/* ==========================================================================
   NickMoa – stylesheet dùng chung cho cả 3 trang
   index.html / blog.html / blog-detail.html
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  --wrap:1240px;
  --pad:32px;

  --ink:#17142e;
  --ink-2:#2f2a45;
  --body:#4b4664;
  --muted:#6b6683;
  --muted-2:#8c8799;
  --faint:#9a96ad;
  --faint-2:#b6b2c4;

  --bg:#fbfaff;
  --card:#ffffff;
  --line:rgba(24,20,60,.07);
  --line-2:rgba(24,20,60,.1);

  --purple:#7c3aed;
  --purple-d:#6d28d9;
  --violet:#8b5cf6;
  --pink:#ec4899;
  --lilac:#c4b5fd;
  --lilac-2:#ddd6fe;
  --tint:#f5f3ff;
  --tint-2:#ede9fe;

  --grad:linear-gradient(90deg,#7c3aed 0%,#a855f7 45%,#ec4899 100%);
  --grad-2:linear-gradient(135deg,#7c3aed,#a855f7 55%,#ec4899);
  --grad-text:linear-gradient(90deg,#8b5cf6,#ec4899);

  --r-sm:8px; --r:12px; --r-md:16px; --r-lg:20px; --r-xl:24px; --r-pill:999px;
  --sh-card:0 6px 26px rgba(76,44,160,.05);
  --sh-card-hi:0 14px 36px rgba(76,44,160,.12);
  --sh-btn:0 8px 20px rgba(147,51,234,.28);

  --font:'Pretendard','Noto Sans KR',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,monospace;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
*{-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  background:linear-gradient(180deg,#fff 0%,#fdfbff 320px,var(--bg) 760px);
  background-attachment:fixed;
  font-family:var(--font);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:var(--purple);text-decoration:none;transition:color .16s ease}
a:hover{color:var(--pink)}
input,button,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,blockquote,figure{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--violet);outline-offset:2px}

/* ---------- 3. Layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.section{padding-top:76px}
.section--sm{padding-top:36px}
.section--md{padding-top:44px}
.center{text-align:center}
.only-mobile{display:none!important}

/* ---------- 4. Typography ---------- */
.h1{font-size:clamp(27px,4.4vw,47px);line-height:1.32;font-weight:800;letter-spacing:-1.1px;color:var(--ink);text-wrap:pretty}
.h2{font-size:clamp(21px,2.6vw,29px);line-height:1.35;font-weight:800;letter-spacing:-.6px;color:var(--ink)}
.h3{font-size:clamp(19px,2.1vw,23px);line-height:1.42;font-weight:800;letter-spacing:-.5px;color:var(--ink);text-wrap:pretty}
.h4{font-size:16px;font-weight:800;color:var(--ink)}
.lead{margin-top:26px;font-size:16.5px;font-weight:500;color:var(--muted)}
.body{font-size:14px;line-height:1.85;color:var(--muted);text-wrap:pretty}
.small{font-size:12.5px;line-height:1.7;color:var(--muted-2)}
.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad-text--hero{background:linear-gradient(90deg,#a855f7 0%,#ec4899 55%,#f472b6 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.rule{width:44px;height:4px;margin:14px auto 0;border-radius:var(--r-pill);background:var(--violet)}

/* ---------- 5. Buttons / chips ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;white-space:nowrap;flex:none;
  border-radius:var(--r);font-weight:700;transition:filter .16s ease,border-color .16s ease,color .16s ease,background .16s ease,transform .12s ease}
.btn--primary{height:54px;padding:0 22px;background:var(--grad);color:#fff;font-size:16.5px;font-weight:800;box-shadow:var(--sh-btn)}
.btn--primary:hover{filter:brightness(1.06)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{height:54px;padding:0 22px;background:var(--card);border:1px solid var(--line-2);color:var(--body);font-size:15px}
.btn--ghost:hover{border-color:var(--lilac);color:var(--purple-d)}
.btn--sm{height:42px;padding:0 16px;background:var(--card);border:1px solid var(--line);color:var(--body);font-size:13.5px;font-weight:600;border-radius:10px}
.btn--sm:hover{border-color:var(--lilac);color:var(--purple-d)}
.btn--block{width:100%}
.btn--sub{height:42px;border-radius:10px;background:var(--grad);color:#fff;font-size:14px;font-weight:800;box-shadow:0 6px 16px rgba(147,51,234,.22)}
.btn--sub:hover{filter:brightness(1.06)}

.chip{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;flex:none;
  padding:11px 21px;border-radius:var(--r-pill);border:1px solid var(--line-2);background:var(--card);
  font-size:14.5px;font-weight:700;color:var(--body);transition:all .16s ease}
.chip:hover{border-color:var(--lilac);color:var(--purple-d)}
.chip.is-on{background:linear-gradient(90deg,#7c3aed,#8b5cf6);border-color:transparent;color:#fff;box-shadow:0 6px 16px rgba(124,58,237,.27)}
.chip--opt{padding:11px 18px;font-size:13.5px;font-weight:600}
.chip--opt.is-on{background:var(--tint);border-color:var(--lilac);color:var(--purple-d);box-shadow:none}
.chip--sm{padding:8px 14px;font-size:12.5px;font-weight:600}
.chip--lg{padding:13px 24px;font-size:13.5px}
.chip--tag{padding:8px 16px;border:0;background:var(--tint-2);color:var(--purple-d);font-size:12.5px;font-weight:700}
.chip--tag:hover{background:var(--lilac-2);color:#5b21b6}

.icon-btn{width:38px;height:38px;border-radius:var(--r-pill);border:1px solid rgba(24,20,60,.09);background:var(--card);
  display:grid;place-items:center;color:var(--body);transition:all .16s ease;flex:none}
.icon-btn:hover{border-color:var(--lilac);color:var(--purple)}
.icon-btn--sq{border-radius:11px;color:var(--ink-2)}
.icon-btn--xs{width:28px;height:28px;border-radius:var(--r-sm);color:var(--purple)}

.pill-link{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;flex:none;height:38px;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid rgba(124,58,237,.18);background:var(--card);
  font-size:14px;font-weight:700;color:var(--purple-d)}
.pill-link:hover{background:var(--tint);border-color:#a78bfa;color:var(--purple-d)}

.badge{display:inline-flex;align-items:center;padding:5px 11px;border-radius:var(--r-pill);
  background:var(--tint);color:var(--purple-d);font-size:11px;font-weight:700;white-space:nowrap}
.badge--grad{background:var(--grad);color:#fff;font-weight:800}
.badge--num{width:20px;height:20px;padding:0 6px;min-width:20px;justify-content:center;
  background:var(--tint-2);color:var(--purple);font-size:11px;font-weight:800}

/* ---------- 6. Header ---------- */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(24,20,60,.06)}
.site-header__bar{display:flex;align-items:center;gap:44px;padding-top:14px;padding-bottom:14px}
.logo{display:flex;align-items:flex-start;gap:8px;flex:none}
.logo svg{margin-top:3px}
.logo__name{display:block;font-size:24px;font-weight:800;letter-spacing:-.5px;line-height:1;color:var(--ink)}
.logo__tag{display:block;margin-top:5px;font-size:11.5px;font-weight:500;color:var(--faint)}
.nav{display:flex;align-items:center;gap:34px;font-size:15px;font-weight:600}
.nav a{color:var(--ink-2);white-space:nowrap;padding-bottom:3px;border-bottom:2px solid transparent}
.nav a:hover{color:var(--purple)}
.nav a.is-active{color:var(--purple);border-bottom-color:var(--purple)}
.site-header__right{margin-left:auto;display:flex;align-items:center;gap:10px;flex:none}
.mnav{display:none;border-top:1px solid rgba(24,20,60,.06);background:var(--card)}
.mnav.is-open{display:block}
.mnav__inner{display:flex;flex-direction:column;padding-top:10px;padding-bottom:16px}
.mnav a{padding:13px 2px;font-size:15px;font-weight:600;color:var(--ink-2);border-bottom:1px solid rgba(24,20,60,.05)}
.mnav__cta{margin-top:14px;height:46px;border-radius:11px;background:var(--grad);color:#fff;font-size:15px;font-weight:800;
  display:flex;align-items:center;justify-content:center}
.mnav__cta:hover{color:#fff;filter:brightness(1.06)}

/* ---------- 7. Hero + trang trí ---------- */
.hero{position:relative;overflow:hidden;padding-top:64px}
.hero__deco{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.hero__deco>*{position:absolute}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-10px) rotate(8deg)}}
.float{animation:floaty 9s ease-in-out infinite}
.float--slow{animation-duration:11s}
.float--fast{animation-duration:7s}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.fade-up{animation:fadeUp .3s ease both}

/* ---------- 8. Card / grid tiện dụng ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-card)}
.panel{border-radius:var(--r-xl);border:1px solid var(--line);padding:44px 40px 46px}
.panel--violet{background:linear-gradient(180deg,#faf8ff,#f7f4fe);border-color:rgba(124,58,237,.08)}
.panel--plain{background:linear-gradient(180deg,#fdfcff,#faf9fe)}
.grid{display:grid}
.g2{grid-template-columns:repeat(2,1fr);gap:14px}
.g3{grid-template-columns:repeat(3,1fr);gap:20px}
.g4{grid-template-columns:repeat(4,1fr);gap:16px}
.g5{grid-template-columns:repeat(5,1fr);gap:18px}
.row{display:flex;flex-wrap:wrap;gap:10px}
.row--btn{flex-wrap:nowrap;gap:14px}

/* ---------- 9. Generator ---------- */
.gen{display:grid;grid-template-columns:1.32fr 1fr;background:var(--card);border:1px solid var(--line);
  border-radius:22px;box-shadow:0 10px 40px rgba(76,44,160,.07);overflow:hidden}
.gen__left{padding:34px 36px 38px}
.gen__right{padding:34px 32px 38px;background:linear-gradient(180deg,#faf8ff,#f6f3fd);border-left:1px solid var(--line);display:flex;flex-direction:column}
.step{display:flex;align-items:center;gap:9px}
.step+.row,.step+.field{margin-top:16px}
.step__n{width:20px;height:20px;flex:none;border-radius:var(--r-pill);background:var(--tint-2);color:var(--purple);
  font-size:11px;font-weight:800;display:grid;place-items:center}
.step__label{font-size:16.5px;font-weight:700;color:var(--ink)}
.step-block{margin-top:28px}
.field{display:flex;align-items:stretch;border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden;background:var(--card)}
.field__icon{width:54px;flex:none;display:grid;place-items:center;border-right:1px solid rgba(24,20,60,.08);color:#a09cb4}
.field input{flex:1;min-width:0;border:0;outline:none;padding:16px 18px;font-size:15px;color:var(--ink);background:transparent}
.results{margin-top:16px;flex:1;min-height:288px;max-height:288px;overflow-y:auto;background:var(--card);
  border:1px solid var(--line);border-radius:14px;padding:10px}
.results__empty{height:266px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  font-size:15px;font-weight:500;color:var(--muted-2)}
.result{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px}
.result:hover{background:#faf8ff}
.result__text{flex:1;min-width:0;font-size:15px;line-height:1.5;color:var(--ink);overflow-wrap:anywhere}
.actions{margin-top:16px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.fav-on{color:var(--pink)}
.fav-off{color:var(--faint-2)}

/* ---------- 10. Strip danh mục ---------- */
.strip{display:grid;grid-template-columns:repeat(5,1fr);background:var(--card);border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--sh-card);overflow:hidden}
.strip__item{display:flex;align-items:center;gap:14px;padding:22px 24px;border-right:1px solid rgba(24,20,60,.06)}
.strip__item:last-child{border-right:0}
.strip__item:hover{background:#faf8ff}
.strip__t{display:block;font-size:15.5px;font-weight:700;color:var(--ink)}
.strip__d{display:block;margin-top:3px;font-size:11.5px;color:var(--faint)}

/* ---------- 11. 사용 방법 ---------- */
.steps{margin-top:44px;display:grid;grid-template-columns:1fr 60px 1fr 60px 1fr 60px 1fr;align-items:start;gap:0 12px}
.step-card{display:flex;flex-direction:column;align-items:center;position:relative}
.step-card__circle{position:relative;width:112px;height:112px;border-radius:var(--r-pill);display:grid;place-items:center}
.step-card__n{position:absolute;top:-6px;left:-12px;width:28px;height:28px;border-radius:var(--r-pill);
  color:#fff;font-size:13px;font-weight:800;display:grid;place-items:center}
.step-card__t{margin-top:22px;font-size:17px;font-weight:800;color:var(--ink)}
.step-card__d{margin-top:12px;max-width:210px;font-size:12.5px;line-height:1.6;color:var(--muted-2);text-align:center}
.arrow{display:flex;align-items:center;justify-content:center;padding-top:56px;color:#cfcada}

/* ---------- 12. 인기 닉네임 ---------- */
.pop{display:flex;align-items:center;gap:10px;padding:13px 16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);box-shadow:0 2px 10px rgba(76,44,160,.04);transition:all .16s ease}
.pop:hover{border-color:var(--lilac-2);box-shadow:0 6px 18px rgba(76,44,160,.09)}
.pop__text{flex:1;min-width:0;text-align:left;font-size:14.5px;line-height:1.5;color:var(--ink-2);
  overflow-wrap:anywhere}
.pop__copy{padding:5px 11px;border-radius:var(--r-pill);background:var(--tint);color:var(--purple);
  font-size:11.5px;font-weight:700;white-space:nowrap;flex:none}
.pop__copy:hover{background:var(--tint-2)}
.pop__fav{width:24px;height:24px;flex:none;display:grid;place-items:center}

/* ---------- 13. Why / SEO / Tags ---------- */
.why-card{padding:26px 20px 28px;background:var(--card);border:1px solid rgba(24,20,60,.06);border-radius:var(--r-md);
  text-align:center;box-shadow:0 3px 14px rgba(76,44,160,.04);transition:transform .18s ease,box-shadow .18s ease}
.why-card:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(76,44,160,.1)}
.why-card__icon{width:44px;height:44px;margin:0 auto;border-radius:var(--r-pill);display:grid;place-items:center}
.why-card__t{margin-top:16px;font-size:15.5px;font-weight:800;color:var(--ink)}
.why-card__d{margin-top:10px;font-size:12.5px;line-height:1.65;color:var(--muted-2)}
.seo-card{padding:26px 24px 30px;background:var(--card);border:1px solid rgba(24,20,60,.06);
  border-left:3px solid var(--violet);border-radius:var(--r);text-align:center}
.seo-card--sky{border-left-color:#38bdf8}
.seo-card--cyan{border-left-color:#22d3ee}
.seo-card__t{font-size:16px;font-weight:800;color:var(--ink)}
.seo-card__d{margin-top:14px;font-size:12.5px;line-height:1.85;color:var(--muted-2)}
.tags-box{padding:28px 32px 32px;background:linear-gradient(180deg,#f8f5ff,#f5f1fe);
  border:1px solid rgba(124,58,237,.08);border-radius:var(--r-lg)}

/* ---------- 14. Footer ---------- */
.site-footer{padding-top:36px;padding-bottom:40px}
.site-footer__inner{padding:42px 40px 32px;background:var(--card);border:1px solid rgba(24,20,60,.06);border-radius:var(--r-lg)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.5fr;gap:36px}
.fcol__t{font-size:14.5px;font-weight:800;color:var(--ink)}
.fcol__list{margin-top:18px;display:flex;flex-direction:column;gap:13px;font-size:13px}
.fcol__list a{color:#7b7690}
.fcol__list a:hover{color:var(--purple)}
.social{margin-top:24px;display:flex;gap:10px}
.social a{width:32px;height:32px;border-radius:var(--r-pill);border:1px solid rgba(24,20,60,.08);
  display:grid;place-items:center;color:var(--faint-2)}
.social a:hover{color:var(--purple);border-color:var(--lilac)}
.newsletter input{margin-top:18px;width:100%;padding:13px 16px;border:1px solid var(--line-2);
  border-radius:10px;outline:none;font-size:13px;color:var(--ink)}
.newsletter .btn{margin-top:12px}
.copyright{margin-top:22px;text-align:center;font-size:12.5px;color:var(--faint)}

/* ---------- 15. TOP button + toast ---------- */
.to-top{position:fixed;right:20px;bottom:20px;z-index:50;width:48px;height:48px;border-radius:var(--r-pill);
  background:var(--grad-2);color:#fff;font-size:9.5px;font-weight:800;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;
  box-shadow:0 8px 22px rgba(124,58,237,.36);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease}
.to-top.is-show{opacity:1;visibility:visible}
.to-top:hover{filter:brightness(1.08)}
.toast{position:fixed;left:50%;bottom:34px;z-index:60;transform:translateX(-50%) translateY(14px);opacity:0;
  transition:all .28s ease;pointer-events:none;padding:12px 22px;border-radius:var(--r-pill);
  background:var(--ink);color:#fff;font-size:13.5px;font-weight:600;max-width:calc(100vw - 30px);text-align:center;
  box-shadow:0 10px 30px rgba(23,20,46,.3)}
.toast.is-show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 16. Blog – list ---------- */
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12.5px;font-weight:600;color:var(--faint)}
.crumb a{color:var(--faint)}
.crumb a:hover{color:var(--purple)}
.crumb__now{color:var(--purple-d)}
.search{margin-top:26px;display:flex;align-items:center;gap:12px;max-width:520px;
  border:1px solid var(--line-2);border-radius:var(--r);background:var(--card);padding:0 16px}
.search svg{flex:none}
.search input{flex:1;min-width:0;border:0;outline:none;padding:15px 0;font-size:14.5px;color:var(--ink);background:transparent}
.blog-layout{display:grid;grid-template-columns:1fr 320px;gap:34px;align-items:start}
.thumb{background-color:#f3eeff;background-image:repeating-linear-gradient(135deg,rgba(24,20,60,.09) 0 9px,rgba(24,20,60,0) 9px 18px);
  display:flex;align-items:flex-end;padding:10px}
.thumb__label{font-family:var(--mono);font-size:9.5px;color:#5b5570;background:rgba(255,255,255,.8);padding:4px 7px;border-radius:5px}
.thumb--violet{background-color:#f3eeff}
.thumb--blue{background-color:#eef4ff}
.thumb--pink{background-color:#fdf0f7}
.thumb--amber{background-color:#fff5ea}
.thumb--mint{background-color:#eefaf4}
.feature{display:grid;grid-template-columns:1.05fr 1fr;background:var(--card);border:1px solid var(--line);
  border-radius:18px;overflow:hidden;box-shadow:var(--sh-card);transition:box-shadow .18s ease}
.feature:hover{box-shadow:var(--sh-card-hi)}
.feature__cover{min-height:248px;background-image:repeating-linear-gradient(135deg,rgba(124,58,237,.14) 0 10px,rgba(124,58,237,0) 10px 20px);
  background-color:#f3eeff;display:flex;align-items:flex-end;padding:16px}
.feature__cover .thumb__label{font-size:10.5px;color:var(--purple);background:rgba(255,255,255,.82);padding:5px 9px;border-radius:6px}
.feature__body{padding:30px 30px 32px;display:flex;flex-direction:column}
.list-head{margin-top:22px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.list-head__count{font-size:15px;font-weight:800;color:var(--ink)}
.post-list{margin-top:14px;display:flex;flex-direction:column;gap:14px}
.post{display:grid;grid-template-columns:196px 1fr;gap:20px;padding:16px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);transition:all .18s ease}
.post:hover{border-color:var(--lilac-2);box-shadow:0 10px 28px rgba(76,44,160,.09);transform:translateY(-2px)}
.post__thumb{height:132px;border-radius:var(--r)}
.post__body{display:flex;flex-direction:column;min-width:0}
.post__top{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.post__date{font-size:11.5px;color:var(--faint-2)}
.post__title{margin-top:11px;font-size:17.5px;line-height:1.45;font-weight:800;letter-spacing:-.4px;color:var(--ink);text-wrap:pretty}
.post__excerpt{margin-top:9px;font-size:13px;line-height:1.75;color:var(--muted-2);text-wrap:pretty}
.meta{margin-top:14px;display:flex;align-items:center;gap:16px;font-size:11.5px;color:#a5a0b4;flex-wrap:wrap}
.meta__i{display:flex;align-items:center;gap:5px}
.meta__more{margin-left:auto;display:flex;align-items:center;gap:5px;font-weight:700;color:var(--purple)}
.author{display:flex;align-items:center;gap:9px}
.author__ava{width:34px;height:34px;flex:none;border-radius:var(--r-pill);background:linear-gradient(135deg,#c4b5fd,#f9a8d4)}
.author__ava--sm{width:24px;height:24px}
.author__n{display:block;font-size:13px;font-weight:700;color:var(--ink-2)}
.author__r{display:block;margin-top:2px;font-size:11.5px;color:#a5a0b4}
.empty{margin-top:16px;padding:52px 20px;text-align:center;background:var(--card);
  border:1px dashed rgba(124,58,237,.22);border-radius:var(--r-md)}
.empty__t{font-size:15px;font-weight:700;color:var(--ink)}
.empty__d{margin-top:8px;font-size:13px;color:var(--muted-2)}
.side{display:flex;flex-direction:column;gap:16px;position:sticky;top:104px}
.side-card{padding:22px 22px 24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md)}
.side-card--tint{background:linear-gradient(180deg,#f8f5ff,#f5f1fe);border-color:rgba(124,58,237,.1);padding:22px}
.side-card__t{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:800;color:var(--ink)}
.rank-list{margin-top:16px;display:flex;flex-direction:column;gap:14px}
.rank{display:flex;gap:12px}
.rank:hover{opacity:.72}
.rank__n{flex:none;width:22px;font-size:15px;font-weight:800;color:var(--lilac)}
.rank:nth-child(1) .rank__n{color:var(--pink)}
.rank:nth-child(2) .rank__n{color:#a855f7}
.rank__t{font-size:13.5px;line-height:1.55;font-weight:600;color:var(--ink-2)}
.cta-card{padding:24px 22px 26px;background:var(--grad-2);border-radius:var(--r-md);box-shadow:0 10px 26px rgba(124,58,237,.24)}
.cta-card:hover{filter:brightness(1.05)}
.cta-card__t{font-size:16px;font-weight:800;color:#fff}
.cta-card__d{margin-top:9px;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.86)}
.cta-card__b{margin-top:16px;display:inline-flex;align-items:center;gap:7px;padding:9px 16px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.18);color:#fff;font-size:12.5px;font-weight:800}
.pager{margin-top:26px;display:flex;justify-content:center}

/* ---------- 17. Blog – detail ---------- */
.progress{position:fixed;top:0;left:0;z-index:60;height:3px;width:0;background:linear-gradient(90deg,#7c3aed,#ec4899);transition:width .1s linear}
.art-head{margin-top:20px;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.art-title{margin-top:16px;max-width:860px;font-size:clamp(25px,3.4vw,36px);line-height:1.36;font-weight:800;letter-spacing:-1px;color:var(--ink);text-wrap:pretty}
.art-meta{margin-top:22px;display:flex;align-items:center;gap:16px;font-size:12.5px;color:var(--faint);flex-wrap:wrap}
.cover{margin-top:26px;aspect-ratio:16/7;border-radius:18px;background-color:#f3eeff;
  background-image:repeating-linear-gradient(135deg,rgba(124,58,237,.14) 0 12px,rgba(124,58,237,0) 12px 24px);
  display:flex;align-items:flex-end;padding:16px}
.cover .thumb__label{font-size:10.5px;color:var(--purple);background:rgba(255,255,255,.84);padding:6px 10px;border-radius:6px}
.art-layout{margin-top:34px;display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}
.art h2{margin-top:44px;font-size:22px;line-height:1.45;font-weight:800;letter-spacing:-.5px;color:var(--ink);scroll-margin-top:110px}
.art h3{margin-top:30px;font-size:17px;font-weight:800;color:var(--ink)}
.art p{margin-top:16px;font-size:15.5px;line-height:1.9;color:var(--body);text-wrap:pretty}
.art p.intro{font-size:17px;color:var(--ink-2)}
.art ul{margin-top:16px;padding-left:20px;display:flex;flex-direction:column;gap:10px;list-style:disc}
.art li{font-size:15px;line-height:1.85;color:var(--body)}
.art strong{color:var(--ink);font-weight:800}
.art blockquote{margin-top:22px;padding:18px 22px;border-left:3px solid var(--violet);background:var(--card);
  border-radius:0 var(--r) var(--r) 0;font-size:15px;line-height:1.85;color:var(--body)}
.try{margin-top:20px;padding:22px 24px;border-radius:14px;background:linear-gradient(180deg,#f8f5ff,#f5f1fe);border:1px solid rgba(124,58,237,.12)}
.try__t{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--purple-d)}
.try__row{margin-top:12px;display:flex;flex-wrap:wrap;gap:10px}
.try__hint{margin-top:12px;font-size:11.5px;color:var(--muted-2)}
.sample{padding:9px 15px;border:1px solid rgba(124,58,237,.16);border-radius:var(--r-pill);background:var(--card);
  font-size:13.5px;font-weight:700;color:var(--ink-2);white-space:nowrap}
.sample:hover{border-color:#a78bfa;color:var(--purple-d)}
.share{margin-top:34px;display:flex;align-items:center;gap:12px;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap}
.share__t{font-size:13px;font-weight:700;color:var(--muted)}
.share__row{display:flex;gap:9px;flex-wrap:wrap}
.share__row .chip{height:38px;padding:0 16px}
.prevnext{margin-top:22px}
.pn{padding:18px 20px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.pn:hover{border-color:var(--lilac-2)}
.pn--next{text-align:right}
.pn__l{font-size:11.5px;font-weight:700;color:#a5a0b4}
.pn__t{margin-top:8px;font-size:14px;line-height:1.55;font-weight:700;color:var(--ink)}
.toc{position:sticky;top:104px;display:flex;flex-direction:column;gap:16px}
.toc__box{padding:20px 20px 22px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md)}
.toc__t{font-size:13px;font-weight:800;color:var(--ink)}
.toc__list{margin-top:14px;display:flex;flex-direction:column;gap:4px}
.toc__list a{padding:8px 10px;border-radius:var(--r-sm);font-size:12.5px;line-height:1.5;font-weight:600;
  color:#7b7690;border-left:2px solid transparent}
.toc__list a.is-active{color:var(--purple-d);background:var(--tint);border-left-color:var(--violet)}
.rel{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;transition:all .18s ease}
.rel:hover{border-color:var(--lilac-2);box-shadow:0 10px 28px rgba(76,44,160,.09);transform:translateY(-2px)}
.rel__thumb{height:146px}
.rel__body{padding:18px 18px 22px}
.rel__t{margin-top:12px;font-size:15.5px;line-height:1.5;font-weight:800;color:var(--ink);text-wrap:pretty}
.rel__m{margin-top:12px;font-size:11.5px;color:#a5a0b4}

/* ==========================================================================
   18. Responsive – 1100 / 1080 / 900 / 640 / 400
   ========================================================================== */
@media (max-width:1160px){
  .blog-layout{grid-template-columns:1fr 288px;gap:26px}
}
@media (max-width:1100px){
  .g5{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:38px 12px}
  .arrow{display:none}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:34px}
  .blog-layout,.art-layout{grid-template-columns:1fr}
  .side,.toc{position:static;flex-direction:row;flex-wrap:wrap}
  .side>*,.toc>*{flex:1 1 280px}
}
@media (max-width:1080px){
  .nav{display:none}
  .only-mobile{display:flex!important}
}
@media (max-width:900px){
  :root{--pad:20px}
  .section{padding-top:56px}
  .gen{grid-template-columns:1fr}
  .gen__right{border-left:0;border-top:1px solid var(--line)}
  .g4,.g5{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:1fr}
  .strip{grid-template-columns:repeat(2,1fr)}
  .strip__item{border-right:0;border-bottom:1px solid rgba(24,20,60,.06)}
  .hide-mobile{display:none!important}
  .hero__deco{display:none}
  .feature{grid-template-columns:1fr}
  .feature__cover{min-height:200px}
  .post{grid-template-columns:132px 1fr}
  .panel{padding:34px 26px 36px}
  .site-footer__inner{padding:34px 26px 28px}
}
@media (max-width:640px){
  :root{--pad:15px}          /* mép trái/phải tối đa 15px trên mobile */
  .section{padding-top:44px}
  .section--sm,.section--md{padding-top:28px}
  .hero{padding-top:40px}
  .lead{margin-top:18px;font-size:15px}
  .g2,.g4,.g5,.strip,.steps,.footer-grid{grid-template-columns:1fr}
  .steps{gap:34px 0}
  .gen__left,.gen__right{padding:24px 15px 28px}
  .panel{padding:26px 15px 30px}
  .tags-box{padding:22px 15px 26px}
  .site-footer__inner{padding:26px 15px 24px}
  .feature__body{padding:22px 15px 26px}
  .post{grid-template-columns:1fr;gap:14px}
  .post__thumb{height:180px;width:100%}
  .actions{grid-template-columns:1fr 1fr}
  .actions>*:last-child{grid-column:1/-1}
  .row--btn{flex-wrap:wrap}
  .row--btn>*{width:100%}
  .btn--primary,.btn--ghost{height:50px}
  .toc{display:none}
  .art h2{margin-top:34px;font-size:19px}
  .art p{font-size:15px;line-height:1.85}
  .art p.intro{font-size:16px}
  .art li{font-size:14.5px}
  .art blockquote{padding:16px 18px}
  .try{padding:18px 15px}
  .cover{aspect-ratio:16/10}
  .side>*,.toc>*{flex:1 1 100%}
  .search{margin-top:20px}
  .results{min-height:250px;max-height:250px}
  .chip{padding:10px 16px;font-size:13.5px}
  .to-top{right:15px;bottom:15px;width:44px;height:44px}
  .toast{left:15px;right:15px;bottom:20px;transform:translateY(14px);max-width:none}
  .toast.is-show{transform:translateY(0)}
}
@media (max-width:400px){
  .logo__name{font-size:21px}
  .list-head{flex-direction:column;align-items:flex-start;gap:10px}
}

/* ---------- 19. Print + a11y ---------- */
@media print{
  .site-header,.mnav,.to-top,.toast,.progress,.side,.toc,.share{display:none!important}
  body{background:#fff}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}