/* ============================================================
 * CyberSecLabs: giao diện "terminal / security-ops" (2026-10-20)
 * Lớp override nạp SAU style.css của child, chỉ bật qua csl_design_on() trong functions.php.
 * Header / hero / footer tối, thân bài nền sáng. Nhấn cyan, nút mua (CTA) màu hổ phách.
 * Đổi màu cả site: sửa token ở :root ngay bên dưới, KHÔNG hardcode hex rời trong component.
 * ============================================================ */
:root{
  --bg-dark:#0b1220; --bg-dark-2:#0f1a2e; --bg-dark-3:#162338;
  --on-dark:#e2e8f0; --on-dark-mute:#94a3b8; --line-dark:rgba(148,163,184,.18);
  --cyan:#22d3ee;            /* nền/viền nhấn (chữ trên nền này phải là --on-cyan) */
  --cyan-deep:#0e7490;       /* cyan dùng làm CHỮ/LINK trên nền sáng (tương phản 5.4:1) */
  --cyan-soft:#ecfeff; --cyan-line:#a5f3fc;
  --on-cyan:#04202a;
  --cta:#f59e0b; --cta-hover:#fbbf24; --on-cta:#1c1200;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --radius:10px;

  /* Token child (style.css) */
  --navy:var(--bg-dark); --ink:#0f172a; --ink-soft:#334155; --muted:#64748b; --line:#e2e8f0; --panel:#f1f5f9;
  --gold:var(--cyan); --gold-deep:var(--cyan-deep); --link:var(--cyan-deep);
  --sale:#dc2626; --good:#059669;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;

  /* Token theme cha + plugin AffiliateCMS */
  --color-primary:var(--cyan-deep); --color-primary-hover:#155e75; --color-primary-dark:#155e75;
  --color-primary-light:var(--cyan-soft); --color-primary-rgb:14,116,144;
  --color-accent:var(--cyan-deep); --color-accent-hover:#155e75; --color-accent-light:var(--cyan-soft);
  --color-text:var(--ink); --color-text-secondary:var(--ink-soft); --color-text-muted:var(--muted);
  --color-border:var(--line); --color-info:var(--cyan-deep);
  --acms-primary-rgb:14,116,144; --acms-star-active:var(--cta); --acms-border:var(--line);
}

/* ---------- Base ---------- */
body{font-family:var(--font);background:#fff;color:var(--ink)}
::selection{background:var(--cyan);color:var(--on-cyan)}
:focus-visible{outline:2px solid var(--cyan-deep);outline-offset:2px}
h1,h2,h3,h4{letter-spacing:-.02em}
/* Nhãn / metadata dùng mono cho chất tech, tiêu đề giữ Inter để đọc bài dài không mỏi */
.cat,.date,.breadcrumb,.post-meta .m-item,.rd-toc h4,.rd-related h4,.takeaways h4,.pros h4,.cons h4,
.compare-table th,.compare-table .ct-award,.prod .award,.prod .rank,.up-next span,.col-h,.sechead p.kicker,
footer.site h5,.who .stat span,.who .teamlbl,.news .wk,.variant-badge{font-family:var(--mono)}
.date{font-size:11.5px;color:var(--muted);letter-spacing:.01em}
.cat{color:var(--cyan-deep);letter-spacing:.04em}
.accent-h{font-family:var(--mono);font-size:12.5px;font-weight:700;letter-spacing:.06em;border-top:2px solid var(--cyan);padding-top:11px;color:var(--ink)}
.accent-h::before{content:"> ";color:var(--cyan-deep)}
.byline a,.page-body a{color:var(--cyan-deep)}
.page-body a:hover,.cat-related-list a:hover,.store-expired>summary:hover{color:var(--ink)}
.err-code,.store-logo-mono,.acms-coupons-row-logo-mono{color:var(--cyan-deep);font-family:var(--mono)}

/* ---------- Header ---------- */
header.site{background:var(--bg-dark)}
.topbar{border-bottom:1px solid var(--line-dark)}
.logo.logo--csl{font-family:var(--mono);font-weight:800;font-size:25px;letter-spacing:-.04em;color:#fff;flex-direction:row;align-items:center;gap:.42em}
.logo--csl .logo-mark{width:1.25em;height:1.25em;flex:none;color:var(--cyan)}
.logo--csl .logo-row{display:flex;align-items:baseline;white-space:nowrap}
.logo--csl .logo-bx{color:#fff;padding:0;background:none}
.logo--csl .logo-bx::before{display:none}
.logo--csl .logo-lbl{color:var(--cyan)}
.logo--csl .logo-cur{color:var(--cyan);margin-left:.04em;animation:cslCursor 1.1s steps(1) infinite}
@keyframes cslCursor{0%,55%{opacity:1}56%,100%{opacity:0}}
@media (prefers-reduced-motion:reduce){.logo--csl .logo-cur{animation:none}}
footer.site .logo.logo--csl{font-size:24px;margin-bottom:14px}

.searchpill{background:rgba(255,255,255,.05);border:1px solid var(--line-dark);color:var(--on-dark-mute);border-radius:8px;font-family:var(--mono);font-size:12.5px;transition:border-color .15s,background .15s}
.searchpill:focus-within{border-color:var(--cyan);background:rgba(34,211,238,.07)}
.searchpill input{color:var(--on-dark)}
.searchpill input::placeholder{color:var(--on-dark-mute);opacity:1}
.searchpill button{color:var(--cyan)}
.m-searchbtn,.hamburger{background:transparent;border-color:var(--line-dark);color:var(--on-dark)}
.mobile-search{background:var(--bg-dark-2);border-top-color:var(--line-dark)}
.mobile-search .m-search{border-color:var(--line-dark);color:var(--on-dark-mute)}
.mobile-search .m-search input{color:var(--on-dark)}

.navbar{background:var(--bg-dark-2);border-bottom:1px solid var(--cyan)}
.navbar .ni > a,.navbar .right a{font-family:var(--mono);font-size:12.5px;font-weight:600;letter-spacing:.02em;color:var(--on-dark)}
.navbar .ni:hover > a{color:var(--cyan);box-shadow:inset 0 -2px 0 var(--cyan)}
.navbar .right a{font-weight:700}
.navbar .right a:hover{color:var(--cyan)}
.navbar .submenu{background:var(--bg-dark-2);border:1px solid var(--line-dark);border-top:2px solid var(--cyan);box-shadow:0 22px 40px rgba(2,6,23,.45);border-radius:0 0 8px 8px}
.navbar .submenu a{color:var(--on-dark);font-family:var(--font)}
.navbar .submenu a:hover{background:rgba(34,211,238,.12);color:#fff}
.navbar .right a.nav-coupons{background:var(--cyan);color:var(--on-cyan);border-radius:6px}
.navbar .right a.nav-coupons:hover{background:#fff;color:var(--on-cyan)}

.mobile-nav{background:var(--bg-dark-2);border-top:1px solid var(--line-dark)}
.mobile-nav a,.mobile-nav details summary{color:var(--on-dark);border-bottom-color:var(--line-dark)}
.mobile-nav a:active,.mobile-nav a:hover{background:rgba(34,211,238,.1)}
.mobile-nav .m-sep{color:var(--cyan);font-family:var(--mono)}
.mobile-nav details summary::after{color:var(--cyan)}
.mobile-nav details[open] summary{color:var(--cyan)}
.mobile-nav .sub{background:rgba(2,6,23,.35)}
.mobile-nav .sub a{color:var(--on-dark-mute)}
.mobile-nav a.nav-coupons .nav-coupons-icon{color:var(--cyan)}

/* Dải công bố affiliate: giữ rõ ràng (FTC) nhưng gọn */
.ftc-bar{background:var(--cyan-soft);border-bottom:1px solid var(--cyan-line)}
.ftc-bar p{color:#155e75}
.ftc-bar p::before{content:"Disclosure";font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--cyan);background:var(--bg-dark);padding:2px 7px;border-radius:3px;margin-right:9px;vertical-align:1px}
.ftc-bar a{color:var(--bg-dark)}

/* ---------- Buttons / CTA (hổ phách: nổi bật nhất trang) ---------- */
.tagline button,.news button,.results-search button{background:var(--cyan);color:var(--on-cyan)}
.tagline button:hover,.news button:hover,.results-search button:hover{background:#fff;color:var(--on-cyan)}
.news button:hover{background:var(--cta);color:var(--on-cta)}
.compare-table .ct-buy,.buy-btns a:not(.alt),.page-body .guide-cta a.gc-btn{background:var(--cta);color:var(--on-cta);border:0;font-weight:800;box-shadow:0 1px 0 rgba(0,0,0,.12)}
.compare-table .ct-buy:hover,.buy-btns a:not(.alt):hover,.page-body .guide-cta a.gc-btn:hover{background:var(--cta-hover);color:var(--on-cta);opacity:1}
.buy-btns a.alt{background:#fff;color:var(--cyan-deep);border:1px solid var(--cyan-deep)}
.buy-btns a.alt:hover{background:var(--cyan-soft)}
.btn-loadmore{color:var(--bg-dark);border-color:var(--bg-dark);border-radius:8px}
.btn-loadmore:hover{background:var(--bg-dark);color:var(--cyan)}

/* ---------- Home: hero + topics ---------- */
.csl-hero{position:relative;overflow:hidden;background:var(--bg-dark);color:var(--on-dark);
  background-image:radial-gradient(60% 90% at 85% 10%,rgba(34,211,238,.16),transparent 60%),
  linear-gradient(rgba(148,163,184,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.07) 1px,transparent 1px);
  background-size:auto,44px 44px,44px 44px}
.csl-hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:64px}
.csl-kicker{font-family:var(--mono);font-size:13px;color:var(--cyan);letter-spacing:.03em;margin-bottom:14px}
.csl-hero h1{font-size:clamp(34px,5vw,56px);font-weight:800;line-height:1.05;letter-spacing:-.035em;color:#fff;margin-bottom:18px}
.csl-hero h1 span{color:var(--cyan)}
.csl-lede{font-size:18px;line-height:1.6;color:var(--on-dark-mute);max-width:56ch;margin-bottom:28px}
.csl-cta{display:flex;flex-wrap:wrap;gap:12px}
.csl-btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:13.5px;font-weight:700;padding:13px 20px;border-radius:8px;border:1px solid var(--line-dark);color:var(--on-dark);background:rgba(255,255,255,.04);transition:border-color .15s,background .15s,transform .15s}
.csl-btn:hover{border-color:var(--cyan);background:rgba(34,211,238,.1);color:#fff;transform:translateY(-1px)}
.csl-btn--primary{background:var(--cta);border-color:var(--cta);color:var(--on-cta)}
.csl-btn--primary:hover{background:var(--cta-hover);border-color:var(--cta-hover);color:var(--on-cta)}
.csl-term{background:#070d1a;border:1px solid var(--line-dark);border-radius:12px;box-shadow:0 30px 60px rgba(2,6,23,.55),0 0 0 1px rgba(34,211,238,.06);overflow:hidden}
.csl-term-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:var(--bg-dark-3);border-bottom:1px solid var(--line-dark)}
.csl-term-bar i{width:11px;height:11px;border-radius:50%;background:#475569}
.csl-term-bar i:first-child{background:#f87171}.csl-term-bar i:nth-child(2){background:#fbbf24}.csl-term-bar i:nth-child(3){background:#34d399}
.csl-term-bar span{margin-left:8px;font-family:var(--mono);font-size:11.5px;color:var(--on-dark-mute)}
.csl-term pre{margin:0;padding:20px 20px 24px;font-family:var(--mono);font-size:13px;line-height:1.85;color:var(--on-dark);white-space:pre-wrap;overflow-wrap:anywhere}
.csl-term .p{color:var(--cyan)}.csl-term .d{color:var(--on-dark-mute)}.csl-term .ok{color:#34d399;font-weight:700}
.csl-term .cur{color:var(--cyan);animation:cslCursor 1.1s steps(1) infinite}
@media (prefers-reduced-motion:reduce){.csl-term .cur{animation:none}}
.csl-topics{background:var(--bg-dark);border-top:1px solid var(--line-dark);padding:0 0 34px}
.csl-topics .wrap{padding-top:0}
.csl-topics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.csl-topic{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--line-dark);border-radius:var(--radius);background:rgba(255,255,255,.03);color:var(--on-dark);transition:border-color .15s,background .15s,transform .15s}
.csl-topic:hover{border-color:var(--cyan);background:rgba(34,211,238,.08);transform:translateY(-2px)}
.csl-topic-ic{display:grid;place-items:center;width:42px;height:42px;border-radius:9px;background:rgba(34,211,238,.12);color:var(--cyan);font-size:20px;flex:none}
.csl-topic-t b{display:block;font-size:15px;font-weight:700;color:#fff;line-height:1.25}
.csl-topic-t small{font-family:var(--mono);font-size:11.5px;color:var(--on-dark-mute)}
.hero{padding-top:40px}
.feat .col-h::after{content:"Editor's Choice";font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:var(--cyan);color:var(--on-cyan);padding:3px 8px;border-radius:4px;margin-left:10px;vertical-align:1px}
.feat img{border-radius:12px}
.latest .it a.h:hover,.lead h3 a:hover,.clist .ci-title:hover,.compact-list .crow:hover h4{color:var(--cyan-deep)}

/* Thẻ bài viết */
.acard .imgwrap,.lead img,.compact-list .crow img{border-radius:var(--radius)}
.acard .imgwrap{border:1px solid var(--line);transition:border-color .15s,box-shadow .15s}
.acard:hover .imgwrap{border-color:var(--cyan);box-shadow:0 8px 24px rgba(14,116,144,.14)}
.acard img{transition:transform .35s}
.acard:hover img{transform:scale(1.03)}
.acard h2 a:hover,.acard h3 a:hover{color:var(--cyan-deep)}
.catblock .ch{border-top:2px solid var(--cyan)}
.catblock .ch .cat-title{font-weight:800;letter-spacing:-.03em;font-size:38px}
.catblock .subs a{color:var(--cyan-deep)}
.clist .vall{color:var(--cyan-deep)}

/* Newsletter + Who (khối tối) */
.news{background:var(--bg-dark);background-image:radial-gradient(60% 140% at 100% 0%,rgba(34,211,238,.16),transparent 60%);border:1px solid var(--line-dark);border-radius:14px}
.news .wk{color:var(--cyan)}
.news input{border-radius:8px 0 0 8px}.news button{border-radius:0 8px 8px 0}
.who{background:var(--bg-dark);background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);background-size:44px 44px;border-top:1px solid var(--cyan)}
.who .stat b{font-family:var(--mono);color:var(--cyan)}
.who .stat span,.who .teamlbl{color:var(--on-dark-mute)}
.who .pillar{border-color:var(--line-dark);background:rgba(255,255,255,.03);border-radius:12px;text-align:left}
.who .pillar .pillar-title{font-family:var(--mono);font-size:13px;color:var(--cyan);letter-spacing:.03em}
.who .pillar .pillar-title::before{content:"$ ";color:var(--on-dark-mute)}
.team .m img{border-color:var(--cyan)}

/* ---------- Footer ---------- */
footer.site{background:#070c17;border-top:1px solid var(--cyan);color:var(--on-dark-mute)}
footer.site .ftop{border-bottom-color:var(--line-dark)}
footer.site p.desc{color:var(--on-dark-mute)}
footer.site h5{color:var(--cyan);font-size:11.5px}
footer.site h5::before{content:"// ";color:var(--on-dark-mute)}
footer.site li a{color:var(--on-dark-mute)}
footer.site li a:hover{color:var(--cyan)}
footer.site .fine{color:#64748b;font-family:var(--mono)}
footer.site .fine a{color:var(--on-dark-mute)}
.social a{background:rgba(255,255,255,.06);border-radius:8px}
.social a:hover{background:var(--cyan);color:var(--on-cyan)}

/* ---------- Danh mục / trang tĩnh ---------- */
.breadcrumb{font-size:12px;font-weight:500}
.cat-hero h1,article.page h1,.coupons-head h1,.author-info h1,.err-404 h1{font-weight:800;letter-spacing:-.035em}
.cat-related-title{border-top-color:var(--cyan)}
.cat-related-list a{border-radius:8px}
.cat-related-list a:hover{border-color:var(--cyan-deep);color:var(--cyan-deep)}
.cat-subnav a{color:var(--cyan-deep)}
.author-avatar,.author-box img,.team-light .m img{border-color:var(--cyan)}
.results-search{border-radius:10px}

/* ---------- Bài review / roundup ---------- */
.post-hero h1{font-weight:800;letter-spacing:-.035em}
.post-feat{border-radius:14px}
.post-cap{border-radius:6px 0 14px 0;font-family:var(--mono)}
.post-meta .author a:hover{color:var(--cyan-deep)}
.rd-toc,.rd-related{border-radius:12px;border:1px solid var(--line);border-left:3px solid var(--cyan);background:#fff}
.rd-toc h4,.rd-related h4{color:var(--cyan-deep)}
.rd-toc h4::before,.rd-related h4::before{content:"// ";color:var(--muted)}
.rd-toc a:hover{color:var(--cyan-deep)}
.rel-item:hover span{color:var(--cyan-deep)}
.compare-table{border-radius:10px;overflow:hidden}
.compare-table th{background:var(--bg-dark);color:var(--on-dark);border-bottom:2px solid var(--cyan);font-weight:700}
.compare-table .ct-award{color:var(--cyan-deep)}
.compare-table tr:hover td{background:var(--cyan-soft)}
.prod{border-radius:14px;transition:border-color .15s,box-shadow .15s}
.prod:hover{border-color:var(--cyan);box-shadow:0 10px 30px rgba(14,116,144,.12)}
.prod .rank{background:var(--bg-dark);color:var(--cyan);border:1px solid var(--cyan);font-family:var(--mono)}
.prod .award{background:var(--cyan);color:var(--on-cyan);border-radius:4px}
.takeaways{background:var(--cyan-soft);border-left-color:var(--cyan-deep);border-radius:0 10px 10px 0}
.takeaways h4{color:var(--cyan-deep)}
.guide-cta{background:var(--bg-dark);background-image:radial-gradient(60% 160% at 100% 0%,rgba(34,211,238,.18),transparent 60%);border:1px solid var(--line-dark);border-radius:12px}
.faq summary::after{color:var(--cyan-deep)}
.author-box{border-radius:12px}
.infinite-note{background:var(--cyan-soft);border-left-color:var(--cyan-deep)}
.related-guides{border-top-color:var(--cyan)}
.related-guides-list li::before{background:var(--cyan)}
.related-guides-list a:hover{color:var(--cyan-deep)}
.coupons-feed-band,.store-band{background:var(--panel)}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .csl-hero-in{grid-template-columns:1fr;gap:32px;padding-top:44px;padding-bottom:44px}
  .hero{padding-top:28px}
}
@media(max-width:640px){
  .logo.logo--csl{font-size:19px}
  .csl-hero-in{padding-top:34px;padding-bottom:34px}
  .csl-lede{font-size:16px}
  .csl-btn{flex:1 1 auto;justify-content:center}
  .csl-term pre{font-size:11.5px;padding:16px}
  .csl-topics-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .csl-topic{padding:12px;gap:10px}
  .csl-topic-ic{width:36px;height:36px;font-size:17px}
  .csl-topic-t b{font-size:13.5px}
  .catblock .ch .cat-title{font-size:28px}
  .who .pillar{text-align:left}
}

/* Trang ngắn: phần dưới footer cũng tối thay vì để lộ nền trắng của body */
html{background:#070c17}