:root{
  --bg-dark:#070913;--bg-card:rgba(15,23,42,.65);--border:rgba(255,255,255,.08);
  --text:#f8fafc;--text-2:#94a3b8;--muted:#64748b;
  --indigo:#6366f1;--purple:#a855f7;--warn:#f59e0b;--danger:#ef4444;--ok:#10b981;--blue:#3b82f6;
  --font:'Outfit',sans-serif;--font-sub:'Plus Jakarta Sans',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-dark);
  background-image:radial-gradient(circle at 10% 20%,rgba(99,102,241,.08),transparent 40%),radial-gradient(circle at 90% 80%,rgba(168,85,247,.08),transparent 40%);
  color:var(--text);min-height:100vh;line-height:1.65;overflow-x:hidden}
a{color:#a5b4fc}
.container{max-width:1040px;margin:0 auto;padding:28px 18px 60px;display:flex;flex-direction:column;gap:22px}
.container.wide{max-width:1400px}

/* top bar */
.topbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.topbar .brand{font-weight:800;font-size:1.15rem;text-decoration:none;color:var(--text)}
.topbar .spacer{flex:1}
.topbar a.nav{color:var(--text-2);text-decoration:none;font-size:.9rem}
.topbar a.nav:hover{color:var(--text)}

/* buttons / inputs */
.btn{display:inline-flex;align-items:center;gap:8px;background:rgba(99,102,241,.15);border:1px solid rgba(99,102,241,.4);color:#c7d2fe;padding:8px 14px;border-radius:10px;text-decoration:none;font-weight:600;font-size:.9rem;cursor:pointer;font-family:var(--font-sub)}
.btn:hover{background:rgba(99,102,241,.28)}
.btn.primary{background:linear-gradient(135deg,var(--indigo),var(--purple));color:#fff;border-color:transparent}
.btn.danger{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.35);color:#fecaca}
.btn.ghost{background:transparent;border-color:var(--border);color:var(--text-2)}
.btn.sm{padding:5px 10px;font-size:.8rem;border-radius:8px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
input,textarea,select{width:100%;background:#0b1020;border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 10px;font-family:var(--font-sub);font-size:.92rem}
input:focus,textarea:focus,select:focus{outline:none;border-color:rgba(99,102,241,.6)}
textarea{min-height:90px;resize:vertical;line-height:1.5}
label.f{display:block;font-size:.8rem;color:var(--text-2);margin:8px 0 4px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row>*{flex:1;min-width:120px}
.row>.fix{flex:none}
.chk{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;color:var(--text-2);cursor:pointer}
.chk input{width:auto}

/* cards */
.card{border:1px solid var(--border);background:var(--bg-card);border-radius:14px;padding:18px 20px}
.card h2{font-size:1.25rem;margin-bottom:6px}
.card p{color:var(--text-2);font-family:var(--font-sub);font-size:.95rem}
.muted{color:var(--muted);font-size:.85rem}
.err{color:#fca5a5;font-size:.9rem}

/* guide list */
.glist{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.glist a.card{text-decoration:none;color:var(--text);transition:.2s;display:block}
.glist a.card:hover{border-color:rgba(99,102,241,.4);transform:translateY(-2px)}

/* tabs */
.ac-tabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.ac-tab{cursor:pointer;border:1px solid var(--border);background:var(--bg-card);border-radius:14px;padding:16px 14px;text-align:center;transition:.2s;--c:#6366f1}
.ac-tab:hover{border-color:rgba(99,102,241,.4);transform:translateY(-2px)}
.ac-tab .big{font-size:1.5rem;font-weight:800;letter-spacing:.5px}
.ac-tab .sub{font-size:.8rem;color:var(--text-2);font-family:var(--font-sub);margin-top:2px}
.ac-tab.active{border-color:transparent;box-shadow:0 0 0 2px var(--c),0 0 30px color-mix(in srgb,var(--c) 30%,transparent)}
.ac-tab.active .big{color:var(--c)}
.brand-tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.brand-tab{cursor:pointer;border:1px solid var(--border);background:rgba(15,23,42,.5);border-radius:999px;padding:8px 18px;font-weight:600;font-size:.92rem;transition:.2s;color:var(--text-2)}
.brand-tab:hover{color:var(--text);border-color:rgba(99,102,241,.5)}
.brand-tab.active{background:linear-gradient(135deg,var(--indigo),var(--purple));color:#fff;border-color:transparent}
.toolbar{display:flex;gap:10px;justify-content:flex-end}

/* steps */
.steps{display:flex;flex-direction:column;gap:18px}
.step{border:1px solid var(--border);background:var(--bg-card);border-radius:14px;overflow:hidden}
.step-head{display:flex;align-items:center;gap:14px;padding:16px 20px;cursor:pointer;user-select:none}
.step-head:hover{background:rgba(255,255,255,.03)}
.num{flex:none;width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:1rem;background:linear-gradient(135deg,var(--indigo),var(--purple));color:#fff}
.num.opt{background:linear-gradient(135deg,#b45309,#f59e0b)}
.step-title{flex:1}
.step-title h3{font-size:1.08rem;font-weight:700}
.step-title small{display:block;color:var(--text-2);font-family:var(--font-sub);font-size:.82rem;margin-top:1px}
.chev{color:var(--muted);transition:.25s}
.step.open .chev{transform:rotate(180deg)}
.step-body{display:none;padding:4px 20px 22px;border-top:1px solid var(--border);font-family:var(--font-sub);font-size:.95rem;color:#cbd5e1}
.step.open .step-body{display:block}
.step-body h4{color:var(--text);font-family:var(--font);font-size:1rem;margin:18px 0 8px}
.step-body p{margin:8px 0}
.step-body ol,.step-body ul{margin:8px 0 8px 22px}
.step-body li{margin:5px 0}
.step-body code{background:rgba(255,255,255,.08);padding:2px 7px;border-radius:6px;font-size:.88em;color:#e0e7ff}
.step-body pre{background:#0b1020;border:1px solid var(--border);border-radius:10px;padding:12px 14px;overflow-x:auto;font-size:.85rem;line-height:1.5;color:#c7d2fe;margin:10px 0;white-space:pre-wrap}
.step-body b,.step-body strong{color:var(--text)}
.step-body details{margin:12px 0;border:1px solid var(--border);border-radius:10px;padding:8px 12px}
.step-body summary{cursor:pointer;color:var(--text)}
.note{border-left:3px solid var(--blue);background:rgba(59,130,246,.08);padding:10px 14px;border-radius:0 10px 10px 0;margin:12px 0}
.note.warn{border-color:var(--warn);background:rgba(245,158,11,.08)}
.note.danger{border-color:var(--danger);background:rgba(239,68,68,.08)}
.note.ok{border-color:var(--ok);background:rgba(16,185,129,.08)}
.path{display:inline-block;background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:8px;padding:6px 12px;margin:4px 0;font-size:.88rem;color:#e0e7ff}
figure{margin:14px 0}
figure img{max-width:100%;border-radius:10px;border:1px solid var(--border);display:block;cursor:zoom-in}
figure.sm img{max-width:420px}
figcaption{font-size:.8rem;color:var(--muted);margin-top:6px;text-align:center}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.video{position:relative;width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid var(--border);background:#000;margin:12px 0}
.video iframe,.video video{position:absolute;inset:0;width:100%;height:100%;border:0}
.vlink{display:inline-flex;align-items:center;gap:8px;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);color:#fecaca;padding:8px 14px;border-radius:10px;text-decoration:none;font-weight:600;font-size:.9rem;margin:6px 6px 6px 0}
.dl{display:inline-flex;align-items:center;gap:8px;background:rgba(99,102,241,.15);border:1px solid rgba(99,102,241,.4);color:#c7d2fe;padding:8px 14px;border-radius:10px;text-decoration:none;font-weight:600;font-size:.9rem;margin:6px 6px 6px 0}

/* admin editor */
.admin{display:grid;grid-template-columns:300px 1fr;gap:18px;align-items:start}
.admin .side{position:sticky;top:16px;display:flex;flex-direction:column;gap:14px}
.tablist{display:flex;flex-direction:column;gap:6px}
.tablist .it{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;border:1px solid var(--border);cursor:pointer;font-size:.9rem}
.tablist .it.active{border-color:rgba(99,102,241,.6);background:rgba(99,102,241,.12)}
.tablist .it span{flex:1}
.ed-step{border:1px solid var(--border);border-radius:12px;margin-bottom:12px;background:rgba(15,23,42,.5)}
.ed-step .hd{display:flex;align-items:center;gap:8px;padding:10px 14px;cursor:pointer}
.ed-step .hd b{flex:1}
.ed-step .bd{display:none;padding:0 14px 14px;border-top:1px solid var(--border)}
.ed-step.open .bd{display:block}
.ed-block{border:1px dashed var(--border);border-radius:10px;padding:10px 12px;margin:10px 0;background:rgba(0,0,0,.2)}
.ed-block .bh{display:flex;align-items:center;gap:6px;margin-bottom:6px}
.ed-block .bh .t{flex:1;font-size:.8rem;color:var(--text-2);text-transform:uppercase;letter-spacing:.5px}
.ibtn{background:transparent;border:1px solid var(--border);color:var(--text-2);border-radius:6px;width:26px;height:26px;cursor:pointer;font-size:.8rem}
.ibtn:hover{color:var(--text);border-color:rgba(99,102,241,.5)}
.ibtn.x:hover{color:#fca5a5;border-color:rgba(239,68,68,.5)}
.thumb{max-width:160px;max-height:90px;border-radius:6px;border:1px solid var(--border);margin-top:6px;display:block}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#111827;border:1px solid var(--border);color:var(--text);padding:10px 18px;border-radius:10px;font-size:.9rem;z-index:50;opacity:0;transition:.25s;pointer-events:none}
.toast.show{opacity:1}
table.tbl{width:100%;border-collapse:collapse;font-family:var(--font-sub);font-size:.92rem}
table.tbl th,table.tbl td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left}
table.tbl th{color:var(--text-2);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.5px}
.pill{font-size:.75rem;padding:2px 8px;border-radius:999px;border:1px solid var(--border);color:var(--text-2)}
.pill.on{color:#6ee7b7;border-color:rgba(16,185,129,.4)}
.login{max-width:380px;margin:80px auto}

#lb{position:fixed;inset:0;background:rgba(0,0,0,.9);display:none;place-items:center;z-index:99;cursor:zoom-out;padding:20px}
#lb.show{display:grid}
#lb img{max-width:100%;max-height:100%;border-radius:10px}
@media(max-width:900px){.admin{grid-template-columns:1fr}.admin .side{position:static}}
@media(max-width:640px){.step-body{padding:4px 14px 18px}}