/* =========================================================
   Đặt lịch khám – Khoa Ung Bướu Huyết Học, BV Nhi Đồng 2
   Đỏ thẫm  = ngày truyền máu (Thứ 3, Thứ 4)
   Xanh chàm = ngày điều trị duy trì (Thứ 5)
   ========================================================= */

:root {
  --nen: #EEF2F6;
  --mat: #FFFFFF;
  --muc: #1A2130;
  --phu: #586276;
  --vien: #D3DAE4;
  --vien-dam: #B9C3D1;

  --mau: #A8233A;
  --mau-nen: #FBE9EC;
  --khoi-mau: #A8233A;
  --duytri: #2E46A3;
  --duytri-nen: #E7EBFA;
  --khoi-duytri: #2E46A3;

  --ok: #1B6B44;
  --ok-nen: #E1F2E8;
  --loi: #A8233A;
  --loi-nen: #FBE9EC;
  --chu-y: #7D4B00;
  --chu-y-nen: #FFF1D6;

  --nut: #1A2130;
  --chu-nut: #FFFFFF;
  --tap-trung: #2E46A3;

  --nhan: var(--muc);
  --nhan-nen: var(--nen);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --nen: #10141C;
    --mat: #182030;
    --muc: #E7EBF2;
    --phu: #A3ACBD;
    --vien: #2B3446;
    --vien-dam: #3C475C;

    --mau: #F28A9B;
    --mau-nen: #3A1D25;
    --khoi-mau: #8E2235;
    --duytri: #A4B4F6;
    --duytri-nen: #1E2747;
    --khoi-duytri: #34479A;

    --ok: #74D3A1;
    --ok-nen: #14301F;
    --loi: #F28A9B;
    --loi-nen: #3A1D25;
    --chu-y: #F3C16E;
    --chu-y-nen: #33270F;

    --nut: #E7EBF2;
    --chu-nut: #10141C;
    --tap-trung: #A4B4F6;

    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--nen);
  color: var(--muc);
  font-family: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

:focus-visible { outline: 3px solid var(--tap-trung); outline-offset: 2px; }

a { color: inherit; }

.khung {
  width: 100%;
  max-width: 34rem;
  margin: 0 auto;
  padding-left: max(1.125rem, env(safe-area-inset-left, 0px));
  padding-right: max(1.125rem, env(safe-area-inset-right, 0px));
}
.trang-khoa .khung { max-width: 66rem; }
.hep { max-width: 34rem; }

.an-di {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Thanh chạy thử ---------- */
.chay-thu {
  background: var(--chu-y-nen);
  color: var(--chu-y);
  font-size: .9rem;
  font-weight: 500;
  text-align: center;
  padding: .45rem 1rem;
}

/* ---------- Đầu trang ---------- */
.dau { padding-top: env(safe-area-inset-top, 0px); border-bottom: 1px solid var(--vien); background: var(--mat); }
.dau__trong { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4rem; padding-top: .6rem; padding-bottom: .6rem; }
.dau__khoa { display: flex; flex-direction: column; text-decoration: none; line-height: 1.25; }
.dau__ten { font-weight: 600; font-size: .98rem; }
.dau__bv { font-size: .82rem; color: var(--phu); }
.dau__ra { display: flex; align-items: center; gap: .75rem; margin: 0; font-size: .92rem; }
.dau__be { color: var(--phu); white-space: nowrap; }
.dau__ra .lien-ket { white-space: nowrap; }
@media (max-width: 26rem) { .dau__be { display: none; } .dau__ten { font-size: .92rem; } }

.lien-ket {
  background: none; border: 0; padding: .35rem 0; margin: 0;
  font: inherit; color: var(--muc); font-weight: 600;
  text-decoration: underline; text-underline-offset: 3px; cursor: pointer;
}
.lien-ket--nguy { color: var(--loi); }

.menu { display: flex; gap: .25rem; overflow-x: auto; padding-bottom: .1rem; }
.menu a {
  text-decoration: none; padding: .7rem .8rem; white-space: nowrap;
  color: var(--phu); font-weight: 500; border-bottom: 3px solid transparent;
}
.menu a[aria-current="page"] { color: var(--muc); border-bottom-color: var(--muc); }

/* ---------- Thân trang ---------- */
.than { padding-top: 1.25rem; padding-bottom: 3rem; }

h1 {
  font-size: 1.9rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: .5rem 0 .4rem;
  text-wrap: balance;
}
.h1-gon { font-size: 1.5rem; margin-top: 0; }
.dan { color: var(--phu); margin: 0 0 1.5rem; max-width: 36em; }
.chu-nho { font-size: .92rem; color: var(--phu); margin-top: 1.75rem; }
.tieu-de-nhom { font-size: 1rem; font-weight: 600; color: var(--phu); margin: 2rem 0 .7rem; letter-spacing: 0; }

.quay-lai {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--phu); text-decoration: none; font-size: .95rem; padding: .25rem 0; margin-bottom: .25rem;
}
.quay-lai::before { content: ""; width: .5rem; height: .5rem; border-left: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); }

/* ---------- Thông báo ---------- */
.bao { border-radius: 12px; padding: .85rem 1rem; margin: 0 0 1.25rem; font-weight: 500; }
.bao--ok { background: var(--ok-nen); color: var(--ok); }
.bao--loi { background: var(--loi-nen); color: var(--loi); }
.bao--chu-y { background: var(--chu-y-nen); color: var(--chu-y); }

/* ---------- Biểu mẫu ---------- */
.bieu-mau { display: grid; gap: 1.1rem; margin-bottom: 1.5rem; }
.bieu-mau--hang { grid-template-columns: repeat(auto-fit, minmax(9rem, max-content)); align-items: end; gap: .75rem; }
.truong { display: grid; gap: .35rem; }
.truong label, legend { font-weight: 600; }
.goi-y { margin: -.15rem 0 .1rem; font-size: .9rem; color: var(--phu); }

input[type="text"], input:not([type]), input[type="password"], input[type="number"], input[type="tel"],
input[type="date"], input[type="time"], select, textarea {
  width: 100%;
  font: inherit;
  font-size: 1.1rem;
  color: var(--muc);
  background: var(--mat);
  border: 1.5px solid var(--vien-dam);
  border-radius: 12px;
  padding: .75rem .9rem;
  min-height: 3.25rem;
}
textarea { min-height: 7rem; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--tap-trung); outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--tap-trung) 30%, transparent); }
input[type="file"] { font-size: 1rem; padding: .6rem; border: 1.5px dashed var(--vien-dam); border-radius: 12px; background: var(--mat); width: 100%; }

.o-so {
  font-size: 1.9rem !important;
  font-weight: 600;
  letter-spacing: .45em;
  font-variant-numeric: tabular-nums;
  max-width: 11rem;
  padding-left: 1rem !important;
}

.truong--gon input, .truong--gon select { min-height: 2.9rem; font-size: 1rem; padding: .55rem .75rem; }

/* ---------- Nút ---------- */
.nut {
  display: inline-flex; align-items: center; justify-content: center;
  width: 100%; min-height: 3.4rem; padding: .75rem 1.25rem;
  font: inherit; font-size: 1.05rem; font-weight: 600; line-height: 1.2; text-align: center;
  color: var(--chu-nut); background: var(--nut);
  border: 1.5px solid var(--nut); border-radius: 12px;
  text-decoration: none; cursor: pointer;
}
.nut:active { transform: translateY(1px); }
.nut--phu { background: transparent; color: var(--muc); border-color: var(--vien-dam); }
.nut--nguy { background: transparent; color: var(--loi); border-color: var(--loi); }
.nut--gon { width: auto; min-height: 2.9rem; font-size: 1rem; padding: .5rem 1rem; }
.hang-nut { display: grid; gap: .65rem; margin: 1.5rem 0; }

/* ---------- Lịch tuần ở trang đăng nhập ---------- */
.lich-tuan { margin-top: 2.25rem; border-top: 1px solid var(--vien); }
.lich-tuan__dong { display: flex; gap: 1rem; align-items: baseline; padding: .8rem 0; border-bottom: 1px solid var(--vien); }
.lich-tuan__thu { font-weight: 600; flex: 0 0 8.25rem; }
.lich-tuan__dong--mau .lich-tuan__thu { color: var(--mau); }
.lich-tuan__dong--duytri .lich-tuan__thu { color: var(--duytri); }

/* ---------- Màu theo loại ngày ---------- */
.ngay--mau { --khoi: var(--khoi-mau); --nhan: var(--mau); --nhan-nen: var(--mau-nen); }
.ngay--duytri { --khoi: var(--khoi-duytri); --nhan: var(--duytri); --nhan-nen: var(--duytri-nen); }

/* ---------- Tờ lịch (điểm nhấn) ---------- */
.to-lich {
  position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: var(--khoi, var(--muc));
  color: #FFFFFF;
  padding: .7rem .3rem .6rem;
  text-align: center;
  line-height: 1.1;
}
/* hai lỗ gáy lịch */
.to-lich::before {
  content: "";
  position: absolute; top: .38rem; left: 50%;
  width: 1.6rem; height: .3rem; transform: translateX(-50%);
  background:
    radial-gradient(circle at .15rem 50%, rgba(255,255,255,.55) .12rem, transparent .14rem),
    radial-gradient(circle at calc(100% - .15rem) 50%, rgba(255,255,255,.55) .12rem, transparent .14rem);
}
.to-lich__thu { font-size: .78rem; font-weight: 600; margin-top: .35rem; }
.to-lich__so { font-size: 2.1rem; font-weight: 700; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; margin: .1rem 0; }
.to-lich__thang { font-size: .75rem; opacity: .85; }

/* ---------- Danh sách ngày ---------- */
.ds-ngay { list-style: none; margin: 0; padding: 0; display: grid; gap: .7rem; }

.ngay, .the-ngay {
  display: grid;
  grid-template-columns: 5rem 1fr;
  min-height: 6rem;
  background: var(--mat);
  border: 1.5px solid var(--vien);
  border-radius: 16px;
  overflow: hidden;
  text-decoration: none;
  color: var(--muc);
}
a.ngay:hover { border-color: var(--nhan); }
a.ngay:focus-visible { outline-offset: 3px; }

.ngay__than { display: flex; flex-direction: column; justify-content: center; gap: .35rem; padding: .8rem 1rem; min-width: 0; }
.ngay__loai { font-weight: 600; font-size: 1.05rem; line-height: 1.3; }
.ngay__phu { color: var(--phu); font-size: .93rem; }
.ngay__phu--ok { color: var(--ok); font-weight: 600; }
.ngay__phu--loi { color: var(--loi); font-weight: 600; }

.ngay--cua-toi { border-color: var(--ok); }
.ngay--dong { background: transparent; border-style: dashed; }
.ngay--dong .to-lich { background: var(--vien-dam); color: var(--muc); }
.ngay--dong .to-lich::before { opacity: .4; }
.ngay--dong .ngay__loai { color: var(--phu); }
.ngay--huy .to-lich { background: var(--vien-dam); color: var(--muc); }
.ngay--huy .ngay__loai { text-decoration: line-through; color: var(--phu); }

.the-ngay { margin: 1rem 0 1.5rem; min-height: 6.5rem; }
.the-ngay .to-lich__so { font-size: 2.4rem; }

/* Chấm chỗ ngồi */
.cho { display: flex; flex-wrap: wrap; gap: 5px; max-width: 145px; } /* 10 chấm mỗi hàng */
.cho i { display: block; width: 10px; height: 10px; border-radius: 50%; }
.cho i.trong { background: var(--nhan); }
.cho i.da { background: transparent; box-shadow: inset 0 0 0 1.5px var(--vien-dam); }
.ngay--dong .cho i.trong { background: var(--vien-dam); }

/* ---------- Chọn nhóm máu / cân nặng ---------- */
.nhom-chon { border: 0; padding: 0; margin: 0; min-width: 0; }
.nhom-chon legend { padding: 0; margin-bottom: .6rem; font-size: 1.05rem; }
.chon { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .55rem; }
.chon label { position: relative; display: block; cursor: pointer; }
.chon input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chon span {
  display: flex; align-items: center; justify-content: center;
  min-height: 3.1rem; padding: .5rem .6rem; text-align: center;
  background: var(--mat); border: 1.5px solid var(--vien-dam); border-radius: 12px;
  font-weight: 500;
}
.chon input:checked + span {
  background: var(--nhan-nen); border-color: var(--nhan); color: var(--muc); font-weight: 600;
  box-shadow: inset 0 0 0 1px var(--nhan);
}
.chon input:focus-visible + span { outline: 3px solid var(--tap-trung); outline-offset: 2px; }
.chon__rong { grid-column: 1 / -1; }

/* ---------- Tóm tắt ---------- */
.tom-tat { margin: .5rem 0 0; border-top: 1px solid var(--vien); }
.tom-tat > div { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-bottom: 1px solid var(--vien); }
.tom-tat dt { color: var(--phu); }
.tom-tat dd { margin: 0; font-weight: 600; text-align: right; }
.ma-lich { font-size: 1.25rem; letter-spacing: .08em; font-variant-numeric: tabular-nums; }

/* ---------- Hủy lịch ---------- */
.huy-lich { margin-top: 1.25rem; border-top: 1px solid var(--vien); padding-top: 1rem; }
.huy-lich summary { cursor: pointer; color: var(--loi); font-weight: 600; padding: .4rem 0; width: fit-content; }
.huy-lich p { color: var(--phu); }

.trong-rong { padding: 1.75rem 1.25rem; margin-top: 1.5rem; border: 1.5px dashed var(--vien-dam); border-radius: 16px; text-align: center; }
.trong-rong p { margin: .2rem 0; }

/* ---------- Trang khoa ---------- */
.dai-ngay { display: flex; gap: .5rem; overflow-x: auto; padding: .25rem 0 .75rem; margin-bottom: 1rem; scrollbar-width: thin; }
.dai-ngay__muc {
  flex: 0 0 auto; display: flex; flex-direction: column; gap: .1rem;
  min-width: 5.4rem; padding: .5rem .7rem;
  background: var(--mat); border: 1.5px solid var(--vien); border-top: 4px solid var(--nhan);
  border-radius: 10px; text-decoration: none;
}
.dai-ngay__muc[aria-current="date"] { border-color: var(--nhan); background: var(--nhan-nen); }
.dai-ngay__ngay { font-weight: 600; font-size: .92rem; white-space: nowrap; }
.dai-ngay__so { font-size: .85rem; color: var(--phu); font-variant-numeric: tabular-nums; }

.dau-bang { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.dau-bang .dan { margin-bottom: 0; }
.chon-ngay-khac { display: flex; gap: .5rem; align-items: center; }
.chon-ngay-khac input { min-height: 2.9rem; font-size: 1rem; padding: .5rem .7rem; width: auto; }

.bang-cuon { overflow-x: auto; border: 1.5px solid var(--vien); border-radius: 12px; background: var(--mat); }
.bang { width: 100%; border-collapse: collapse; font-size: .95rem; }
.bang th, .bang td { padding: .65rem .8rem; text-align: left; border-bottom: 1px solid var(--vien); white-space: nowrap; }
.bang th { font-weight: 600; color: var(--phu); font-size: .88rem; background: var(--nen); }
.bang tbody tr:last-child td { border-bottom: 0; }
.bang tr.da-huy td:not(.o-thao-tac) { color: var(--phu); text-decoration: line-through; }
.o-thao-tac form { margin: 0; }
.the-nho { display: inline-block; font-size: .78rem; font-weight: 600; color: var(--phu); border: 1px solid var(--vien-dam); border-radius: 999px; padding: 0 .45rem; text-decoration: none; }

.xuat { margin-top: 2rem; }
.xuat__form { display: flex; flex-wrap: wrap; gap: .75rem; align-items: end; }
.xuat__form .truong { min-width: 10rem; }

.nhom-cai-dat { border: 1.5px solid var(--vien); border-top: 4px solid var(--nhan); border-radius: 12px; padding: .9rem 1rem 1rem; margin: 0; background: var(--mat); }
.nhom-cai-dat legend { padding: 0 .35rem; }
.luoi-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .6rem; }
@media (max-width: 30rem) { .luoi-3 { grid-template-columns: 1fr 1fr; } .luoi-3 .truong:first-child { grid-column: 1 / -1; } }

.ghi-chu { margin-top: 2rem; color: var(--phu); font-size: .95rem; }
.ghi-chu p { margin: .4rem 0; }

@media (min-width: 40rem) {
  h1 { font-size: 2.2rem; }
  .hang-nut { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .nut:active { transform: none; }
}

/* ---------- Tài khoản ---------- */
.dau__tk { color: var(--muc); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; white-space: nowrap; }
.dau__tk--nhat { color: var(--phu); font-weight: 400; text-decoration: none; }
.dang-ky-moi { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--vien); }
.dang-ky-moi p { margin: 0 0 .6rem; font-weight: 600; }
.quen-mk { margin-top: 1rem; }
.quen-mk summary { cursor: pointer; color: var(--phu); padding: .35rem 0; width: fit-content; text-decoration: underline; text-underline-offset: 3px; }
.quen-mk p { color: var(--phu); margin: .4rem 0 0; }

.rieng-tu { background: var(--mat); border: 1.5px solid var(--vien); border-radius: 12px; padding: .9rem 1rem; font-size: .95rem; color: var(--phu); }
.rieng-tu p { margin: 0 0 .75rem; }
.o-dong-y { display: flex; align-items: center; gap: .65rem; color: var(--muc); font-weight: 600; cursor: pointer; }
.o-dong-y input { width: 1.4rem; height: 1.4rem; accent-color: var(--muc); margin: 0; }

.ds-be { list-style: none; padding: 0; margin: 1.25rem 0 0; display: grid; gap: .6rem; }
.nut--trai { justify-content: flex-start; }

.khoi { margin-top: 1.75rem; }
.tieu-de-khoi { font-size: 1.15rem; font-weight: 700; margin: 0 0 .75rem; }
.ds-dong { list-style: none; padding: 0; margin: 0 0 1rem; border-top: 1px solid var(--vien); }
.ds-dong li { display: flex; align-items: center; gap: .75rem; padding: .75rem 0; border-bottom: 1px solid var(--vien); }
.ds-dong__ten { font-weight: 600; }
.ds-dong__phu { color: var(--phu); font-size: .92rem; margin-right: auto; }
.ds-dong form { margin: 0; }
.them-be { display: flex; flex-wrap: wrap; align-items: end; gap: .6rem; }
.them-be .truong { flex: 1 1 12rem; }

.cum-nut { display: flex; gap: 1rem; }
.bang tr.da-khoa td:not(.o-thao-tac) { color: var(--phu); }
.mk-tam strong { font-size: 1.4rem; letter-spacing: .12em; font-variant-numeric: tabular-nums; }
.chon-ngay-khac input[type="tel"], .chon-ngay-khac input:not([type]) { min-height: 2.9rem; font-size: 1rem; padding: .5rem .7rem; width: 12rem; }

/* ---------- Chú thích loại ngày, cảnh báo đặt lộn ---------- */
.chu-thich { list-style: none; padding: 0; margin: -.75rem 0 1rem; display: grid; gap: .3rem; font-size: .93rem; color: var(--phu); }
.chu-thich li span { font-weight: 600; color: var(--nhan); }
.ghi-chu-be { margin: 0 0 1rem; padding: .7rem .9rem; border-radius: 12px; background: var(--duytri-nen); color: var(--muc); font-size: .95rem; }
.canh-bao strong { display: block; margin-bottom: .2rem; }
.luoi-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem; }