:root {
  --nen: #1f1530;
  --nen2: #2b1d3f;
  --the: #fbf7ef;
  --chu: #2a2033;
  --phu: #6a5d78;
  --tim: #5b3a8c;
  --tim-dam: #3f2766;
  --vang: #e9c46a;
  --vien: #e3d9ee;
  --do: #a3261a;
  --xanh: #2f6b4a;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--nen);
  color: var(--chu);
  font: 18px/1.55 "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}
.dau {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--nen2);
  color: #fff;
  padding: calc(10px + env(safe-area-inset-top)) 16px 0;
  border-bottom: 1px solid #4a3770;
}
.dau h1 { margin: 0 0 8px; font-size: 22px; color: var(--vang); }
.tab { display: flex; gap: 4px; }
.tab button {
  flex: 1;
  min-height: 44px;
  background: transparent;
  color: #cfc3e3;
  border: 0;
  border-bottom: 3px solid transparent;
  font: inherit;
  font-weight: 600;
}
.tab button[aria-selected="true"] { color: #fff; border-bottom-color: var(--vang); }
main { max-width: 760px; margin: 0 auto; padding: 16px 16px 64px; }
.the {
  background: var(--the);
  border-radius: 16px;
  padding: 16px;
  margin: 0 0 16px;
}
.the h2 { font-size: 20px; margin: 0 0 8px; color: var(--tim-dam); display: flex; gap: 10px; align-items: center; }
.so {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--tim);
  color: #fff;
  font-size: 16px;
}
label, .nhan { display: block; font-weight: 600; margin: 12px 0 4px; }
input[type="text"], input[type="search"], input[type="password"], select, textarea {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  font: inherit;
  color: var(--chu);
  background: #fff;
  border: 1.5px solid var(--vien);
  border-radius: 12px;
}
textarea { min-height: 110px; resize: vertical; }
.nho { color: var(--phu); font-size: 16px; margin: 6px 0; }
.an { position: absolute; left: -9999px; }
.nut {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 18px;
  font: inherit;
  font-weight: 600;
  color: var(--tim-dam);
  background: #fff;
  border: 2px solid var(--tim);
  border-radius: 12px;
  cursor: pointer;
}
.nut-chinh { color: #fff; background: var(--tim); }
.nut-phu { border-color: var(--vien); color: var(--phu); }
.nut-rong { width: 100%; margin-top: 12px; }
.nut:disabled { opacity: .5; }
.nut:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible, .tab button:focus-visible {
  outline: 3px solid var(--vang);
  outline-offset: 2px;
}
.hang { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.chip-hang { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  min-height: 44px;
  padding: 8px 14px;
  font: inherit;
  color: var(--tim-dam);
  background: #fff;
  border: 1.5px solid var(--vien);
  border-radius: 22px;
}
.chip[aria-pressed="true"] { color: #fff; background: var(--tim); border-color: var(--tim); }
.xem-anh { display: block; max-width: 100%; max-height: 360px; margin: 12px auto; border-radius: 12px; }
.trang-thai { min-height: 1.5em; margin: 8px 0 0; font-weight: 600; }
.trang-thai.loi { color: var(--do); }
.trang-thai.tot { color: var(--xanh); }
details > summary { cursor: pointer; font-weight: 600; min-height: 44px; display: flex; align-items: center; color: var(--tim-dam); }
.dong-la {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 12px;
  margin: 8px 0;
  border: 1.5px solid var(--vien);
  border-radius: 12px;
  background: #fff;
}
.dong-la.ngo { border-color: var(--vang); background: #fff9e6; }
.dong-la .vt { font-weight: 700; color: var(--tim-dam); }
.dong-la .tien { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.dong-la .tien label { margin: 0; font-weight: 500; display: inline-flex; gap: 6px; align-items: center; min-height: 44px; }
.dong-la input[type="checkbox"] { width: 22px; height: 22px; }
.nut-nho { min-height: 44px; min-width: 44px; padding: 6px 12px; }
.buoc { margin: 0 0 16px; }
.buoc > h2 { color: #fff; }
.buoc .the { margin-bottom: 12px; }
.tong-quan li, .lien-ket li { margin: 6px 0; }
.nhan-la { display: inline-block; font-size: 14px; font-weight: 700; padding: 2px 10px; border-radius: 10px; background: var(--vien); color: var(--tim-dam); margin-right: 6px; }
.nhan-la.nguoc { background: #f6d9d5; color: var(--do); }
.la-ten { font-size: 20px; font-weight: 700; color: var(--tim-dam); margin: 0 0 4px; }
.tu-khoa { margin: 4px 0; }
.tu-khoa b { color: var(--tim-dam); }
.cap { border-left: 4px solid var(--vang); padding-left: 12px; margin: 12px 0; }
.cap h3 { font-size: 17px; margin: 0 0 4px; color: var(--tim-dam); }
.cau-chuyen { font-size: 19px; }
.tiep { margin: 4px 0 20px; }
.cuon { overflow-x: auto; margin: 8px 0; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; min-width: 100%; font-size: 16px; }
th, td { border: 1px solid var(--vien); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: #efe8f7; }
#noidung-cam h2 { font-size: 22px; color: var(--tim-dam); margin: 28px 0 8px; }
#noidung-cam h2:first-child { margin-top: 0; }
#noidung-cam h3 { font-size: 19px; margin: 20px 0 6px; }
#noidung-cam li { margin: 6px 0; }
.dong-tra { width: 100%; text-align: left; background: var(--the); border: 0; border-radius: 14px; padding: 12px 14px; margin: 0 0 8px; font: inherit; color: var(--chu); min-height: 56px; }
.dong-tra b { color: var(--tim-dam); }
.dong-tra small { display: block; color: var(--phu); font-size: 15px; }
.chi-tiet { background: var(--the); border-radius: 16px; padding: 16px; margin: 0 0 16px; }
.lich-su-dong { display: flex; gap: 8px; align-items: center; justify-content: space-between; padding: 8px 0; border-top: 1px solid var(--vien); }
.lich-su-dong button.mo { flex: 1; text-align: left; background: none; border: 0; font: inherit; color: var(--chu); min-height: 44px; }
@media (prefers-reduced-motion: no-preference) {
  .buoc { animation: hien .25s ease-out; }
  @keyframes hien { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
}