/* Kinafit web — sinh từ mockup v4.2; giữ nguyên token màu kimbayoga blue */
:root{
  --bg:#EEF7FC; --surface:#ffffff; --surface-2:#F5FAFD; --ink:#1A4A6E; --ink-2:#4A6A82; --ink-3:#8AA6BC; --line:#D8EBF4;
  --teal-900:#1B7DB8; --teal:#2E96D0; --teal-50:#E1F0F9; --blue:#5BAFDD; --blue-50:#D8EBF4;
  --grad:linear-gradient(135deg,#1B7DB8 0%,#2E96D0 60%,#5BAFDD 100%);
  --grad-soft:linear-gradient(135deg,#EEF7FC 0%,#D8EBF4 100%);
  --amber:#F5C843; --amber-2:#E4C58A; --amber-grad:linear-gradient(135deg,#F5C843 0%,#E4C58A 100%); --amber-ink:#7a5a12;
  --price:#1B7DB8; --danger:#dc2626; --ok:#16a34a;
  --shadow:0 1px 2px rgba(26,74,110,.05),0 10px 30px -12px rgba(26,74,110,.16);
  --shadow-lg:0 20px 50px -20px rgba(27,125,184,.35);
  --radius:16px; --radius-sm:10px;
  
  --tab-on-bg:#1A4A6E; --tab-on-ink:#fff; --amber-50:#fdf3d2; --surface-glass:rgba(255,255,255,.92);
  --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --display:"Lora",Georgia,"Times New Roman",serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b1a26; --surface:#10202e; --surface-2:#152838; --ink:#e3eef7; --ink-2:#a8bfd2; --ink-3:#7f9ab0; --line:#1f3547;
  --teal-50:#12314a; --blue-50:#123a55; --grad-soft:linear-gradient(135deg,#12314a 0%,#123a55 100%);
  --price:#7cc4ec; --amber-ink:#f5e2a8; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -12px rgba(0,0,0,.6);
  --tab-on-bg:#2E96D0; --tab-on-ink:#062a27; --amber-50:#3a2e0e; --surface-glass:rgba(16,32,46,.92);
}}
:root[data-theme="dark"]{
  --bg:#0b1a26; --surface:#10202e; --surface-2:#152838; --ink:#e3eef7; --ink-2:#a8bfd2; --ink-3:#7f9ab0; --line:#1f3547;
  --teal-50:#12314a; --blue-50:#123a55; --grad-soft:linear-gradient(135deg,#12314a 0%,#123a55 100%);
  --price:#7cc4ec; --amber-ink:#f5e2a8; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -12px rgba(0,0,0,.6);
  --tab-on-bg:#2E96D0; --tab-on-ink:#062a27; --amber-50:#3a2e0e; --surface-glass:rgba(16,32,46,.92);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden;overflow-x:clip}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.2;text-wrap:balance}
p{margin:0}
button{font:inherit}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ===== MOCKUP CHROME ===== */

/* ===== SITE HEADER ===== */
.hdr{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
@supports ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.hdr{background:var(--surface-glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}}
.wrap{max-width:1200px;margin:0 auto;padding-inline:24px}
@media (max-width:1279px){.wrap{max-width:1120px}}
.hdr-in{display:flex;align-items:center;gap:20px;height:68px}
.logo{flex:none}
.logo img{height:38px;width:auto}
.nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;height:100%;min-width:0}
.nav a{padding:8px 12px;border-radius:999px;font-weight:500;color:var(--ink-2);font-size:14px;white-space:nowrap}
.nav>a:hover,.nav>a.on,.nav .has-sub>a:hover,.nav .has-sub>a.on{color:var(--teal-900);background:var(--teal-50)}
.nav .has-sub{position:relative;display:flex;align-items:center;height:100%}
.nav .has-sub>a{display:inline-flex;align-items:center}
.nav .has-sub>a::after{content:"";display:inline-block;width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg);margin-left:7px;opacity:.7}
.nav .sub{position:absolute;top:calc(50% + 22px);left:0;min-width:max-content;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:6px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s ease;z-index:60;display:grid}
.nav .sub a{display:block;padding:9px 14px;border-radius:8px;font-size:14px;color:var(--ink);white-space:nowrap}
.nav .sub a:hover{background:var(--teal-50);color:var(--teal-900)}
.nav .has-sub:hover .sub,.nav .has-sub:focus-within .sub,.nav .has-sub.open .sub{opacity:1;visibility:visible;transform:none}

.hdr-act{display:flex;align-items:center;gap:10px;margin-left:auto}
@media (max-width:1199px){.nav a{font-size:13px;padding:8px 9px}.hdr-in{gap:12px}.logo img{height:34px}}
@media (max-width:1023px){.hdr-in{gap:8px}.nav{gap:0}.nav a{font-size:12.5px;padding:7px 7px}.nav .has-sub>a::after{margin-left:5px}.logo img{height:30px}.hdr-act{gap:6px}.hdr-act .btn{padding:7px 11px;font-size:13px}}
@media (max-width:899px){
  .nav{display:none;position:absolute;left:0;right:0;top:100%;height:auto;flex-direction:column;align-items:stretch;gap:2px;padding:8px 16px 16px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg)}
  .nav.open{display:flex}
  .nav a{border-radius:10px;padding:11px 12px;font-size:15px}
  .nav .has-sub{display:block;height:auto}
  .nav .has-sub>a::after{display:none}
  .nav .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 4px 16px;min-width:0}
}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;border-radius:999px;padding:11px 20px;font-weight:600;font-size:14.5px;transition:transform .15s,box-shadow .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-p{background:var(--grad);color:#fff;box-shadow:0 8px 20px -8px rgba(15,118,110,.6)}
.btn-a{background:var(--amber-grad);color:#1A4A6E;box-shadow:0 8px 20px -8px rgba(205,168,95,.7)}
.btn-o{background:transparent;color:var(--teal-900);border:1.5px solid var(--teal)}
.btn-g{background:var(--surface-2);color:var(--ink);border:1px solid var(--line)}
.btn-sm{padding:8px 14px;font-size:13.5px}
.btn-lg{padding:15px 28px;font-size:16px}
.ic{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2)}
.ic.burger{display:none}
.auth-only{display:none!important}
body.is-auth .auth-only{display:inline-flex!important}
body.is-auth .guest-only{display:none!important}
.hdr-user{display:inline-flex;align-items:center;gap:8px;padding:4px 12px 4px 4px;border-radius:999px;border:1px solid var(--line);background:var(--surface-2);font-weight:600;font-size:14px}
.hdr-av{width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:700}
@media (max-width:899px){.ic.burger{display:grid}}

/* ===== LAYOUT PRIMITIVES ===== */
.sec{padding-block:36px}
.sec-h{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px 16px;margin-bottom:26px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-900);margin-bottom:8px}
.h2{font-family:var(--display);font-size:clamp(24px,1.2vw + 18px,32px);font-weight:700;letter-spacing:-.01em}
.h1{font-family:var(--display);font-size:clamp(28px,2.2vw + 18px,42px);font-weight:700;letter-spacing:-.015em}
.lede{color:var(--ink-2);margin-top:8px;max-width:62ch}
.more{color:var(--teal-900);font-weight:600;white-space:nowrap}
.grid{display:grid;gap:22px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
@media (max-width:1199px){.g4{grid-template-columns:repeat(3,1fr)}}
@media (max-width:899px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:599px){.g4,.g3,.g2{grid-template-columns:1fr}.grid.g4.prod{grid-template-columns:1fr 1fr;gap:12px}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card .im{aspect-ratio:16/9;background:var(--grad-soft);overflow:hidden;border-radius:var(--radius) var(--radius) 0 0}
@supports not (aspect-ratio:1){.card .im{height:200px}.hero-art .main{height:340px}.det-main .banner{height:420px}.art .hero-img{height:420px}}
.card .im img{width:100%;height:100%;object-fit:contain}
.card .im.cover img{object-fit:cover}
.pcard .im{aspect-ratio:1/1;background:#fff}.pcard .im img{object-fit:contain;padding:10px}.pcard .btn{align-self:flex-start}
.card .bd{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:16.5px;font-weight:700;line-height:1.35}
.ncard h3{font-size:15.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-wrap:pretty}
.ndesc{font-size:13.5px;line-height:1.55;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:flex;flex-wrap:wrap;gap:6px 14px;color:var(--ink-2);font-size:13px}
.meta span{display:inline-flex;align-items:center;gap:5px}
.pr{display:flex;align-items:baseline;gap:10px;margin-top:auto}
.pr b{font-size:20px;color:var(--price);font-variant-numeric:tabular-nums}
.pr s{color:var(--ink-3);font-size:13.5px;font-variant-numeric:tabular-nums}
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:600;background:var(--teal-50);color:var(--teal-900)}
.chip.live{background:#e7f8ee;color:#15803d}.chip.soon{background:var(--amber-50);color:var(--amber-ink)}.chip.done{background:var(--surface-2);color:var(--ink-3)}
.chip.live::before,.chip.soon::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.band{background:var(--grad);color:#fff;padding-block:18px 20px;position:relative;overflow:hidden}
.band p{font-size:14px!important;margin-top:4px!important}
.band::after{content:"";position:absolute;inset:auto -10% -60% auto;width:520px;height:520px;border-radius:50%;background:radial-gradient(closest-side,rgba(255,255,255,.18),transparent)}
.band .h1{color:#fff;font-size:clamp(24px,1.6vw + 14px,32px)}
.crumb{display:flex;gap:8px;font-size:12.5px;color:rgba(255,255,255,.85);margin-bottom:6px;flex-wrap:wrap}
.crumb a:hover{text-decoration:underline}
.crumb span::before{content:"›";margin-right:8px;opacity:.7}
.crumb span:first-child::before{content:none}
.crumb.dark{color:var(--ink-2)}
.tabs{display:flex;gap:8px;flex-wrap:wrap}
.tab{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 16px;font-weight:500;font-size:14px;color:var(--ink-2);cursor:pointer}
.tab.on{background:var(--tab-on-bg);color:var(--tab-on-ink);border-color:var(--tab-on-bg)}
.pager{display:flex;gap:6px;justify-content:center;margin-top:30px}
.pager a{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line);background:var(--surface);font-weight:600;font-size:14px}
.pager a.on{background:var(--teal-900);color:#fff;border-color:var(--teal-900)}

/* ===== HOME HERO ===== */
.hero{padding-block:44px 20px}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.hero h1{font-family:var(--display);font-size:50px;line-height:1.08;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:var(--teal-900)}
@supports (-webkit-background-clip:text) or (background-clip:text){.hero h1 em{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}}
.hero p{font-size:17px;color:var(--ink-2);max-width:52ch;margin-top:18px}
.hero-cta{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.trust{display:flex;gap:28px;margin-top:30px;flex-wrap:wrap}
.trust b{display:block;font-size:24px;font-family:var(--display);color:var(--teal-900);font-variant-numeric:tabular-nums}
.trust span{font-size:13px;color:var(--ink-2)}
.hero-art{position:relative}
.hero-art .main{border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:16/10}
.hero-art .main img{width:100%;height:100%;object-fit:cover}
.hero-art .float{position:absolute;left:-28px;bottom:-22px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 14px;display:flex;gap:12px;align-items:center;box-shadow:var(--shadow-lg);max-width:290px}
.hero-art .float img{width:52px;height:52px;border-radius:12px;object-fit:cover}
.hero-art .float b{font-size:13.5px;display:block}
.hero-art .float span{font-size:12px;color:var(--ink-2)}
@media (max-width:899px){.hero-in{grid-template-columns:1fr}.hero h1{font-size:38px}.hero-art .float{left:12px}}
.cat3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:899px){.cat3{grid-template-columns:1fr}}
.catc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;gap:16px;align-items:center;box-shadow:var(--shadow)}
.catc img{width:78px;height:78px;border-radius:50%;object-fit:cover;background:var(--grad);padding:3px}
.catc h3{font-size:17px;margin-bottom:4px}
.catc p{font-size:13.5px;color:var(--ink-2)}
.catc .from{margin-top:6px;font-size:13px;color:var(--teal-900);font-weight:600}
.fcard{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center;box-shadow:var(--shadow)}
.fcard img{width:120px;height:120px;border-radius:12px;object-fit:cover}
.fcard h3{font-size:15.5px;margin-bottom:6px}
.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media (max-width:899px){.feat{grid-template-columns:repeat(2,1fr)}}@media (max-width:560px){.feat{grid-template-columns:1fr}}
.fe{padding:22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.fe .n{width:44px;height:44px;border-radius:12px;background:var(--grad-soft);display:grid;place-items:center;color:var(--teal-900);font-weight:800;margin-bottom:14px;font-family:var(--display)}
.fe h3{font-size:16px;margin-bottom:6px}.fe p{font-size:13.5px;color:var(--ink-2)}
.dl{border-radius:24px;background:var(--grad);color:#fff;padding:44px;display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center;overflow:hidden;position:relative}
.dl h2{font-family:var(--display);font-size:32px;color:#fff}
.dl p{opacity:.92;margin-top:10px;max-width:50ch}
.stores{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.store b{white-space:normal}
.store{display:inline-flex;align-items:center;gap:10px;background:#0b1220;color:#fff;border-radius:12px;padding:10px 16px;font-size:13px;line-height:1.15}
.store b{display:block;font-size:15px}
.store small{opacity:.75;font-size:11px}
.dl .art{justify-self:end;width:min(100%,360px);border-radius:18px;overflow:hidden;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);transform:rotate(-3deg)}
@media (max-width:899px){.dl{grid-template-columns:1fr}.dl .art{justify-self:start;transform:none}}

/* ===== HOME SLIDER (banner gọn: chữ trái, ảnh 16:9 phải) ===== */
.hero-sl{position:relative;border-radius:24px;background:linear-gradient(120deg,#12395a 0%,#1B4F7A 55%,#1B7DB8 100%);color:#fff;padding:40px 48px;box-shadow:var(--shadow-lg);overflow:hidden}
.hs-slides{display:grid}
.hero-sl .slide{grid-area:1/1;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;opacity:0;visibility:hidden;transition:opacity .35s ease,visibility 0s linear .35s;pointer-events:none}
.hero-sl .slide.on{opacity:1;visibility:visible;transition:opacity .35s ease,visibility 0s;pointer-events:auto}
.hs-eye{font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#F5C843;margin-bottom:12px}
.hs-title{font-size:38px;font-weight:700;line-height:1.15;letter-spacing:-.01em;color:#fff}
.hs-desc{font-size:16px;line-height:1.6;color:rgba(255,255,255,.86);margin:14px 0 24px;max-width:46ch}
.hs-img{display:block;border-radius:16px;overflow:hidden;aspect-ratio:16/9;background:rgba(255,255,255,.08);box-shadow:0 20px 40px -18px rgba(0,0,0,.5)}
.hs-img img{width:100%;height:100%;object-fit:contain}
.hs-img.cover img{object-fit:cover}
.hs-ctl{display:flex;align-items:center;gap:14px;margin-top:22px}
.sl-btn{width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.12);color:#fff;font-size:22px;line-height:1;cursor:pointer;display:grid;place-items:center}
.sl-btn:hover{background:rgba(255,255,255,.25)}
.dots{display:flex;gap:8px}
.dots button{width:8px;height:8px;border-radius:999px;border:0;background:rgba(255,255,255,.4);cursor:pointer;padding:0;transition:width .2s;position:relative}
.dots button::after{content:"";position:absolute;inset:-14px -8px}
.dots button.on{width:26px;background:#F5C843}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.h1strip h1{font-family:var(--display);font-size:22px;font-weight:700;color:var(--ink)}
@media (max-width:899px){.hero-sl{padding:28px 24px 22px}.hero-sl .slide{grid-template-columns:1fr;gap:20px}.hs-img{order:-1}.hs-title{font-size:26px}}
@supports not (aspect-ratio:1){.hs-img{height:300px}}

/* ===== THẺ KHÓA HỌC (kiểu kimbayoga.com) ===== */
.kcard{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.kcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.kim{position:relative;aspect-ratio:16/9;background:var(--grad-soft);overflow:hidden}
.kim img{width:100%;height:100%;object-fit:contain;display:block}
.kim.cover img{object-fit:cover}
.kst{position:absolute;top:10px;left:10px;font-size:11.5px;font-weight:700;padding:4px 9px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--ink);box-shadow:0 2px 8px rgba(0,0,0,.12)}
.kst.live{color:#15803d}.kst.soon{color:var(--amber-ink)}.kst.done{color:var(--ink-3)}.kst.free{color:var(--teal-900)}
.kbd{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.kbd h3{font-size:16px;font-weight:700;line-height:1.35;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:calc(2 * 1.35em)}
.kdesc{font-size:13.5px;line-height:1.55;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:calc(2 * 1.55em)}
.kpr{display:flex;align-items:baseline;gap:8px;margin-top:auto;padding-top:4px}
.kpr b{font-size:19px;color:var(--price);font-variant-numeric:tabular-nums}
.kpr s{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.kbtn{display:block;text-align:center;background:linear-gradient(135deg,#1B7DB8 0%,#2E96D0 100%);color:#fff;font-weight:600;font-size:14px;padding:11px 12px;border-radius:10px;box-shadow:0 6px 16px -8px rgba(27,125,184,.7);margin-top:4px}
.kcard:hover .kbtn-info{background:linear-gradient(135deg,#166a9d 0%,#1B7DB8 100%)}
.kbtn-go{display:none;background:linear-gradient(135deg,#F5C843 0%,#E4C58A 100%);color:#1A4A6E;box-shadow:0 6px 16px -8px rgba(205,168,95,.8)}
.kst.own{display:none;background:#F5C843;color:#1A4A6E;left:auto;right:10px}
body.is-auth .kcard[data-owned] .kbtn-info{display:none}
body.is-auth .kcard[data-owned] .kbtn-go{display:block}
body.is-auth .kcard[data-owned] .kst.own{display:inline-block}
@supports not (aspect-ratio:1){.kim{height:190px}}

/* ===== VIDEO MIỄN PHÍ (2 cột, kiểu kinafit.com) ===== */
.vcard{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px;display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:center;box-shadow:var(--shadow)}
.vimg{position:relative;display:block;width:150px;aspect-ratio:1/1;border-radius:10px;overflow:hidden;background:var(--grad-soft)}
.vimg img{width:100%;height:100%;object-fit:cover}
.vbadge{position:absolute;top:8px;left:8px;background:#FFA200;color:#fff;font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:999px;box-shadow:0 2px 8px rgba(0,0,0,.18)}
.vbd{display:flex;flex-direction:column;gap:8px;align-items:flex-start;min-width:0}
.vbd h3{font-size:16.5px;font-weight:700;line-height:1.35}
.vbd .meta{font-size:13.5px}
.btn-or{background:#FFA200;color:#fff;box-shadow:0 8px 20px -8px rgba(255,162,0,.8)}
.btn-or:hover{background:#f39600}
@media (max-width:599px){.vcard{grid-template-columns:110px 1fr;gap:12px;padding:12px}.vimg{width:110px}.vbd h3{font-size:15px}}
@supports not (aspect-ratio:1){.vimg{height:150px}}

/* ===== SẢN PHẨM (gọn) ===== */
.pc{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.pc:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.pim{position:relative;aspect-ratio:4/3;background:#fff;overflow:hidden}
.pim img{width:100%;height:100%;object-fit:contain;padding:8px}
.pbadge{position:absolute;top:8px;left:8px;background:#FFA200;color:#fff;font-size:11.5px;font-weight:700;padding:3px 8px;border-radius:999px}
.pbd{padding:10px 12px 12px;display:flex;flex-direction:column;gap:6px;flex:1}
.pbd h3{font-size:14.5px;font-weight:600;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prow{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto}
.prow .kpr{margin-top:0;padding-top:0}.prow .kpr b{font-size:16.5px}.prow .kpr s{font-size:12px}
.pcart{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--teal-50);border:1px solid var(--line);font-size:15px;flex:none}
@supports not (aspect-ratio:1){.pim{height:170px}}

/* ===== BÀI VIẾT / TRANG GIỚI THIỆU (khuôn kimbayoga.com) ===== */
.artwrap{max-width:1200px;margin:0 auto;padding:16px 24px 36px}
@media (max-width:1279px){.artwrap{max-width:1120px}}
.artcard{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:40px 40px 36px;box-shadow:var(--shadow)}
.artin{max-width:1000px;margin:0 auto}
.artcard .prose{max-width:none;margin-top:8px;font-size:16px}
.artcard .prose p{color:var(--ink)}
.artcard .prose h2{font-family:var(--display);font-size:24px;color:var(--teal-900);margin:32px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.artcard .prose h3,.artcard .prose h4{color:var(--teal-900);margin:22px 0 8px}
.artcard .prose table{max-width:100%;overflow-x:auto;display:block}
.artcard h1{font-family:var(--display);font-size:clamp(26px,2vw + 16px,36px);line-height:1.2;color:var(--teal-900);margin-top:8px}
.byline2{font-size:13.5px;color:var(--ink-2);margin:12px 0 18px}
.byline2 a{color:var(--teal-900)}
.byline2 span{margin:0 6px;color:var(--ink-3)}
.lead2{font-size:17px;line-height:1.65;color:var(--ink);margin-bottom:18px}
.artcard p{font-size:15.5px;line-height:1.75;color:var(--ink);margin-bottom:14px}
.artcard p a,.artcard .ali a{color:var(--teal-900);font-weight:600;text-decoration:underline;text-decoration-color:var(--blue)}
.artcard h2{font-size:23px;font-weight:700;color:var(--teal-900);margin:36px 0 14px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.abox{border-radius:12px;padding:16px 20px;margin:0 0 18px}
.abox h4{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-900);margin-bottom:8px}
.abox-sum{background:var(--teal-50);border:1px solid #cfe5f4}
.abox-sum ul{margin:0;padding-left:18px;font-size:14.5px;line-height:1.65}
.abox-toc{background:var(--surface-2);border:1px solid var(--line)}
.abox-toc ol{margin:0;padding-left:20px;font-size:14.5px;line-height:1.8}
.abox-toc a{color:var(--ink)}.abox-toc a:hover{color:var(--teal-900);text-decoration:underline}
.abox-list{background:var(--surface);border:1px solid var(--line);padding:6px 20px}
.ali{padding:12px 0;border-bottom:1px solid var(--line)}
.ali:last-child{border-bottom:0}
.ali b{display:block;font-size:15px;margin-bottom:3px}
.ali span{display:block;font-size:14.5px;color:var(--ink-2);line-height:1.6}
.abox-note{background:var(--teal-50);border-left:4px solid var(--teal);border-radius:0 12px 12px 0}
.abox-note p{margin:0;font-size:15px}
.abox-note .src{display:block;font-size:13px;color:var(--ink-2);margin-top:6px;font-style:italic}
.afig{margin:22px auto 24px;text-align:center}
.afig img{width:600px;max-width:100%;height:auto;border-radius:12px;margin:0 auto;box-shadow:var(--shadow)}
.artcard p img,.artcard .prose img{width:600px;max-width:100%;height:auto;display:block;margin:18px auto;border-radius:12px}
.afig figcaption{font-size:13px;color:var(--ink-2);font-style:italic;margin:8px auto 0;line-height:1.5;max-width:600px}
.anote{font-size:13px!important;color:var(--ink-2)!important;line-height:1.6!important;border-top:1px solid var(--line);padding-top:14px;margin-top:26px}
.author{display:flex;gap:14px;align-items:center;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-top:22px}
.author img{width:52px;height:52px;border-radius:50%;object-fit:cover}
.author b{display:block;font-size:15px}
.author span{display:block;font-size:13px;color:var(--ink-2);margin:2px 0 4px}
.author a{font-size:13.5px;color:var(--teal-900);font-weight:600}
.share2{display:flex;align-items:center;gap:8px;margin-top:18px;font-size:13.5px;color:var(--ink-2)}
.artcta{display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--grad);color:#fff;border-radius:14px;padding:20px 24px;margin-top:20px}
.artcta h4{font-size:17px;color:#fff;margin-bottom:4px}.artcta p{font-size:14px;opacity:.92}
.stats2{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:0 0 18px}
.stats2 div{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center}
.stats2 b{display:block;font-family:var(--display);font-size:26px;color:var(--teal-900);font-variant-numeric:tabular-nums}
.stats2 span{font-size:12.5px;color:var(--ink-2)}
.team2{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:12px}
@media (max-width:899px){.team2{grid-template-columns:repeat(3,1fr)}.artcard{padding:28px 22px}.stats2{grid-template-columns:repeat(2,1fr)}.artcta{flex-direction:column;align-items:flex-start}}
@media (max-width:599px){.team2{grid-template-columns:repeat(2,1fr)}.artcard{padding:22px 16px}.artwrap{padding-inline:16px}}

/* ===== FOOTER (kiểu kimbayoga.com: nền xanh đậm, tiêu đề vàng) ===== */
.ftr{background:linear-gradient(120deg,#12395a 0%,#1B5A8A 60%,#1B7DB8 100%);color:#e6f1fa;padding-block:48px 24px;margin-top:40px}
.ftr-in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
@media (max-width:1199px){.ftr-in{gap:24px}}
@media (max-width:899px){.ftr-in{grid-template-columns:1fr 1fr}}
@media (max-width:599px){.ftr-in{grid-template-columns:1fr}}
.ftr h4{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:#F5C843;padding-bottom:10px;margin-bottom:14px;border-bottom:1px solid rgba(255,255,255,.18)}
.ftr a{display:block;color:#e6f1fa;font-size:14.5px;padding:5px 0;overflow-wrap:anywhere}
.ftr-in>div>a:not(.ftr-hot):not(.ftr-yt)::before{content:"›";color:#F5C843;margin-right:8px;font-weight:700}
.ftr-in>div>a:hover{color:#fff;text-decoration:underline}
.ftr-logo{display:inline-block;background:#fff;border-radius:14px;padding:12px 18px;margin-bottom:14px}
.ftr-logo img{height:40px}
.ftr-brand p{font-size:14.5px;line-height:1.6;max-width:34ch;color:#e6f1fa}
.ftr-brand p b{color:#fff}
.ftr-hot{display:inline-flex!important;align-items:center;gap:8px;margin-top:16px;background:linear-gradient(135deg,#F5C843,#E4C58A);color:#1A4A6E!important;font-weight:700;font-size:15px;padding:12px 22px!important;border-radius:12px;box-shadow:0 8px 20px -8px rgba(0,0,0,.4)}
.ftr-soc{display:flex;gap:8px;margin-bottom:14px}
.ftr-soc .ic{display:grid;padding:0;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25);color:#fff;font-size:12px;font-weight:700}
.ftr-soc a.ic:hover{background:rgba(255,255,255,.25);text-decoration:none}
.ftr-yt{display:inline-flex!important;align-items:center;gap:8px;background:#e11d1d;color:#fff!important;font-weight:700;padding:10px 16px!important;border-radius:10px;font-size:14px;margin-bottom:12px}
.ftr-line{font-size:13.5px;color:#e6f1fa;padding:3px 0}
.ftr-b{border-top:1px solid rgba(255,255,255,.18);margin-top:36px;padding-top:18px;text-align:center;font-size:13px;color:#cfe1ef}
.ftr-pol{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 8px;margin-bottom:10px}
.ftr-pol a{display:inline;padding:0;font-size:13px;color:#cfe1ef}
.ftr-pol a+a::before{content:"·";margin-right:8px;color:#8fb8d6}
.ftr-b p b{color:#fff}

/* ===== DETAIL ===== */
.det{display:grid;grid-template-columns:1fr 360px;gap:36px;align-items:start;padding-block:32px 56px}
@media (max-width:959px){.det{grid-template-columns:1fr}}
.det-main .banner{border-radius:20px;overflow:hidden;aspect-ratio:16/9;box-shadow:var(--shadow-lg);background:var(--grad-soft)}
.det-main .banner img{width:100%;height:100%;object-fit:contain}
.det-main h1{font-family:var(--display);font-size:clamp(26px,2vw + 16px,36px);margin-top:22px}
.det-main .meta{margin-top:12px;font-size:14px}
.prose{margin-top:26px;font-size:15.5px;color:var(--ink);max-width:68ch}
.prose h2{font-family:var(--display);font-size:24px;margin:28px 0 10px}
.prose h3{font-size:17px;margin:18px 0 6px}
.prose p{margin-bottom:12px;color:var(--ink-2)}
.prose ul{margin:0 0 12px 20px;color:var(--ink-2)}
.prose blockquote{margin:18px 0;padding:16px 20px;border-left:4px solid var(--teal);background:var(--teal-50);border-radius:0 12px 12px 0;color:var(--ink);font-style:italic}
.buy{position:sticky;top:calc(env(safe-area-inset-top,0px) + 84px);background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow-lg)}
.buy .pr b{font-size:32px}
.buy .save{font-size:12.5px;color:var(--amber-ink);background:var(--amber-50);display:inline-block;padding:3px 9px;border-radius:999px;font-weight:600;margin-top:6px}
.buy .btns{display:grid;gap:10px;margin-top:18px}
.buy ul{list-style:none;margin:18px 0 0;padding:16px 0 0;border-top:1px solid var(--line);display:grid;gap:8px;font-size:13.5px;color:var(--ink-2)}
.buy li::before{content:"✓";color:var(--teal-900);font-weight:800;margin-right:8px}
.buy .contact{display:flex;gap:8px;margin-top:14px}
.buy .guest-only{display:block}
body.is-auth .buy .guest-only{display:none!important}
.buy-own{flex-direction:column;align-items:stretch;gap:12px}
body.is-auth .buy-own{display:flex!important}
.prog-h{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-2);margin-bottom:6px}
.prog-h b{color:var(--ink);font-variant-numeric:tabular-nums}
.prog-bar{height:8px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);overflow:hidden}
.prog-bar i{display:block;height:100%;background:var(--grad);border-radius:999px}
.lessons{margin-top:30px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface)}
.lessons .lh{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;background:var(--surface-2);border-bottom:1px solid var(--line);font-weight:600}
.lessons .lh span{font-size:13px;color:var(--ink-2);font-weight:500}
.ls{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--line);font-size:14px}
.ls:last-child{border-bottom:0}
.ls .no{width:28px;height:28px;border-radius:8px;background:var(--surface-2);display:grid;place-items:center;font-size:12px;font-weight:700;color:var(--ink-2);font-variant-numeric:tabular-nums}
.ls .t{flex:1}
.ls .d{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.ls .free{font-size:11.5px;font-weight:700;color:#15803d;background:#e7f8ee;padding:2px 8px;border-radius:999px}
.ls .lock{color:var(--ink-3)}
.ls .done{color:#15803d;font-weight:800;display:none}
body.is-auth .ls .done{display:inline}
body.is-auth .ls:nth-child(-n+7) .done{color:#15803d}
body.is-auth .ls:nth-child(n+8) .done{color:var(--ink-3);font-weight:400}
.faq{margin-top:18px}
.faq details{border:0;border-bottom:1px solid var(--line);background:transparent;margin:0;padding:0}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;padding:16px 0 16px 26px;font-weight:500;font-size:16.5px;color:var(--ink);list-style:none;display:block;position:relative;line-height:1.45}
.faq summary::-webkit-details-marker{display:none}
.faq summary::marker{content:""}
.faq summary::before{content:"";position:absolute;left:4px;top:23px;border-style:solid;border-width:6px 0 6px 9px;border-color:transparent transparent transparent var(--ink);transition:transform .2s}
.faq summary::after{content:none}
.faq details[open] summary::before{transform:rotate(90deg)}
.faq details[open] summary{color:var(--teal-900);font-weight:600}
.faq details p{padding:0 0 18px 26px;margin:0;color:var(--ink-2);font-size:15px;line-height:1.7}
.teacher{margin-top:30px;display:flex;gap:18px;align-items:center;background:var(--grad-soft);border-radius:16px;padding:20px}
.teacher img{width:76px;height:76px;border-radius:50%;object-fit:cover;border:3px solid #fff}
.teacher h3{font-size:16px}.teacher p{font-size:13.5px;color:var(--ink-2);margin-top:3px}
.teacher .btn{margin-left:auto}

/* ===== PACKAGES ===== */
.cattabs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:12px;margin-top:-34px;position:relative;z-index:2;box-shadow:var(--shadow-lg)}
@media (max-width:640px){.cattabs{grid-template-columns:1fr}}
.cattab{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;font-weight:600;color:var(--ink-2)}
.cattab img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.cattab.on{background:var(--grad);color:#fff}
.cattab small{display:block;font-weight:400;font-size:12px;opacity:.85}
.sched{border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:auto}
.sched table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:720px}
.sched th{background:var(--surface-2);text-align:left;padding:12px 14px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.sched td{padding:12px 14px;border-top:1px solid var(--line);vertical-align:top}
.sched .cls{display:inline-block;border-radius:8px;padding:6px 9px;font-size:12.5px;font-weight:600;background:var(--teal-50);color:var(--teal-900);margin:2px 0}
.sched .cls.vip{background:var(--amber-50);color:var(--amber-ink)}
.sched .cls.pt{background:var(--blue-50);color:#1d4ed8}
.sched .cls small{display:block;font-weight:400;font-size:11.5px;opacity:.85}

/* ===== NEWS ===== */
.featnews{display:grid;grid-template-columns:1.4fr 1fr;gap:22px}
@media (max-width:899px){.featnews{grid-template-columns:1fr}}
.bigcard{position:relative;border-radius:16px;overflow:hidden;min-height:340px;display:flex;align-items:end;box-shadow:var(--shadow-lg)}
.bigcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.bigcard .ov{position:relative;padding:20px 22px;color:#fff;background:linear-gradient(to top,rgba(5,20,40,.95) 0%,rgba(5,20,40,.75) 45%,rgba(5,20,40,0) 100%);width:100%}
.bigcard h3{font-family:var(--display);font-size:22px;color:#fff;margin:8px 0 6px}
.bigcard .k{font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:#b8dcef}
.bigcard p{opacity:.9;font-size:14px}
.side{display:grid;gap:14px}
.sidec{display:grid;grid-template-columns:160px 1fr;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);align-items:center}
.sidec .sim{width:160px;aspect-ratio:16/9;align-self:stretch;background:var(--grad-soft);overflow:hidden}
.sidec .sim img{width:100%;height:100%;object-fit:contain}
@supports not (aspect-ratio:1){.sidec .sim{height:90px}}
.sidec h3{font-size:14px;margin:0 0 4px;line-height:1.35}
.sidec .bd{padding:12px 14px 12px 0}
.nk{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:var(--teal-900)}
.date{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.art{display:grid;grid-template-columns:1fr 300px;gap:40px;padding-block:36px 60px;align-items:start}
@media (max-width:959px){.art{grid-template-columns:1fr}}
.art h1{font-family:var(--display);font-size:clamp(26px,2vw + 16px,38px);line-height:1.15}
.art .lead{font-size:18px;color:var(--ink-2);margin-top:14px;max-width:62ch}
.byline{display:flex;gap:14px;align-items:center;margin-top:18px;font-size:13.5px;color:var(--ink-2)}
.byline img{width:40px;height:40px;border-radius:50%;object-fit:cover}
.art .hero-img{border-radius:20px;overflow:hidden;margin-top:24px;aspect-ratio:16/9;box-shadow:var(--shadow-lg)}
.art .hero-img img{width:100%;height:100%;object-fit:cover}
.art .prose{font-size:16.5px}
.toc{position:sticky;top:calc(env(safe-area-inset-top,0px) + 84px);display:grid;gap:18px}
.tocbox{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.tocbox h4{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-900);margin-bottom:10px}
.tocbox a{display:block;font-size:13.5px;color:var(--ink-2);padding:5px 0;border-left:2px solid var(--line);padding-left:10px}
.tocbox a.on{border-color:var(--teal);color:var(--ink);font-weight:600}
.share{display:flex;gap:8px}
.ctabox{background:var(--grad);color:#fff;border-radius:14px;padding:18px}
.ctabox h4{font-size:16px;margin-bottom:6px;color:#fff}.ctabox p{font-size:13px;opacity:.9;margin-bottom:12px}

/* ===== ABOUT ===== */
.about-hero{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;padding-block:44px 30px}
@media (max-width:899px){.about-hero{grid-template-columns:1fr}}
.about-hero img{border-radius:24px;box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover;width:100%}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
@media (max-width:1199px){.stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center}
.stat b{display:block;font-family:var(--display);font-size:28px;color:var(--teal-900);font-variant-numeric:tabular-nums}
.stat span{font-size:12.5px;color:var(--ink-2)}
.team{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
@media (max-width:899px){.team{grid-template-columns:repeat(3,1fr)}}@media (max-width:560px){.team{grid-template-columns:repeat(2,1fr)}}
.tm{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 14px;text-align:center}
.tm .av{width:84px;height:84px;border-radius:50%;margin:0 auto 12px;background:var(--grad);display:grid;place-items:center;color:#fff;font-family:var(--display);font-size:26px;padding:3px}
.tm .av img{width:100%;height:100%;border-radius:50%;object-fit:cover;border:3px solid var(--surface)}
.tm b{display:block;font-size:14.5px}.tm span{font-size:12.5px;color:var(--ink-2)}

.cols2{margin-top:0;max-width:none;columns:2;column-gap:40px}
.cols2 p{break-inside:avoid}
@media (max-width:767px){.cols2{columns:1}}

/* ===== LỊCH HỌC (bám bản cũ kinafit.com) ===== */
.calband{background:var(--grad);color:#fff;padding-block:22px}
.calband-in{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.calband .h1{color:#fff;font-size:clamp(26px,2vw + 14px,38px)}
.caltypes{display:flex;gap:10px;flex-wrap:wrap}
.caltype{padding:9px 18px;border-radius:999px;background:rgba(255,255,255,.9);color:var(--teal-900);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.02em}
.caltype.on{background:#FFA200;color:#fff;box-shadow:0 8px 20px -8px rgba(255,162,0,.8)}
.calmonth{display:flex;align-items:center;gap:10px;font-size:16px;margin-bottom:10px}
.calmonth .ic{width:34px;height:34px;font-size:15px}
.caldays{display:flex;align-items:center;gap:8px;margin-bottom:18px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.caldays::-webkit-scrollbar{display:none}
.calnav{width:34px;height:34px;border:0;background:transparent;color:var(--teal-900);font-size:24px;cursor:pointer;flex:none}
.calday{flex:none;width:52px;height:60px;border-radius:14px;background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--teal-900);box-shadow:var(--shadow)}
.calday b{font-size:16px;font-variant-numeric:tabular-nums}
.calday span{font-size:11px;color:var(--ink-2)}
.calday.on{background:#FFA200;border-color:#FFA200;color:#fff}
.calday.on span{color:#fff;font-weight:600}
.calgrid{gap:16px}
.ccard{padding:14px 16px 14px;gap:8px}
.clink{gap:7px}
.ccard h3{font-size:14.5px;line-height:1.35}
.cmeta{gap:6px 12px;font-size:12.5px}
.cav{width:24px;height:24px;font-size:10.5px}
.cav.lg{width:44px;height:44px;font-size:15px;border:0;flex:none;box-shadow:0 4px 12px -4px rgba(27,125,184,.5)}
.ctr{display:flex;align-items:center;gap:12px}
.ctx{display:flex;flex-direction:column;gap:3px;min-width:0}
.ctx b{font-size:13.5px;font-weight:600;color:var(--ink)}
.ctm{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-2);flex-wrap:wrap}
.ccard h3{text-wrap:pretty}
.cst{font-size:12.5px;gap:5px}.cst::before{width:6px;height:6px}
.ctm .cst::before{margin-left:2px}
.ccd{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;font-size:13px;padding-top:8px;border-top:1px solid var(--line)}
.ccd>span{white-space:nowrap;color:var(--ink-2);font-weight:500}
.ccd-n{display:inline-flex;align-items:center;gap:1px;font-variant-numeric:tabular-nums;color:var(--ink-3);font-size:13px;font-weight:700;margin-left:auto}
.ccd-n b{display:inline;min-width:0;height:auto;padding:0 2px;border-radius:0;background:transparent;color:var(--teal-900);font-size:13px}
.cbtn{width:100%;justify-content:center;padding:9px 14px;font-size:13.5px}
@media (max-width:1199px){.calgrid.g3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:599px){.calgrid.g3{grid-template-columns:1fr}}
.ccard{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}
.clink{display:flex;flex-direction:column;gap:10px}
.ccard h3{font-size:17px;font-weight:700;line-height:1.35}
.cmeta{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;color:var(--ink-2);align-items:center}
.ctc{display:inline-flex;align-items:center;gap:8px}
.cav{width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;display:inline-grid;place-items:center;font-size:12px;font-weight:700;border:2px solid var(--surface);font-style:normal}
.cav.sm{width:26px;height:26px;font-size:11px;border:0}
.cav.more{background:var(--surface-2);color:var(--ink-2);font-size:11px}
.cst{font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:8px}
.cst::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor}
.cst.live{color:#15803d}.cst.soon{color:#e08a00}.cst.done{color:var(--ink-3)}
.cbtn{align-self:flex-start}
@media (max-width:599px){.ccard{padding:16px}.calday{width:54px;height:66px}}

/* ===== AUTH ===== */
.auth{min-height:70vh;display:grid;place-items:center;padding-block:40px}
.authc{width:min(440px,100%);background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow-lg)}
.authc h1{font-family:var(--display);font-size:28px}
.authc p{color:var(--ink-2);font-size:14px;margin-top:6px}
.field{margin-top:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.field input{width:100%;border:1.5px solid var(--line);background:var(--surface-2);border-radius:12px;padding:12px 14px;font:inherit;font-size:16px;color:var(--ink)}
.field input:focus{border-color:var(--teal);outline:0;box-shadow:0 0 0 3px var(--teal-50)}
.authc .btn{width:100%;margin-top:16px}
.pw{position:relative}
.pw input{padding-right:44px}
.pw-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);border:0;background:transparent;width:34px;height:34px;border-radius:8px;cursor:pointer;color:var(--ink-3)}
.remember{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);margin-top:14px}
.remember input{width:16px;height:16px;accent-color:var(--teal-900)}
.auth-help{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:grid;gap:8px}
.auth-help p{font-size:13.5px;color:var(--ink-2);line-height:1.55}
.auth-help b{color:var(--ink)}
.auth-help a{color:var(--teal-900);font-weight:600}
.note{font-size:12.5px;color:var(--ink-3);text-align:center;margin-top:14px}
.svg{width:18px;height:18px;flex:none}

/* ===== LỊCH HỌC: trạng thái thẻ ===== */
.ccard.is-live{background:linear-gradient(180deg,#F3FBF5 0%,#E6F6EA 100%);border-color:#9AD6AC;box-shadow:0 1px 2px rgba(21,128,61,.06),0 12px 30px -14px rgba(21,128,61,.35)}
.ccard.is-live h3{color:#14532d}
.ccard.is-done{background:var(--surface-2);border-color:var(--line);box-shadow:none;opacity:.62;filter:saturate(.35)}
.ccard.is-done h3,.ccard.is-done .ctx b{color:var(--ink-2)}
.ccard.is-cancel{background:#FFF5F5;border-color:#F3C4C4;opacity:.85}
.ccard.is-cancel h3{color:#991b1b;text-decoration:line-through;text-decoration-thickness:1px}
.ctm{justify-content:space-between}
.ctm .cst{margin-left:auto}

img.hdr-av{object-fit:cover}
.prog{margin:10px 0 12px}.prog-h{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-2);margin-bottom:6px}.prog-h b{color:var(--ink)}.prog-bar{height:6px;border-radius:99px;background:var(--line);overflow:hidden}.prog-bar i{display:block;height:100%;background:var(--grad);border-radius:99px}
.kcard[data-owned] .kbtn-go{display:block}

/* ===== KHÓA HỌC CỦA TÔI ===== */
.myhead{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.myhead .calmonth{margin-bottom:0}
.myright{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.myexp{font-size:14px;font-weight:600;color:#e08a00;font-style:italic}
.myexp.is-over{color:var(--danger)}
.empty{text-align:center;padding:56px 16px 40px;color:var(--ink-2);display:flex;flex-direction:column;align-items:center;gap:14px}
.empty-ic{width:96px;height:96px;border-radius:50%;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;font-size:40px;box-shadow:var(--shadow)}
.empty p{max-width:48ch;font-size:15px}
.mylist{display:grid;gap:14px}
.mrow{display:grid;grid-template-columns:220px 1fr auto;gap:20px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 18px 14px 14px;box-shadow:var(--shadow);color:var(--ink)}
.mrow:hover{border-color:var(--blue)}
.mrow.is-done{opacity:.65;filter:saturate(.4)}
.mimg{aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:var(--surface-2)}
.mimg img{width:100%;height:100%;object-fit:contain}
.mbody{min-width:0}
.mbody h3{font-size:17px;font-weight:700;line-height:1.35;margin-bottom:6px}
.mbody .prog{margin:10px 0 0;max-width:420px}
.mbtn{white-space:nowrap}
@media (max-width:899px){.mrow{grid-template-columns:150px 1fr}.mbtn{grid-column:2}.myright{align-items:flex-start}}
@media (max-width:599px){.mrow{grid-template-columns:1fr}.mbtn{grid-column:1}}
.ctags{display:flex;gap:6px;flex-wrap:wrap;margin-top:2px}
.ctag{font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2)}
.ctag.ok{background:#EAF7EE;border-color:#BFE6CB;color:#15803d}
.ctag.full{background:#FFF1F1;border-color:#F3C4C4;color:#b91c1c}
.ccard.is-joined{border-color:#9AD6AC}