/* ============================================================
   RedNoteViDownload — shared design system (v3.0.0)
   Used by every static page: legal, blog, error, status.
   Mirrored on the homepage's inline palette so the whole
   site looks like ONE product.
   ============================================================ */
:root{
  --bg:#07080f;
  --bg-soft:#0b0d18;
  --panel:#101222;
  --text:#f2f4ff;
  --muted:#a3a8c6;
  --muted-2:#7d82a1;
  --stroke:rgba(255,255,255,.09);
  --brand:#ff5c74;
  --grad:linear-gradient(135deg,#ff2f4e 0%,#ff4d6d 45%,#ff7a3d 100%);
  --glass:linear-gradient(165deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  --r-lg:22px; --r-md:14px;
  --shadow:0 30px 70px -25px rgba(0,0,0,.65);
  --header-h:70px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);color:var(--text);
  -webkit-font-smoothing:antialiased;line-height:1.65;overflow-x:hidden;
}
::selection{background:rgba(255,47,78,.4);color:#fff}
a{color:var(--brand);text-decoration:none}
a:hover{color:#ff8296}
img{max-width:100%;display:block}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

.container{width:min(1060px,92%);margin-inline:auto}
.glass{
  background:var(--glass);border:1px solid var(--stroke);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-radius:var(--r-lg);
}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Skip link (a11y) ---------- */
.skip-link{
  position:fixed;top:-60px;left:14px;z-index:999;
  background:var(--brand);color:#fff;padding:.6rem 1rem;border-radius:10px;
  font-weight:600;transition:top .2s;
}
.skip-link:focus{top:12px;color:#fff}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;height:var(--header-h);
  background:rgba(7,8,15,.72);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--stroke);
}
.header-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:inline-flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.12rem;color:var(--text);letter-spacing:-.02em}
.brand:hover{color:var(--text)}
.brand em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo-mark{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:var(--grad);box-shadow:0 8px 20px -6px rgba(255,47,78,.55);
}
.site-nav{display:flex;gap:.35rem;align-items:center;flex-wrap:wrap}
.site-nav a{
  color:var(--muted);font-weight:600;font-size:.9rem;padding:.45rem .8rem;border-radius:10px;
  transition:color .2s,background .2s;
}
.site-nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.site-nav a.active{color:var(--text);background:rgba(255,47,78,.16)}
@media(max-width:720px){.site-nav a{padding:.4rem .55rem;font-size:.84rem}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-weight:600;font-size:.95rem;color:#fff;border:0;cursor:pointer;
  min-height:46px;padding:.55rem 1.3rem;border-radius:13px;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s;
}
.btn-primary{background:var(--grad);box-shadow:0 14px 34px -10px rgba(255,47,78,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px -12px rgba(255,47,78,.7);color:#fff}
.btn-ghost{background:rgba(255,255,255,.07);border:1px solid var(--stroke);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:var(--text)}
.btn-sm{min-height:38px;padding:.35rem .95rem;font-size:.87rem;border-radius:11px}

/* ---------- Hero / page head ---------- */
.page-hero{padding:4.2rem 0 2.6rem;text-align:center}
.page-hero .crumb{font-size:.85rem;color:var(--muted-2);margin-bottom:1.1rem}
.page-hero .crumb a{color:var(--muted)}
.page-hero h1{font-size:clamp(1.9rem,4.6vw,3rem);letter-spacing:-.03em;line-height:1.16;font-weight:800}
.page-hero .lead{color:var(--muted);max-width:640px;margin:1rem auto 0;font-size:1.05rem}
.updated{margin-top:.9rem;font-size:.8rem;color:var(--muted-2);letter-spacing:.04em}

/* ---------- Generic content card (legal/article) ---------- */
.content-card{padding:clamp(1.4rem,4vw,2.6rem);margin:0 auto 3rem}
.prose{color:var(--muted);font-size:.99rem}
.prose h2{color:var(--text);font-size:1.38rem;margin:2rem 0 .7rem;letter-spacing:-.02em}
.prose h3{color:var(--text);font-size:1.1rem;margin:1.5rem 0 .5rem}
.prose p{margin:.75rem 0}
.prose ul,.prose ol{margin:.7rem 0 .9rem 1.35rem}
.prose li{margin:.35rem 0}
.prose strong{color:var(--text)}
.prose .hl{background:rgba(255,47,78,.1);border:1px solid rgba(255,47,78,.25);border-radius:var(--r-md);padding:.9rem 1.1rem;margin:1.1rem 0}
.prose table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.9rem}
.prose th,.prose td{border:1px solid var(--stroke);padding:.55rem .7rem;text-align:left}
.prose th{color:var(--text);background:rgba(255,255,255,.05)}
.prose a{word-break:break-word}

/* ---------- Breadcrumb ---------- */
.crumbs{font-size:.83rem;color:var(--muted-2);margin:1.6rem 0 0}
.crumbs ol{list-style:none;display:flex;gap:.5rem;flex-wrap:wrap;align-items:center}
.crumbs li{display:flex;gap:.5rem;align-items:center}
.crumbs li+li::before{content:"›";color:var(--muted-2)}

/* ---------- Blog ---------- */
.blog-tools{display:flex;gap:.7rem;flex-wrap:wrap;justify-content:center;margin:1.6rem 0 2.2rem}
.blog-search{
  flex:1 1 260px;max-width:420px;display:flex;align-items:center;gap:.5rem;
  background:rgba(255,255,255,.06);border:1px solid var(--stroke);border-radius:13px;padding:.2rem .9rem;
}
.blog-search input{
  flex:1;background:transparent;border:0;color:var(--text);font-size:.95rem;height:42px;outline:none;
}
.blog-tools select{
  background:var(--panel);border:1px solid var(--stroke);color:var(--text);
  height:46px;border-radius:13px;padding:0 .9rem;font-size:.9rem;cursor:pointer;
}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:1.4rem;margin-bottom:2.4rem}
.post-card{overflow:hidden;display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.post-card .cover{
  height:150px;display:grid;place-items:center;position:relative;
  background:linear-gradient(135deg,#2a0e18,#160a20);
}
.post-card .cover.c2{background:linear-gradient(135deg,#251036,#0c0a24)}
.post-card .cover.c3{background:linear-gradient(135deg,#33140a,#1c0a1e)}
.post-card .cover.c4{background:linear-gradient(135deg,#0a2a33,#0c1424)}
.post-card .cover.c5{background:linear-gradient(135deg,#12330f,#141024)}
.post-card .cover.c6{background:linear-gradient(135deg,#300a2a,#101228)}
.post-card .cover .emoji{font-size:3rem;filter:drop-shadow(0 8px 18px rgba(0,0,0,.5))}
.post-card .tag{
  position:absolute;top:12px;left:12px;font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  background:rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.22);color:#fff;padding:.28rem .6rem;border-radius:8px;
}
.post-body{padding:1.2rem 1.3rem 1.4rem;display:flex;flex-direction:column;gap:.55rem;flex:1}
.post-body h3{font-size:1.08rem;line-height:1.35;letter-spacing:-.01em}
.post-body h3 a{color:var(--text)}
.post-body h3 a:hover{color:var(--brand)}
.post-body p{color:var(--muted);font-size:.9rem;flex:1}
.post-meta{display:flex;gap:.5rem;font-size:.76rem;color:var(--muted-2);flex-wrap:wrap}
.tag-row{display:flex;gap:.4rem;flex-wrap:wrap}
.pill{font-size:.72rem;background:rgba(255,255,255,.07);border:1px solid var(--stroke);color:var(--muted);padding:.2rem .55rem;border-radius:999px}
.pill:hover{color:var(--text);border-color:rgba(255,255,255,.25)}
.pagination{display:flex;gap:.5rem;justify-content:center;margin:1rem 0 2.6rem;flex-wrap:wrap}
.pagination a{
  min-width:42px;height:42px;display:grid;place-items:center;border-radius:11px;
  background:rgba(255,255,255,.06);border:1px solid var(--stroke);color:var(--muted);font-weight:600;font-size:.9rem;
}
.pagination a:hover{color:var(--text)}
.pagination a.on{background:var(--grad);color:#fff;border-color:transparent}
.empty-note{text-align:center;color:var(--muted);padding:2.6rem 1rem;grid-column:1/-1}

/* ---------- Article page ---------- */
.article-wrap{display:grid;grid-template-columns:230px 1fr;gap:2.2rem;max-width:1060px;margin:0 auto}
@media(max-width:900px){.article-wrap{grid-template-columns:1fr}}
.toc{position:sticky;top:calc(var(--header-h) + 18px);align-self:start;padding:1.2rem 1.3rem;font-size:.86rem}
.toc h4{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:.7rem}
.toc a{display:block;color:var(--muted);padding:.3rem 0;border-left:2px solid transparent;padding-left:.7rem;margin-left:-2px}
.toc a:hover,.toc a.on{color:var(--brand);border-left-color:var(--brand)}
@media(max-width:900px){.toc{position:static}}
.article-head{margin-bottom:1.6rem}
.article-head h1{font-size:clamp(1.7rem,3.8vw,2.5rem);letter-spacing:-.03em;line-height:1.2;margin:.6rem 0 .8rem}
.article-meta{display:flex;gap:.7rem;flex-wrap:wrap;font-size:.82rem;color:var(--muted-2);align-items:center}
.author-chip{display:flex;align-items:center;gap:.55rem;margin-top:1rem}
.author-chip .ava{width:40px;height:40px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:800;color:#fff;font-size:.85rem}
.author-chip .who{font-size:.83rem;color:var(--muted)}
.author-chip .who strong{display:block;color:var(--text);font-size:.9rem}
.article-body{font-size:.99rem}
.article-body h2{scroll-margin-top:calc(var(--header-h) + 14px)}
.clap-row{display:flex;gap:.7rem;flex-wrap:wrap;margin:2rem 0 0;align-items:center}
.clap-row .lab{font-size:.82rem;color:var(--muted-2);margin-right:.3rem}
.share-btn{
  display:inline-flex;gap:.45rem;align-items:center;background:rgba(255,255,255,.06);
  border:1px solid var(--stroke);color:var(--muted);font-size:.83rem;font-weight:600;
  padding:.5rem .85rem;border-radius:11px;cursor:pointer;transition:all .2s;
}
.share-btn:hover{color:var(--text);border-color:rgba(255,255,255,.3);transform:translateY(-1px)}
.faq-mini details{border:1px solid var(--stroke);border-radius:var(--r-md);margin:.6rem 0;background:rgba(255,255,255,.03)}
.faq-mini summary{cursor:pointer;padding:.85rem 1.1rem;font-weight:600;color:var(--text);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq-mini summary::after{content:"+";color:var(--brand);font-size:1.2rem;font-weight:400}
.faq-mini details[open] summary::after{content:"–"}
.faq-mini details .a{padding:0 1.1rem 1rem;color:var(--muted);font-size:.92rem}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.1rem;margin-top:1.2rem}
.rel-card{display:block;padding:1.1rem 1.2rem;color:var(--text)}
.rel-card:hover{color:var(--brand);transform:translateY(-3px);transition:transform .25s var(--ease)}
.rel-card small{color:var(--muted-2);display:block;margin-top:.3rem}

/* ---------- Chips / lists ---------- */
.chip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1rem;margin:1.6rem 0 3rem}
.chip-card{display:block;padding:1.3rem 1.4rem;color:var(--text)}
.chip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);color:var(--brand);transition:transform .25s var(--ease)}
.chip-card .n{font-size:1.6rem;margin-bottom:.4rem}
.chip-card p{color:var(--muted);font-size:.85rem;margin-top:.3rem}

/* ---------- Forms ---------- */
.form-grid{display:grid;gap:1rem;max-width:620px;margin:0 auto 3rem}
.input,textarea.input{
  width:100%;background:rgba(255,255,255,.06);border:1px solid var(--stroke);color:var(--text);
  border-radius:13px;padding:.85rem 1rem;font-size:.95rem;outline:none;font-family:inherit;
  transition:border-color .2s,box-shadow .2s;
}
.input:focus{border-color:rgba(255,47,78,.55);box-shadow:0 0 0 3px rgba(255,47,78,.15)}
textarea.input{min-height:130px;resize:vertical}
.form-note{font-size:.8rem;color:var(--muted-2);text-align:center}
.mail-link{
  display:inline-block;background:rgba(255,255,255,.06);border:1px solid var(--stroke);
  padding:.7rem 1.2rem;border-radius:12px;color:var(--text);font-weight:600;margin:.3rem .3rem 0;
}
.mail-link:hover{border-color:rgba(255,255,255,.3);color:var(--brand)}

/* ---------- Status / misc ---------- */
.status-box{text-align:center;padding:2.6rem 1.6rem;max-width:620px;margin:0 auto 3rem}
.status-dot{width:14px;height:14px;border-radius:50%;display:inline-block;margin-right:.5rem;vertical-align:-1px}
.status-dot.ok{background:#2fd47a;box-shadow:0 0 14px rgba(47,212,122,.8)}
.status-dot.bad{background:#ff4757;box-shadow:0 0 14px rgba(255,71,87,.8)}
.status-line{font-size:1.05rem;margin:.5rem 0}
.status-note{color:var(--muted-2);font-size:.83rem;margin-top:.9rem}
.big-code{font-size:clamp(5rem,18vw,9rem);font-weight:800;letter-spacing:-.05em;line-height:1;text-align:center}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--stroke);padding:3rem 0 2rem;margin-top:2rem;background:rgba(255,255,255,.015)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-grid h4{font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin-bottom:.9rem}
.footer-grid ul{list-style:none;display:grid;gap:.5rem}
.footer-grid a{color:var(--muted);font-size:.9rem}
.footer-grid a:hover{color:var(--text)}
.footer-brand p{color:var(--muted);font-size:.88rem;margin-top:.8rem;max-width:300px}
.footer-bottom{margin-top:2.4rem;padding-top:1.4rem;border-top:1px solid var(--stroke);font-size:.8rem;color:var(--muted-2)}
.footer-bottom .row{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.footer-bottom .disclaimer{margin-top:.8rem;line-height:1.7}
/* ---- v3.1.2: AdSense-ready slots — invisible until ADSENSE_PUB_ID + ADSENSE_SLOT (both valid) are set.
   The [hidden] guard MUST come before/stronger than display:flex, otherwise the
   empty container still renders blank space (author styles beat the UA [hidden] rule). */
.ad-slot[hidden]{display:none!important}
.ad-slot:not([hidden]){margin:2.4rem auto;display:flex;justify-content:center;max-width:970px;width:100%}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- Language picker popup + RTL baseline (v3.2.0) ---------- */
.lang-pop{display:grid;gap:2px;min-width:190px;max-height:70vh;overflow:auto;padding:8px;border-radius:14px;background:var(--panel);border:1px solid var(--stroke);box-shadow:var(--shadow);backdrop-filter:blur(14px)}
.lang-opt{display:block;width:100%;text-align:left;padding:9px 12px;border:0;border-radius:9px;background:transparent;color:var(--text);font-size:.9rem;cursor:pointer;white-space:nowrap;font-family:inherit}
.lang-opt:hover{background:var(--stroke)}
.lang-opt.on{background:rgba(255,47,78,.15);color:var(--brand);font-weight:700}
html[dir="rtl"] body{direction:rtl}
html[dir="rtl"] .lang-opt{text-align:right}

/* ===== v3.4.0 — Homepage trust & transparency sections (additive) ===== */
.notice-card{margin-top:30px;padding:26px 28px;border-radius:var(--r-lg);border-left:3px solid var(--brand)}
.notice-card h3{font-size:1.08rem;margin-bottom:8px}
.notice-card p{color:var(--muted);font-size:.95rem;line-height:1.75}
.notice-card p a{text-decoration:underline}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:18px;margin-top:18px}
.trust-card{padding:24px;border-radius:var(--r-lg)}
.trust-card h3{font-size:1.02rem;margin-bottom:10px}
.trust-card p{color:var(--muted);font-size:.92rem;line-height:1.7}
.trust-card p a{text-decoration:underline}
.check-list{list-style:none;display:grid;gap:9px}
.check-list li{position:relative;padding-left:25px;color:var(--muted);font-size:.9rem;line-height:1.55}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:#3dd68c;font-weight:800}
.link-list{list-style:none;display:grid;gap:9px}
.link-list li{position:relative;padding-left:20px}
.link-list li::before{content:"→";position:absolute;left:0;top:0;color:var(--brand);font-weight:700}
.link-list a{color:var(--muted);font-size:.9rem;line-height:1.55}
.link-list a:hover{color:var(--text)}
.pol-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.pol-links a{font-size:.82rem;padding:6px 13px;border-radius:999px;border:1px solid var(--stroke);color:var(--muted);transition:border-color .25s var(--ease),color .25s var(--ease)}
.pol-links a:hover{border-color:var(--brand);color:var(--text)}