmax(0, 1fr) 52px; }

.ben-trai {
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  background: var(--nen-ben); border-right: 1px solid var(--vien);
  display: flex; flex-direction: column; padding: 22px 14px 16px;
}
.giua { min-width: 0; background: var(--nen-chinh); }
.panel {
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  background: var(--nen-ben); border-left: 1px solid var(--vien);
}
.panel-dau {
  position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 10px;
  padding: 12px 16px 12px 28px; min-height: 62px;
  background: var(--nen-ben); border-bottom: 1px solid var(--vien);
}
.nut-panel { margin-left: auto; display: flex; gap: 4px; }
.nut-icon {
  width: 34px; height: 34px; display: grid; place-items: center; border-radius: 8px;
  border: 1px solid transparent; background: none; cursor: pointer; color: var(--chu-phu);
  font-size: 20px; line-height: 1;
}
.nut-icon:hover { background: var(--tab-chon); color: var(--chu); }
.nut-icon:focus-visible { outline: 2px solid color-mix(in srgb, var(--nhan) 65%, transparent); }
.panel-noi { padding: 22px 28px 48px; }

.dai-thu-nho {
  height: 100%; display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 12px 0; cursor: pointer;
}
.dai-thu-nho:hover { background: var(--tab-chon); }
.ten-doc {
  writing-mode: vertical-rl; margin-top: 10px; font-size: 13px; font-weight: 600; color: var(--chu-phu);
  max-height: 60vh; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

@media (max-width: 1099px) {
  .khung-app, .khung-app.khong-panel, .khung-app.thu-nho { grid-template-columns: 220px minmax(0, 1fr); }
  .panel { display: none; }
  .khung-app.dang-xem .giua { display: none; }
  .khung-app.dang-xem .panel { display: block; position: static; height: auto; border-left: 0; }
  .nut-panel .nut-icon:first-child { display: none; } /* màn hẹp không cần thu nhỏ */
  .panel-dau { padding-left: 20px; }
}
@media (max-width: 899px) {
  .khung-app, .khung-app.khong-panel, .khung-app.thu-nho { grid-template-columns: minmax(0, 1fr); }
  .ben-trai { display: none; }
  .panel-dau { padding: max(10px, env(safe-area-inset-top)) 10px 10px 16px; }
  .panel-noi { padding: 18px 16px 60px; }
}

/* ===== Thanh bên trái ===== */
.thuong-hieu { display: flex; gap: 10px; align-items: center; padding: 0 6px 18px; text-decoration: none; color: var(--chu); }
.logo { flex: none; display: block; width: 36px; height: 36px; border-radius: 9px; }
.thuong-hieu b { display: block; font-size: 17px; line-height: 1.2; }
.thuong-hieu small { display: block; font-size: 11px; color: var(--chu-mo); }

.khoi-khong-gian {
  display: flex; gap: 10px; align-items: center; padding: 12px 6px; margin-bottom: 14px;
  border-top: 1px solid var(--vien); border-bottom: 1px solid var(--vien);
}
.anh-dai-dien {
  flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: var(--tab-chon); color: var(--chu); font-weight: 700; font-size: 13px; text-decoration: none;
}
.khoi-khong-gian b { display: block; font-size: 13px; }
.khoi-khong-gian small { display: block; font-size: 12px; color: var(--chu-mo); }

.dieu-huong { display: grid; gap: 2px; }
.muc-dh {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 9px 12px; border-radius: 9px; border: 0; background: none; cursor: pointer;
  color: var(--chu-phu); text-align: left; font-size: 14px; width: 100%;
}
.muc-dh:hover { background: var(--tab-chon); color: var(--chu); }
.muc-dh[aria-current="true"] { background: var(--tab-chon); color: var(--chu); font-weight: 600; }
.muc-dh .so-dem { font-size: 12px; color: var(--chu-mo); }
.muc-dh.co-viec .so-dem { color: var(--cam); font-weight: 700; }

.tieu-de-nhom { margin: 22px 12px 8px; }
.muc-kg::before {
  content: ""; width: 9px; height: 9px; border: 1.5px solid currentColor; border-radius: 2px; margin-right: 8px; flex: none; opacity: .7;
}
.muc-kg { justify-content: flex-start; }
.muc-kg .so-dem { margin-left: auto; }

.chan-ben { margin-top: auto; padding: 18px 8px 0; display: grid; gap: 10px; font-size: 12px; color: var(--chu-mo); }
.chan-ben a { color: var(--chu-phu); text-decoration: none; font-size: 13px; }
.chan-ben a:hover { color: var(--chu); }

/* ===== Cột giữa ===== */
.giua-tren {
  display: flex; align-items: center; gap: 12px; padding: 14px 28px;
  border-bottom: 1px solid var(--vien); min-height: 62px;
}
.duong-dan { font-size: 13px; color: var(--chu-phu); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.duong-dan span { color: var(--chu-mo); margin: 0 8px; }
.giua-tren .o-tim { margin-left: auto; max-width: 260px; min-height: 36px; padding: 6px 12px; font-size: 14px; }
.logo-dd { display: none; }

.giua-noi { padding: 28px 28px 60px; }

.dau-trang { display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; }
.dau-trang h1 { font-size: 34px; letter-spacing: -.02em; margin-top: 8px; }
.dau-trang .phu { color: var(--chu-phu); margin-top: 6px; }
.thong-ke { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 18px; font-size: 13px; color: var(--chu-phu); }
.thong-ke span::before { content: "●"; font-size: 8px; vertical-align: 2px; margin-right: 6px; color: var(--nhan); }
.thong-ke b { color: var(--chu); }

.goi-y {
  margin-top: 26px; padding: 22px 24px; border-radius: 14px;
  background: var(--the-noi); border: 1px solid var(--the-noi-vien);
}
.goi-y .dong-dau { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.goi-y h2 { font-size: 19px; margin-top: 12px; }
.goi-y p { color: var(--chu-phu); margin-top: 6px; font-size: 14px; }
.goi-y a { display: inline-block; margin-top: 14px; font-weight: 600; text-decoration: none; font-size: 14px; }
.goi-y a:hover { text-decoration: underline; }

.dau-ds { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.dau-ds h2 { font-size: 17px; }
.dau-ds small { font-size: 12px; color: var(--chu-mo); }

.cac-tab { display: flex; gap: 6px; margin: 14px 0 14px; overflow-x: auto; scrollbar-width: none; }
.cac-tab::-webkit-scrollbar { display: none; }
.tab {
  flex: none; border: 0; background: none; padding: 6px 10px; border-radius: 8px; cursor: pointer;
  color: var(--chu-phu); font-size: 13px;
}
.tab:hover { color: var(--chu); }
.tab[aria-selected="true"] { background: var(--tab-chon); color: var(--chu); font-weight: 600; }
.tab .so-dem { margin-left: 6px; color: var(--chu-mo); }

.chip-kg { display: none; gap: 6px; overflow-x: auto; margin-top: 18px; scrollbar-width: none; }
.chip-kg::-webkit-scrollbar { display: none; }
.chip {
  flex: none; border: 1px solid var(--vien); background: var(--the); border-radius: 999px;
  padding: 5px 12px; font-size: 13px; cursor: pointer; color: var(--chu-phu);
}
.chip[aria-pressed="true"] { background: var(--chu); color: var(--nen-chinh); border-color: var(--chu); }

/* ===== Thẻ việc ===== */
.ds-the { display: grid; gap: 10px; }
.the {
  background: var(--the); border: 1px solid var(--vien); border-radius: 12px; padding: 16px 18px;
  cursor: pointer; box-shadow: var(--bong); transition: border-color .15s;
}
.the:hover { border-color: var(--vien-dam); }
.the.chon { border-color: var(--nhan); box-shadow: 0 0 0 1px var(--nhan); }
.the .dong-dau { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.the h3 { font-size: 16px; margin-top: 8px; }
.the h3 a { color: var(--chu); text-decoration: none; }
.the .tiep-theo { margin-top: 6px; font-size: 14px; color: var(--chu-phu); }
.the .tiep-theo b { color: var(--chu); font-weight: 500; }
.the .vuong-nho { margin-top: 4px; font-size: 13px; color: var(--do); }
.the .dong-cuoi { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: 12px; font-size: 12px; color: var(--chu-mo); }
.trong { color: var(--chu-mo); padding: 22px; border: 1px dashed var(--vien-dam); border-radius: 12px; text-align: center; }

.huy-hieu { flex: none; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 6px; white-space: nowrap; }
.hh-cam { color: var(--cam); background: var(--cam-nen); }
.hh-tim { color: var(--tim); background: var(--tim-nen); }
.hh-xanh { color: var(--xanh); background: var(--xanh-nen); }
.hh-xam { color: var(--xam); background: var(--xam-nen); }
.hh-cam-vien { color: var(--cam); border: 1px solid currentColor; padding: 1px 7px; }

.tien-do { display: flex; align-items: center; gap: 10px; }
.thanh { width: 56px; height: 4px; background: var(--thanh-nen); border-radius: 99px; overflow: hidden; flex: none; }
.thanh > i { display: block; height: 100%; background: var(--thanh); border-radius: 99px; }
.tien-do.rong .thanh { width: auto; flex: 1; height: 6px; }

/* ===== Nút và ô nhập ===== */
.nut {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 38px; padding: 7px 14px; border-radius: 9px; cursor: pointer;
  border: 1px solid var(--vien-dam); background: transparent; color: var(--chu);
  font-weight: 600; font-size: 14px; text-decoration: none; white-space: nowrap;
}
.nut:hover { border-color: var(--chu-mo); }
.nut:disabled { opacity: .55; cursor: wait; }
.nut.chinh { background: var(--nut-chinh); border-color: var(--nut-chinh); color: var(--nut-chinh-chu); }
.nut.phu { background: var(--nut-phu); border-color: var(--nut-phu); color: var(--nut-phu-chu); }
.nut.rong { width: 100%; }
.nut.nho { min-height: 32px; padding: 4px 10px; font-size: 13px; }
.nut.nguy-hiem { color: var(--do); border-color: color-mix(in srgb, var(--do) 45%, transparent); }

input[type=text], input[type=search], input[type=password], input[type=url], select, textarea {
  width: 100%; min-height: 40px; padding: 8px 12px; border-radius: 9px;
  border: 1px solid var(--vien-dam); background: var(--the);
}
textarea { min-height: 70px; resize: vertical; }
input:focus, select:focus, textarea:focus, .nut:focus-visible, .tab:focus-visible, .muc-dh:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--nhan) 65%, transparent); outline-offset: 1px;
}
label { display: block; font-weight: 600; font-size: 13px; margin: 14px 0 6px; }
.goi-y-nho { font-weight: 400; color: var(--chu-mo); font-size: 12px; }
.hang { display: flex; gap: 12px; flex-wrap: wrap; }
.hang > * { flex: 1 1 160px; }
.hang-nut { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

/* ===== Bảng chi tiết (cột phải) ===== */
/* "← Danh sách" chỉ hiện khi bảng chi tiết thay chỗ danh sách (màn hẹp) */
.quay-lai { display: none; text-decoration: none; font-size: 14px; font-weight: 600; white-space: nowrap; }
@media (max-width: 1099px) {
  .dang-xem .quay-lai { display: inline-block; }
  .panel-dau .nhan-nho { display: none; }
}

.panel h2.ten-viec { font-size: 22px; letter-spacing: -.01em; margin-top: 12px; }
.panel .phu-trach { font-size: 13px; color: var(--chu-phu); margin-top: 8px; }
.panel .meta { font-size: 12px; color: var(--chu-mo); margin-top: 4px; }
.muc { border-top: 1px solid var(--vien); padding-top: 16px; margin-top: 18px; }
.muc > h3 { font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.muc > h3 .so-dem { color: var(--chu-mo); font-weight: 500; }
.muc p.van-ban { font-size: 14px; color: var(--chu-phu); white-space: pre-wrap; }

.hop-lam-tiep {
  margin-top: 14px; padding: 14px 16px; border-radius: 12px;
  background: var(--the-noi); border: 1px solid var(--the-noi-vien);
}
.hop-lam-tiep .nhan-nho { color: var(--nhan); }
.hop-lam-tiep p { margin-top: 6px; font-size: 15px; font-weight: 600; white-space: pre-wrap; }
.hop-vuong {
  margin-top: 10px; padding: 12px 16px; border-radius: 12px; background: var(--do-nen); color: var(--do); font-size: 14px;
}
.hop-vuong b { display: block; font-size: 12px; margin-bottom: 2px; }

.ds-moc, .ds-tai-lieu { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.moc { display: flex; align-items: flex-start; gap: 4px; border-radius: 8px; }
.moc:hover { background: var(--tab-chon); }
.moc label { flex: 1; display: flex; gap: 10px; align-items: flex-start; margin: 0; padding: 6px 8px; font-weight: 400; font-size: 14px; cursor: pointer; }
.moc input { margin-top: 3px; width: 16px; height: 16px; accent-color: var(--nhan); flex: none; }
.moc.xong span { color: var(--chu-mo); text-decoration: line-through; }
.nut-xoa {
  flex: none; border: 0; background: none; color: var(--chu-mo); cursor: pointer; font-size: 18px; line-height: 1;
  padding: 6px 8px; border-radius: 6px; opacity: 0;
}
.moc:hover .nut-xoa, .tai-lieu:hover .nut-xoa, .nut-xoa:focus-visible { opacity: 1; }
@media (hover: none) { .nut-xoa { opacity: .6; } }
.nut-xoa:hover { color: var(--do); }
.them-dong { display: flex; gap: 6px; margin-top: 8px; }
.them-dong input { min-height: 34px; padding: 5px 10px; font-size: 14px; }

.tai-lieu { display: flex; align-items: center; gap: 4px; border-radius: 8px; }
.tai-lieu:hover { background: var(--tab-chon); }
.tai-lieu a { flex: 1; min-width: 0; padding: 6px 8px; text-decoration: none; color: var(--chu); font-size: 14px; font-weight: 500; }
.tai-lieu a small { display: block; color: var(--chu-mo); font-weight: 400; font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
details.them-tl summary, details.gap summary { cursor: pointer; font-size: 13px; color: var(--nhan); font-weight: 600; margin-top: 8px; }

.cap-nhat-moi { font-size: 14px; color: var(--chu-phu); white-space: pre-wrap; }
.cap-nhat-moi .ai-ghi { display: block; font-size: 12px; color: var(--chu-mo); margin-bottom: 2px; }
.cap-nhat-moi .ai-ghi b { color: var(--chu); font-weight: 600; }

.dong-thoi-gian { list-style: none; padding: 0; margin: 10px 0 0; }
.dong-thoi-gian li { border-left: 2px solid var(--vien); padding: 0 0 14px 14px; position: relative; font-size: 13px; }
.dong-thoi-gian li::before {
  content: ""; position: absolute; left: -6px; top: 5px; width: 10px; height: 10px; border-radius: 50%;
  background: var(--nen-ben); border: 2px solid var(--nhan);
}
.dong-thoi-gian li.ai::before { background: var(--tim); border-color: var(--tim); }
.ls-dau { color: var(--chu-mo); }
.ls-dau b { color: var(--chu); }
.ls-noi-dung { margin-top: 2px; white-space: pre-wrap; color: var(--chu-phu); }
.ls-noi-dung span { color: var(--chu-mo); }

details.muc > summary { cursor: pointer; font-size: 13px; font-weight: 700; list-style: none; }
details.muc > summary::-webkit-details-marker { display: none; }
details.muc > summary::after { content: " ▸"; color: var(--chu-mo); }
details.muc[open] > summary::after { content: " ▾"; }
.vung-xoa { margin-top: 26px; text-align: center; }

/* ===== Trang cài đặt ===== */
.hop { background: var(--the); border: 1px solid var(--vien); border-radius: 14px; padding: 18px 20px; margin-top: 18px; max-width: 640px; }
.hop h2 { font-size: 16px; }
.hop .van-ban { font-size: 14px; color: var(--chu-phu); margin-top: 12px; }
.khoa-moi {
  margin-top: 14px; padding: 14px 16px; border-radius: 12px;
  background: var(--cam-nen); border: 1px solid color-mix(in srgb, var(--cam) 40%, transparent);
}
.khoa-moi > b { color: var(--cam); font-size: 14px; }
.khoa-moi input { font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.ds-khoa { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }
.ds-khoa li {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 12px; border: 1px solid var(--vien); border-radius: 10px;
}
.ds-khoa li small { display: block; color: var(--chu-mo); font-size: 12px; }
.ds-khoa li.da-thu-hoi { opacity: .55; }
.ds-khoa li.da-thu-hoi b { text-decoration: line-through; }
.dau-hop { display: flex; justify-content: space-between; align-items: center; gap: 12px; }

/* ===== Trang hướng dẫn kết nối ===== */
.huong-dan { max-width: 820px; }
.huong-dan .hop { max-width: none; }
.phu-hd { color: var(--chu-phu); margin-top: 6px; }
.bao {
  margin-top: 16px; padding: 12px 16px; border-radius: 12px; font-size: 14px; color: var(--chu-phu);
  background: var(--the); border: 1px dashed var(--vien-dam);
}
.bao-xanh { background: var(--the-noi); border: 1px solid var(--the-noi-vien); color: var(--chu); }
.muc-hd > summary { display: flex; gap: 12px; align-items: center; cursor: pointer; list-style: none; }
.muc-hd > summary::-webkit-details-marker { display: none; }
.muc-hd > summary::after { content: "▸"; margin-left: auto; color: var(--chu-mo); }
.muc-hd[open] > summary::after { content: "▾"; }
.muc-hd .bieu-tuong { font-size: 22px; flex: none; }
.muc-hd summary b { display: block; font-size: 16px; }
.muc-hd summary small { display: block; font-size: 13px; color: var(--chu-mo); }
.than-hd { margin-top: 14px; font-size: 14px; }
.than-hd > p { margin-top: 10px; color: var(--chu-phu); }
.than-hd h3 { font-size: 14px; margin-top: 16px; }
.cac-buoc { margin: 8px 0 0; padding-left: 22px; display: grid; gap: 6px; color: var(--chu-phu); }
.cac-buoc b { color: var(--chu); }
.ma-ngan {
  font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; padding: 1px 6px; border-radius: 5px;
  background: var(--tab-chon); color: var(--chu); word-break: break-word;
}
.khoi-ma { display: flex; gap: 8px; align-items: flex-start; margin-top: 8px; }
.khoi-ma pre {
  flex: 1; min-width: 0; margin: 0; padding: 10px 12px; border-radius: 9px; overflow-x: auto;
  background: var(--nen-chinh); border: 1px solid var(--vien-dam);
  font: 12.5px/1.55 ui-monospace, Consolas, monospace; white-space: pre-wrap; word-break: break-all;
}
.khoi-ma .nut { flex: none; }
.bang-hd { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 13px; }
.bang-hd th, .bang-hd td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--vien); vertical-align: top; }
.bang-hd th { color: var(--chu-mo); font-weight: 600; }

/* ===== Đăng nhập ===== */
.dang-nhap { max-width: 380px; margin: 14vh auto 0; padding: 0 16px; }
.dang-nhap .thuong-hieu { padding: 0 0 22px; }
.dang-nhap h1 { font-size: 26px; }
.dang-nhap p { color: var(--chu-phu); margin-top: 4px; }
.loi { color: var(--do); margin-top: 10px; min-height: 1.5em; font-size: 14px; }

/* ===== Điện thoại ===== */
@media (max-width: 899px) {
  .giua-tren { padding: max(12px, env(safe-area-inset-top)) 16px 12px; flex-wrap: wrap; }
  .logo-dd { display: flex; gap: 8px; align-items: center; text-decoration: none; color: var(--chu); font-weight: 700; }
  .logo-dd .logo { width: 30px; height: 30px; border-radius: 8px; }
  .duong-dan { display: none; }
  .giua-tren .o-tim { order: 3; max-width: none; flex: 1 1 100%; margin-left: 0; }
  .giua-tren .anh-dai-dien { margin-left: auto; }
  .giua-noi { padding: 20px 16px 60px; }
  .dau-trang h1 { font-size: 27px; }
  .chip-kg { display: flex; }
  .goi-y { padding: 18px; }
}

/* ===== Thông báo nhỏ ===== */
#thong-bao {
  position: fixed; left: 50%; bottom: max(20px, env(safe-area-inset-bottom)); transform: translateX(-50%);
  background: var(--chu); color: var(--nen-chinh); padding: 10px 16px; border-radius: 10px;
  font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .2s; max-width: calc(100% - 32px); z-index: 20;
}
#thong-bao.hien { opacity: 1; }
#thong-bao.loi-tb { background: var(--do); color: #fff; }

/* ===== Trợ lý mây cam ===== */
.tl-may {
  position: fixed; z-index: 15; width: 66px; cursor: grab; user-select: none; -webkit-user-select: none;
  touch-action: none; -webkit-tap-highlight-color: transparent; outline: none;
}
.tl-may:focus-visible .tl-nay { outline: 2px solid color-mix(in srgb, var(--nhan) 65%, transparent); outline-offset: 4px; border-radius: 40%; }
.tl-may.dang-keo { cursor: grabbing; }
.tl-nay { transition: transform .38s cubic-bezier(.34, 1.9, .5, 1); transform-origin: 50% 55%; }
.tl-may.bam .tl-nay { transform: scale(.6); transition: transform .18s ease-out; }
.tl-may svg { display: block; width: 100%; overflow: visible; filter: drop-shadow(0 4px 6px rgba(0, 0, 0, .16)); }
.tl-than { fill: #ff6200; }
.tl-mat { fill: #0a3dff; transform-box: fill-box; transform-origin: center; transition: transform .2s cubic-bezier(.3, 1.6, .5, 1); }
.tl-hai-mat { transition: transform .25s cubic-bezier(.3, 1.5, .5, 1); }
.tl-cuoi { display: none; fill: none; stroke: #0a3dff; stroke-width: 3.4; stroke-linecap: round; }
.tl-lac { transform-origin: 60px 58px; animation: tl-lac 3s ease-in-out infinite; }
@keyframes tl-lac {
  0%, 100% { transform: translate(-1.5px, 1px) rotate(-2.5deg) scale(1.1); }
  50% { transform: translate(1.5px, -1px) rotate(2.5deg) scale(1.1); }
}
.tl-vien-nen { fill: none; stroke: #f9cdb6; stroke-opacity: .55; stroke-width: 1.2; }
.tl-duoi { fill: none; stroke: #f7b08c; stroke-opacity: .14; stroke-width: 1.8; animation: tl-chay 2.6s linear infinite; }
@keyframes tl-chay { from { stroke-dashoffset: var(--l); } to { stroke-dashoffset: calc(var(--l) - 100); } }
.tl-may.ro .tl-mat { transform: scale(1.3); }
.tl-may.chop .tl-mat { transform: scaleY(.08); }
.tl-may.nghi .tl-nay { animation: tl-nhun .6s ease-in-out infinite; }
.tl-may.nghi .tl-duoi { animation-duration: 1s; }
@keyframes tl-nhun { 50% { transform: translateY(-6px) scale(1.04, .96); } }
.tl-may.vui .tl-mat { display: none; }
.tl-may.vui .tl-cuoi { display: inline; }
.tl-may.loi .tl-mat { transform: translateY(3px) scaleY(.5); }
@media (prefers-reduced-motion: reduce) {
  .tl-lac, .tl-duoi, .tl-may.nghi .tl-nay { animation: none; }
  .tl-lac { transform: scale(1.1); }
  .tl-hai-mat, .tl-nay { transition: none; }
}

.tl-khung {
  position: fixed; z-index: 16; width: 380px; height: min(540px, calc(100vh - 32px));
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--nen-ben); border: 1px solid var(--vien-dam); border-radius: 16px;
  box-shadow: 0 12px 40px rgba(10, 30, 18, .18), 0 2px 8px rgba(10, 30, 18, .08);
}
.tl-dau { display: flex; align-items: center; gap: 10px; padding: 10px 10px 10px 14px; border-bottom: 1px solid var(--vien); }
.tl-anh-nho { width: 34px; flex: none; }
.tl-anh-nho svg { display: block; width: 100%; }
.tl-ten { flex: 1; min-width: 0; }
.tl-ten b { display: block; font-size: 15px; line-height: 1.2; }
.tl-ten small { display: block; font-size: 12px; color: var(--chu-mo); }
.tl-ds-tin { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; overscroll-behavior: contain; }
.tl-chao p { font-size: 14px; color: var(--chu-phu); }
.tl-goi-y { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.tl-chip {
  border: 1px solid var(--the-noi-vien); background: var(--the-noi); color: var(--chu); border-radius: 999px;
  padding: 6px 12px; font-size: 13px; cursor: pointer; text-align: left;
}
.tl-chip:hover { border-color: var(--nhan); }
.tl-tin { max-width: 88%; padding: 9px 12px; border-radius: 14px; font-size: 14px; line-height: 1.5; overflow-wrap: anywhere; }
.tl-tu-toi { align-self: flex-end; background: var(--nut-phu); color: var(--nut-phu-chu); border-bottom-right-radius: 4px; white-space: pre-wrap; }
.tl-tin.tl-tu-may { align-self: flex-start; background: var(--the); border: 1px solid var(--vien); border-bottom-left-radius: 4px; }
.tl-tin.tl-tu-may p + p, .tl-tin.tl-tu-may p + ul, .tl-tin.tl-tu-may p + ol, .tl-tin.tl-tu-may ul + p, .tl-tin.tl-tu-may ol + p { margin-top: 8px; }
.tl-tin.tl-tu-may ul, .tl-tin.tl-tu-may ol { margin: 0; padding-left: 20px; }
.tl-tin.tl-tu-may code { font-size: 13px; background: var(--xam-nen); padding: 1px 5px; border-radius: 5px; }
.tl-tin.tl-loi { background: var(--do-nen); border-color: color-mix(in srgb, var(--do) 35%, transparent); color: var(--do); }
.tl-cho { display: flex; gap: 5px; padding: 13px 14px; }
.tl-cho span { width: 7px; height: 7px; border-radius: 50%; background: #ff6200; animation: tl-cham 1s ease-in-out infinite; }
.tl-cho span:nth-child(2) { animation-delay: .15s; }
.tl-cho span:nth-child(3) { animation-delay: .3s; }
@keyframes tl-cham { 0%, 60%, 100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-5px); opacity: 1; } }
.tl-form { display: flex; gap: 8px; align-items: flex-end; padding: 10px; border-top: 1px solid var(--vien); }
.tl-form .tl-o { min-height: 42px; max-height: 132px; resize: none; line-height: 1.45; }
.tl-gui {
  flex: none; width: 42px; height: 42px; border-radius: 10px; border: 0; cursor: pointer;
  background: #ff6200; color: #fff; font-size: 16px;
}
.tl-gui:disabled { opacity: .5; cursor: wait; }

/* Điện thoại: khung chat trượt lên từ dưới, mây tạm ẩn */
@media (max-width: 599px) {
  .tl-may { width: 60px; }
  .tl-may.dang-mo { display: none; }
  .tl-khung {
    left: 0; right: 0; bottom: 0; top: auto; width: auto; height: 86vh; height: 86dvh;
    border-radius: 18px 18px 0 0; border-bottom: 0; padding-bottom: env(safe-area-inset-bottom);
  }
  .tl-form .tl-o { font-size: 16px; } /* tránh iPhone tự phóng to khi gõ */
}
.hang-cong-tac { display: flex; align-items: center; gap: 10px; margin-top: 12px; font-size: 14px; font-weight: 600; cursor: pointer; }
.hang-cong-tac input { width: 18px; height: 18px; accent-color: var(--nhan); }
.tl-cho-lau { font-size: 12px; color: var(--chu-mo); margin-top: -4px; }