:root{--bg:#0b0d12;--card:#171b25;--line:#262c3a;--text:#e8ebf2;--muted:#8b93a7;--accent:#f5b400;--accent2:#39c5ff;--ok:#3ddc84;--danger:#ff4d5e}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(1000px 500px at 50% -10%,#1b2030,var(--bg) 60%);color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.5}
.wrap{max-width:860px;margin:0 auto;padding:20px 16px 60px}
.top{display:flex;align-items:baseline;gap:14px;margin-bottom:26px}
.brand{font-weight:800;font-size:20px;color:var(--text);text-decoration:none}.brand:hover{color:var(--accent)}
.tag{color:var(--muted);font-size:13px}
.hero h1{font-size:clamp(26px,5vw,40px);line-height:1.15;margin:0 0 10px}.hero h1 span{color:var(--accent)}
.hero p{color:var(--muted);font-size:16px;margin:0 0 24px;max-width:640px}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:14px}
.step.muted{background:transparent}
.step h2{margin:0 0 10px;font-size:17px;display:flex;align-items:center;gap:10px}
.num{width:26px;height:26px;border-radius:50%;background:#222838;display:grid;place-items:center;font-size:13px;color:var(--muted);flex:none}
ol,ul{padding-left:20px;color:var(--muted);font-size:14px}li{margin:6px 0}
.hint{color:var(--muted);font-size:13px}
code{background:#0f121a;padding:2px 6px;border-radius:6px;font-size:12px;color:var(--text)}
a{color:var(--accent2)}
textarea{width:100%;min-height:96px;background:#0f121a;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:10px;font-family:ui-monospace,Menlo,monospace;font-size:12px;resize:vertical}
textarea:focus{outline:none;border-color:var(--accent2)}
label.chk{display:flex;gap:8px;align-items:center;font-size:14px;margin:12px 0}
button,.btn{background:var(--accent);color:#111;border:0;border-radius:10px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer;text-decoration:none;display:inline-block}
button.sec{background:#222838;color:var(--text);border:1px solid var(--line)}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:12px}
.log{background:#0f121a;border:1px solid var(--line);border-radius:10px;padding:10px;font-family:ui-monospace,Menlo,monospace;font-size:12px;max-height:300px;overflow:auto;white-space:pre-wrap;color:#c7cdd9;margin-top:10px}
.err{color:var(--danger);font-size:13px;margin:8px 0}.err:empty{display:none}
.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px}
.kv div{background:#0f121a;border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:15px;font-weight:700}
.kv b{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;font-weight:600}
.tbl{width:100%;border-collapse:collapse;font-size:13px}.tbl th,.tbl td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line)}
footer{margin-top:30px;color:var(--muted);font-size:12px;text-align:center;line-height:1.7}
/* layout widths */
.wrap.narrow{max-width:520px}.wrap.wide{max-width:980px}
.top{flex-wrap:wrap}
.top nav{margin-left:auto;display:flex;gap:14px;align-items:center;font-size:14px}
.top nav a{color:var(--text);text-decoration:none}.top nav a:hover{color:var(--accent)}
.top nav form{margin:0}
button.link{background:none;border:0;color:var(--muted);padding:0;font-weight:500;font-size:14px}button.link:hover{color:var(--text)}
.btn.sm,button.sm{padding:7px 12px;font-size:13px;border-radius:8px}
.btn.sec{background:#222838;color:var(--text);border:1px solid var(--line)}
button.danger{background:transparent;color:var(--danger);border:1px solid rgba(255,77,94,.4)}
button:disabled{opacity:.5;cursor:not-allowed}
.flash{border-radius:10px;padding:10px 14px;margin:0 0 14px;font-size:14px}
.flash.err{background:rgba(255,77,94,.1);border:1px solid rgba(255,77,94,.35);color:#ffb3ba}
.flash.ok{background:rgba(61,220,132,.08);border:1px solid rgba(61,220,132,.3);color:#b6f3cf}
/* forms */
.form{display:flex;flex-direction:column;gap:12px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
.form label.chk{flex-direction:row;color:var(--text);margin:0}
input:not([type=checkbox]){width:100%;background:#0f121a;color:var(--text);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14px}
input:focus{outline:none;border-color:var(--accent2)}
details.step summary{cursor:pointer;list-style:none}details.step summary::-webkit-details-marker{display:none}
details.step[open] summary{margin-bottom:10px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:24px}
.grid3 .step{margin:0}
/* dashboard */
.dash-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.dash-head h1{margin:0;font-size:26px}.dash-head p{margin:4px 0 0}
.empty{text-align:center;padding:36px 20px}
.acct-list{display:grid;gap:12px}
.acct{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;display:grid;gap:12px}
.acct-top{display:flex;gap:12px;align-items:flex-start}
.avatar{width:48px;height:48px;border-radius:12px;object-fit:cover;flex:none;background:#0f121a}
.avatar.ph{display:grid;place-items:center;font-weight:800;font-size:20px;color:var(--muted);text-transform:uppercase}
.acct-id{min-width:0;display:grid;gap:2px}
.acct-name{font-weight:700;font-size:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;overflow-wrap:anywhere}
.badge{font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;background:#222838;color:var(--muted);border:1px solid var(--line)}
.badge.ok{color:var(--ok);border-color:rgba(61,220,132,.35);background:rgba(61,220,132,.08)}
.badge.warn{color:var(--accent);border-color:rgba(245,180,0,.35);background:rgba(245,180,0,.08)}
.badge.bad{color:var(--danger);border-color:rgba(255,77,94,.35);background:rgba(255,77,94,.08)}
.warn-text{color:#ffcf66}
.share{display:flex;gap:8px;align-items:center}
.share input{font-family:ui-monospace,Menlo,monospace;font-size:12px;min-width:0;flex:1}
.acct-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-start}
.acct-actions form{margin:0}
details.more summary{list-style:none}details.more summary::-webkit-details-marker{display:none}
details.more[open]{flex-basis:100%}
.more-body{margin-top:10px;padding:12px;border:1px solid var(--line);border-radius:10px;background:#12151d;display:grid;gap:12px}
@media (max-width:560px){.share{flex-wrap:wrap}.share input{flex-basis:100%}.tag{display:none}}
.more-body .form button{align-self:flex-start}
/* ---- guide: drawn illustrations of the browser / DevTools ---- */
.step.g h2{margin-bottom:14px}
.g-row{display:grid;grid-template-columns:1.15fr 1fr;gap:18px;align-items:start}
@media (max-width:760px){.g-row{grid-template-columns:1fr}}
.g-text ol{margin:0}.g-text li{margin:8px 0;color:var(--text)}.g-text .hint{margin-top:12px}
.mock{background:#0f121a;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:11.5px;color:#c7cdd9;font-family:Inter,system-ui,sans-serif}
.mb-bar{display:flex;align-items:center;gap:6px;padding:8px 10px;background:#1a1f2b;border-bottom:1px solid var(--line)}
.mb-bar .dot{width:9px;height:9px;border-radius:50%;background:#3a4256}.mb-bar .url{margin-left:8px;flex:1;background:#0b0d12;border-radius:6px;padding:4px 8px;font-family:ui-monospace,Menlo,monospace;font-size:10.5px;color:#8b93a7}
.mb-body{padding:14px;min-height:150px}.mb-body.split{display:grid;grid-template-columns:minmax(0,.5fr) minmax(0,1.5fr);gap:10px;padding:10px}
@media (max-width:560px){.mb-body.split{grid-template-columns:1fr}.mock-page.dim{display:none}}
.mock-login{max-width:220px;margin:6px auto;background:#151a26;border:1px solid var(--line);border-radius:10px;padding:14px;text-align:center}
.ml-logo{font-weight:800;letter-spacing:2px;margin-bottom:12px}.ml-field{background:#0b0d12;border:1px solid var(--line);border-radius:6px;padding:7px;margin:6px 0;text-align:left;color:#6b7387}
.ml-btn{background:#2f7cf6;color:#fff;border-radius:6px;padding:7px;font-weight:700;margin-top:8px}.ml-note{color:var(--muted);font-size:10px;margin-top:8px}
.mock-page.dim{opacity:.35}.skel{height:10px;background:#3a4256;border-radius:4px;margin:8px 0}.w60{width:60%}.w40{width:40%}.w80{width:80%}
.mock-devtools{background:#12151d;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.dt-tabs{display:flex;gap:2px;background:#1a1f2b;border-bottom:1px solid var(--line);padding:0 4px;overflow:hidden}.dt-tabs span{padding:6px 8px;color:#8b93a7}.dt-tabs .on{color:#fff;border-bottom:2px solid var(--accent2)}
.dt-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr)}
.dt-tree{border-right:1px solid var(--line);padding:6px 0;min-width:0}.dt-h{padding:4px 8px;color:#6b7387;font-size:10px;text-transform:uppercase;letter-spacing:.8px}
.dt-i{padding:4px 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dt-i.sub{padding-left:22px}.dt-i.open{color:#fff}
.dt-i.hl,.dt-r.hl{background:rgba(57,197,255,.14);color:#fff;outline:1px solid rgba(57,197,255,.55);outline-offset:-1px;border-radius:4px}
.arrow{color:var(--accent);font-weight:700;margin-left:6px}
.dt-table{padding:4px 0}.dt-r{display:grid;grid-template-columns:minmax(80px,38%) minmax(0,1fr);gap:8px;padding:4px 8px;font-family:ui-monospace,Menlo,monospace;font-size:10.5px;white-space:nowrap;overflow:hidden}.dt-r span{overflow:hidden;text-overflow:ellipsis}
.dt-r.h{color:#6b7387;font-family:Inter,system-ui,sans-serif;border-bottom:1px solid var(--line)}
.dt-table.big .dt-r{grid-template-columns:130px 1fr;font-size:11px;padding:7px 10px}.dt-r.sel{background:rgba(57,197,255,.14);outline:1px solid rgba(57,197,255,.55);outline-offset:-1px;color:#fff}
.mock.devtools-only{padding:6px}.dt-preview{margin:8px 4px 4px;border:1px solid var(--line);border-radius:8px;background:#0b0d12}
.dt-ph{display:flex;justify-content:space-between;padding:6px 10px;border-bottom:1px solid var(--line);color:#8b93a7;font-size:10.5px}.dt-ph .tag{color:var(--accent);font-weight:700}
.dt-pv{padding:10px;font-family:ui-monospace,Menlo,monospace;font-size:10.5px;line-height:1.5;color:#c7cdd9;word-break:break-all;background:rgba(57,197,255,.08)}