@import url('../fonts/fonts.css');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css');

:root {
  --do: #8C1616;
  --do-dam: #6E0F0F;
  --vang: #C9A227;
  --vang-nhat: #EFE2BA;
  --nen: #F7F3EA;
  --giay: #FFFDF8;
  --muc: #25303D;
  --xam: #746E64;
  --vien: #E4DCC9;
  --vien-dam: #D2C4A8;
  --xanh-la: #2E7D4F;
  --cam: #B4690E;
  --bong: 0 16px 36px -28px rgba(37, 48, 61, .42);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--nen); }
body {
  min-height: 100vh;
  font-family: 'Be Vietnam Pro', system-ui, sans-serif;
  color: var(--muc);
  line-height: 1.55;
  background:
    radial-gradient(circle at top left, rgba(201, 162, 39, .16), transparent 30rem),
    linear-gradient(180deg, #FBF8F0 0, var(--nen) 18rem);
}
.fa-solid, .fa-regular { line-height: 1; }

/* ===== Header quản trị ===== */
header.site {
  position: sticky;
  top: 0;
  z-index: 30;
  color: #FFF9EE;
  background: linear-gradient(135deg, var(--do-dam), var(--do));
  border-bottom: 3px solid var(--vang);
  box-shadow: 0 10px 24px -22px rgba(37, 48, 61, .75);
}
.site-inner {
  max-width: 1120px;
  min-height: 86px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.site-copy { min-width: 0; }
.site h1 {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
}
.site .phu { margin-top: 3px; font-size: .82rem; opacity: .82; }
.huyhieu {
  width: 64px;
  height: 64px;
  flex: none;
  border-radius: 50%;
  background: #fff;
  padding: 4px;
  overflow: hidden;
  box-shadow: 0 8px 24px -14px rgba(0, 0, 0, .55);
  display: flex;
  align-items: center;
  justify-content: center;
}
.huyhieu img { width: 100%; height: 100%; object-fit: contain; display: block; }
.nav-lien-ket {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-wrap: wrap;
}
.nav-lien-ket a,
.nav-lien-ket button {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #FFF9EE;
  font: inherit;
  font-size: .82rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  background: rgba(255, 249, 238, .08);
  border: 1px solid rgba(255, 249, 238, .28);
  border-radius: 8px;
  padding: 8px 12px;
}
.nav-lien-ket a:hover,
.nav-lien-ket button:hover { border-color: var(--vang); background: rgba(255, 249, 238, .14); }

/* ===== Khung trang ===== */
.khung {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 16px 56px;
}
.the {
  background: rgba(255, 253, 248, .94);
  border: 1px solid var(--vien);
  border-radius: 8px;
  box-shadow: var(--bong);
  padding: 20px;
  margin-bottom: 18px;
}
.the h2 {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.08rem;
  line-height: 1.3;
  color: var(--do);
  margin-bottom: 4px;
}
.the .mo-ta { font-size: .86rem; color: var(--xam); margin-bottom: 14px; }
.the-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.the-head h2 { margin-bottom: 0; }
.the-head .day { flex: 1; }
.duong-vang {
  height: 2px;
  width: 58px;
  border: none;
  margin: 10px 0 16px;
  background: linear-gradient(90deg, var(--vang), rgba(201, 162, 39, 0));
}

/* ===== Form controls ===== */
label {
  display: block;
  font-size: .8rem;
  font-weight: 700;
  color: #514A42;
  margin-bottom: 6px;
}
input[type=text],
input[type=password],
input[type=datetime-local],
select {
  width: 100%;
  min-height: 40px;
  padding: 9px 12px;
  border: 1px solid var(--vien);
  border-radius: 8px;
  background: #fff;
  color: var(--muc);
  font: inherit;
  font-size: .9rem;
}
input[type=text]:disabled,
input[type=password]:disabled,
input[type=datetime-local]:disabled {
  color: #665F56;
  background: #F7F2E8;
}
input:focus,
select:focus {
  outline: 2px solid rgba(201, 162, 39, .45);
  outline-offset: 1px;
  border-color: var(--vang);
}
.hang {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

/* ===== Buttons ===== */
.nut {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  font-size: .88rem;
  padding: 9px 16px;
  text-decoration: none;
  transition: background .14s ease, border-color .14s ease, color .14s ease, transform .08s ease;
}
.nut:active { transform: translateY(1px); }
.nut:focus-visible { outline: 2px solid var(--do); outline-offset: 2px; }
.nut-do { background: var(--do); color: #FFF9EE; border: 1px solid var(--do); }
.nut-do:hover { background: var(--do-dam); border-color: var(--do-dam); }
.nut-vien { background: #fff; border: 1px solid var(--vien-dam); color: var(--muc); }
.nut-vien:hover { border-color: var(--vang); color: var(--do); background: #FFFCF5; }
.nut-nho { min-height: 34px; padding: 7px 11px; font-size: .8rem; }
.nut[disabled] { opacity: .55; cursor: not-allowed; }

/* ===== Upload ===== */
.vung-tha {
  border: 1.5px dashed #D7C895;
  border-radius: 8px;
  padding: 26px;
  text-align: center;
  background: #FCFAF3;
  cursor: pointer;
  transition: background .14s ease, border-color .14s ease;
}
.vung-tha:hover,
.vung-tha.keo { border-color: var(--vang); background: #FBF5E6; }
.vung-tha p { font-size: .9rem; color: var(--xam); }
.vung-tha i { color: var(--do); margin-right: 6px; }
.vung-tha strong { color: var(--do); }
.hanh-dong-file {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ===== Stats ===== */
.luoi-so {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.o-so {
  position: relative;
  overflow: hidden;
  background: rgba(255, 253, 248, .96);
  border: 1px solid var(--vien);
  border-radius: 8px;
  padding: 15px 16px;
  box-shadow: var(--bong);
}
.o-so::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--vang);
}
.o-so .nhan {
  font-size: .72rem;
  color: var(--xam);
  font-weight: 800;
  text-transform: uppercase;
}
.o-so .so {
  font-family: 'Lora', Georgia, serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  margin-top: 4px;
}
.so-tong .so { color: var(--muc); }
.so-du::before { background: var(--xanh-la); }
.so-du .so { color: var(--xanh-la); }
.so-vang::before { background: var(--do); }
.so-vang .so { color: var(--do); }
.so-cho::before { background: var(--cam); }
.so-cho .so { color: var(--cam); }

/* ===== Table ===== */
.cuon-bang {
  overflow-x: auto;
  border: 1px solid var(--vien);
  border-radius: 8px;
  background: #fff;
}
table { width: 100%; border-collapse: collapse; font-size: .86rem; min-width: 840px; }
thead th {
  text-align: left;
  padding: 11px 12px;
  background: #F7F0E3;
  color: #5A211D;
  border-bottom: 1px solid var(--vien);
  font-weight: 800;
  font-size: .75rem;
  text-transform: uppercase;
}
tbody td {
  padding: 11px 12px;
  border-bottom: 1px solid #EFE6D5;
  vertical-align: top;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) { background: #FCF8EF; }
tbody tr:hover { background: #F8F0DF; }
.trang-thai {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: .74rem;
  font-weight: 800;
}
.tt-du { background: #E3F2E8; color: var(--xanh-la); }
.tt-vang { background: #F9E3E3; color: var(--do); }
.tt-cho { background: #FBEFD9; color: var(--cam); }
.ly-do-nho { font-size: .8rem; color: var(--xam); }

/* ===== Toolbar bảng ===== */
.cong-cu-bang {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 14px;
}
.cong-cu-bang .day { flex: 1; }
.o-tim-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  max-width: 260px;
  width: 100%;
}
.o-tim-wrap i {
  position: absolute;
  left: 12px;
  color: var(--xam);
  font-size: .86rem;
  pointer-events: none;
}
.o-tim-wrap .o-tim { max-width: none; padding-left: 34px; }
.nut-bang { display: flex; gap: 6px; align-items: center; flex-wrap: nowrap; }
.nut-bang .nut { white-space: nowrap; }
.nut-icon {
  width: 32px;
  height: 32px;
  min-height: 32px;
  justify-content: center;
  padding: 0;
}
.nut-icon i { margin: 0; }
.nut-xoa { color: var(--do); }
.nut-xoa:hover { border-color: var(--do); color: var(--do-dam); }

/* ===== Link box, messages ===== */
.khung-link {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: #FCF7EA;
  border: 1px solid var(--vang-nhat);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 14px;
}
.khung-link .nhan-link { font-size: .84rem; font-weight: 800; color: var(--do); }
.khung-link code {
  flex: 1;
  min-width: 180px;
  background: #fff;
  border: 1px solid var(--vien);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: .84rem;
  color: var(--muc);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.canh-bao,
.thanh-cong {
  padding: 12px 14px;
  border-radius: 8px;
  font-size: .86rem;
  margin-bottom: 14px;
}
.canh-bao { background: #FBEAEA; border: 1px solid #E9B8B8; color: var(--do); }
.thanh-cong { background: #E9F5EE; border: 1px solid #B7DEC5; color: var(--xanh-la); }
.trong {
  padding: 32px 18px;
  text-align: center;
  color: var(--xam);
  font-size: .9rem;
  background: #FCF8EF;
  border: 1px dashed var(--vien-dam);
  border-radius: 8px;
}
.thong-bao {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%) translateY(80px);
  background: var(--muc);
  color: #FFF9EE;
  padding: 11px 18px;
  border-radius: 8px;
  font-size: .88rem;
  box-shadow: 0 18px 38px -18px rgba(0,0,0,.35);
  opacity: 0;
  transition: all .22s ease;
  z-index: 99;
  max-width: calc(100vw - 40px);
}
.thong-bao.hien { transform: translateX(-50%) translateY(0); opacity: 1; }
.cham-song {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--xanh-la);
  margin-right: 6px;
  animation: nhay 1.6s infinite;
}
@keyframes nhay { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* ===== Login / security pages ===== */
.trang-dang-nhap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.khung-dang-nhap { width: 100%; max-width: 392px; }
.khung-dang-nhap .the { margin-bottom: 0; }
.tieu-de-dn { text-align: center; margin-bottom: 16px; }
.tieu-de-dn .huyhieu { margin: 0 auto 10px; }
.tieu-de-dn h1 {
  font-family: 'Lora', Georgia, serif;
  font-size: 1.26rem;
  color: var(--do);
}

/* ===== Dashboard ===== */
.thanh-loc {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
}
.thanh-loc select { width: auto; min-width: 142px; }
.danh-sach-hop { display: flex; flex-direction: column; gap: 10px; }
.hang-hop {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--vien);
  border-radius: 8px;
  background: #fff;
  transition: border-color .14s ease, background .14s ease, transform .08s ease;
}
.hang-hop:hover { border-color: var(--vang); background: #FFFCF5; transform: translateY(-1px); }
.hang-hop .ten {
  font-weight: 800;
  font-family: 'Lora', Georgia, serif;
  color: var(--muc);
}
.hang-hop .meta { margin-top: 3px; font-size: .82rem; color: var(--xam); }
.hang-hop .chips { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  font-size: .72rem;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: 999px;
}
.chip-du { background: #E3F2E8; color: var(--xanh-la); }
.chip-vang { background: #F9E3E3; color: var(--do); }
.chip-cho { background: #FBEFD9; color: var(--cam); }
.phan-trang {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 18px;
}
.phan-trang .trang-hien-tai { font-size: .85rem; color: var(--xam); font-weight: 700; }
.phan-trang a.vo-hieu { opacity: .4; pointer-events: none; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .luoi-so { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hang-hop { grid-template-columns: 1fr; }
  .hang-hop .chips { justify-content: flex-start; }
}

@media (max-width: 700px) {
  body { background: var(--nen); }
  .site-inner {
    min-height: auto;
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 10px 12px;
    padding: 12px 14px;
  }
  .site-inner .huyhieu { width: 52px; height: 52px; padding: 3px; }
  .site h1 { font-size: 1.08rem; }
  .site .phu { font-size: .73rem; line-height: 1.35; }
  .nav-lien-ket {
    grid-column: 1 / -1;
    width: 100%;
    margin-left: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
  .nav-lien-ket form { min-width: 0; }
  .nav-lien-ket a,
  .nav-lien-ket button {
    width: 100%;
    min-height: 36px;
    padding: 8px 10px;
    font-size: .78rem;
    white-space: nowrap;
  }
  .nav-lien-ket a { min-width: 0; }
  .khung { padding: 18px 12px 44px; }
  .the { padding: 16px; }
  .hang { grid-template-columns: 1fr; }
  .cong-cu-bang .day { display: none; }
  .o-tim-wrap { max-width: none; }
}

@media (max-width: 460px) {
  .luoi-so { grid-template-columns: 1fr; }
  .nav-lien-ket {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .nav-lien-ket a,
  .nav-lien-ket button { min-width: 0; }
  .nav-lien-ket form:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .nut { width: 100%; }
  .nut-icon { width: 32px; }
  .cong-cu-bang .nut,
  .the-head .nut,
  .hanh-dong-file .nut,
  .khung-link .nut { width: 100%; }
}