/* ===== TN AI v3 — giao diện: dock, công tắc ngày/đêm, hero cuộn, các khu vực, đăng nhập kính, ví ===== */
/* ---------- thanh tiêu đề: dock nổi ---------- */
header.top{position:fixed;inset:14px 0 auto 0;z-index:60;pointer-events:none}
header.top .bar-in{display:flex;align-items:center;justify-content:space-between;gap:12px;width:min(1240px,100% - 28px);margin-inline:auto}
header.top>.bar-in>*{pointer-events:auto}
.top-right{display:flex;align-items:center;gap:10px}
.icon-btn{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;border:1px solid var(--border);background:var(--glass);backdrop-filter:blur(16px);color:var(--text);cursor:pointer}.icon-btn:hover{border-color:var(--accent);text-decoration:none}.icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}
.progress{position:fixed;left:0;top:0;height:2px;width:100%;transform-origin:0 50%;transform:scaleX(var(--sp,0));background:linear-gradient(90deg,var(--accent2),var(--accent),var(--hi));z-index:70}
main{padding-top:92px}main.home{padding-top:0}
@media(max-width:900px){header.top{inset:10px 0 auto 0}}

/* ---------- công tắc ngày/đêm (kiểu video: trời, mây, mặt trời, trăng, sao) ---------- */
.tswitch{position:relative;flex:none;width:88px;height:42px;padding:0;border-radius:99px;border:1px solid rgba(255,255,255,.25);cursor:pointer;overflow:hidden;background:linear-gradient(180deg,#4f9ff0 0%,#9fd3ff 100%);box-shadow:inset 0 2px 7px rgba(10,50,110,.35),0 8px 22px rgba(20,60,120,.28);transition:background .7s,box-shadow .7s,border-color .7s;-webkit-tap-highlight-color:transparent}
.tswitch .sky,.tswitch .sky *{position:absolute}.tswitch .sky{inset:0}
.tswitch .sun{left:58px;top:12px;width:17px;height:17px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff3a8,#ffc928 70%);box-shadow:0 0 12px 3px rgba(255,205,60,.75);transition:transform .7s cubic-bezier(.4,1.4,.5,1),opacity .5s}
.tswitch .moon{left:12px;top:11px;width:19px;height:19px;border-radius:50%;box-shadow:inset -6px -2px 0 0 #ffd23f;transform:translateY(-34px) rotate(-30deg);opacity:0;transition:transform .7s cubic-bezier(.4,1.4,.5,1),opacity .5s}
.tswitch .st{width:2px;height:2px;border-radius:50%;background:#fff;opacity:0;transition:opacity .6s .2s;animation:tw 2.6s ease-in-out infinite}
.tswitch .st.a{left:36px;top:9px}.tswitch .st.b{left:50px;top:17px;animation-delay:.7s}.tswitch .st.c{left:30px;top:24px;animation-delay:1.3s;width:1.5px;height:1.5px}.tswitch .st.d{left:64px;top:8px;animation-delay:1.9s}.tswitch .st.e{left:44px;top:6px;animation-delay:.3s;width:1.5px;height:1.5px}
@keyframes tw{50%{transform:scale(.4);opacity:.3}}
.tswitch .clouds{left:0;right:0;bottom:-2px;height:22px;transition:transform .7s cubic-bezier(.34,1.5,.5,1),filter .7s}
.tswitch .clouds i{bottom:0;border-radius:50%;background:#fff;box-shadow:0 -2px 5px rgba(120,170,230,.4) inset}
.tswitch .clouds i:nth-child(1){left:-6px;width:26px;height:20px}.tswitch .clouds i:nth-child(2){left:10px;width:22px;height:24px;bottom:-4px}.tswitch .clouds i:nth-child(3){left:27px;width:26px;height:18px}
.tswitch .clouds i:nth-child(4){left:45px;width:24px;height:22px;bottom:-3px}.tswitch .clouds i:nth-child(5){left:62px;width:28px;height:19px}.tswitch .clouds i:nth-child(6){left:78px;width:20px;height:23px;bottom:-4px}
.tswitch .orb{position:absolute;left:4px;top:4px;width:32px;height:32px;border-radius:50%;background:radial-gradient(circle at 34% 30%,#fff,#f4f7ff 60%,#dfe6f7);box-shadow:0 0 16px 4px rgba(255,255,255,.65),0 4px 10px rgba(0,30,80,.35);transition:transform .7s cubic-bezier(.4,1.35,.45,1),box-shadow .7s}
.tswitch:hover .orb{box-shadow:0 0 22px 7px rgba(255,255,255,.75),0 4px 10px rgba(0,30,80,.35)}.tswitch:active .orb{transform:scale(.94)}
:root[data-theme=dark] .tswitch{background:linear-gradient(180deg,#050a24 0%,#16246a 100%);border-color:rgba(160,180,255,.28);box-shadow:inset 0 2px 8px rgba(0,0,0,.7),0 8px 22px rgba(0,0,0,.45)}
:root[data-theme=dark] .tswitch .orb{transform:translateX(46px);background:radial-gradient(circle at 34% 30%,#fff,#eef1ff 60%,#cdd5f0);box-shadow:0 0 20px 6px rgba(190,205,255,.6),0 4px 10px rgba(0,0,0,.5)}
:root[data-theme=dark] .tswitch .sun{transform:translateY(34px) scale(.5);opacity:0}:root[data-theme=dark] .tswitch .moon{transform:none;opacity:1}:root[data-theme=dark] .tswitch .st{opacity:1}
:root[data-theme=dark] .tswitch .clouds{filter:brightness(.62) saturate(.7) hue-rotate(8deg);transform:translateY(4px)}
.tswitch:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- hero: cảnh ảnh thật + thẻ hồ sơ, cuộn có chiều sâu ---------- */
.hero{--hp:0;position:relative;min-height:max(100svh,700px);display:flex;align-items:center;overflow:clip;isolation:isolate;padding:118px 0 70px}
.hero-sky{position:absolute;inset:0;z-index:-1;overflow:hidden;-webkit-mask-image:linear-gradient(#000 78%,transparent);mask-image:linear-gradient(#000 78%,transparent);transform:translateY(calc(var(--hp) * 70px));opacity:calc(1 - var(--hp) * .5);will-change:transform}
.hero-sky .gradient-ascii-container{position:absolute;inset:0}
.hero-sky.no-fx{background:radial-gradient(120% 70% at 50% 0%,#a5d8ff 0%,#38bdf8 22%,#1e3fd8 58%,transparent 100%)}
.hero-scrim{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(4,8,22,.62) 0%,rgba(4,8,22,.3) 46%,transparent 78%)}
:root[data-theme=light] .hero-scrim{background:linear-gradient(90deg,rgba(246,248,255,.72) 0%,rgba(246,248,255,.38) 46%,transparent 78%)}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(24px,5vw,80px);align-items:center;width:min(1200px,100% - 40px);margin-inline:auto}
.hero-copy{transform:translateY(calc(var(--hp) * -50px));opacity:calc(1 - var(--hp) * 1.25);max-width:600px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 20px;font:600 .78rem var(--font-ui);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}.eyebrow::before{content:"";width:34px;height:1px;background:currentColor;opacity:.7}
.hero-sub{margin:0;font-size:clamp(1.2rem,2.2vw,1.65rem);line-height:1.5;font-weight:300;letter-spacing:-.01em;color:var(--text)}.hero-sub b{font-weight:400;color:var(--accent)}
.cta{display:flex;align-items:center;flex-wrap:wrap;gap:22px;margin-top:34px}
.hero-stats{display:flex;gap:30px;margin:44px 0 0;padding:0;list-style:none}.hero-stats li{font-size:.84rem;color:var(--muted);line-height:1.4}.hero-stats b{display:block;font-size:1.7rem;font-weight:300;color:var(--text);letter-spacing:-.02em}
.hero-card{position:relative;justify-self:center;transform:translateY(calc(var(--hp) * -100px)) scale(calc(1 - var(--hp) * .08));transform-origin:50% 100%}
.hero-card .profile-card{filter:drop-shadow(0 40px 60px rgba(0,0,0,.35))}
.chip-float{position:absolute;padding:9px 15px;border-radius:99px;border:1px solid var(--border);background:var(--glass);backdrop-filter:blur(14px);font:600 .8rem var(--font-ui);box-shadow:var(--shadow);animation:bob 7s ease-in-out infinite;white-space:nowrap;z-index:3}
.chip-float::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent2);margin-right:8px;box-shadow:0 0 10px var(--accent2)}
.chip-float.c1{left:-52px;top:16%}.chip-float.c2{right:-38px;top:46%;animation-delay:-2.4s}.chip-float.c3{left:-64px;bottom:34%;animation-delay:-4.6s}
@keyframes bob{50%{translate:0 -12px}}
.scroll-hint{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font:600 .7rem var(--font-ui);letter-spacing:.24em;text-transform:uppercase;color:var(--muted);opacity:calc(1 - var(--hp) * 4)}
.scroll-hint i{width:1px;height:38px;background:linear-gradient(var(--muted),transparent);animation:drip 2s ease-in-out infinite;transform-origin:0 0}@keyframes drip{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}
@media(max-width:900px){.hero{padding-top:100px;align-items:flex-start}.hero-inner{grid-template-columns:1fr;gap:34px}.hero-copy{order:2;max-width:none}.hero-card{order:1}.chip-float{display:none}.hero-stats{gap:20px}.scroll-hint{display:none}}
@media(max-width:900px){.hero-scrim{background:linear-gradient(180deg,transparent 25%,rgba(4,8,22,.5))}:root[data-theme=light] .hero-scrim{background:linear-gradient(180deg,transparent 25%,rgba(246,248,255,.6))}}

/* ---------- khu vực & hiệu ứng hiện dần khi cuộn ---------- */
.sec{position:relative;padding:clamp(56px,9vw,120px) 0}.sec-head{display:flex;align-items:end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}.sec-head h2{margin:0;font-size:clamp(1.7rem,3.6vw,2.7rem)}.sec-head p{margin:0;max-width:44ch;color:var(--muted)}
.rv{opacity:0;transform:translateY(32px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--i,0) * 90ms)}.rv.in{opacity:1;transform:none}
.no-js .rv,body.reduce .rv{opacity:1;transform:none}
.gm-band{position:relative;height:min(78vh,760px);margin:0 0 0}.gm-band .grid-motion{position:absolute;inset:0}
.gm-title{position:absolute;inset:0;display:grid;place-content:center;text-align:center;pointer-events:none;z-index:3;padding:20px}.gm-title h2{font-size:clamp(1.8rem,4.6vw,3.6rem);margin:0 0 10px;text-shadow:0 4px 40px var(--bg),0 0 20px var(--bg)}.gm-title p{margin:0 auto;max-width:46ch;color:var(--text);opacity:.85;text-shadow:0 2px 20px var(--bg)}
.gm-title .btn{pointer-events:auto;margin:22px auto 0}
.gm-band .grid-motion__tile{border:1px solid var(--border)}
.carousel-wrap{height:min(520px,70vh);position:relative;margin-top:10px}
.depth-carousel__cap{position:absolute;left:0;right:0;bottom:0;padding:34px 16px 14px;display:flex;flex-direction:column;gap:2px;background:linear-gradient(transparent,rgba(5,6,12,.88));color:#fff;z-index:2;text-align:left}.depth-carousel__cap b{font-weight:600;font-size:1rem}.depth-carousel__cap small{opacity:.8;font-size:.82rem}
.depth-carousel__card{box-shadow:0 30px 60px -20px rgba(0,0,0,.6)}
.cat-row{display:flex;gap:10px;flex-wrap:wrap}.chipbtn{display:inline-flex;align-items:center;min-height:42px;padding:0 20px;border-radius:99px;border:1px solid var(--border);background:var(--glass);backdrop-filter:blur(10px);color:var(--text);font:600 .88rem var(--font-ui);transition:transform .2s,background .2s,border-color .2s}.chipbtn:hover{text-decoration:none;transform:translateY(-2px);border-color:var(--accent);background:rgba(var(--rim),.08)}
.perk-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;justify-items:center}
.perk{--pixel-card-surface:var(--surface);width:100%!important;max-width:290px;height:340px!important;display:flex!important;flex-direction:column;justify-content:flex-end;align-items:flex-start!important;text-align:left;padding:26px;border:1px solid var(--border)}
.perk .n{font:300 3.4rem/1 var(--font);letter-spacing:-.04em;color:var(--accent);margin-bottom:auto;opacity:.9}.perk h3{margin:0 0 8px;font-size:1.25rem;font-weight:400}.perk p{margin:0;color:var(--muted);font-size:.92rem}
/* các bước mua hàng: ghim khi cuộn, bước sáng dần theo tiến trình */
.story{position:relative;height:300vh}.story-pin{position:sticky;top:0;height:100vh;display:grid;align-content:center;gap:34px;padding:90px 0 40px;overflow:hidden}
.story h2{font-size:clamp(1.7rem,3.6vw,2.7rem);margin:0}.story-track{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative}
.story-line{position:absolute;left:0;right:0;top:26px;height:2px;background:var(--border)}.story-line i{display:block;height:100%;background:linear-gradient(90deg,var(--accent2),var(--accent));transform-origin:0 50%;transform:scaleX(var(--st,0))}
.step{position:relative;padding-top:64px;opacity:calc(.28 + var(--on,0) * .72);transform:translateY(calc((1 - var(--on,0)) * 22px));transition:opacity .4s,transform .4s}
.step .dot{position:absolute;left:0;top:10px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font:600 .85rem var(--font-ui);background:var(--surface);border:1px solid var(--border);color:var(--muted);transition:all .4s}
.step.on .dot{background:var(--accent);border-color:transparent;color:var(--accent-ink);box-shadow:0 0 0 8px rgba(var(--rim),.1)}.step h3{font-size:1.5rem;font-weight:300;margin-bottom:8px}.step p{margin:0;color:var(--muted);max-width:32ch}
@media(max-width:760px){.story{height:auto}.story-pin{position:static;height:auto;padding:30px 0}.story-track{grid-template-columns:1fr}.story-line{display:none}.step{opacity:1;transform:none;padding-top:54px}}
details.card{margin-bottom:10px;transition:border-color .2s}details.card[open]{border-color:var(--accent)}details.card summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:10px}details.card summary::after{content:"+";font-weight:300;font-size:1.4rem;line-height:1;transition:transform .3s}details.card[open] summary::after{transform:rotate(45deg)}
.band{position:relative;margin:30px 0 0;padding:clamp(40px,6vw,76px) clamp(24px,5vw,64px);border-radius:32px;overflow:hidden;border:1px solid var(--border);background:linear-gradient(135deg,rgba(var(--rim),.08),transparent 60%),var(--surface);display:flex;gap:24px;align-items:center;justify-content:space-between;flex-wrap:wrap}.band h2{margin:0 0 6px}.band p{margin:0;color:var(--muted)}

/* ---------- thẻ sản phẩm ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.pcard{--rx:0deg;--ry:0deg;position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:24px;overflow:hidden;color:var(--text);transform:perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));transition:transform .2s ease-out,box-shadow .3s,border-color .3s}
.pcard:hover{text-decoration:none;transform:perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(-6px);box-shadow:var(--shadow);border-color:rgba(var(--rim),.35)}
.pcard>*{position:relative;z-index:1}.pcard::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s;z-index:2;background:radial-gradient(260px circle at var(--mx,50%) var(--my,0),rgba(var(--rim),.16),transparent 60%)}.pcard:hover::after{opacity:1}
.ph,.pcard img.ph{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;background:linear-gradient(135deg,var(--surface2),var(--accent))}
.pcard .body{padding:16px;display:flex;flex-direction:column;gap:6px;flex:1}.pcard .meta{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:6px}
.pcard>canvas.pixel-card-canvas{position:absolute;z-index:0}
.filters{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:10px;margin:18px 0 26px}@media(max-width:760px){.filters{grid-template-columns:1fr 1fr}}
.detail{display:grid;grid-template-columns:1.2fr 1fr;gap:36px;margin:30px 0}@media(max-width:860px){.detail{grid-template-columns:1fr}}
.gallery img{border-radius:24px;border:1px solid var(--border);width:100%}.thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto}.thumbs button{border:2px solid transparent;border-radius:12px;padding:0;background:none;cursor:pointer;flex:0 0 76px;overflow:hidden}.thumbs button[aria-current=true]{border-color:var(--accent)}
dl.facts{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;margin:18px 0;padding:18px;border-radius:18px;background:var(--surface);border:1px solid var(--border)}dl.facts dt{color:var(--muted)}dl.facts dd{margin:0}.prose p{max-width:70ch}
.pager{display:flex;gap:14px;align-items:center;justify-content:center;margin:28px 0}

/* ---------- ví & nạp tiền (thẻ phản chiếu) ---------- */
.wallet-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:34px;align-items:start;margin:10px 0 34px}@media(max-width:900px){.wallet-grid{grid-template-columns:1fr}}
.rc-host{display:grid;place-items:center;padding:30px 0;position:relative}.rc-host::before{content:"";position:absolute;inset:8% 6%;border-radius:50%;background:radial-gradient(closest-side,var(--glow1),transparent 70%);filter:blur(30px);z-index:-1}
.presets{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0}
.presets button{min-height:54px;border-radius:16px;border:1px solid var(--border);background:var(--surface);color:var(--text);font:600 .95rem var(--font-ui);cursor:pointer;font-variant-numeric:tabular-nums;transition:transform .15s,border-color .2s,background .2s}
.presets button:hover{transform:translateY(-2px);border-color:var(--accent)}.presets button[aria-pressed=true]{border-color:transparent;color:var(--cta-ink);background:var(--cta);box-shadow:0 10px 26px rgba(var(--rim),.25)}
.paybox{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:22px;align-items:start}@media(max-width:640px){.paybox{grid-template-columns:1fr}}
.qr{margin:0;position:relative;border-radius:20px;padding:10px;background:#fff;box-shadow:var(--shadow);max-width:230px}.qr img{border-radius:12px;width:100%}
.qr::before{content:"";position:absolute;left:10px;right:10px;height:3px;border-radius:3px;background:linear-gradient(90deg,transparent,var(--accent2),transparent);box-shadow:0 0 14px 2px var(--accent2);animation:scan 2.8s ease-in-out infinite}@keyframes scan{0%,100%{top:12px}50%{top:calc(100% - 14px)}}
.inforow{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}.inforow:last-child{border:0}.inforow span.k{color:var(--muted);flex:0 0 108px;font-size:.9rem}.inforow .copy{flex:1;word-break:break-all}

/* ---------- đăng nhập / đăng ký: kính trượt ---------- */
main.auth-page{padding-top:0}
.auth-stage{position:relative;min-height:100svh;display:grid;place-items:center;padding:110px 16px 120px;overflow:hidden;isolation:isolate}
.auth-stage canvas.facets{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.auth-glass{--ox:50%;--oy:50%;position:relative;width:min(940px,100%);min-height:560px;border-radius:30px;overflow:hidden;border:1px solid var(--border);background:linear-gradient(140deg,rgba(var(--rim),.12),rgba(var(--rim),.02) 55%),var(--glass);backdrop-filter:blur(26px) saturate(1.5);box-shadow:0 40px 100px rgba(0,0,0,.45),inset 0 1px rgba(var(--rim),.2)}
.auth-glass::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(380px circle at var(--ox) var(--oy),rgba(var(--rim),.16),transparent 60%);z-index:4}
.auth-glass .pane{position:absolute;top:0;bottom:0;width:50%;display:flex;flex-direction:column;justify-content:center;padding:clamp(24px,4vw,52px);transition:opacity .6s .15s,transform .8s cubic-bezier(.7,0,.2,1),filter .6s}
.pane.login{left:0}.pane.reg{right:0}
.auth-glass[data-mode=login] .pane.reg,.auth-glass[data-mode=reg] .pane.login{opacity:0;pointer-events:none;filter:blur(10px)}
.auth-glass[data-mode=login] .pane.reg{transform:translateX(18%)}.auth-glass[data-mode=reg] .pane.login{transform:translateX(-18%)}
.auth-over{position:absolute;top:0;bottom:0;left:0;width:50%;z-index:3;display:flex;flex-direction:column;justify-content:center;gap:12px;padding:clamp(24px,4vw,52px);transition:transform .85s cubic-bezier(.7,0,.2,1);background:linear-gradient(115deg,rgba(var(--rim),.18),rgba(var(--rim),.05));border-right:1px solid var(--border);-webkit-clip-path:polygon(0 0,100% 0,88% 100%,0 100%);clip-path:polygon(0 0,100% 0,88% 100%,0 100%)}
.auth-glass[data-mode=login] .auth-over{transform:translateX(100%);-webkit-clip-path:polygon(12% 0,100% 0,100% 100%,0 100%);clip-path:polygon(12% 0,100% 0,100% 100%,0 100%);border-right:0;border-left:1px solid var(--border)}
.auth-over h2{font-size:clamp(1.7rem,3.2vw,2.6rem);font-weight:600;letter-spacing:-.02em;line-height:1.05;margin:0;text-transform:uppercase}.auth-over p{margin:0;color:var(--muted);max-width:26ch}
.auth-over .btn{align-self:flex-start;margin-top:8px}
.auth-glass.swap{animation:swap .9s ease}@keyframes swap{35%{filter:blur(7px) brightness(1.15)}}
.pane h1{font-size:1.9rem;font-weight:300;margin:0 0 6px}.pane .field{position:relative;margin-top:14px}
.pane .field input{background:rgba(var(--rim),.07);border:0;border-bottom:1px solid var(--border);border-radius:12px 12px 0 0;padding-top:20px;min-height:54px}
.pane .field label{position:absolute;left:14px;top:17px;margin:0;pointer-events:none;transition:all .2s;font-size:.9rem}
.pane .field input:focus+label,.pane .field input:not(:placeholder-shown)+label{top:6px;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
.pane .field input:focus{box-shadow:none;border-bottom-color:var(--accent)}
.pane .field::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--accent2),var(--accent));transform:scaleX(0);transition:transform .35s}.pane .field:focus-within::after{transform:scaleX(1)}
.pane .pw{position:relative}.pw .eye{position:absolute;right:6px;top:50%;translate:0 -50%;min-height:34px;padding:0 10px;border:0;background:none;color:var(--muted);cursor:pointer;font:600 .78rem var(--font-ui);z-index:2}
.pane .btn.primary{width:100%;min-height:50px;margin-top:20px}.pane .alt{margin-top:14px;font-size:.88rem;color:var(--muted);text-align:center}
.mini-m{display:none}
@media(max-width:760px){.auth-glass{min-height:0}.auth-over{display:none}.auth-glass .pane{position:relative;width:100%;transform:none!important;filter:none!important}.auth-glass[data-mode=login] .pane.reg,.auth-glass[data-mode=reg] .pane.login{display:none}.mini-m{display:block;margin-top:14px;text-align:center;font-size:.88rem}}
.plain-auth{max-width:440px;margin:40px auto}

/* ---------- chân trang & nút nổi ---------- */
footer{border-top:1px solid var(--border);padding:44px 0 36px;margin-top:40px;color:var(--muted);background:linear-gradient(180deg,transparent,rgba(var(--rim),.04))}footer .cols{display:flex;gap:40px;flex-wrap:wrap;justify-content:space-between}footer .cols>div{min-width:150px}footer a{color:var(--muted)}footer a:hover{color:var(--text)}footer b{color:var(--text)}
.zalo{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:55;display:flex;align-items:center;gap:8px;background:var(--glass);color:var(--text);backdrop-filter:blur(14px);border:1px solid var(--border);border-radius:99px;padding:5px 16px 5px 5px;box-shadow:var(--shadow);font-weight:600;font-size:.85rem}
.zalo:hover{text-decoration:none}.zalo img{width:38px;height:38px;object-fit:contain;border-radius:50%}.zalo.pulse::after{content:"";position:absolute;inset:0;border-radius:99px;border:2px solid var(--accent2);animation:pulse 2.4s ease-out infinite;pointer-events:none}
@keyframes pulse{from{transform:scale(1);opacity:.7}to{transform:scale(1.25);opacity:0}}@media(max-width:560px){.zalo span{display:none}.zalo{padding:5px}}
@media(prefers-reduced-motion:reduce){.hero-sky,.hero-copy,.hero-card{transform:none!important;opacity:1!important}.chip-float{animation:none}}
/* bổ sung: lớp phủ đăng nhập, nghiêng kính */
.auth-glass{transform:perspective(1400px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .25s ease-out}
.auth-over .ov{display:none;flex-direction:column;gap:12px}.auth-glass[data-mode=login] .ov.a,.auth-glass[data-mode=reg] .ov.b{display:flex;animation:ovin .8s .25s both}
@keyframes ovin{from{opacity:0;transform:translateY(14px);filter:blur(6px)}}
.auth-glass[data-mode=reg] .auth-over{padding-right:clamp(40px,7vw,90px)}.auth-glass[data-mode=login] .auth-over{padding-left:clamp(40px,7vw,90px)}
.gm-band.static{height:auto;min-height:320px;display:grid;place-items:center;padding:70px 0}
.depth-carousel__cap b{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:1rem!important;line-height:1.3}
.auth-over h2{font-weight:400!important;text-transform:none!important;letter-spacing:-.01em!important}
.gm-title::before{content:"";position:absolute;left:50%;top:50%;width:min(900px,96vw);height:360px;transform:translate(-50%,-50%);background:radial-gradient(closest-side,color-mix(in srgb,var(--bg) 92%,transparent) 30%,transparent 100%);z-index:-1;pointer-events:none}
html,body{overflow-x:clip}main{overflow-x:clip}.hero,.hero-sky,.gm-band{overflow:clip}

/* chữ nổi bật hơn ở đầu trang */
.eyebrow{font-weight:700;letter-spacing:.18em;color:var(--text);opacity:.85}
.hero-sub{font-weight:400;font-size:clamp(1.25rem,2.3vw,1.75rem);line-height:1.45;text-shadow:0 1px 18px color-mix(in srgb,var(--bg) 60%,transparent)}
.hero-sub b{font-weight:700}
.hero-stats b{font-weight:600}.hero-stats li{font-weight:500;color:var(--text)}

/* ================= v6: thanh menu căn giữa (logo trái · menu giữa · tiện ích phải) ================= */
header.top{--side:164px;--right:154px;transition:inset .35s cubic-bezier(.22,1,.36,1)}
header.top[data-stuck]{inset:8px 0 auto 0}
header.top .bar-in{position:relative;min-height:44px;justify-content:flex-end}
header.top .top-right{position:relative;z-index:2;gap:10px}
header.top .pn-host{position:absolute;inset:0;flex:none;min-width:0;display:flex;align-items:center;justify-content:center;padding-inline:var(--side);pointer-events:none}
header.top .pn-host :is(.pill-nav__logo,.pill-nav__bar,.pill-nav__toggle,.pill-nav__panel){pointer-events:auto}
header.top .pn-host .pill-nav:not([data-collapsed]){display:contents}
header.top .pn-host .pill-nav:not([data-collapsed]) .pill-nav__logo{position:absolute;left:0;top:50%;translate:0 -50%}
/* thu gọn (màn hình hẹp): logo trái, nút ba gạch cạnh tiện ích; vùng khả dụng giữ nguyên để không bị giật qua lại */
header.top .pn-host:has(.pill-nav[data-collapsed]){padding-left:0;padding-right:calc(var(--side) * 2);justify-content:flex-start}
header.top .pn-host .pill-nav[data-collapsed]{flex:none;max-width:none;width:calc(100% + var(--side) * 2 - var(--right))}
/* kính mờ xịn hơn */
header.top .pill-nav__bar,header.top .pill-nav__logo,header.top .pill-nav__toggle,header.top .pill-nav__panel{background-image:linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,0) 55%);transition:box-shadow .35s,transform .3s}
header.top[data-stuck] .pill-nav__bar,header.top[data-stuck] .pill-nav__logo{box-shadow:0 18px 40px -16px rgba(0,0,0,.65),0 4px 12px -6px rgba(0,0,0,.4)}
header.top .pill-nav__logo:hover{transform:scale(1.07)}
header.top .pill-nav__item{font-weight:600;letter-spacing:0}
/* vạch ngăn: nhóm thông tin | nhóm tài khoản */
header.top .pill-nav__list>.pill-nav__slot:nth-child(4){position:relative;margin-left:14px}
header.top .pill-nav__list>.pill-nav__slot:nth-child(4)::before{content:"";position:absolute;left:-8px;top:50%;width:1px;height:16px;translate:0 -50%;border-radius:1px;background:color-mix(in srgb,var(--pn-strong) 24%,transparent);pointer-events:none}
/* nút Đăng ký: màu nhấn */
header.top .pill-nav[data-items] .pill-nav__item[data-cta]{background:linear-gradient(135deg,var(--cta),color-mix(in srgb,var(--cta) 68%,#fff));color:var(--cta-ink);box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 8px 18px -8px color-mix(in srgb,var(--cta) 80%,transparent)}
header.top .pill-nav[data-items] .pill-nav__slot[data-lit] .pill-nav__item[data-cta]{color:var(--cta-ink)}
.pill-nav__badge{box-shadow:0 0 0 2px var(--pn-solid,transparent)}
/* nút tìm kiếm cao bằng thanh menu */
header.top .top-right .icon-btn{width:44px;height:44px;box-shadow:0 12px 26px -14px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.14);transition:transform .25s,border-color .2s}
header.top .top-right .icon-btn:hover{transform:translateY(-1px) scale(1.05)}
@media(max-width:1180px){header.top{--side:112px;--right:100px}header.top .top-right .icon-btn{display:none}}
@media(max-width:560px){header.top .bar-in{width:calc(100% - 20px)}}