/* CheckVN — production, MOBILE ONLY.
   Layout 1 cột, container tối đa 480px căn giữa. Không tối ưu desktop. */
:root{
  --bg:#160a2e; --bg2:#2b1249; --card:#ffffff; --ink:#241a33; --muted:#6b6480;
  --pink:#ff5da2; --pink2:#ff2e88; --violet:#8b5cf6; --violet2:#6d28d9;
  --gold:#fbbf24; --lime:#a3e635;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  background:linear-gradient(170deg,#160a2e 0%,#2b1249 45%,#4a154b 75%,#701a4d 100%);
  background-attachment:fixed;color:var(--ink);min-height:100vh}
a{color:#7c3aed}
.wrap{max-width:480px;margin:0 auto;padding:18px 14px 120px}
.hero{text-align:center;color:#fff;padding:26px 6px 6px;position:relative}
.hero h1{font-size:46px;margin:8px 0 4px;line-height:1;letter-spacing:-1px;
  background:linear-gradient(90deg,#fff,#fbcfe8,#fbbf24,#fff);
  background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shimmer 5s linear infinite}
@keyframes shimmer{to{background-position:220% 0}}
.tagline{font-size:18px;color:#f5d0fe;margin:6px 0 4px;font-weight:600}
.hero .sub{font-size:13.5px;color:#d8b4fe}
.badge{display:inline-block;background:linear-gradient(90deg,var(--pink2),var(--violet));
  color:#fff;padding:7px 16px;border-radius:999px;font-weight:800;font-size:13px;letter-spacing:.4px;
  box-shadow:0 0 22px rgba(255,46,136,.55)}
.spark{color:var(--gold);font-size:15px;letter-spacing:4px}
.card{background:var(--card);border-radius:22px;padding:20px 18px;margin:16px 0;
  box-shadow:0 14px 34px rgba(0,0,0,.35)}
.card h2{margin:0 0 12px;font-size:20px}
.card h2 .glow{color:var(--pink2)}
/* --- "Chơi như thế nào?" lung linh: thẻ dọc, số bước gradient nổi bật --- */
.howto{background:linear-gradient(180deg,#fff,#fdf2f8);border:1px solid #fbcfe8;overflow:hidden;position:relative}
.howto::before{content:"";position:absolute;top:-40px;right:-40px;width:130px;height:130px;border-radius:50%;
  background:radial-gradient(circle,#fbcfe8 0%,transparent 70%);opacity:.9}
.step-row{display:flex;gap:13px;align-items:flex-start;padding:13px 0;border-bottom:1px dashed #fbcfe8;position:relative}
.step-row:last-child{border-bottom:0}
.step-num{flex:0 0 46px;height:46px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:900;color:#fff;background:linear-gradient(135deg,var(--pink2),var(--violet));
  box-shadow:0 6px 16px rgba(255,46,136,.45);transform:rotate(-3deg)}
.step-row:nth-child(2) .step-num{transform:rotate(2deg);background:linear-gradient(135deg,var(--violet),#4f46e5)}
.step-row:nth-child(3) .step-num{transform:rotate(-2deg);background:linear-gradient(135deg,#f59e0b,#ec4899)}
.step-body b{display:block;font-size:16.5px}
.step-body span{font-size:14.5px;color:var(--muted);line-height:1.5}
.step-body .price-tag{display:inline-block;margin-top:5px;background:#fff7ed;color:#c2410c;
  border:1px solid #fed7aa;border-radius:999px;padding:3px 10px;font-size:12.5px;font-weight:800}
/* --- Sản phẩm dạng lựa chọn --- */
.pickgrid{display:flex;flex-direction:column;gap:12px}
.pickcard{position:relative;text-align:left;width:100%;background:#faf5ff;border:2px solid #ede9fe;
  border-radius:18px;padding:16px;cursor:pointer;font-family:inherit;color:var(--ink);
  transition:transform .12s ease, box-shadow .12s ease, opacity .12s ease}
.pickcard:active{transform:scale(.98)}
.pickcard h3{margin:0 0 4px;font-size:17.5px;color:#3b0764}
.pickcard p{margin:0;font-size:14px;color:var(--muted);line-height:1.45}
.pickcard .p-price{margin-top:7px;font-size:14.5px}
.pickcard .p-price strong{color:var(--pink2);font-size:16px}
.pickcard.dim{opacity:.5}
.pickcard.sel{border-color:var(--pink2);background:linear-gradient(180deg,#fff1f2,#fdf2f8);
  box-shadow:0 0 0 3px rgba(255,46,136,.18),0 10px 24px rgba(255,46,136,.25)}
/* --- Thanh sticky dưới đáy --- */
.sticky{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:100%;max-width:480px;z-index:50;
  background:rgba(24,10,46,.96);backdrop-filter:blur(6px);border-top:1px solid rgba(255,255,255,.15);
  padding:12px 14px calc(12px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:12px}
.sticky .sel-info{flex:1;color:#fff;min-width:0}
.sticky .sel-info b{display:block;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sticky .sel-info span{font-size:13px;color:#fbcfe8}
.sticky .btn{flex:0 0 auto;padding:14px 20px}
/* --- Nút, form, test --- */
.btn{display:inline-block;background:linear-gradient(90deg,var(--pink2),var(--violet));color:#fff;border:0;
  border-radius:999px;padding:15px 26px;font-size:17px;font-weight:800;cursor:pointer;text-decoration:none;
  text-align:center;box-shadow:0 8px 20px rgba(255,46,136,.4);min-height:52px;line-height:1.2}
.btn:active{transform:scale(.98)}
.btn.secondary{background:#fff;color:#7c3aed;border:2px solid #ddd6fe;box-shadow:none}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.full{width:100%}
.q{margin:16px 0}
.q h3{margin:0 0 12px;font-size:17.5px;line-height:1.45}
.opt{display:block;width:100%;text-align:left;background:#faf5ff;border:2px solid #ede9fe;border-radius:14px;
  padding:14px;font-size:16px;cursor:pointer;min-height:52px;line-height:1.4}
.opt:active{border-color:var(--violet)}
.opt.sel{background:#ddd6fe;border-color:var(--violet);font-weight:700}
.progress{height:10px;background:#ede9fe;border-radius:999px;overflow:hidden}
.progress div{height:100%;background:linear-gradient(90deg,var(--pink2),var(--violet))}
.result-card{background:linear-gradient(135deg,#fdf2f8,#ede9ff);border:2px dashed #c4b5fd;border-radius:18px;padding:20px;text-align:center}
.result-card .level{font-size:25px;font-weight:900;color:#be185d;line-height:1.3}
.result-card .score{font-size:14.5px;color:var(--muted)}
.sharebox{background:#111827;color:#f9fafb;border-radius:16px;padding:18px;margin-top:16px;text-align:left;white-space:pre-wrap;font-size:14.5px;line-height:1.6}
input[type=text],input[type=tel]{width:100%;padding:14px;border:2px solid #ddd6fe;border-radius:12px;font-size:16px;margin:6px 0;min-height:52px}
label{font-weight:700;font-size:14.5px}
.small{font-size:13.5px;color:var(--muted);line-height:1.55}
.legal{font-size:13px;color:#e9d5ff;text-align:center;line-height:1.6}
.legal b{color:#fff}
footer{margin-top:26px}
.hidden{display:none}
.qrbox{text-align:center}
.qrbox img{max-width:260px;width:100%;border:1px solid #eee;border-radius:12px}
code{background:#f5f3ff;padding:2px 6px;border-radius:6px;word-break:break-all}
.ok-banner{background:#ecfdf5;border:2px solid #6ee7b7;border-radius:16px;padding:16px;text-align:center}
.ok-banner b{color:#047857;font-size:17px}
.warn-banner{background:#fffbeb;border:2px solid #fcd34d;border-radius:16px;padding:14px;font-size:14.5px;line-height:1.55}
/* Tương thích: bước trong landing shell (engine dùng .step-text) */
.steps{display:flex;flex-direction:column;gap:0}
.step{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed #fbcfe8;text-align:left}
.step:last-child{border-bottom:0}
.step b{flex:0 0 40px;height:40px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:19px;color:#fff;background:linear-gradient(135deg,var(--pink2),var(--violet));box-shadow:0 5px 14px rgba(255,46,136,.4)}
.step .step-text{font-size:15px;line-height:1.5;padding-top:8px}
.legal-micro{font-size:10px;line-height:1.5;color:#c4b5fd;text-align:center;margin:8px 0 0;padding:0 8px}
/* Product icons — kiểu ảnh đại diện shop TQ: ô vuông bão hòa + badge góc + chip giá */
.pickcard{display:flex;gap:12px;align-items:flex-start;text-align:left}
.pick-text{flex:1;min-width:0}
.pick-text h3{margin:2px 0 4px}
.icontile{position:relative;flex:none;display:inline-flex;align-items:center;justify-content:center;border-radius:20px;box-shadow:0 8px 20px rgba(0,0,0,.28);overflow:visible}
.icontile svg{width:62%;height:62%}
.icon-badge{position:absolute;top:-9px;left:-6px;background:#fff;color:#be185d;font-size:10px;font-weight:900;letter-spacing:.3px;padding:3px 8px;border-radius:999px;box-shadow:0 3px 8px rgba(0,0,0,.3);white-space:nowrap;z-index:2}
.p-hook{font-size:14px;font-weight:700;color:#4c1d95;margin:4px 0}
.price-chip{display:inline-block;background:#e11d48;color:#fff;font-weight:900;font-size:13px;padding:3px 10px;border-radius:999px}
.free-chip{display:inline-block;background:#dcfce7;color:#166534;font-weight:800;font-size:11px;padding:3px 8px;border-radius:999px}
/* Badge nhỏ góc trên-phải thẻ sản phẩm (thay cho chip trong dòng giá) */
.corner-badge{position:absolute;top:10px;right:10px;background:#dcfce7;color:#166534;
  font-size:11px;font-weight:700;padding:3px 8px;border-radius:999px;white-space:nowrap;z-index:1}
.pickcard:has(.corner-badge) .pick-text h3{padding-right:118px}
#heroIcon{display:flex;justify-content:center;margin:4px 0 10px}
#heroIcon .icontile{width:96px;height:96px;border-radius:26px}
#heroIcon .icon-badge{font-size:11px}

/* --- App shell: appbar + tabbar, màn hình kiểu ứng dụng --- */
body{min-height:100dvh}
.wrap{min-height:100dvh;padding-bottom:calc(150px + env(safe-area-inset-bottom))}
.appbar{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;
  max-width:480px;margin:0 auto;padding:calc(12px + env(safe-area-inset-top)) 16px 12px;
  background:rgba(22,10,46,.94);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.12)}
.app-logo{color:#fff;font-weight:900;font-size:18px;letter-spacing:.3px;text-decoration:none}
.app-unlock{color:#fff;background:linear-gradient(90deg,var(--pink2),var(--violet));text-decoration:none;
  font-weight:800;font-size:14px;padding:9px 18px;border-radius:999px;box-shadow:0 6px 16px rgba(255,46,136,.4)}
.appbar-right{display:flex;align-items:center;gap:6px}
.app-legal{background:none;border:0;color:#d8b4fe;font-size:13.5px;font-weight:800;cursor:pointer;
  padding:9px 8px;text-decoration:underline;text-underline-offset:3px}
.app-legal:active{color:#fff}
/* Hero gọn: chỉ 1 dòng headline, không badge/sao/disclaimer */
.hero-slim{padding:14px 6px 2px}
.hero-slim h1.hero-tagline{font-size:27px;line-height:1.25;letter-spacing:0;margin:0}
/* Trang detail: hero gọn 1 hàng, icon 44px — trang quyết định mua, dồn chú ý vào CTA */
.hero-detail{padding:10px 6px 2px;text-align:left}
.hero-detail .hero-row{display:flex;align-items:center;gap:10px}
.hero-detail .hero-text{flex:1;min-width:0}
.hero-detail h1{font-size:24px;margin:0;letter-spacing:0;line-height:1.15}
.hero-detail .tagline{font-size:14px;margin:3px 0 0;line-height:1.3}
.hero-detail #heroIconSlot{flex:0 0 auto}
.hero-detail #heroIconSlot .icontile{border-radius:12px}
.hero-detail #heroIconSlot .icon-badge{font-size:9px}
.hero-detail #ageNote{margin:4px 0 0 54px}
.footer-links{text-align:center;font-size:13px;color:#d8b4fe;margin:0 0 6px;line-height:1.7}
.footer-links a{color:#f5d0fe}
.footer-key{text-align:center;font-size:13.5px;margin:0 0 8px}
.footer-key a{color:#f5d0fe;font-weight:700}
/* Dòng link hướng dẫn mảnh thay cho box thẻ to */
.howto-line{text-align:center;margin:2px 0 12px}
.howto-link{background:none;border:0;color:#f5d0fe;font-size:15px;font-weight:800;cursor:pointer;
  text-decoration:underline;text-underline-offset:3px;padding:8px 6px}
.howto-link:active{color:#fff}
.tabbar{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:100%;max-width:480px;z-index:55;
  display:flex;background:rgba(24,10,46,.97);backdrop-filter:blur(8px);border-top:1px solid rgba(255,255,255,.15);
  padding:10px 8px calc(12px + env(safe-area-inset-bottom))}
.tabbar a{flex:1;text-align:center;color:#d8b4fe;text-decoration:none;font-size:13.5px;font-weight:700;line-height:1.4}
.tabbar a:active{color:#fff}
/* Thanh sticky chọn sản phẩm nằm TRÊN tabbar, không đè nhau */
.sticky{bottom:calc(42px + env(safe-area-inset-bottom))}
/* --- Màn câu hỏi chuyển cảnh kiểu app --- */
@keyframes qIn{from{opacity:0;transform:translateX(26px)}to{opacity:1;transform:none}}
.q.qa{animation:qIn .28s ease both}
.progress div{transition:width .3s ease}
/* --- Màn kết quả: cảm nhận ngắn, nổi bật --- */
.result-card .level{font-size:34px}
.headline{font-size:19px;font-weight:800;color:#4c1d95;line-height:1.5;margin:10px 0}
#resultIcon{display:flex;justify-content:center;margin-bottom:8px}
.scorebar{height:14px;background:#ede9fe;border-radius:999px;overflow:hidden;margin:12px 0 8px}
.scorebar div{height:100%;background:linear-gradient(90deg,var(--pink2),var(--violet));border-radius:999px}
.score-line{display:block;font-size:14.5px;font-weight:700;color:#4c1d95}
.score-chip{display:inline-block;background:linear-gradient(90deg,var(--pink2),var(--violet));color:#fff;
  font-weight:900;font-size:17px;padding:8px 22px;border-radius:999px;margin-top:10px}
.result-more{margin-top:14px;text-align:left}
.result-more summary{cursor:pointer;font-weight:800;color:#7c3aed;font-size:15px}
.result-more p{font-size:15px;line-height:1.65;color:var(--ink)}
/* --- Màn vén màn thử: khung nổi bật — điểm lớn chính là kết quả --- */
.teaser-highlight{border:3px solid transparent;border-radius:22px;padding:22px 18px 18px;text-align:center;
  background:linear-gradient(#fff,#fdf2f8) padding-box,linear-gradient(135deg,#ff2e88,#f59e0b,#7c3aed) border-box;
  box-shadow:0 0 0 4px rgba(255,46,136,.12),0 14px 34px rgba(124,58,237,.28)}
.teaser-score-big{font-size:56px;font-weight:900;line-height:1.1;letter-spacing:-1px;
  background:linear-gradient(90deg,#e11d48,#7c3aed);-webkit-background-clip:text;background-clip:text;color:transparent}
.teaser-score-big .teaser-score-label{font-size:20px;font-weight:800;letter-spacing:0}
.teaser-text{font-size:16px;line-height:1.7;color:var(--ink);margin:14px 0 0;text-align:left}
.btn.full{width:100%}

/* --- Popup dùng chung: hướng dẫn 3 bước + pháp lý --- */
.modal{position:fixed;inset:0;z-index:100;display:none;align-items:flex-end;justify-content:center;
  background:rgba(10,4,24,.72);padding:16px}
.modal.open{display:flex}
.modal-box{position:relative;background:#fff;border-radius:22px;width:100%;max-width:460px;
  max-height:86dvh;overflow:auto;padding:26px 20px 22px;box-shadow:0 24px 60px rgba(0,0,0,.5);
  animation:modalUp .25s ease both}
@keyframes modalUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
.modal-box h2{margin:0 0 14px;font-size:20px;padding-right:30px}
.modal-box p{font-size:15.5px;line-height:1.65;color:var(--ink)}
.modal-close{position:absolute;top:12px;right:12px;width:38px;height:38px;border-radius:50%;border:0;
  background:#f5f3ff;color:#4c1d95;font-size:22px;font-weight:900;cursor:pointer;line-height:1}
.legal-link{background:none;border:0;color:#c4b5fd;font-size:13px;font-weight:700;cursor:pointer;
  text-decoration:underline;padding:6px 10px}
.howto-btn{width:100%;text-align:left;background:linear-gradient(180deg,#fff,#fdf2f8);
  border:2px solid #fbcfe8;border-radius:18px;padding:18px;font-size:17px;font-weight:800;color:#9d174d;
  cursor:pointer;box-shadow:0 10px 24px rgba(0,0,0,.25)}
.howto-btn:active{transform:scale(.98)}
.howto-btn small{display:block;font-size:13.5px;font-weight:600;color:#6b6480;margin-top:4px}

/* --- Màn trả lời câu hỏi: dễ hiểu, đẹp, thoáng --- */
.q{display:flex;flex-direction:column;gap:14px;margin:18px 0}
.q-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.q-count{font-size:17px;font-weight:900;color:#7c3aed;letter-spacing:.2px}
.q-pct{font-size:14px;font-weight:800;color:#be185d;background:#fdf2f8;border-radius:999px;padding:5px 13px}
.q h3{font-size:23px;line-height:1.6;margin:0;color:var(--ink)}
.opt{display:flex;gap:12px;align-items:flex-start;padding:18px;margin:0;text-align:left}
.opt-letter{flex:0 0 30px;height:30px;border-radius:10px;background:#ede9fe;color:#6d28d9;font-weight:900;
  display:flex;align-items:center;justify-content:center;font-size:15px}
.opt-text{flex:1;font-size:16.5px;line-height:1.55}
.opt:active{transform:scale(.99)}