@font-face{font-family:BVP;font-style:normal;font-weight:400;font-display:swap;src:url(fonts/bvp-400-vietnamese.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:BVP;font-style:normal;font-weight:400;font-display:swap;src:url(fonts/bvp-400-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:BVP;font-style:normal;font-weight:600;font-display:swap;src:url(fonts/bvp-600-vietnamese.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:BVP;font-style:normal;font-weight:600;font-display:swap;src:url(fonts/bvp-600-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:BVP;font-style:normal;font-weight:700;font-display:swap;src:url(fonts/bvp-700-vietnamese.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:BVP;font-style:normal;font-weight:700;font-display:swap;src:url(fonts/bvp-700-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:BVP;font-style:normal;font-weight:800;font-display:swap;src:url(fonts/bvp-800-vietnamese.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:BVP;font-style:normal;font-weight:800;font-display:swap;src:url(fonts/bvp-800-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --bg:#FBFAFF; --card:#FFFFFF; --ink:#141326; --sub:#6C6B84; --line:#ECE8FA; --soft:#F7F4FF;
  --accent:#6D28D9; --accent2:#F0399A; --blue:#2563EB; --amber:#F59E0B; --green:#16A34A; --teal:#0EA5A5;
  --pad:clamp(15px,2.6vw,26px); --max:1024px; --r-sm:9px; --r:12px; --r-md:16px; --r-lg:20px;
  --sh-sm:0 8px 22px rgba(80,60,150,.06); --sh:0 10px 26px rgba(80,60,150,.08); --sh-lg:0 18px 46px rgba(88,60,180,.10);
  --dark-navy:linear-gradient(120deg,#0F1738 0%,#141B45 50%,#0E1433 100%);
  --ph:repeating-linear-gradient(135deg,#EDE7FD 0 12px,#F6F2FE 12px 24px);
}
html[data-theme="dark"]{
  --bg:#0D0A1B; --card:#171236; --ink:#F3F1FF; --sub:#A9A3CC; --line:#2A2352; --soft:#1D1743;
  --sh-sm:0 8px 22px rgba(0,0,0,.4); --sh:0 10px 26px rgba(0,0,0,.45); --sh-lg:0 18px 46px rgba(0,0,0,.5);
  --ph:repeating-linear-gradient(135deg,#241D4E 0 12px,#1C1640 12px 24px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:BVP,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none;transition:color .18s}
a:hover{color:var(--accent2)}
button,input,select,textarea{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.01em;text-wrap:pretty}
p{margin:0;text-wrap:pretty}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
/* An element carrying [hidden] must stay hidden even when a rule below gives it a
   display value — otherwise .result / .comm__more re-appear the moment they are set. */
[hidden]{display:none!important}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.i{width:1em;height:1em;flex:none;vertical-align:-.125em;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- layout ---------- */
.container{width:100%;max-width:var(--max);margin:0 auto;padding-inline:var(--pad)}
.row{display:flex;flex-wrap:wrap;gap:clamp(20px,2.6vw,28px);align-items:flex-start}
.col-main{flex:1 1 520px;min-width:0}
.col-side{flex:1 1 250px;max-width:320px;min-width:min(100%,230px);display:flex;flex-direction:column;gap:16px}
@media (min-width:900px){.col-side{position:sticky;top:16px}}
.stack{display:flex;flex-direction:column;gap:14px}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(256px,1fr));gap:clamp(14px,2.2vw,22px)}
.sr,.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;z-index:100;padding:10px 16px;background:var(--accent);color:#fff;border-radius:0 0 8px 0}
.skip:focus{left:0;top:0;color:#fff}

/* ---------- brand / header ---------- */
.brand{display:flex;align-items:baseline;font-weight:800;font-size:clamp(21px,2.4vw,27px);letter-spacing:-.5px;flex:none}
.brand span:nth-child(1){color:#1D4ED8}.brand span:nth-child(2){color:#7C3AED}.brand span:nth-child(3){color:#DB2777}
.brand span:nth-child(4){color:#F59E0B}.brand span:nth-child(5){color:#84CC16}.brand span:nth-child(6){color:#F97316}
.brand span:nth-child(7){color:#8B5CF6}.brand .tld{color:var(--sub);font-size:13px;font-weight:700}
.site-head{position:relative;z-index:30;background:var(--card);border-bottom:1px solid var(--line)}
.site-head__bar{display:flex;align-items:center;gap:clamp(12px,2vw,30px);min-height:66px}
.nav{flex:1 1 auto;min-width:0;display:flex;align-items:center;gap:clamp(14px,1.8vw,26px);overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{flex:none;font-size:13.5px;font-weight:500;color:var(--sub);white-space:nowrap;padding:8px 2px}
.nav a:hover{color:#DB2777}
.nav a.is-active{font-weight:600;color:var(--accent);padding:21px 2px;border-bottom:3px solid var(--accent)}
.pill-hot{flex:none;display:inline-flex;align-items:center;gap:6px;background:#FFE4E6;color:#E11D48;font-size:12px;font-weight:700;padding:6px 13px;border-radius:999px}
.head-actions{flex:none;margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:var(--soft);color:#A16207;cursor:pointer;font-size:15px;display:grid;place-items:center;transition:border-color .18s,transform .18s}
.icon-btn:hover{border-color:#C4B5FD}
.icon-btn--grad{border:none;background:linear-gradient(135deg,#7C3AED,#4F46E5);color:#fff;box-shadow:0 4px 12px rgba(109,40,217,.35)}
.menu-drop{display:none;border-top:1px solid var(--line);background:var(--soft)}
.menu-drop.is-open{display:block}
.menu-drop .container{padding-block:14px 18px;display:flex;flex-wrap:wrap;gap:10px}
.menu-drop a{border:1px solid var(--line);background:var(--card);border-radius:10px;padding:9px 15px;font-size:13px;font-weight:600;color:var(--ink)}
.menu-drop a:hover{border-color:#8B5CF6;color:var(--accent)}
@media (max-width:640px){.nav a.is-active{padding:8px 2px;border-bottom:2px solid var(--accent)}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:none;border-radius:var(--r);padding:14px 26px;min-height:46px;font-size:13.5px;font-weight:700;letter-spacing:.05em;white-space:nowrap;cursor:pointer;transition:transform .18s,box-shadow .18s,border-color .18s,color .18s}
.btn:hover{transform:translateY(-1px)}
.btn[disabled]{opacity:.6;cursor:default;transform:none}
.btn--primary{color:#fff;background:linear-gradient(135deg,#7C3AED,#4C1DD9);box-shadow:0 10px 24px rgba(88,40,214,.32)}
.btn--primary:hover{color:#fff}
.btn--amber{color:#3F2D00;background:linear-gradient(135deg,#FDE047,#F5B70A);box-shadow:0 10px 22px rgba(245,183,10,.34)}
.btn--amber:hover{color:#3F2D00}
.btn--ghost{background:var(--card);color:var(--ink);border:1px solid var(--line);font-weight:600}
.btn--ghost:hover{border-color:var(--accent2);color:#E11D74}
.tab{border:1px solid var(--line);border-radius:999px;padding:9px 16px;min-height:38px;font-size:12.5px;font-weight:500;white-space:nowrap;color:var(--sub);background:var(--card);cursor:pointer;transition:.18s}
.tab:hover{border-color:#A78BFA;color:var(--accent)}
.tab.is-on{border:1px solid transparent;color:#fff;background:linear-gradient(135deg,#6D28D9,#4F46E5);font-weight:600;box-shadow:0 5px 14px rgba(109,40,217,.28)}
.tab--sq{border-radius:10px}
.copy-chip{border:1px solid var(--line);background:var(--card);border-radius:11px;padding:10px 16px;font-size:15px;line-height:1.5;color:var(--ink);cursor:pointer;transition:.18s;max-width:100%;overflow-wrap:anywhere;text-align:center}
.copy-chip:hover{border-color:#8B5CF6;box-shadow:0 6px 16px rgba(109,40,217,.14)}
.copy-chip.is-done{border-color:var(--green);color:var(--green)}
.tag-chip{display:inline-block;border:1px solid var(--line);background:var(--soft);border-radius:var(--r-sm);padding:7px 12px;font-size:12px;font-weight:600;color:var(--sub);cursor:pointer;transition:.18s}
.tag-chip:hover{border-color:#8B5CF6;color:var(--accent)}

/* ---------- cards ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh-sm)}
.card--pad{padding:18px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--sh-lg);padding:clamp(16px,2.6vw,30px)}
.side-title{display:flex;align-items:center;gap:8px;font-weight:800;font-size:13px;letter-spacing:.05em;margin-bottom:14px}
.thumb{position:relative;border-radius:13px;overflow:hidden;background-image:var(--ph);display:grid;place-items:center;aspect-ratio:16/10}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb--wide{aspect-ratio:16/7;border-radius:var(--r-lg)}
.thumb small{font-family:ui-monospace,Menlo,monospace;font-size:10.5px;letter-spacing:.05em;color:#8B7FC0;padding:4px 8px;text-align:center}
.badge{position:absolute;left:10px;top:10px;color:#fff;font-size:10.5px;font-weight:700;padding:5px 10px;border-radius:999px;display:inline-flex;align-items:center;gap:5px}
.meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:11.5px;color:var(--sub)}
.meta span{display:inline-flex;align-items:center;gap:6px}

/* ---------- trang chủ ---------- */
.deco{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0}
@media (max-width:900px){.deco{display:none}}
.deco b{position:absolute;display:block}
.deco .zig{width:88px;height:40px;background:linear-gradient(90deg,#8B5CF6,#C4B5FD);opacity:.85;clip-path:polygon(0 62%,22% 20%,44% 74%,72% 4%,100% 40%,96% 54%,72% 26%,45% 96%,22% 44%,4% 78%)}
.deco .dots{background-image:radial-gradient(currentColor 2px,transparent 2px);background-size:14px 14px;opacity:.5}
.deco .star{background:currentColor;clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%)}
.deco .cross{background:currentColor;clip-path:polygon(42% 0,58% 0,58% 42%,100% 42%,100% 58%,58% 58%,58% 100%,42% 100%,42% 58%,0 58%,0 42%,42% 42%)}
.float{animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@keyframes glow{0%,100%{opacity:.55}50%{opacity:1}}
@keyframes spin{to{transform:rotate(360deg)}}
.hero{text-align:center;padding:clamp(24px,3.6vw,34px) 0 26px;position:relative;z-index:1}
.hero__kicker{font-weight:700;font-size:clamp(15px,2vw,19px);letter-spacing:.06em}
.hero__title{margin:8px auto 0;max-width:620px;font-size:clamp(28px,5.2vw,47px);line-height:1.08}
.hero__sub{margin-top:14px;font-size:clamp(13px,1.5vw,14.5px);color:var(--sub)}
.hero__rule{margin:18px auto 0;width:96px;height:4px;border-radius:999px;background:linear-gradient(90deg,#7C3AED,#C4B5FD)}
.field{position:relative}
.field input{width:100%;height:58px;border-radius:14px;border:1.5px solid var(--line);background:var(--soft);padding:0 76px 0 18px;font-size:15px;color:var(--ink);outline:none;transition:.18s}
.field input:focus{border-color:#8B5CF6;box-shadow:0 0 0 4px rgba(139,92,246,.14)}
.field__count{position:absolute;right:16px;bottom:9px;font-size:11.5px;color:#A6A2BF}
.step{font-size:12.5px;font-weight:700;letter-spacing:.07em;margin-bottom:12px;color:var(--ink)}
.step b{color:var(--accent)}
.result{margin-top:22px;border:1.5px dashed var(--line);border-radius:var(--r-md);background:var(--soft);min-height:74px;padding:16px 18px;display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.result__hint{display:flex;align-items:center;gap:12px;font-weight:700;font-size:clamp(12px,1.6vw,15px);letter-spacing:.05em;color:var(--sub);text-align:center}
.result__hint em{color:#A78BFA;letter-spacing:.2em;font-style:normal}
.actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.actions .push{margin-left:auto}
@media (max-width:520px){.actions{display:grid;grid-template-columns:1fr}.actions .push{margin-left:0}}
.sec-head{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(18px,2.6vw,23px);letter-spacing:.05em}
.sec-head b{font-size:20px;letter-spacing:-4px;font-weight:800}
.tool{position:relative;display:flex;gap:18px;padding:22px 22px 26px;transition:transform .18s,box-shadow .18s}
.tool:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(80,60,150,.14)}
.tool__ic{flex:none;width:74px;height:74px;border-radius:999px;display:grid;place-items:center;color:#fff;font-size:28px;font-weight:700}
.tool h3{font-size:15.5px;font-weight:700;margin-bottom:7px}
.tool p{font-size:13px;line-height:1.5;color:var(--sub);max-width:190px}
.tool__go{position:absolute;right:16px;bottom:14px;width:28px;height:28px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center;font-size:11px}
.tool__go:hover{background:var(--accent);color:#fff;border-color:var(--accent)}
.trend{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(115deg,var(--soft),var(--card));padding:clamp(18px,2.6vw,30px);margin-top:40px}
.trend__body{display:flex;flex-wrap:wrap;gap:20px;align-items:center}
.trend__list{display:flex;flex-wrap:wrap;gap:12px;flex:1 1 320px;min-width:0;max-width:640px}
.trend__list button{padding:11px 18px;font-size:14px;font-weight:600;color:var(--ink)}
.chest{position:relative;flex:0 1 200px;min-width:170px;height:170px}
.chest u{position:absolute;display:block;text-decoration:none}
.stats{margin-top:26px;display:grid;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));overflow:hidden}
.stat{display:flex;align-items:center;gap:16px;padding:26px 22px;border-left:1px solid var(--line)}
.stat .i{font-size:26px}
.stat b{display:block;font-weight:800;font-size:23px}
.stat small{display:block;margin-top:3px;font-size:13px;color:var(--sub)}
.cta{position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--dark-navy);padding:clamp(30px,4.4vw,46px) clamp(18px,2.6vw,30px);text-align:center;margin-top:30px}
.cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:36px 36px}
.cta>*{position:relative}
.cta__kicker{font-weight:700;font-size:clamp(13px,1.8vw,16px);letter-spacing:.09em;color:#E7E9FF}
.cta h2{margin-top:12px;font-size:clamp(20px,3.6vw,33px)}
.cta p:last-child{margin-top:16px;font-size:14px;color:#B9BEE4}
.bolt{position:absolute;right:clamp(12px,3vw,36px);bottom:28px;font-size:44px;color:#FACC15;filter:drop-shadow(0 0 16px rgba(250,204,21,.7));animation:glow 3s ease-in-out infinite}
@media (max-width:640px){.bolt{display:none}}

/* ---------- bộ tạo tên ---------- */
.gen-out{margin-top:22px;display:none;flex-direction:column;gap:22px}
.gen-out.is-on{display:flex}
.gen-sec h3{display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:800;letter-spacing:.04em;margin-bottom:12px;color:var(--ink)}
.gen-sec h3 em{font-style:normal;font-size:11.5px;font-weight:600;color:var(--sub)}
.gen-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,190px),1fr));gap:10px}
.gen-grid .copy-chip{width:100%}
.emoji-grid{display:flex;flex-wrap:wrap;gap:8px}
.emoji-grid .copy-chip{padding:8px 12px;font-size:19px;min-width:44px}
.gen-load{display:flex;align-items:center;justify-content:center;gap:12px;padding:26px;font-size:13px;font-weight:600;color:var(--sub)}
.spin{width:20px;height:20px;border-radius:999px;border:2.5px solid var(--line);border-top-color:var(--accent);animation:spin .7s linear infinite}
.gen-msg{padding:16px 18px;border-radius:var(--r);background:var(--soft);border:1px solid var(--line);font-size:13.5px;color:var(--sub);text-align:center}

/* cộng đồng */
.comm{margin-top:26px;display:none;flex-direction:column;gap:20px}
.comm.is-on{display:flex}
.comm__block{border:1px solid var(--line);border-radius:var(--r-md);background:var(--card);padding:18px}
.comm__h{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:13.5px;font-weight:800;letter-spacing:.03em;margin-bottom:14px}
.comm__h .nm{color:var(--accent)}
.nick-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,200px),1fr));gap:10px}
.nick{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--soft);border-radius:11px;padding:8px 10px}
.nick__txt{flex:1 1 auto;min-width:0;border:none;background:none;padding:0;font-size:15px;color:var(--ink);cursor:pointer;text-align:left;overflow-wrap:anywhere}
.nick__txt:hover{color:var(--accent)}
.nick__by{display:block;margin-top:3px;font-size:10.5px;font-weight:500;color:var(--sub)}
.nick__like{flex:none;display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:4px 9px;font-size:11.5px;font-weight:700;color:var(--sub);cursor:pointer;transition:.18s}
.nick__like:hover,.nick__like.is-on{border-color:#8B5CF6;color:var(--accent)}
.comm__form{display:flex;flex-wrap:wrap;gap:10px}
.comm__form input{flex:1 1 220px;min-width:0;height:46px;border-radius:var(--r);border:1.5px solid var(--line);background:var(--soft);padding:0 14px;font-size:14px;color:var(--ink);outline:none;transition:.18s}
.comm__form input:focus{border-color:#8B5CF6;box-shadow:0 0 0 4px rgba(139,92,246,.13)}
.comm__note{margin-top:10px;font-size:11.5px;line-height:1.6;color:var(--sub)}
.comm__more{margin-top:14px;display:flex;justify-content:center}
.toggle{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;margin-left:auto}
.toggle button{border:none;background:var(--card);color:var(--sub);font-size:11.5px;font-weight:700;padding:7px 13px;cursor:pointer;transition:.18s}
.toggle button.is-on{background:linear-gradient(135deg,#6D28D9,#4F46E5);color:#fff}

/* ---------- danh mục / lưu trữ ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--sub);margin-bottom:14px}
.crumbs a{color:var(--sub)}.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:#C9C4DE}
.crumbs .cur{color:var(--accent);font-weight:600}
.page-head{padding:clamp(22px,3.4vw,34px) 0 clamp(16px,2.4vw,22px)}
.page-head h1{font-size:clamp(26px,4.4vw,40px);line-height:1.12}
.page-head p{margin-top:12px;max-width:560px;font-size:clamp(13px,1.4vw,14.5px);line-height:1.7;color:var(--sub)}
.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-sm)}
.search{flex:1 1 240px;min-width:0;position:relative}
.search .i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#A6A2BF;font-size:15px}
.search input{width:100%;height:46px;border-radius:var(--r);border:1.5px solid var(--line);background:var(--soft);padding:0 14px 0 40px;font-size:13.5px;color:var(--ink);outline:none;transition:.18s}
.search input:focus{border-color:#8B5CF6;box-shadow:0 0 0 4px rgba(139,92,246,.13)}
.select{flex:0 1 170px;min-width:150px;height:46px;border-radius:var(--r);border:1.5px solid var(--line);background:var(--card);color:var(--ink);padding:0 12px;font-size:13px;font-weight:600;cursor:pointer;outline:none}
.feature{display:block;overflow:hidden;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);transition:transform .18s,box-shadow .18s}
.feature:hover{transform:translateY(-3px);box-shadow:0 22px 44px rgba(80,60,150,.15);color:inherit}
.feature__body{padding:clamp(16px,2.2vw,24px)}
.feature h2{margin-top:12px;font-size:clamp(19px,2.4vw,25px);font-weight:700;line-height:1.28}
.feature p{margin-top:10px;font-size:13.5px;line-height:1.75;color:var(--sub)}
.feature__more{margin-top:16px;display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;letter-spacing:.05em;color:var(--accent)}
.cat-pill{color:var(--accent);font-weight:700;background:var(--soft);padding:5px 11px;border-radius:999px}
.post{display:flex;flex-wrap:wrap;gap:clamp(14px,2vw,20px);padding:14px;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh-sm);transition:transform .18s,box-shadow .18s,border-color .18s}
.post:hover{border-color:#C4B5FD;transform:translateY(-2px);box-shadow:0 16px 30px rgba(80,60,150,.12);color:inherit}
.post .thumb{flex:1 1 180px;max-width:230px;min-width:150px}
.post__body{flex:3 1 260px;min-width:0;padding:4px 0}
.post h3{font-size:clamp(15px,1.8vw,17.5px);font-weight:700;line-height:1.35}
.post p{margin-top:8px;font-size:13px;line-height:1.7;color:var(--sub)}
.post .meta{margin-top:12px}
.empty{border:1.5px dashed var(--line);border-radius:18px;padding:38px 20px;text-align:center;background:var(--soft)}
.empty b{font-size:14px}.empty p{margin-top:8px;font-size:13px;color:var(--sub)}
.rank{display:flex;gap:12px;align-items:flex-start;color:inherit}
.rank:hover{color:var(--accent)}
.rank b{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:12px;color:#fff}
.rank span{display:block;font-size:13px;font-weight:600;line-height:1.45}
.rank small{display:flex;align-items:center;gap:5px;margin-top:5px;font-size:11px;color:var(--sub)}
.promo{position:relative;overflow:hidden;border-radius:18px;background:var(--dark-navy);padding:22px 18px;text-align:center}
.promo::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:28px 28px}
.promo>*{position:relative}
.promo .i{font-size:26px;color:#FACC15;filter:drop-shadow(0 0 12px rgba(250,204,21,.6))}
.promo b{display:block;margin-top:10px;font-weight:800;font-size:15px;color:#fff}
.promo p{margin-top:8px;font-size:12px;line-height:1.6;color:#B9BEE4}
.promo .btn{margin-top:14px;padding:11px 18px;font-size:12px}
.pagi{margin-top:22px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.pagi .page-numbers{min-width:40px;height:40px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r);background:var(--card);font-size:13px;font-weight:700;color:var(--sub)}
.pagi .page-numbers:hover{border-color:#8B5CF6;color:var(--accent)}
.pagi .current{background:linear-gradient(135deg,#6D28D9,#4F46E5);border-color:transparent;color:#fff}

/* ---------- chi tiết ---------- */
.progress{position:fixed;left:0;top:0;height:3px;width:0;z-index:50;background:linear-gradient(90deg,#7C3AED,#F0399A);transition:width .1s linear}
.article-head{padding:clamp(20px,3vw,32px) 0 0}
.kicker-pill{display:inline-flex;align-items:center;gap:7px;background:var(--soft);color:var(--accent);font-size:11.5px;font-weight:700;padding:6px 13px;border-radius:999px}
.article-head h1{margin-top:14px;max-width:760px;font-size:clamp(25px,4vw,38px);line-height:1.18}
.lede{margin-top:14px;max-width:640px;font-size:clamp(13.5px,1.5vw,15px);line-height:1.8;color:var(--sub)}
.byline{margin-top:20px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;padding-bottom:20px;border-bottom:1px solid var(--line)}
.avatar{width:38px;height:38px;border-radius:999px;background:linear-gradient(135deg,#A855F7,#6D28D9);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;flex:none;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.byline__who{display:flex;align-items:center;gap:11px}
.byline__who b{display:block;font-size:13px}
.byline__who small{display:block;margin-top:2px;font-size:11.5px;color:var(--sub)}
.share{margin-left:auto;display:flex;gap:9px}
.share button{width:38px;height:38px;border-radius:999px;border:none;color:#fff;cursor:pointer;font-size:15px;display:grid;place-items:center;transition:transform .18s}
.share button:hover{transform:translateY(-2px)}
.share .fb{background:#1877F2}.share .tg{background:#229ED9}
.share .lk{background:var(--card);color:var(--sub);border:1px solid var(--line)}
.prose{font-size:clamp(14px,1.5vw,15px);line-height:1.85;color:var(--ink)}
.prose>*{margin-bottom:20px}
.prose>*:last-child{margin-bottom:0}
.prose h2{margin:34px 0 14px;font-size:clamp(19px,2.2vw,23px);font-weight:700;line-height:1.3;scroll-margin-top:20px}
.prose h3{margin:26px 0 12px;font-size:clamp(16px,1.9vw,19px);font-weight:700;line-height:1.35;scroll-margin-top:20px}
.prose h4{margin:22px 0 10px;font-size:16px;font-weight:700}
.prose strong,.prose b{font-weight:700}
.prose ul,.prose ol{padding-left:22px;margin-bottom:20px}
.prose ul{list-style:disc}.prose ol{list-style:decimal}
.prose li{margin-bottom:8px}
.prose blockquote{margin:0 0 20px;padding:14px 18px;border-left:3px solid var(--accent);background:var(--soft);border-radius:0 var(--r) var(--r) 0;color:var(--sub)}
.prose blockquote p{margin-bottom:0}
.prose code{background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-family:ui-monospace,Menlo,monospace;font-size:.88em}
.prose pre{background:var(--soft);border:1px solid var(--line);border-radius:var(--r);padding:16px;overflow-x:auto}
.prose pre code{background:none;border:none;padding:0}
.prose img,.prose figure{border-radius:var(--r-md);overflow:hidden}
.prose figure img{width:100%}
.prose figcaption,.wp-caption-text{margin-top:8px;font-size:12px;color:var(--sub);text-align:center}
.prose table{width:100%;border-collapse:collapse;font-size:13.5px}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.prose th{background:var(--soft);font-weight:700}
.prose hr{border:none;border-top:1px solid var(--line)}
.prose a{text-decoration:underline;text-underline-offset:3px}
.alignleft{float:left;margin:0 20px 16px 0}
.alignright{float:right;margin:0 0 16px 20px}
.aligncenter{margin-inline:auto}
.note{border-radius:var(--r-md);border:1px solid var(--line);background:linear-gradient(115deg,var(--soft),var(--card));padding:18px 20px;display:flex;gap:14px;margin-bottom:22px}
.note .i{flex:none;color:var(--amber);font-size:19px}
.note p{margin:0;font-size:13.5px;line-height:1.75}
.inline-cta{position:relative;overflow:hidden;border-radius:18px;background:var(--dark-navy);padding:26px 24px;display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.inline-cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:32px 32px}
.inline-cta>*{position:relative}
.inline-cta div{flex:1 1 240px;min-width:0}
.inline-cta b{font-weight:800;font-size:clamp(16px,2vw,19px);color:#fff}
.inline-cta p{margin-top:8px;font-size:13px;color:#B9BEE4}
.keywords{margin-top:28px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.keywords>b{font-size:12px;font-weight:700;color:var(--sub);margin-right:4px}
.author-box{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;padding:18px}
.author-box .avatar{width:52px;height:52px;font-size:18px}
.author-box div{flex:1 1 240px;min-width:0}
.author-box b{font-size:14px}
.author-box p{margin-top:7px;font-size:13px;line-height:1.7;color:var(--sub)}
.pager{margin-top:20px;display:flex;flex-wrap:wrap;gap:14px}
.pager a{flex:1 1 220px;min-width:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:16px;color:inherit}
.pager a:hover{border-color:#C4B5FD;color:inherit}
.pager small{display:flex;align-items:center;gap:7px;font-size:11.5px;font-weight:700;color:var(--sub)}
.pager span{display:block;margin-top:8px;font-size:13.5px;font-weight:600;line-height:1.5}
.pager .next{text-align:right}
.pager .next small{justify-content:flex-end}
.toc{display:flex;flex-direction:column;gap:4px}
.toc a{border-left:2px solid var(--line);padding:8px 12px;font-size:12.5px;font-weight:500;line-height:1.5;color:var(--sub)}
.toc a.lv3{padding-left:24px;font-size:12px}
.toc a.is-on{border-left-color:var(--accent);color:var(--accent);font-weight:600;background:var(--soft);border-radius:0 8px 8px 0}
.rel{display:flex;gap:11px;align-items:flex-start;color:inherit}
.rel:hover{color:var(--accent)}
.rel .thumb{flex:none;width:58px;aspect-ratio:16/11;border-radius:9px}
.rel span{display:block;font-size:12.5px;font-weight:600;line-height:1.45}
.rel small{display:block;margin-top:4px;font-size:11px;color:var(--sub)}

/* ---------- bình luận ---------- */
.comments{margin-top:32px}
.comments h2{font-size:17px;margin-bottom:16px}
.clist{display:flex;flex-direction:column;gap:14px;margin-bottom:24px}
.clist ol{padding-left:28px;margin-top:14px;display:flex;flex-direction:column;gap:14px}
.cmt{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:16px}
.cmt__head{display:flex;align-items:center;gap:10px;margin-bottom:9px}
.cmt__head b{font-size:13px}
.cmt__head time{font-size:11.5px;color:var(--sub)}
.cmt p{font-size:13.5px;line-height:1.75;margin-bottom:10px}
.cmt .reply a{font-size:12px;font-weight:700}
.comment-respond{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:18px}
.comment-respond label{display:block;font-size:12px;font-weight:700;margin-bottom:6px}
.comment-respond input[type=text],.comment-respond input[type=email],.comment-respond input[type=url],.comment-respond textarea{width:100%;border:1.5px solid var(--line);border-radius:var(--r);background:var(--soft);color:var(--ink);padding:11px 14px;font-size:14px;outline:none;margin-bottom:14px}
.comment-respond textarea{min-height:120px;resize:vertical}
.comment-respond input:focus,.comment-respond textarea:focus{border-color:#8B5CF6}
.comment-respond .submit{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:var(--r);padding:13px 26px;font-size:13px;font-weight:700;letter-spacing:.05em;color:#fff;background:linear-gradient(135deg,#7C3AED,#4C1DD9);cursor:pointer}
.comment-form-cookies-consent{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--sub)}
.comment-form-cookies-consent label{font-weight:500;margin:0}

/* ---------- 404 ---------- */
.e404{text-align:center;padding:clamp(30px,6vw,60px) 0}
.e404 b{display:block;font-size:clamp(72px,16vw,140px);line-height:1;font-weight:800;background:linear-gradient(135deg,#7C3AED,#F0399A);-webkit-background-clip:text;background-clip:text;color:transparent}
.e404 h1{margin-top:10px;font-size:clamp(21px,3.4vw,30px)}
.e404 p{margin-top:14px;font-size:14px;line-height:1.75;color:var(--sub);max-width:460px;margin-inline:auto}
.e404 .actions{margin-top:24px;justify-content:center}
.e404 .search{max-width:420px;margin:22px auto 0}

/* ---------- footer ---------- */
.site-foot{background:var(--card);border-top:1px solid var(--line);margin-top:34px}
.site-foot__top{padding-block:34px 26px;display:flex;flex-wrap:wrap;gap:clamp(22px,3vw,30px)}
.site-foot__about{flex:1 1 240px;min-width:min(100%,210px)}
.site-foot__about p{margin-top:14px;font-size:12.5px;line-height:1.75;color:var(--sub);max-width:240px}
.fcol{flex:1 1 150px;min-width:140px}
.fcol b{display:block;margin-bottom:14px;font-size:12px;font-weight:700;letter-spacing:.08em}
.fcol a{display:block;font-size:12.5px;color:var(--sub);margin-bottom:9px}
.fcol a:hover{color:var(--accent)}
.socials{display:flex;gap:12px}
.socials a{width:38px;height:38px;border-radius:999px;color:#fff;display:grid;place-items:center;font-size:17px;transition:transform .18s}
.socials a:hover{transform:translateY(-2px);color:#fff}
.socials .fb{background:#1877F2}.socials .yt{background:#FF0000}.socials .tt{background:#0B0B0B}.socials .tg{background:#229ED9}
.site-foot__bar{border-top:1px solid var(--line)}
.site-foot__bar .container{padding-block:16px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:12px;color:var(--sub)}
.site-foot__bar p{display:flex;align-items:center;gap:5px}
.site-foot__bar p .i{color:var(--accent2)}
.site-foot__legal{margin-left:auto;display:flex;gap:clamp(14px,2.4vw,26px)}
.site-foot__legal a{color:var(--sub)}
.site-foot__legal a:hover{color:var(--accent)}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);z-index:60;background:#16123A;color:#fff;padding:12px 22px;border-radius:var(--r);font-size:13px;font-weight:600;box-shadow:0 14px 34px rgba(20,16,58,.4);opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:calc(100% - 30px);text-align:center}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}
@media print{.site-head,.site-foot,.progress,.share,.toast,.col-side{display:none}}