/* ==========================================================
   DOKI – SẢN PHẨM SỐ (giao qua Zalo), đợt DG: thẻ / hộp sản phẩm số trên Shop, trang /studio, thẻ khóa học trong tab Khóa Học của app.
   Dùng biến màu sẵn có (style.css / shop.css): --surface --ink --muted --line --line2 --soft-blue --soft-teal --accent-ink --deep-ink --teal-ink.
   Quy tắc chữ (css/type.css): chữ <14px đậm ≤600 · 14–16px ≤700 · ≥17px ≤800 · không dùng 900.
   ========================================================== */

/* ---- link "Xem demo" (thẻ + hộp sản phẩm) ---- */
.sh-demo,.st-demo,.axdemo{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap;max-width:100%;border:1.5px solid var(--line2);background:var(--surface);color:var(--accent-ink);border-radius:999px;padding:6px 12px;font-size:var(--fs-sm);font-weight:700;line-height:1.3;text-decoration:none;overflow-wrap:anywhere}
.sh-page a.sh-demo,.st-page a.st-demo{color:var(--accent-ink)}
.sh-demo:hover,.st-demo:hover,.axdemo:hover{background:var(--soft-blue);border-color:#2A52D9}
.sh-demo .dg-dh,.st-demo .dg-dh,.axdemo .dg-dh{color:var(--muted);font-size:var(--fs-xs);font-weight:600}
.sh-demo1{align-self:flex-start;margin:2px 0 4px}
.sh-demos{display:flex;flex-wrap:wrap;gap:8px}
.sh-tag.dg{background:#E3EAFF;color:#1E3A9E}
.dark .sh-tag.dg{background:#33437A;color:#DCE6FF}
.sh-page a.sh-btn.sh-zalo,.sh-page a.sh-btn.sh-zalo:hover{color:#fff;text-decoration:none}

/* ---- hộp sản phẩm: "Sản phẩm số – giao qua Zalo" ---- */
.sh-dgbox{display:flex;flex-direction:column;gap:2px;background:var(--soft-teal);border:1px dashed #2DD4BF;color:var(--deep-ink);border-radius:14px;padding:12px 16px;font-size:var(--fs-md);font-weight:600;line-height:1.55}
.sh-dgbox span{font-weight:500}
.sh-dghint{display:block}
.sh-dgnote,.sh-dgsent{display:block;color:var(--teal-ink);font-weight:600}
.sh-dgok{text-align:left}

/* ---- lối vào trang Studio (chip "Thiệp Cưới & Web Tình Yêu" của shop) ---- */
.sh-studiolink{grid-column:1/-1;display:flex;align-items:center;gap:14px;padding:16px 20px;border-radius:20px;border:1.5px solid var(--line2);background:linear-gradient(120deg,var(--soft-blue),var(--soft-teal));color:var(--ink);text-decoration:none;box-shadow:0 8px 22px var(--card-shadow,rgba(30,58,158,.1))}
.sh-page a.sh-studiolink{color:var(--ink)}
.sh-studiolink:hover{border-color:#2A52D9}
.sh-sle{font-size:34px;line-height:1;flex:none}
.sh-slt{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}
.sh-slt b{font-family:'Baloo 2','Be Vietnam Pro',sans-serif;font-size:var(--fs-xl);font-weight:800;color:var(--accent-ink);line-height:1.3}
.sh-slt small{color:var(--muted);font-size:var(--fs-sm);font-weight:500}
.sh-slgo{flex:none;background:#2A52D9;color:#fff;border-radius:12px;padding:10px 16px;font-size:var(--fs-sm);font-weight:700;white-space:nowrap}
@media (max-width:600px){.sh-studiolink{padding:14px;gap:10px}.sh-slgo{display:none}}

/* ---- trang /studio ---- */
.st-page{min-height:100vh;background:var(--bg,#F4F8FF);color:var(--ink)}
.st-wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.st-hdr{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:18px 0}
.st-brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.st-brand b{font-family:'Lobster',cursive;font-size:34px;font-weight:400;line-height:1;color:var(--accent-ink)}
.st-sp{flex:1}
.st-nav{display:flex;gap:8px;flex-wrap:wrap}
.st-nav a{display:inline-flex;align-items:center;border:1.5px solid var(--line2);background:var(--surface);color:var(--accent-ink);border-radius:999px;padding:8px 14px;font-size:var(--fs-sm);font-weight:700;text-decoration:none}
.st-nav a:hover{background:var(--soft-blue)}
.st-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:8px 0 18px}
.st-hero h1{margin:0;font-family:'Baloo 2','Be Vietnam Pro',sans-serif;font-size:clamp(1.75rem,1.4rem + 1.2vw,2.25rem);font-weight:800;line-height:1.15;color:var(--ink)}
.st-sub{margin:6px 0 0;color:var(--muted);font-size:var(--fs-md);font-weight:500;line-height:1.55;max-width:680px}
.st-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 22px;padding:0;list-style:none}
.st-steps li{display:flex;gap:10px;align-items:flex-start;background:var(--surface);border:1.5px solid var(--line);border-radius:16px;padding:12px 14px;font-size:var(--fs-sm);font-weight:500;line-height:1.5;color:var(--ink2,var(--ink))}
.st-steps b{display:inline-flex;align-items:center;justify-content:center;flex:none;width:28px;height:28px;border-radius:50%;background:var(--soft-blue);color:var(--accent-ink);font-size:var(--fs-sm);font-weight:700}
.st-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding-bottom:28px}
.st-card{display:flex;flex-direction:column;background:var(--surface);border:1.5px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 8px 22px var(--card-shadow,rgba(30,58,158,.1))}
.st-pic{position:relative;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#E3EAFF,#C9D8FF)}
.st-card:nth-child(even) .st-pic{background:linear-gradient(135deg,#DDF7F3,#B8EFE6)}
.dark .st-pic{background:linear-gradient(135deg,#33437A,#2A3764)}
.dark .st-card:nth-child(even) .st-pic{background:linear-gradient(135deg,#1C5357,#18403F)}
.st-pic img{width:100%;height:100%;object-fit:cover;display:block}
.st-pic .st-emo{font-size:72px;line-height:1}
.st-tag{position:absolute;top:12px;left:12px;border-radius:999px;padding:4px 10px;background:#2DD4BF;color:#053D3A;font-size:var(--fs-xs);font-weight:600}
.st-tag.best{background:#F59E0B;color:#3B2400}
.st-tag.maint{background:#5B6478;color:#fff}
.st-body{display:flex;flex-direction:column;gap:8px;padding:16px 18px 18px;flex:1}
.st-name{margin:0;font-family:'Baloo 2','Be Vietnam Pro',sans-serif;font-size:var(--fs-xl);font-weight:800;line-height:1.3;color:var(--ink);overflow-wrap:anywhere}
.st-price{font-family:'Baloo 2','Be Vietnam Pro',sans-serif;color:var(--accent-ink);font-size:var(--fs-h3);font-weight:800;line-height:1.3}
.st-price small{font-family:'Be Vietnam Pro',sans-serif;font-size:var(--fs-sm);font-weight:600;color:var(--muted);margin-right:6px}
.st-pk{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}
.st-pk li{border-radius:999px;background:var(--soft-blue);color:var(--accent-ink);padding:3px 10px;font-size:var(--fs-xs);font-weight:600}
.st-desc{margin:0;color:var(--muted);font-size:var(--fs-sm);font-weight:500;line-height:1.55;white-space:pre-line}
.st-desc.clip{display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}
.st-more{align-self:flex-start;border:0;background:none;padding:0;color:var(--accent-ink);font:inherit;font-size:var(--fs-sm);font-weight:700;cursor:pointer;text-decoration:underline}
.st-demos{display:flex;flex-wrap:wrap;gap:8px}
.st-zalonote{color:var(--teal-ink);font-size:var(--fs-sm);font-weight:600;line-height:1.5}
.st-acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:4px}
.st-buy,.st-zalo{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:13px 18px;font-size:var(--fs-lg);font-weight:700;text-decoration:none;background:#2A52D9;color:#fff;border:0;min-height:48px}
.st-page a.st-buy,.st-page a.st-zalo{color:#fff}
.st-buy:hover,.st-zalo:hover{background:#0E7C86}
.st-buy.off{background:#9AA3B8;pointer-events:none}
.st-empty{background:var(--surface);border:1.5px dashed var(--line2);border-radius:18px;padding:28px 20px;text-align:center;color:var(--muted);font-size:var(--fs-md);font-weight:500;line-height:1.6}
.st-empty b{display:block;color:var(--ink);font-size:var(--fs-xl);font-weight:800;margin-bottom:6px}
.st-foot{border-top:1.5px solid var(--line);padding:18px 0 28px;color:var(--muted);font-size:var(--fs-sm);font-weight:500;line-height:1.6}
.st-foot a{color:var(--accent-ink);font-weight:600;margin-right:14px}
.st-sk{min-height:320px;border-radius:22px;background:var(--surface);border:1.5px solid var(--line);opacity:.6}
@media (max-width:980px){.st-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.st-wrap{padding:0 16px}.st-grid{grid-template-columns:minmax(0,1fr);gap:14px}.st-steps{grid-template-columns:minmax(0,1fr)}.st-hdr{padding:12px 0}.st-brand b{font-size:28px}}
html.app-mode .st-hdr{display:none}
html.app-mode .st-page{min-height:0}                    /* chế độ app: body đã chừa chỗ cho thanh app + thanh 5 tab (css/appshell.css) */

/* ---- tab Khóa Học của app: thẻ khóa học thật (đợt DG) ---- */
.axcc .axcimg{width:100%;height:100%;object-fit:cover;display:block}
.axcpk{display:flex;flex-wrap:wrap;gap:6px;margin:2px 0}
.axcpk span{border-radius:999px;background:var(--soft-blue);color:var(--accent-ink);padding:3px 10px;font-size:var(--fs-xs);font-weight:600}
.axcdesc{color:var(--muted);font-size:var(--fs-sm);font-weight:500;line-height:1.5;white-space:pre-line;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.axcacts{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.axzalo{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:12px;padding:10px 14px;min-height:44px;background:#2A52D9;color:#fff;font-size:var(--fs-sm);font-weight:700;text-decoration:none;flex:1}
a.axzalo,a.axzalo:hover{color:#fff}
.axzalo:hover{background:#0E7C86}
.st-maint{background:#FFF4DC;color:#6B3F00;border:1.5px dashed #F59E0B;border-radius:12px;padding:8px 12px;font-size:var(--fs-sm);font-weight:600;line-height:1.5}
.dark .st-maint{background:#3D2B08;color:#FFE8B0;border-color:#B7791F}