:root{
  --bg:#0a0c11; --panel:#11141b; --panel2:#161a23; --line:rgba(255,255,255,.07); --line2:rgba(255,255,255,.12);
  --text:#c9cfdb; --muted:#7c8597; --head:#e6e9f0; --accent:#6d7cff; --err:#ef7a7a; --ok:#6fcf97;
  --r:14px; --shadow:0 18px 50px -18px rgba(0,0,0,.8), 0 2px 0 rgba(255,255,255,.03) inset;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:400 16px/1.65 'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;min-height:100vh;overflow-x:hidden;position:relative}
body.center{display:grid;place-items:center;padding:20px}
a{color:inherit;text-decoration:none}
h1,h2,h3{color:var(--head);letter-spacing:-.02em;line-height:1.15}

/* dim grid background */
.bg-grid{position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(ellipse 80% 65% at 50% 25%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 80% 65% at 50% 25%,#000 20%,transparent 75%);
  animation:gridmove 40s linear infinite}
.bg-glow{position:fixed;z-index:-1;pointer-events:none;width:620px;height:620px;left:50%;top:-240px;margin-left:-310px;border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb,var(--accent) 26%,transparent),transparent 65%);filter:blur(30px);opacity:.55;animation:breathe 9s ease-in-out infinite}
@keyframes gridmove{to{background-position:46px 46px,46px 46px}}
@keyframes breathe{50%{opacity:.3;transform:scale(1.12)}}

/* nav */
.nav{display:flex;align-items:center;justify-content:space-between;max-width:1080px;margin:0 auto;padding:22px 24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--head);font-size:18px}
.brand img{display:block;max-height:34px;width:auto}
.brand-mark{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#3a1f7a);box-shadow:0 6px 18px -4px var(--accent)}
.nav nav{display:flex;gap:26px;font-size:14px;color:var(--muted)}
.nav nav a:hover{color:var(--head)}

/* hero */
.hero{max-width:860px;margin:0 auto;padding:54px 24px 30px;text-align:center}
.hero h1{font-size:clamp(34px,6vw,58px);font-weight:800;animation:rise .8s cubic-bezier(.2,.7,.2,1) both}
.sub{max-width:600px;margin:20px auto 0;color:var(--muted);animation:rise .8s .12s cubic-bezier(.2,.7,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

.tool{margin:34px auto 0;padding:14px;background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line2);border-radius:20px;box-shadow:var(--shadow),0 0 0 6px rgba(255,255,255,.015);text-align:left;animation:rise .8s .24s cubic-bezier(.2,.7,.2,1) both}
.field{display:flex;gap:8px}
input,textarea{font:inherit;color:var(--head);background:#0c0f15;border:1px solid var(--line2);border-radius:12px;padding:15px 16px;width:100%;outline:none;transition:border-color .2s,box-shadow .2s}
input:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}
::placeholder{color:#4d5565}
button{font:inherit;cursor:pointer;border:0;color:inherit}
.primary{position:relative;overflow:hidden;padding:0 26px;border-radius:12px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--accent),color-mix(in srgb,var(--accent) 55%,#1a0f3d));box-shadow:0 10px 26px -10px var(--accent);transition:transform .15s,box-shadow .2s,filter .2s;white-space:nowrap;min-height:50px}
.primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px -10px var(--accent);filter:brightness(1.08)}
.primary:active{transform:none}
.primary::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.18) 50%,transparent 70%);transform:translateX(-120%);animation:sheen 4.5s 1.5s infinite}
@keyframes sheen{to{transform:translateX(120%)}}
.ghost{background:#0c0f15;border:1px solid var(--line2);border-radius:12px;padding:0 16px;color:var(--muted);transition:color .2s,border-color .2s}
.ghost:hover{color:var(--head);border-color:var(--accent)}
.error{color:var(--err);font-size:14px;margin:12px 4px 2px}
.notice{padding:14px}
.loading{display:flex;align-items:center;gap:12px;padding:18px 6px 6px;color:var(--muted);font-size:14px}
.spin{width:18px;height:18px;border-radius:50%;border:2px solid var(--line2);border-top-color:var(--accent);animation:spin .8s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

/* result */
.result{display:grid;grid-template-columns:260px 1fr;gap:20px;padding:18px 6px 6px;animation:pop .45s cubic-bezier(.2,.8,.2,1) both}
@keyframes pop{from{opacity:0;transform:scale(.97) translateY(8px)}to{opacity:1;transform:none}}
.thumb{position:relative;border-radius:12px;overflow:hidden;background:#0c0f15;aspect-ratio:16/10;box-shadow:0 14px 30px -14px #000}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb span{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.7);padding:2px 8px;border-radius:6px;font-size:12px;color:#fff}
.meta h2{font-size:19px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta p{color:var(--muted);font-size:14px;margin-top:4px}
.tabs{display:inline-flex;margin:16px 0 12px;padding:4px;background:#0c0f15;border:1px solid var(--line);border-radius:12px}
.tab{background:none;padding:8px 18px;border-radius:9px;color:var(--muted);font-weight:600;font-size:14px;transition:all .2s}
.tab.on{background:var(--panel2);color:var(--head);box-shadow:0 4px 12px -4px #000}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opt{display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:11px;background:#0c0f15;border:1px solid var(--line2);color:var(--head);font-weight:600;font-size:14px;transition:all .2s}
.opt:hover:not(:disabled){border-color:var(--accent);transform:translateY(-2px);box-shadow:0 10px 22px -12px var(--accent)}
.opt:disabled{opacity:.6;cursor:wait}
.opt svg{width:15px;height:15px;opacity:.7}
.status{margin-top:12px;font-size:14px;color:var(--muted)}
.status.ok{color:var(--ok)}.status.bad{color:var(--err)}

.sites{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;list-style:none;padding:0;margin-top:34px}
.sites li{padding:6px 14px;border:1px solid var(--line);border-radius:99px;font-size:13px;color:var(--muted);background:rgba(255,255,255,.015)}
.ad-slot{max-width:960px;margin:18px auto;padding:0 24px;text-align:center;overflow:hidden}

/* sections */
.steps,.faq,.doc{max-width:860px;margin:0 auto;padding:60px 24px 0}
.steps h2,.faq h2{font-size:28px;margin-bottom:24px}
.steps ol{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.steps li{padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.steps b{display:block;color:var(--head);margin-bottom:6px}
.steps span{color:var(--muted);font-size:14px}
details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:10px;transition:border-color .2s}
details[open]{border-color:var(--line2)}
summary{cursor:pointer;color:var(--head);font-weight:600;list-style:none;display:flex;justify-content:space-between}
summary::after{content:"+";color:var(--muted);transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:10px;color:var(--muted);font-size:15px}
.doc h1{font-size:34px;margin-bottom:18px}.doc p{margin-bottom:14px;color:var(--text)}
.foot{max-width:1080px;margin:80px auto 0;padding:30px 24px 40px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.foot strong{color:var(--head)}.foot nav{display:flex;gap:20px}.foot a:hover{color:var(--head)}

/* admin */
.card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line2);border-radius:18px;box-shadow:var(--shadow);padding:30px}
.login{width:100%;max-width:380px;display:grid;gap:16px;animation:pop .5s both}
.login h1{font-size:24px}
label{display:grid;gap:6px;font-size:14px;color:var(--text);font-weight:600}
label small,small{color:var(--muted);font-weight:400;font-size:12.5px}
textarea{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;resize:vertical}
input[type=color]{padding:4px;height:46px;width:90px}
input[type=file]{padding:10px;font-size:13px}
.chk{display:flex;align-items:center;gap:10px;font-weight:500}.chk input{width:auto}
.adminbody{padding:0}
.admin{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.side{padding:24px 16px;border-right:1px solid var(--line);background:rgba(10,12,17,.8);display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}
.side .brand{margin:0 8px 22px;font-size:16px}
.nav-tab{display:block;text-align:left;padding:10px 14px;border-radius:10px;background:none;color:var(--muted);font-weight:600;font-size:14px;transition:all .2s}
.nav-tab:hover{color:var(--head);background:rgba(255,255,255,.04)}
.nav-tab.on{color:var(--head);background:var(--panel2);box-shadow:inset 3px 0 0 var(--accent)}
.panes{padding:34px 40px 110px;max-width:820px}
.pane{display:none;gap:18px;animation:pop .35s both}.pane.on{display:grid}
.pane h2{font-size:24px}
.hint{color:var(--muted);font-size:14px}
.imgf{display:grid;gap:8px;font-size:14px;font-weight:600}.imgf img{max-height:60px;max-width:220px;object-fit:contain;background:#0c0f15;border:1px solid var(--line);border-radius:8px;padding:6px}
.flash{padding:12px 16px;border-radius:10px;background:rgba(111,207,151,.1);border:1px solid rgba(111,207,151,.3);color:var(--ok);margin-bottom:16px}
.savebar{position:fixed;left:230px;right:0;bottom:0;padding:16px 40px;background:linear-gradient(0deg,var(--bg) 60%,transparent);display:flex}
.savebar .primary{padding:0 34px}

:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (max-width:760px){
  .nav nav{display:none}.field{flex-wrap:wrap}.field input{flex:1 1 100%}.field .primary{flex:1}
  .result{grid-template-columns:1fr}.steps ol{grid-template-columns:1fr}
  .admin{grid-template-columns:1fr}.side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;border-right:0;border-bottom:1px solid var(--line)}
  .side .brand{width:100%}.panes{padding:24px 18px 110px}.savebar{left:0;padding:14px 18px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}