/* Giao diện theo phong cách hdbank.com.vn: đỏ chủ đạo, nút vàng bo tròn, chữ Be Vietnam đậm,
   khối bo góc lớn, dải chuyển màu vàng cam đỏ. Chỉ có giao diện sáng như trang gốc. */
:root {
  color-scheme: light;
  --red: #e8001e;          /* đỏ HDBank (#F00020) chỉnh nhẹ để chữ trắng trên nền đỏ đạt 4.5:1 */
  --red-hover: #c80019;
  --red-soft: #fff4f5;
  --red-line: #f6b9c1;
  --red-dark: #b5001a;     /* đỏ cho chữ đặt trên nền vàng */
  --yellow: #ffd643;
  --yellow-2: #fdb813;
  --cream: #fff9e2;
  --orange: #ff8a1f;
  --ink: #333333;
  --ink-strong: #000000;
  --muted: #6f7279;
  --line: #e7e9ed;
  --line-strong: #cfd3d9;
  --grey-bg: #f6f8fa;
  --grey-pill: #e8e9eb;
  --footer-bg: #f4f4f4;
  --surface: #ffffff;
  --ok: #0b7a3b;
  --ok-soft: #e9f6ee;
  --warn-ink: #7a5200;
  --err: #d0021b;
  --focus: #e8001e;
  --shadow: 0 10px 40px -14px rgba(0, 0, 0, 0.16);
  --shadow-sm: 0 4px 14px -6px rgba(0, 0, 0, 0.14);
  --radius-xl: 24px;
  --radius: 16px;
  --topbar-h: 76px;
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --font: "Be Vietnam Pro", "Be Vietnam", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  /* tên cũ vẫn dùng trong admin.css */
  --accent: var(--red);
  --accent-soft: var(--red-soft);
  --surface-2: var(--grey-bg);
  --ink-2: var(--ink);
  --shadow-lift: var(--shadow);
}
@media (max-width: 760px) { :root { --topbar-h: 64px; } }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--topbar-h) + 12px); }
body {
  margin: 0; background: var(--surface); color: var(--ink);
  font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased;
}
body.has-bar { padding-bottom: 80px; }
h1, h2, h3 { color: var(--ink-strong); letter-spacing: -0.01em; }
a { color: var(--red); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 760px) { .container { padding: 0 16px; } }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* ---------- Thanh điều hướng trên cùng ---------- */
.topbar {
  position: sticky; top: 0; z-index: 30; background: rgba(255, 255, 255, 0.97);
  -webkit-backdrop-filter: saturate(1.4) blur(8px); backdrop-filter: saturate(1.4) blur(8px);
  transition: box-shadow 0.25s;
}
.topbar.scrolled { box-shadow: 0 6px 20px -12px rgba(0, 0, 0, 0.25); }
.topbar-inner { height: var(--topbar-h); display: flex; align-items: center; gap: 32px; }
.brand { display: flex; align-items: center; gap: 14px; flex: none; text-decoration: none; }
.brand img { display: block; height: 48px; width: auto; }
/* Logo Viện Victoria đứng cạnh HDBank, ngăn bằng vạch mảnh */
.brand .brand-co { height: 36px; }
.brand-sep { flex: none; width: 1px; height: 30px; background: var(--line-strong); }
.mainnav { display: flex; gap: 28px; flex: 1; }
.mainnav a { color: var(--ink-strong); text-decoration: none; font-size: 17px; font-weight: 500; position: relative; padding: 6px 0; transition: color 0.2s; white-space: nowrap; }
.mainnav a:hover { color: var(--red); }
.mainnav a.is-active { color: var(--red); font-weight: 700; }
.top-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.pill {
  display: inline-flex; align-items: center; justify-content: center; height: 42px; padding: 0 22px; border-radius: 50px;
  font-size: 15px; font-weight: 600; text-decoration: none; white-space: nowrap; border: 0;
}
.pill-grey { background: rgba(232, 233, 235, 0.85); color: var(--ink-strong); }
.pill-yellow {
  background: linear-gradient(90deg, var(--yellow), var(--yellow-2)); color: var(--ink); font-weight: 700;
  box-shadow: 0 6px 14px -8px rgba(240, 160, 0, 0.9); transition: transform 0.15s var(--ease-out), box-shadow 0.2s;
}
.pill-yellow:hover { transform: translateY(-1px); box-shadow: 0 10px 18px -8px rgba(240, 160, 0, 0.95); }
/* Thêm logo Victoria: viên hạn chót ẩn sớm hơn để menu không bị dồn xuống dòng */
@media (max-width: 1120px) { #deadlinePill { display: none; } }
@media (max-width: 1000px) { .mainnav { display: none; } }
@media (max-width: 760px) {
  .brand img { height: 40px; }
  .brand .brand-co { height: 30px; }
  .pill { height: 38px; padding: 0 16px; font-size: 14px; }
}

/* ---------- Đường dẫn ---------- */
.crumbs { background: var(--grey-bg); }
.crumbs-inner { height: 54px; display: flex; align-items: center; gap: 14px; font-size: 15.5px; color: var(--ink); white-space: nowrap; overflow: hidden; }
.crumb-home svg { width: 22px; height: 22px; fill: #333; display: block; }
.crumb-sep { width: 14px; height: 14px; fill: none; stroke: #333; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.crumb-current { font-weight: 600; color: var(--ink-strong); overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 560px) { .crumbs-inner { font-size: 14px; gap: 10px; } }

/* ---------- Banner ---------- */
.banner {
  position: relative; overflow: hidden; isolation: isolate;
  background:
    radial-gradient(60% 90% at 85% 10%, rgba(255, 255, 255, 0.45), transparent 60%),
    linear-gradient(118deg, #ffe58a 0%, #ffcf3f 36%, #ffae2b 70%, #ff8f1f 100%);
}
.banner-deco i { position: absolute; z-index: -1; border-radius: 50%; pointer-events: none; animation: floaty 9s ease-in-out infinite alternate; }
.banner-deco i:nth-child(1) { width: 380px; height: 380px; right: -90px; top: -150px; background: rgba(255, 255, 255, 0.22); }
.banner-deco i:nth-child(2) { width: 240px; height: 240px; left: -80px; bottom: -120px; background: rgba(255, 255, 255, 0.18); animation-duration: 11s; }
.banner-deco i:nth-child(3) { width: 110px; height: 110px; left: 46%; top: 22px; border: 2px solid rgba(255, 255, 255, 0.55); animation-duration: 7s; }
.banner-deco i:nth-child(4), .banner-deco i:nth-child(5) {
  width: 16px; height: 16px; border-radius: 3px; background: rgba(255, 255, 255, 0.85); transform: rotate(45deg);
}
.banner-deco i:nth-child(4) { left: 40%; bottom: 36px; animation-name: twinkle; animation-duration: 3.2s; }
.banner-deco i:nth-child(5) { right: 34%; top: 40px; width: 10px; height: 10px; animation-name: twinkle; animation-duration: 2.6s; }
@keyframes floaty { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(-18px, 14px, 0); } }
@keyframes twinkle { 0%, 100% { opacity: 0.25; transform: rotate(45deg) scale(0.7); } 50% { opacity: 1; transform: rotate(45deg) scale(1.1); } }

.banner-inner { display: grid; grid-template-columns: minmax(0, 1fr) 430px; gap: 48px; align-items: center; padding-top: 52px; padding-bottom: 56px; }
.banner-inner.no-slider { grid-template-columns: minmax(0, 1fr); }
.banner .eyebrow { margin: 0 0 10px; font-size: 14px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--red-dark); }
.banner h1 { margin: 0 0 14px; font-size: clamp(30px, 4.4vw, 46px); line-height: 1.15; font-weight: 800; text-wrap: balance; }
.banner .lede { margin: 0; max-width: 56ch; font-size: 17.5px; color: #2b2b2b; }
.banner .deadline {
  margin: 22px 0 0; display: inline-flex; align-items: center; gap: 10px; height: 44px; padding: 0 20px 0 16px;
  background: #fff; border-radius: 50px; font-size: 15px; font-weight: 700; color: var(--ink-strong);
  box-shadow: 0 8px 20px -12px rgba(160, 80, 0, 0.6);
}
.banner .deadline::before {
  content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--red);
  animation: beacon 2.2s ease-out infinite;
}
@keyframes beacon {
  0% { box-shadow: 0 0 0 0 rgba(232, 0, 30, 0.5); }
  70%, 100% { box-shadow: 0 0 0 9px rgba(232, 0, 30, 0); }
}
@media (max-width: 900px) {
  .banner-inner { grid-template-columns: minmax(0, 1fr); gap: 26px; padding-top: 32px; padding-bottom: 36px; }
}
@media (max-width: 560px) {
  .banner-inner.has-slider .lede { display: none; }
}

/* Slide giới thiệu: thẻ trắng trên banner, chấm đỏ như carousel của HDBank */
.hero-slider {
  position: relative; background: #fff; border-radius: var(--radius-xl); padding: 26px 26px 18px;
  box-shadow: 0 24px 48px -24px rgba(150, 60, 0, 0.55); touch-action: pan-y; user-select: none;
}
.slides { display: grid; }
.slide { grid-area: 1 / 1; visibility: hidden; opacity: 0; }
.slide.is-active { visibility: visible; opacity: 1; }
.slide-icon {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 16px;
  background: var(--red-soft); color: var(--red);
}
.slide-icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.slide-kicker { margin: 0 0 4px; font-size: 12.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--red); font-weight: 800; }
.slide-title { margin: 0 0 8px; font-size: 23px; line-height: 1.25; font-weight: 800; color: var(--ink-strong); }
.slide-text { margin: 0; font-size: 15.5px; line-height: 1.6; color: var(--ink); }
.slider-nav { display: flex; align-items: center; gap: 12px; margin-top: 20px; }
.slider-dots { display: flex; gap: 8px; flex: 1; justify-content: center; }
.slider-dot {
  position: relative; overflow: hidden; width: 10px; height: 10px; padding: 0; border: 0; border-radius: 999px; cursor: pointer;
  background: #d9d9d9; transition: width 0.35s var(--ease-out), background-color 0.3s;
}
.slider-dot:hover { background: #bdbdbd; }
.slider-dot[aria-current="true"] { width: 32px; background: #f9c9ce; }
.dot-fill { position: absolute; inset: 0; background: var(--red); border-radius: inherit; transform: scaleX(0); transform-origin: left; }
.slider-dot[aria-current="true"] .dot-fill { transform: scaleX(1); }
.slider-arrow {
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; cursor: pointer; flex: none;
  background: #fff; border: 1px solid var(--line-strong); color: var(--ink);
  transition: background-color 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
}
.slider-arrow:hover { border-color: var(--red); color: var(--red); }
.slider-arrow:active { transform: scale(0.92); }
.slider-arrow svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }

/* Xuất hiện lần lượt khi tải trang */
.reveal { animation: fadeUp 0.7s var(--ease-out) both; }
.d1 { animation-delay: 0.05s; } .d2 { animation-delay: 0.12s; } .d3 { animation-delay: 0.2s; }
.d4 { animation-delay: 0.28s; } .d5 { animation-delay: 0.36s; } .d6 { animation-delay: 0.46s; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---------- Khối khảo sát hai cột ---------- */
.page { margin-top: 44px; }
.survey-card {
  display: grid; grid-template-columns: 340px minmax(0, 1fr); align-items: start;
  background: #fff; border-radius: var(--radius-xl); box-shadow: var(--shadow); border: 1px solid #f0f1f3;
}
.side {
  position: sticky; top: calc(var(--topbar-h) + 16px);
  border-radius: var(--radius-xl); padding: 34px 24px 28px; color: #fff;
  background: linear-gradient(180deg, #ffc531 0%, #ffa82b 26%, #ff7a22 56%, #f03a26 82%, #e0001b 100%);
}
/* Cột trái dính khi cuộn; dài hơn màn hình thì cuộn bên trong, chừa chỗ cho thanh nút dưới cùng */
@media (min-width: 1001px) {
  .side { max-height: calc(100vh - var(--topbar-h) - 32px); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: rgba(255, 255, 255, 0.6) transparent; }
  body.has-bar .side { max-height: calc(100vh - var(--topbar-h) - 32px - 76px); }
}
.side.compact { padding-top: 26px; }
.side.compact .side-title { font-size: 24px; }
.side.compact .side-sub { margin-bottom: 14px; }
.side.compact .steps { gap: 8px; }
.side.compact .step-card { padding: 10px 14px; font-size: 14.5px; }
.side.compact .step-card .dot { width: 28px; height: 28px; font-size: 13px; }
.side.compact .side-cats { margin-top: 18px; }
.side-title { margin: 0; text-align: center; color: #fff; font-size: 30px; font-weight: 800; line-height: 1.2; text-shadow: 0 2px 0 rgba(180, 70, 0, 0.35), 0 0 18px rgba(170, 60, 0, 0.45); }
.side-sub { display: block; width: fit-content; margin: 10px auto 18px; padding: 4px 14px; border-radius: 999px; background: #fff; color: var(--red); font-weight: 700; font-size: 13.5px; box-shadow: 0 4px 10px -6px rgba(140, 50, 0, 0.6); }

/* Thẻ có sọc chéo đỏ cam vàng ở góc, giống thẻ danh mục trên hdbank.com.vn */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.step-card, .cat-card {
  position: relative; overflow: hidden; display: flex; align-items: center; gap: 12px;
  background: linear-gradient(90deg, #ffffff 0%, #fff4d6 100%); border-radius: var(--radius);
  color: var(--ink); box-shadow: 0 4px 12px -6px rgba(120, 40, 0, 0.35);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s, background-color 0.25s, color 0.25s;
}
.step-card::before, .cat-card::before {
  content: ""; position: absolute; left: 0; top: 0; width: 30px; height: 30px; pointer-events: none;
  background: linear-gradient(135deg, var(--red) 0 7px, #ff8a1f 7px 13px, var(--yellow) 13px 19px, transparent 19px);
}
.step-card { padding: 16px 18px; font-size: 16px; font-weight: 700; }
.step-card .dot {
  position: relative; flex: none; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center;
  background: #f1f1f1; color: #555; font-size: 14px; font-weight: 800; transition: background-color 0.3s, color 0.3s;
}
.step-card .lbl { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.step-card.active { background: #fff; color: var(--ink-strong); transform: translateX(6px); box-shadow: 0 12px 24px -10px rgba(140, 0, 10, 0.55); }
.step-card.active .dot { background: var(--red); color: #fff; animation: pop 0.45s var(--ease-out), ring 1.6s 0.45s ease-out 2; }
.step-card.done .dot { background: var(--ok-soft); color: transparent; }
.step-card.done .dot::after {
  content: ""; position: absolute; left: 50%; top: 45%; width: 6px; height: 11px;
  border: solid var(--ok); border-width: 0 2.4px 2.4px 0;
  transform: translate(-50%, -50%) rotate(45deg); animation: tick 0.35s var(--ease-out);
}
@keyframes pop { 0% { transform: scale(0.7); } 60% { transform: scale(1.12); } 100% { transform: scale(1); } }
@keyframes ring { 0% { box-shadow: 0 0 0 0 rgba(232, 0, 30, 0.45); } 100% { box-shadow: 0 0 0 10px rgba(232, 0, 30, 0); } }
@keyframes tick { from { opacity: 0; transform: translate(-50%, -50%) rotate(45deg) scale(0.4); } to { opacity: 1; transform: translate(-50%, -50%) rotate(45deg) scale(1); } }

.side-cats { margin-top: 26px; }
.side-cats-title { margin: 0 0 10px; font-size: 13px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: #fff; text-align: center; text-shadow: 0 1px 6px rgba(120, 20, 0, 0.5); }
.cat-list { display: grid; gap: 8px; }
.cat-card {
  width: 100%; border: 0; cursor: pointer; font: inherit; font-size: 14.5px; font-weight: 600; text-align: left;
  padding: 11px 14px 11px 16px; justify-content: space-between;
}
.cat-card:hover { transform: translateX(4px); }
.cat-card .n { flex: none; min-width: 30px; height: 24px; padding: 0 8px; border-radius: 999px; display: grid; place-items: center; background: var(--red-soft); color: var(--red); font-size: 12.5px; font-weight: 800; }
.cat-card[aria-pressed="true"] { background: #fff; color: var(--red); font-weight: 800; transform: translateX(6px); box-shadow: 0 10px 22px -10px rgba(140, 0, 10, 0.55); }
.cat-card[aria-pressed="true"] .n { background: var(--red); color: #fff; }

.content { min-width: 0; }
.panel { padding: 34px 40px 36px; }
.panel.flush { padding: 0; }
.panel-head { padding: 34px 40px 6px; }
.panel h2 { margin: 0 0 8px; font-size: 26px; line-height: 1.25; font-weight: 800; text-wrap: balance; }
.panel h3 { margin: 30px 0 10px; font-size: 18px; font-weight: 800; }
.hint { margin: 0 0 18px; color: var(--ink); font-size: 15.5px; }
.req { color: var(--red); }
.opt { color: var(--muted); font-weight: 400; font-size: 13.5px; }

.notice {
  margin: 24px 40px 0; padding: 14px 18px; border-radius: 14px;
  background: var(--cream); color: var(--warn-ink); font-size: 15px;
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
}
.notice.ok { background: var(--ok-soft); color: var(--ok); }
.notice .btn { min-height: 36px; padding: 0 16px; font-size: 14px; }

/* ---------- Biểu mẫu ---------- */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; }
.span2 { grid-column: 1 / -1; }
.field label { display: block; font-weight: 600; font-size: 14.5px; margin-bottom: 7px; color: var(--ink-strong); }
input[type="text"], input:not([type]), input[type="email"], input[type="password"], input[type="search"], input[type="number"], input[type="tel"], select, textarea {
  width: 100%; font: inherit; color: var(--ink-strong); background: var(--grey-bg);
  border: 1px solid var(--line); border-radius: 12px; padding: 11px 14px; min-height: 50px;
  transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}
input::placeholder, textarea::placeholder { color: #9a9ca3; }
input:hover, select:hover, textarea:hover { border-color: var(--line-strong); }
textarea { resize: vertical; min-height: 110px; }
input:focus, select:focus, textarea:focus { outline: none; background: #fff; border-color: var(--red); box-shadow: 0 0 0 4px rgba(232, 0, 30, 0.1); }
input[aria-invalid="true"] { border-color: var(--err); background: #fff; box-shadow: 0 0 0 4px rgba(208, 2, 27, 0.1); }
.err { min-height: 20px; margin: 5px 0 8px; color: var(--err); font-size: 13.5px; font-weight: 500; }
.err:not(:empty) { animation: fadeIn 0.25s ease; }
.err.block:empty { display: none; }
.err.block { margin: 0 40px 14px; padding: 12px 14px; border-radius: 12px; background: var(--red-soft); font-size: 14.5px; }
#step3 .err.block { margin: 14px 0 0; }
.privacy { margin: 10px 0 0; font-size: 14px; color: var(--muted); }
.actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 24px; }
.actions.center { justify-content: center; }

/* ---------- Nút dạng viên thuốc ---------- */
.btn {
  position: relative; overflow: hidden; display: inline-flex; align-items: center; justify-content: center;
  font: inherit; font-weight: 700; font-size: 15.5px; border-radius: 50px; padding: 0 30px; min-height: 48px;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: background-color 0.2s, border-color 0.2s, box-shadow 0.25s, transform 0.15s var(--ease-out), color 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn.primary {
  background: linear-gradient(90deg, var(--yellow), var(--yellow-2)); color: var(--ink);
  box-shadow: 0 8px 18px -10px rgba(230, 150, 0, 0.95);
}
.btn.primary:hover { box-shadow: 0 12px 22px -10px rgba(230, 150, 0, 1); }
.btn.primary::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 30%, rgba(255, 255, 255, 0.55) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform 0.8s var(--ease-out);
}
.btn.primary:hover::after { transform: translateX(120%); }
.btn.primary:disabled { opacity: 0.8; cursor: progress; transform: none; }
.btn.ghost { background: var(--grey-pill); color: var(--ink-strong); }
.btn.ghost:hover { background: #dcdde0; }
.btn.outline { background: #fff; color: var(--red); border-color: var(--red); }
.btn.link { background: none; border: none; color: var(--red); padding: 4px 0; min-height: 0; font-weight: 700; overflow: visible; }
.btn.link:hover { text-decoration: underline; text-underline-offset: 3px; }
.btn.link:hover, .btn.link:active { transform: none; }
.btn.loading::before {
  content: ""; display: inline-block; width: 15px; height: 15px; margin-right: 9px;
  border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Bước 2: thanh lọc, danh mục ---------- */
.toolbar {
  position: sticky; top: var(--topbar-h); z-index: 5; background: #fff;
  padding: 14px 40px; border-bottom: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; transition: box-shadow 0.25s;
}
.toolbar.stuck { box-shadow: 0 12px 18px -16px rgba(0, 0, 0, 0.4); }
.search { position: relative; flex: 1 1 280px; }
.search svg { position: absolute; right: 16px; top: 50%; width: 19px; height: 19px; transform: translateY(-50%); fill: none; stroke: var(--ink-strong); stroke-width: 2; stroke-linecap: round; }
.search input { padding-right: 46px; border-radius: 50px; padding-left: 20px; }
.filters { display: flex; gap: 8px; flex: 1 1 100%; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }
.filter {
  flex: none; font: inherit; font-size: 14px; font-weight: 600; padding: 8px 16px; border-radius: 999px;
  background: var(--cream); color: var(--ink); border: 0; cursor: pointer; min-height: 38px;
  transition: background-color 0.2s, color 0.2s, transform 0.15s;
}
.filter:hover { background: #ffefb8; }
.filter:active { transform: scale(0.96); }
.filter[aria-pressed="true"] { background: var(--red); color: #fff; }
.filter .n { font-weight: 500; opacity: 0.75; margin-left: 4px; }
.only-selected { font-size: 14.5px; color: var(--ink); display: flex; align-items: center; gap: 8px; cursor: pointer; }
.only-selected input { accent-color: var(--red); width: 17px; height: 17px; }
/* Máy tính: lọc bằng thẻ nhóm ở cột trái, ẩn hàng thẻ lọc trên thanh công cụ */
@media (min-width: 1001px) { .filters { display: none; } }

.catalog { padding: 6px 40px 34px; }
.section { margin-top: 28px; }
.section-head { display: flex; align-items: center; gap: 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line); position: relative; transition: opacity 0.5s ease, transform 0.5s var(--ease-out); }
.section-head::after { content: ""; position: absolute; left: 0; bottom: -1px; height: 3px; width: 64px; border-radius: 3px; background: var(--red); }
.section-head .code { flex: none; min-width: 34px; height: 28px; padding: 0 8px; border-radius: 999px; display: grid; place-items: center; background: var(--red); color: #fff; font-weight: 800; font-size: 13px; }
.section-head h3 { margin: 0; font-size: 22px; font-weight: 800; }
.section-sub { margin: 8px 0 4px; color: var(--muted); font-size: 14px; }
.group-title { margin: 20px 0 8px; font-size: 15.5px; font-weight: 800; color: var(--ink-strong); }
.group-title.l2 { margin-top: 12px; padding-left: 12px; border-left: 3px solid var(--yellow-2); font-weight: 700; }
.group-note { font-weight: 400; color: var(--muted); }

.course {
  border: 1px solid var(--line); border-radius: var(--radius); margin: 10px 0; background: #fff;
  transition: border-color 0.2s, background-color 0.25s, box-shadow 0.25s, opacity 0.5s ease, transform 0.5s var(--ease-out);
}
.course:hover { border-color: var(--red-line); box-shadow: var(--shadow-sm); }
.course.l3 { margin-left: 14px; }
.course.selected { border-color: var(--red); background: var(--red-soft); box-shadow: inset 4px 0 0 var(--red), 0 8px 20px -14px rgba(232, 0, 30, 0.7); }
.course.invalid { border-color: var(--err); box-shadow: inset 4px 0 0 var(--err); }
.course.pre, .section-head.pre { opacity: 0; transform: translateY(14px); }
.course.pre.in, .section-head.pre.in { opacity: 1; transform: none; }
.course-head { display: grid; grid-template-columns: 22px 1fr; gap: 14px; padding: 15px 18px; cursor: pointer; align-items: start; }
.course-head input { width: 20px; height: 20px; margin: 3px 0 0; accent-color: var(--red); cursor: pointer; transition: transform 0.15s; }
.course-head input:active { transform: scale(0.88); }
.course-title { font-weight: 700; line-height: 1.45; color: var(--ink-strong); }
.course-title .tt { color: var(--red); font-weight: 800; margin-right: 6px; font-variant-numeric: tabular-nums; }
.course-details { margin: 4px 0 0; color: var(--ink); font-size: 14px; }
.meta { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: 6px; font-size: 13.5px; color: var(--ink); }
.meta .k { color: var(--muted); }
.badge { display: inline-block; margin-top: 8px; font-size: 12.5px; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: var(--cream); color: var(--warn-ink); }
.course-opts { padding: 2px 18px 18px 54px; display: grid; gap: 14px; }
.opt-label { font-size: 14px; font-weight: 700; margin-bottom: 8px; display: block; color: var(--ink-strong); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; border: 0; margin: 0; padding: 0; min-width: 0; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip span {
  display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 38px; padding: 0 14px;
  border: 1px solid var(--line-strong); border-radius: 999px; background: #fff; font-size: 14px; font-weight: 600; cursor: pointer;
  font-variant-numeric: tabular-nums; user-select: none; color: var(--ink-strong);
  transition: background-color 0.18s, color 0.18s, border-color 0.18s, transform 0.12s, box-shadow 0.2s;
}
.chip span:hover { border-color: var(--red); color: var(--red); }
.chip span:active { transform: scale(0.93); }
.chip input:checked + span {
  background: var(--red); color: #fff; border-color: var(--red);
  box-shadow: 0 6px 12px -6px rgba(232, 0, 30, 0.8); animation: chipPop 0.28s var(--ease-out);
}
.chip input:focus-visible + span { outline: 2px solid var(--focus); outline-offset: 2px; }
@keyframes chipPop { 0% { transform: scale(0.9); } 60% { transform: scale(1.06); } 100% { transform: scale(1); } }
.months { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 6px; }
.months .chip span { min-width: 0; width: 100%; padding: 0; }
.course-opts input.note { min-height: 44px; padding: 9px 14px; font-size: 14.5px; background: #fff; }
.course .err { margin: 0; min-height: 0; }
.empty { text-align: center; color: var(--muted); padding: 28px; }

/* ---------- Thanh dưới cùng ---------- */
.bottombar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 25;
  background: rgba(255, 255, 255, 0.96); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-top: 1px solid var(--line); padding: 12px 0 calc(12px + env(safe-area-inset-bottom));
  box-shadow: 0 -12px 28px -20px rgba(0, 0, 0, 0.35);
}
.bar-inner { display: flex; align-items: center; gap: 12px; }
.picked { flex: 1; text-align: center; font-size: 15px; color: var(--ink); }
.picked strong { color: var(--red); display: inline-block; min-width: 1ch; font-weight: 800; }

/* ---------- Bước 3 ---------- */
.who { display: flex; align-items: center; gap: 14px; padding: 16px 18px; background: var(--grey-bg); border-radius: var(--radius); font-size: 15px; }
.avatar { flex: none; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(140deg, #ff5a3c, var(--red)); color: #fff; font-weight: 800; font-size: 17px; }
.who strong { font-size: 16px; color: var(--ink-strong); }
.who .sub { color: var(--ink); font-size: 14px; }
.count { color: var(--muted); font-weight: 500; }
.review { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.review:empty { display: none; }
.review-row { display: grid; grid-template-columns: 80px 1fr auto; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line); font-size: 15px; align-items: baseline; }
.review-row:first-child { border-top: 0; }
.review-row:nth-child(even) { background: #fcfcfd; }
.review-row .tt { color: var(--red); font-weight: 800; font-variant-numeric: tabular-nums; }
.review-row .sub { color: var(--muted); font-size: 13.5px; }
.review-row .m { font-weight: 800; white-space: nowrap; font-variant-numeric: tabular-nums; color: var(--ink-strong); }
.stagger > * { animation: fadeUp 0.45s var(--ease-out) both; }
.review-empty { padding: 14px 16px; color: var(--muted); font-size: 15px; }
.proposal { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; background: var(--grey-bg); display: grid; gap: 10px; }
.proposal input { background: #fff; }
.proposal-head { display: flex; justify-content: space-between; align-items: center; font-weight: 700; font-size: 14.5px; color: var(--ink-strong); }

/* ---------- Hoàn tất ---------- */
.panel.done { text-align: center; padding-top: 40px; }
.done-icon {
  position: relative; width: 82px; height: 82px; margin: 4px auto 20px; border-radius: 50%;
  background: var(--ok-soft); display: grid; place-items: center; animation: pop 0.55s var(--ease-out) both;
}
.done-icon::after { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--ok); animation: ripple 1.2s 0.3s ease-out both; }
.done-icon svg { width: 40px; height: 40px; fill: none; stroke: var(--ok); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.done-icon path { stroke-dasharray: 24; stroke-dashoffset: 24; animation: draw 0.5s 0.35s var(--ease-out) forwards; }
.spark { position: absolute; left: 50%; top: 50%; width: 8px; height: 8px; border-radius: 2px; pointer-events: none; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes ripple { from { opacity: 0.7; transform: scale(1); } to { opacity: 0; transform: scale(1.7); } }
.panel.done h2 { font-size: 28px; }
.panel.done .review { text-align: left; margin-top: 20px; }

/* ---------- Thông tin + câu hỏi thường gặp ---------- */
.info-row { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 24px; margin: 48px 0 56px; }
.info-card { background: var(--grey-bg); border-radius: var(--radius-xl); padding: 40px; }
.info-card h2, .faq-card h2 { margin: 0 0 24px; font-size: 30px; font-weight: 800; text-align: center; }
.facts { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.facts li { display: flex; gap: 16px; align-items: center; }
.fact-ico { flex: none; width: 50px; height: 50px; border-radius: 50%; background: #fff; display: grid; place-items: center; color: var(--red); box-shadow: var(--shadow-sm); }
.fact-ico svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.facts strong { display: block; color: var(--ink-strong); font-size: 16px; }
.facts span { color: var(--ink); font-size: 15px; }
.faq-card { border-radius: var(--radius-xl); padding: 40px 36px; color: #2a1600; background: linear-gradient(160deg, #ffc24a 0%, #ffa02e 50%, #ff7f1f 100%); }
.faq-card h2 { color: #fff; text-shadow: 0 2px 0 rgba(180, 70, 0, 0.3), 0 0 16px rgba(170, 60, 0, 0.4); }
.faq-card details { border-bottom: 1px solid rgba(80, 30, 0, 0.18); padding: 12px 0; }
.faq-card details:last-of-type { border-bottom: 0; }
.faq-card summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 14px; font-weight: 600; font-size: 16.5px; line-height: 1.4;
}
.faq-card summary::-webkit-details-marker { display: none; }
.faq-card summary::before {
  content: "?"; flex: none; width: 26px; height: 26px; border-radius: 50%; background: #fff; color: #ff8a1f;
  display: grid; place-items: center; font-weight: 800; font-size: 15px;
}
.faq-card summary::after {
  content: ""; flex: none; margin-left: auto; width: 9px; height: 9px; border: solid #2a1600; border-width: 0 2.2px 2.2px 0;
  transform: rotate(45deg); transition: transform 0.25s;
}
.faq-card details[open] summary::after { transform: rotate(-135deg); }
.faq-card details p { margin: 10px 0 4px 40px; font-size: 15px; line-height: 1.6; color: #2a1600; }
.faq-card details[open] p { animation: fadeUp 0.35s var(--ease-out); }
.faq-card summary:focus-visible { outline-color: #2a1600; }

/* ---------- Chân trang ---------- */
.site-footer { background: var(--footer-bg); padding: 52px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 32px; }
.foot-brand img { height: 50px; width: auto; display: block; }
.foot-logos { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.foot-logos .brand-co { height: 38px; }
.foot-contact { margin: 16px 0 0; color: var(--ink); font-size: 15px; max-width: 42ch; }
/* Danh sách liên hệ: người phụ trách, điện thoại, email (bấm được) */
.contact-list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; }
.contact-list li { display: flex; align-items: center; gap: 10px; font-size: 15px; color: var(--ink); }
.contact-list svg { flex: none; width: 18px; height: 18px; fill: none; stroke: var(--red); stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.contact-list a { color: var(--ink-strong); font-weight: 600; text-decoration: none; }
.contact-list a:hover { color: var(--red); text-decoration: underline; text-underline-offset: 3px; }
.foot-grid .contact-list a, .foot-grid .contact-list span { display: inline; margin: 0; }
.facts a, .faq-card a { color: inherit; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.facts a:hover { color: var(--red); }
.foot-h { margin: 0 0 14px; font-weight: 800; color: var(--ink-strong); font-size: 15.5px; }
.foot-grid a, .foot-grid span { display: block; color: var(--ink); text-decoration: none; font-size: 15px; margin-bottom: 10px; }
.foot-grid a:hover { color: var(--red); }
.foot-bottom { margin: 36px 0 0; padding-top: 20px; border-top: 1px solid #dddddd; text-align: center; font-size: 14px; color: var(--ink); }

/* ---------- Màn hình vừa và nhỏ ---------- */
@media (max-width: 1000px) {
  .survey-card { grid-template-columns: minmax(0, 1fr); }
  .side { position: static; border-radius: var(--radius-xl) var(--radius-xl) 0 0; padding: 22px 18px 18px; }
  .side-title { font-size: 22px; }
  .side-sub { margin-bottom: 12px; }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .step-card { flex-direction: column; justify-content: center; gap: 6px; padding: 12px 6px 10px; font-size: 12.5px; text-align: center; }
  .step-card .lbl { white-space: normal; line-height: 1.3; }
  .step-card.active { transform: translateY(-2px); }
  .side-cats { display: none !important; }
  .info-row { grid-template-columns: minmax(0, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .months { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .page { margin-top: 24px; }
  .panel { padding: 24px 18px 26px; }
  .panel-head { padding: 24px 18px 4px; }
  .panel h2 { font-size: 22px; }
  .notice { margin: 18px 18px 0; }
  .toolbar { padding: 12px 18px; }
  .catalog { padding: 4px 18px 24px; }
  .err.block { margin: 0 18px 12px; }
  .course-head { padding: 13px 14px; gap: 12px; }
  .course-opts { padding-left: 14px; padding-right: 14px; }
  .course.l3 { margin-left: 0; }
  .review-row { grid-template-columns: 1fr; gap: 2px; }
  .review-row .m { white-space: normal; }
  .hero-slider { padding: 20px 18px 14px; }
  .slide-title { font-size: 20px; }
  .info-card, .faq-card { padding: 28px 20px; }
  .info-card h2, .faq-card h2 { font-size: 24px; }
  .btn { padding: 0 22px; }
  .bar-inner { gap: 8px; }
  .bar-inner .btn { padding: 0 18px; min-height: 44px; font-size: 15px; }
  .picked { font-size: 13.5px; white-space: nowrap; }
  .slide-icon { width: 42px; height: 42px; margin-bottom: 12px; }
  .slide-icon svg { width: 22px; height: 22px; }
}

/* Người dùng bật "giảm chuyển động": tắt hết hiệu ứng */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important; scroll-behavior: auto !important;
  }
  .banner-deco i { animation: none !important; }
  .course.pre, .section-head.pre { opacity: 1; transform: none; }
}

/* ======================================================================
   Phiếu theo đơn vị: nhóm trường, số lượng + đơn giá, đăng ký thêm,
   bảng xem lại, khung in và ký, tải bản ký lên
   ====================================================================== */
.fset { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px 6px; margin: 0 0 18px; }
.fset legend { padding: 0 8px; font-weight: 800; font-size: 15px; color: var(--red); }

/* Bước 1: chọn tạo phiếu mới hoặc mở lại phiếu đã lưu */
.mode-switch { display: inline-flex; gap: 4px; padding: 4px; margin: 0 0 18px; border-radius: 999px; background: var(--grey-bg); border: 1px solid var(--line); max-width: 100%; }
.mode-switch button {
  min-height: 42px; padding: 0 20px; border: 0; border-radius: 999px; background: transparent; color: var(--ink);
  font: inherit; font-size: 15px; font-weight: 700; cursor: pointer; transition: background-color 0.2s, color 0.2s, box-shadow 0.2s;
}
.mode-switch button:hover { color: var(--red); }
.mode-switch button[aria-selected="true"] { background: var(--red); color: #fff; box-shadow: 0 6px 16px -8px rgba(232, 0, 30, 0.7); }
.linklike { padding: 0; border: 0; background: none; color: var(--red); font: inherit; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.linklike:hover { color: var(--red-hover); }

/* Ô chọn đơn vị có danh sách gợi ý */
.combo { position: relative; }
.combo-list {
  position: absolute; z-index: 30; left: 0; right: 0; top: calc(100% + 6px); margin: 0; padding: 6px; list-style: none;
  max-height: 320px; overflow-y: auto; background: #fff; border: 1px solid var(--line-strong); border-radius: 14px;
  box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.28);
}
.combo-list li[role="option"] { padding: 10px 12px; border-radius: 10px; font-size: 15px; color: var(--ink-strong); cursor: pointer; }
.combo-list li[role="option"]:hover, .combo-list li.active { background: var(--red-soft); color: var(--red-dark); }
.combo-note { padding: 10px 12px; font-size: 14px; color: var(--muted); }
@media (max-width: 560px) {
  .mode-switch { display: flex; }
  .mode-switch button { flex: 1 1 0; padding: 0 10px; font-size: 14px; line-height: 1.25; }
}

.num-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr) minmax(0, 1.2fr); gap: 12px; align-items: end; }
.num-field { min-width: 0; }
.num-field .opt-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.course-opts input.num-in, .proposal input.num-in { min-height: 44px; padding: 8px 12px; background: #fff; font-variant-numeric: tabular-nums; }
.num-field.cost { padding-bottom: 10px; }
.cost-v { display: block; font-size: 16px; color: var(--red); font-variant-numeric: tabular-nums; }
@media (max-width: 640px) {
  .num-row { grid-template-columns: 1fr 1fr; }
  .num-field .opt-label { white-space: normal; line-height: 1.3; }
  .num-field.cost { grid-column: 1 / -1; padding-bottom: 0; }
}

.extra { margin: 8px 40px 34px; padding-top: 22px; border-top: 1px dashed var(--line-strong); }
.extra-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.extra-head .code { min-width: 34px; height: 28px; border-radius: 999px; display: grid; place-items: center; background: var(--yellow); color: var(--ink); font-weight: 800; }
.extra-head h3 { margin: 0; font-size: 20px; font-weight: 800; }
.proposal.invalid { border-color: var(--err); box-shadow: inset 4px 0 0 var(--err); }
.proposal .err { margin: 0; min-height: 0; }
@media (max-width: 560px) { .extra { margin: 8px 18px 26px; } }

/* Bảng xem lại nội dung (bước 3 và màn hình hoàn tất) */
.review-table { border-radius: var(--radius); }
.rv-row {
  display: grid; grid-template-columns: 82px minmax(0, 1fr) 64px 110px 124px 92px; gap: 10px;
  padding: 11px 14px; border-top: 1px solid var(--line); font-size: 14.5px; align-items: baseline;
}
.rv-row:first-child { border-top: 0; }
.rv-head { background: var(--grey-bg); font-size: 12.5px; font-weight: 800; color: var(--ink-strong); text-transform: uppercase; letter-spacing: 0.03em; }
.rv-row .n { text-align: right; font-variant-numeric: tabular-nums; }
.rv-row .strong { font-weight: 800; color: var(--ink-strong); }
.rv-row .tt { color: var(--red); font-weight: 800; font-size: 13.5px; }
.rv-row .sub { color: var(--muted); font-size: 13px; }
.rv-row .m { font-weight: 700; font-size: 13.5px; }
.rv-row.rv-extra { background: #fffcf1; }
.rv-total { background: var(--red-soft); font-weight: 800; color: var(--ink-strong); }
.rv-total .strong { color: var(--red); }
@media (max-width: 760px) {
  .rv-head { display: none; }
  .rv-row { grid-template-columns: 1fr 1fr; gap: 4px 12px; }
  .rv-row > :nth-child(2) { grid-column: 1 / -1; order: -1; font-weight: 600; }
  .rv-row .tt { grid-column: 1 / -1; order: -2; }
  .rv-row .n, .rv-row .m { text-align: left; }
  .rv-row [data-label]::before { content: attr(data-label) ": "; font-weight: 400; color: var(--muted); }
}

/* Khung hoàn tất phiếu: in, ký, tải lên */
.sign-box { margin-top: 28px; padding: 22px 24px; border-radius: var(--radius-xl); background: linear-gradient(135deg, #fffaf0 0%, #fff4f5 100%); border: 1px solid #f7dcc0; }
.sign-box h3 { margin: 0 0 12px; }
.sign-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.sign-step { display: grid; grid-template-columns: 36px minmax(0, 1fr); gap: 14px; align-items: start; }
.sign-step .dot {
  position: relative; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: var(--red); color: #fff; font-weight: 800; transition: background-color 0.3s;
}
.sign-step.done .dot { background: var(--ok); color: transparent; }
.sign-step.done .dot::after {
  content: ""; position: absolute; left: 50%; top: 45%; width: 7px; height: 13px; border: solid #fff; border-width: 0 2.6px 2.6px 0;
  transform: translate(-50%, -50%) rotate(45deg); animation: tick 0.35s var(--ease-out);
}
.sign-step strong { font-size: 16px; color: var(--ink-strong); }
.sign-step .hint { margin: 2px 0 10px; font-size: 14.5px; }
.sign-step #codeNow { color: var(--red); letter-spacing: 0.05em; }
.warn { margin: 0 0 10px; padding: 8px 12px; border-radius: 10px; background: var(--cream); color: var(--warn-ink); font-size: 14px; font-weight: 600; }
.saved-note { margin: 0 0 6px; padding: 9px 12px; border-radius: 10px; background: var(--ok-soft); color: var(--ok); font-size: 14px; font-weight: 600; }
.saved-note.warn { background: var(--cream); color: var(--warn-ink); }

/* Thẻ trạng thái phiếu đầu bước 3 */
.status-card { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; align-items: start; margin: 0 0 20px; padding: 14px 18px; border-radius: var(--radius); border: 1px solid; }
.status-card strong { display: block; font-size: 16px; font-weight: 800; margin-bottom: 2px; }
.status-card p { margin: 2px 0 0; font-size: 14.5px; }
.status-icon { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: #fff; }
.status-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.status-card.is-sent { background: var(--ok-soft); border-color: #bfe3cc; color: var(--ok); }
.status-card.is-sent strong { color: var(--ok); }
.status-card.is-sent p { color: var(--ink); }
.status-card.is-pending { background: var(--cream); border-color: #f3dc8f; color: var(--warn-ink); }
.status-card.is-pending strong { color: var(--warn-ink); }
.status-card.is-pending p { color: var(--ink); }
@media (max-width: 560px) {
  .status-card { grid-template-columns: 30px minmax(0, 1fr); gap: 10px; padding: 12px 14px; }
  .status-icon { width: 30px; height: 30px; }
  .status-icon svg { width: 18px; height: 18px; }
}
.sign-step .err:empty { min-height: 0; margin: 0; }
.drop {
  position: relative; display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-radius: 14px; cursor: pointer;
  border: 2px dashed var(--line-strong); background: #fff; color: var(--ink); transition: border-color 0.2s, background-color 0.2s;
}
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop svg { flex: none; width: 28px; height: 28px; fill: none; stroke: var(--red); stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.drop:hover, .drop.drag { border-color: var(--red); background: var(--red-soft); }
.drop:focus-within { outline: 2px solid var(--focus); outline-offset: 2px; }
.drop u { color: var(--red); font-weight: 700; text-underline-offset: 3px; }
.drop.has-file { border-style: solid; border-color: var(--line); padding: 10px 14px; }
.upload-progress { height: 6px; border-radius: 6px; background: var(--grey-pill); margin-top: 10px; overflow: hidden; }
.upload-progress span { display: block; height: 100%; width: 0; background: var(--red); transition: width 0.2s; }
.upload-file { display: flex; align-items: center; gap: 10px; margin-top: 10px; padding: 10px 14px; border-radius: 12px; background: var(--ok-soft); font-size: 14.5px; flex-wrap: wrap; }
.upload-file svg { width: 22px; height: 22px; fill: none; stroke: var(--ok); stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.ok-tag { margin-left: auto; font-size: 12.5px; font-weight: 800; color: var(--ok); text-transform: uppercase; letter-spacing: 0.04em; }
.confirm { display: flex; gap: 10px; align-items: flex-start; margin-top: 16px; font-size: 14.5px; color: var(--ink-strong); cursor: pointer; }
.confirm input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--red); flex: none; }
@media (max-width: 560px) { .sign-box { padding: 18px 14px; } }
@media (max-width: 760px) { .pk-extra { display: none; } }

/* ---------- Bản in phiếu (chỉ hiện khi in) ---------- */
#printSheet { display: none; }
@media print {
  @page { size: A4 landscape; margin: 9mm 11mm 10mm; }
  html, body { background: #fff !important; }
  body { padding: 0 !important; }
  body > *:not(#printSheet) { display: none !important; }
  #printSheet { display: block !important; }
}
.ps { font-family: "Times New Roman", Times, serif; font-size: 11.5pt; line-height: 1.35; color: #000; }
.ps * { color: #000 !important; }
.ps-head { display: flex; justify-content: space-between; align-items: flex-start; }
.ps-logo { height: 12mm; width: auto; }
.ps-logos { display: flex; align-items: center; gap: 3mm; }
.ps-logo.ps-co { height: 9mm; }
.ps-sep { width: 0; height: 8mm; border-left: 0.6pt solid #999; }
.ps-meta { text-align: right; font-size: 10.5pt; }
.ps-title { margin: 1mm 0 0; text-align: center; font-size: 15pt; font-weight: 700; letter-spacing: 0.02em; }
.ps-sub { margin: 0.5mm 0 2mm; text-align: center; font-style: italic; }
.ps h2 { margin: 2.5mm 0 1.2mm; font-size: 12pt; font-weight: 700; }
.ps table { width: 100%; border-collapse: collapse; }
.ps-info th, .ps-info td { border: 0.6pt solid #000; padding: 0.9mm 2mm; text-align: left; vertical-align: top; }
.ps-info th { width: 17%; font-weight: 700; background: #f2f2f2; }
.ps-info td { width: 33%; }
.ps-table th, .ps-table td { border: 0.6pt solid #000; padding: 1mm 1.6mm; vertical-align: top; }
.ps-table thead th { font-weight: 700; text-align: center; vertical-align: middle; background: #f2f2f2; font-size: 10.5pt; }
.ps-table thead { display: table-header-group; }
.ps-table tr { break-inside: avoid; page-break-inside: avoid; }
.ps-table td.n { text-align: right; white-space: nowrap; }
.ps-table td.c { text-align: center; }
.ps-group td { font-weight: 700; font-style: italic; background: #fafafa; }
.ps-total td { font-weight: 700; }
.ps-comment { margin: 2.5mm 0 0; }
.ps-sign { display: grid; grid-template-columns: 1fr 1fr; gap: 10mm; margin-top: 3mm; text-align: center; break-inside: avoid; page-break-inside: avoid; }
.ps-sign p { margin: 0; }
.ps-date { font-style: italic; min-height: 5mm; }
.ps-role { font-weight: 700; margin-top: 1mm !important; }
.ps-hint { font-style: italic; font-size: 10.5pt; }
.ps-name { margin-top: 17mm !important; font-weight: 700; }
.ps-note { font-size: 9pt; font-style: italic; }

/* Điện thoại hẹp: thu nhỏ cụm logo */
@media (max-width: 560px) {
  .brand { gap: 10px; }
  .brand img { height: 32px; }
  .brand .brand-co { height: 26px; }
  .brand-sep { height: 24px; }
  .foot-logos img { height: 40px; }
  .foot-logos .brand-co { height: 30px; }
}
/* Màn hình rất hẹp: ẩn nút "Bắt đầu khảo sát" trên thanh trên cùng (form ngay bên dưới) */
@media (max-width: 420px) { .topbar #ctaTop { display: none; } }