/* didate: trang chủ, trang soạn thiệp, trang quản lý, trang chữ. Tấm thiệp có the.css riêng. */
@font-face {
  font-family: "Baloo 2";
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/baloo2-600.woff) format("woff");
}
@font-face {
  font-family: "Baloo 2";
  font-weight: 800;
  font-display: swap;
  src: url(/fonts/baloo2-800.woff) format("woff");
}

:root {
  --nen: #fff7fa;
  --nen-dam: #ffe3ee;
  --trang: #fff;
  --chinh: #c2255c;
  --chinh-dam: #9c1c4a;
  --nhat: #ffe0ec;
  --vien: #f2c3d5;
  --chu: #3d2230;
  --chu-nhat: #6e4a5c;
  --loi: #b42318;
  --xanh: #0f7a62;
  color-scheme: light;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--nen);
  color: var(--chu);
  font-family: "Baloo 2", ui-rounded, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-weight: 600;
  line-height: 1.5;
}
a {
  color: var(--chinh-dam);
}
h1,
h2,
h3 {
  font-weight: 800;
  line-height: 1.2;
}
[hidden] {
  display: none !important;
}
.an-han {
  position: fixed;
  top: 0;
  left: -9999px;
  opacity: 0;
}
.nho {
  color: var(--chu-nhat);
  font-size: 0.92rem;
}
.loi {
  min-height: 1em;
  margin: 6px 0 0;
  color: var(--loi);
  font-weight: 800;
}
.canh {
  color: #8a4b00;
  font-size: 0.92rem;
}
.thong-bao {
  padding: 10px 14px;
  border: 1px solid var(--vien);
  border-radius: 14px;
  background: var(--trang);
}
:focus-visible {
  outline: 3px solid var(--chu);
  outline-offset: 2px;
}

/* ----- đầu trang, chân trang ----- */
.dau {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1160px;
  margin: 0 auto;
  padding: max(12px, env(safe-area-inset-top)) 16px 12px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--chu);
  font-size: 1.45rem;
  font-weight: 800;
  text-decoration: none;
}
.dau nav a {
  font-weight: 800;
  text-decoration: none;
}
.so-nho {
  display: inline-block;
  min-width: 1.4em;
  margin-left: 6px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--chinh);
  color: #fff;
  font-size: 0.8rem;
  text-align: center;
}
.chan {
  max-width: 760px;
  margin: 40px auto 0;
  padding: 20px 16px max(28px, env(safe-area-inset-bottom));
  border-top: 1px dashed var(--vien);
  color: var(--chu-nhat);
  text-align: center;
}

/* ----- nút, ô nhập ----- */
.nut {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 46px;
  padding: 8px 20px;
  border: 2px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  touch-action: manipulation;
}
.nut:disabled {
  opacity: 0.6;
  cursor: default;
}
.nut-chinh {
  background: var(--chinh);
  color: #fff;
  box-shadow: 0 8px 18px -10px var(--chinh);
}
.nut-chinh:hover {
  background: var(--chinh-dam);
}
.nut-phu {
  background: var(--nhat);
  color: var(--chinh-dam);
}
.nut-phu:hover {
  border-color: var(--vien);
}
.nut-chu {
  min-height: 40px;
  padding: 4px 10px;
  border: 0;
  background: none;
  color: var(--chinh-dam);
  font: inherit;
  font-weight: 800;
  text-decoration: underline;
  cursor: pointer;
}
.nut-nguy {
  border-color: #f0b4ae;
  background: var(--trang);
  color: var(--loi);
}
.nut-lon {
  min-height: 54px;
  padding: 10px 26px;
  font-size: 1.1rem;
}
.hang-nut {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0;
}
label {
  display: block;
  margin: 12px 0 0;
  font-weight: 800;
}
input:not([type]),
input[type="text"],
input[type="url"],
input[type="time"],
select,
textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 10px 14px;
  border: 2px solid var(--vien);
  border-radius: 14px;
  background: var(--trang);
  color: var(--chu);
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
}
input:focus,
select:focus,
textarea:focus {
  border-color: var(--chinh);
  outline: none;
}
[aria-invalid="true"] {
  border-color: var(--loi) !important;
}
textarea {
  resize: vertical;
}
fieldset {
  margin: 14px 0 0;
  padding: 0;
  border: 0;
}
legend {
  margin-bottom: 6px;
  padding: 0;
  font-weight: 800;
}
.hai-cot {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 12px;
}
@media (max-width: 480px) {
  .hai-cot {
    grid-template-columns: 1fr;
  }
}
.hop-chon {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 600;
  cursor: pointer;
}
.hop-chon input {
  flex: none;
  width: 22px;
  height: 22px;
  margin: 3px 0 0;
  accent-color: var(--chinh);
}

/* ----- trang soạn ----- */
.soan {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 16px 40px;
}
.cot-soan h1 {
  margin: 4px 0 12px;
  font-size: 1.9rem;
}
.buoc {
  margin-bottom: 18px;
  padding: 18px 18px 20px;
  border: 1px solid var(--vien);
  border-radius: 24px;
  background: var(--trang);
}
.buoc h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
  font-size: 1.25rem;
}
.so {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--chinh);
  color: #fff;
  font-size: 1rem;
}
.ds-mau {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}
.the-mau {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 12px 14px;
  border: 2px solid var(--vien);
  border-radius: 18px;
  font-weight: 600;
  cursor: pointer;
}
.the-mau input {
  position: absolute;
  opacity: 0;
}
.the-mau:has(input:checked) {
  border-color: var(--chinh);
  background: var(--nhat);
}
.the-mau:has(input:focus-visible) {
  outline: 3px solid var(--chu);
  outline-offset: 2px;
}
.the-mau-bieu {
  flex: none;
  font-size: 2rem;
  line-height: 1;
}
.the-mau-chu {
  display: flex;
  flex-direction: column;
}
.the-mau-chu small,
.the-mau-lon small {
  color: var(--chu-nhat);
  font-size: 0.88rem;
  line-height: 1.35;
}
.chon-anh {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.xem-anh {
  flex: none;
  width: 96px;
  padding: 6px 6px 18px;
  background: #fff;
  box-shadow: 0 6px 16px -6px rgba(40, 20, 30, 0.35);
  transform: rotate(-3deg);
}
.xem-anh img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.nut-tep {
  position: relative;
  margin: 0;
}
.nut-tep input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.nut-tep:has(input:focus-visible) {
  outline: 3px solid var(--chu);
  outline-offset: 2px;
}
.ds-mau-sac,
.ds-chip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.o-mau,
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  min-height: 42px;
  padding: 4px 14px 4px 10px;
  border: 2px solid var(--vien);
  border-radius: 999px;
  background: var(--trang);
  font-weight: 600;
  cursor: pointer;
}
.chip {
  padding-left: 14px;
}
.o-mau input,
.chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.o-mau:has(input:checked),
.chip:has(input:checked) {
  border-color: var(--chinh);
  background: var(--nhat);
  font-weight: 800;
}
.o-mau:has(input:focus-visible),
.chip:has(input:focus-visible) {
  outline: 3px solid var(--chu);
  outline-offset: 2px;
}
.cham {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.6);
}
.o-mau-hong .cham { background: #c2255c; }
.o-mau-do .cham { background: #c0182f; }
.o-mau-bac-ha .cham { background: #0f7a62; }
.o-mau-kem .cham { background: #b4530f; }
.o-mau-tim .cham { background: #6a3fd6; }
.o-mau-troi .cham { background: #1867a8; }
.chip .bo {
  width: 28px;
  height: 28px;
  margin-right: -6px;
  border: 0;
  border-radius: 50%;
  background: var(--nhat);
  color: var(--chinh-dam);
  font: inherit;
  cursor: pointer;
}
.khoi-con {
  margin: 8px 0 4px 32px;
  padding-left: 14px;
  border-left: 3px solid var(--nhat);
}
.khoi-con > input {
  margin-top: 8px;
}
.them-dong {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}
.them-dong input {
  width: auto;
  margin: 0;
}
.ds-chon {
  display: grid;
  gap: 10px;
  margin: 12px 0;
}
.dong-chon {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  grid-template-areas: "bieu ten nut" "mota mota mota";
  gap: 6px;
  padding: 8px;
  border-radius: 16px;
  background: var(--nen);
}
.dong-chon input {
  margin: 0;
}
.dong-chon .o-bieu {
  grid-area: bieu;
  padding: 8px 4px;
  font-size: 1.2rem;
  text-align: center;
}
.dong-chon .o-mo-ta {
  grid-area: mota;
}
.nut-dong {
  grid-area: nut;
  display: flex;
  gap: 2px;
}
.nut-dong button {
  width: 36px;
  min-height: 44px;
  border: 0;
  border-radius: 10px;
  background: var(--trang);
  color: var(--chinh-dam);
  font: inherit;
  cursor: pointer;
}
.nut-dong button:disabled {
  opacity: 0.35;
  cursor: default;
}
.chip-chen {
  margin: 2px;
  padding: 2px 10px;
  border: 2px dashed var(--vien);
  border-radius: 999px;
  background: var(--trang);
  color: var(--chinh-dam);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
details summary {
  margin-top: 12px;
  font-weight: 800;
  cursor: pointer;
}
.thanh-gui {
  display: flex;
  gap: 10px;
}
.thanh-gui .nut {
  flex: 1;
  min-height: 54px;
  padding: 8px 12px;
  font-size: 1.1rem;
  white-space: nowrap;
}
.trang-thai {
  min-height: 1.4em;
  font-weight: 800;
}
.trang-thai:empty {
  min-height: 0;
  margin: 0;
}
.cot-xem {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
#dong-xem {
  flex: none;
  white-space: nowrap;
}
.thanh-xem {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.tab-xem {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  min-width: 0;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: var(--trang);
  box-shadow: inset 0 0 0 1px var(--vien);
}
.tab-xem button {
  flex: none;
  min-height: 36px;
  padding: 2px 11px;
  border: 0;
  border-radius: 999px;
  background: none;
  color: var(--chu);
  font: inherit;
  cursor: pointer;
}
.tab-xem button[aria-selected="true"] {
  background: var(--chinh);
  color: #fff;
  font-weight: 800;
}
.tab-xem button:disabled {
  opacity: 0.35;
  cursor: default;
}
.khung-xem {
  flex: 1;
  min-height: 0;
  overflow: auto;
  border: 8px solid #2b1a22;
  border-radius: 34px;
  transform: translateZ(0); /* tim bay và pháo hoa (position: fixed) nằm gọn trong khung */
}
.khung-xem.t-trang {
  min-height: 0;
  padding: 16px 12px 24px;
}
@media (min-width: 960px) {
  .soan {
    grid-template-columns: minmax(0, 1fr) 400px;
  }
  .cot-xem {
    position: sticky;
    top: 12px;
    align-self: start;
    height: calc(100vh - 24px);
  }
  .chi-dt {
    display: none !important;
  }
}
@media (max-width: 959px) {
  .soan {
    padding-bottom: 20px;
  }
  /* chừa đúng chỗ cho thanh Xem thử/Tạo link ghim dưới đáy (cao khoảng 76px) */
  .trang-tao .chan {
    margin-top: 0;
    padding-bottom: calc(84px + env(safe-area-inset-bottom));
  }
  .trang-tao.dang-go .chan {
    padding-bottom: 20px;
  }
  .cot-xem {
    display: none;
  }
  body.dang-xem {
    overflow: hidden;
  }
  body.dang-go .thanh-gui {
    display: none;
  }
  body.dang-xem .cot-xem {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    padding: max(10px, env(safe-area-inset-top)) 10px max(10px, env(safe-area-inset-bottom));
    background: var(--nen);
  }
  body.dang-xem .khung-xem {
    border-width: 0;
    border-radius: 20px;
  }
  .thanh-gui {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 20;
    padding: 10px 16px max(10px, env(safe-area-inset-bottom));
    border-top: 1px solid var(--vien);
    background: rgba(255, 247, 250, 0.96);
  }
}

/* ----- tạo xong ----- */
.xong {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  overflow: auto;
  padding: 16px;
  background: rgba(61, 34, 48, 0.45);
}
body.dang-xong {
  overflow: hidden;
}
.hop-xong {
  width: 100%;
  max-width: 540px;
  padding: 22px 20px;
  border-radius: 28px;
  background: var(--trang);
  box-shadow: 0 30px 60px -20px rgba(61, 34, 48, 0.5);
}
.hop-xong h2 {
  margin: 0 0 8px;
  font-size: 1.8rem;
}
.hop-xong h2:focus {
  outline: none;
}
.hop-xong h3 {
  margin: 22px 0 4px;
}
.o-link {
  display: flex;
  gap: 8px;
  margin: 8px 0;
}
.o-link input {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-size: 0.95rem;
}

/* ----- trang chủ ----- */
.trang-chu main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}
.mo-dau {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  align-items: center;
  gap: 24px;
  padding: 20px 0 30px;
}
.mo-dau h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 3.1rem);
}
.mo-dau p {
  max-width: 34em;
  font-size: 1.1rem;
}
.mo-dau-hinh {
  position: relative;
  justify-self: center;
  width: 260px;
  margin: 0;
  padding: 12px 12px 44px;
  background: #fff;
  box-shadow: 0 24px 50px -20px rgba(194, 37, 92, 0.55);
  transform: rotate(3deg);
}
.mo-dau-hinh img {
  display: block;
  width: 100%;
  height: auto;
}
.hinh-thu {
  position: absolute;
  top: -26px;
  left: -22px;
  font-size: 3rem;
  transform: rotate(-14deg);
}
.hinh-nut-co,
.hinh-nut-khong {
  position: absolute;
  bottom: -18px;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 800;
  white-space: nowrap;
}
.hinh-nut-co {
  left: -20px;
  background: var(--chinh);
  color: #fff;
}
.hinh-nut-khong {
  right: -40px;
  bottom: 40px;
  border: 2px solid var(--vien);
  background: #fff;
  color: var(--chinh-dam);
  transform: rotate(8deg);
}
@media (max-width: 760px) {
  .mo-dau {
    grid-template-columns: 1fr;
  }
  .mo-dau-hinh {
    width: 210px;
    margin: 10px 0 30px;
  }
  .hinh-nut-khong {
    right: -18px;
  }
}
.khoi {
  margin: 30px 0;
}
.khoi h2 {
  margin: 0 0 4px;
  font-size: 1.6rem;
}
.luoi-mau {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}
.luoi-mau li {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--vien);
  border-radius: 24px;
  background: var(--trang);
  overflow: hidden;
}
.the-mau-lon {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 4px;
  padding: 18px;
  color: var(--chu);
  text-decoration: none;
}
.the-mau-lon:hover {
  background: var(--nhat);
}
.the-mau-lon b {
  font-size: 1.2rem;
}
.xem-mau {
  padding: 10px 18px;
  border-top: 1px dashed var(--vien);
  font-weight: 800;
}
.buoc-dung {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: buoc;
}
.buoc-dung li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px;
  border-radius: 24px;
  background: var(--nen-dam);
  counter-increment: buoc;
}
.buoc-dung li::before {
  content: counter(buoc);
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--chinh);
  color: #fff;
  font-weight: 800;
}
.buoc-dung b {
  font-size: 1.15rem;
}
.khoi details {
  padding: 4px 16px 4px;
  border-bottom: 1px dashed var(--vien);
}
.khoi details p {
  margin: 6px 0 12px;
}

/* ----- trang quản lý, trang chữ ----- */
.khung-hep {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 16px;
}
.khung-hep h1 {
  font-size: 1.9rem;
}
.hop {
  margin: 16px 0;
  padding: 16px 18px;
  border: 1px solid var(--vien);
  border-radius: 24px;
  background: var(--trang);
}
.hop h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}
.o-trang-thai .lon {
  margin: 4px 0;
  font-size: 1.35rem;
  font-weight: 800;
}
.o-trang-thai.dong-y .lon {
  color: var(--chinh-dam);
}
.bang {
  display: grid;
  gap: 4px;
  margin: 10px 0;
  padding: 10px 14px;
  border-radius: 16px;
  background: var(--nhat);
}
.bang div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.bang dt {
  color: var(--chu-nhat);
}
.bang dd {
  margin: 0;
  font-weight: 800;
  text-align: right;
  overflow-wrap: anywhere;
}
blockquote {
  margin: 12px 0;
  padding: 10px 14px;
  border-left: 4px solid var(--chinh);
  border-radius: 0 14px 14px 0;
  background: var(--nen);
}
blockquote p {
  margin: 0 0 4px;
  white-space: pre-line;
  overflow-wrap: anywhere;
}
blockquote cite {
  color: var(--chu-nhat);
  font-size: 0.88rem;
  font-style: normal;
}
.ds-thiep {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}
.ds-thiep a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--vien);
  border-radius: 20px;
  background: var(--trang);
  color: var(--chu);
  text-decoration: none;
}
.ds-thiep a:hover {
  border-color: var(--chinh);
}
.ds-thiep a > span:last-child {
  display: flex;
  flex-direction: column;
}
.ds-thiep small {
  color: var(--chu-nhat);
}
.dan-link {
  margin-top: 20px;
}
.dan-link .nut {
  margin-top: 8px;
}
.chu-dai {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}
.chu-dai h1 {
  font-size: 2rem;
}
.chu-dai h2 {
  margin-top: 28px;
  font-size: 1.3rem;
}
.chu-dai li {
  margin: 6px 0;
}

/* điện thoại: mẫu xếp 2 cột, chỉ biểu tượng và tên (để cuối file cho đè được quy tắc gốc ở trên) */
@media (max-width: 480px) {
  .ds-mau {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .the-mau {
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    padding: 10px 6px;
    text-align: center;
  }
  .the-mau-chu small {
    display: none;
  }
  .o-link input {
    font-size: 1rem; /* dưới 16px thì Safari iPhone phóng to trang khi chạm vào ô */
  }
}
@media (max-width: 340px) {
  .thanh-gui .nut {
    font-size: 1rem;
  }
}