:root{
  --bg:#0B0D10;--panel:#12161B;--panel-2:#171C22;--line:#232A32;--line-2:#1A2027;
  --text:#E6E8EB;--muted:#8D97A3;--dim:#5E6873;--accent:#4FD1A5;--accent-2:#2FB589;--accent-bg:#0F1F19;--accent-line:#1E3A2F;
  --warn-bg:#1C190F;--warn-line:#4A3D13;--warn-text:#F1D98A;
  --err-bg:#1D1010;--err-line:#4A1D1D;--err-text:#FFB3B3;
  --ok-bg:#0F1A15;--ok-line:#1F3B31;--ok-text:#B6EAD6;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 Manrope,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;min-height:100%}
body{display:flex;flex-direction:column;min-height:100vh}
a{color:var(--accent)}
button{font:inherit}
input::placeholder{color:var(--dim)}
.hidden{display:none !important}

/* header */
header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;padding:22px 48px;border-bottom:1px solid var(--line-2)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:800;font-size:18px;letter-spacing:.2px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 18px var(--accent)}
.nav{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:600}
.nav a{color:var(--muted);text-decoration:none}
.nav a:hover{color:var(--text)}
.tag{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--muted)}
select.lang{appearance:none;-webkit-appearance:none;cursor:pointer;background:var(--panel-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238D97A3' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center;border:1px solid var(--line);border-radius:999px;color:var(--text);font:inherit;font-size:13px;font-weight:600;padding:7px 30px 7px 12px;min-height:34px;outline:none}
select.lang:focus{border-color:var(--accent)}
select.lang option{background:#12161B;color:#E6E8EB}
.doc [data-lang-fallback-note]{margin-bottom:20px}

/* layout */
main{flex:1;width:100%}
.hero{max-width:1180px;margin:0 auto;padding:56px 48px 40px;display:flex;flex-wrap:wrap;gap:64px;align-items:flex-start}
.copy{flex:1 1 380px;min-width:0;display:flex;flex-direction:column;gap:24px;padding-top:8px}
.pill{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--accent);background:var(--accent-bg);border:1px solid var(--accent-line);border-radius:999px;padding:6px 12px}
h1{margin:0;font-size:52px;line-height:1.05;font-weight:800;letter-spacing:-1.2px}
.lead{margin:0;font-size:18px;line-height:1.55;color:var(--muted);max-width:460px}
.facts{list-style:none;padding:0;margin:8px 0 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.facts li{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px;display:flex;flex-direction:column;gap:4px}
.facts b{font-size:26px;font-weight:800;letter-spacing:-.5px}
.facts span{font-size:13px;color:var(--muted)}
.checks{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:12px;font-size:15px;color:#B7BFC8}
.checks li{display:flex;gap:12px;align-items:flex-start}
.checks svg{flex:none;margin-top:3px}
.steps{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:14px}
.steps li{display:flex;gap:14px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:15px;line-height:1.45}
.steps i{flex:none;width:28px;height:28px;border-radius:8px;background:var(--accent-bg);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;font-style:normal}
.steps span{color:var(--muted)}.steps b{color:var(--text)}

.card{flex:1 1 420px;max-width:520px;min-width:0;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:28px;display:flex;flex-direction:column;gap:18px;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.card h2{margin:0;font-size:20px;font-weight:700}
.card .sub{margin:2px 0 0;font-size:14px;color:var(--muted)}
.center{display:flex;align-items:center;justify-content:center;padding:48px 24px;min-height:100%}
.center .card{flex:none;width:100%;max-width:480px;padding:32px;gap:20px}
.icon-lg{width:56px;height:56px;border-radius:16px;background:var(--accent-bg);border:1px solid var(--accent-line);display:flex;align-items:center;justify-content:center}
.center h1{font-size:26px;letter-spacing:-.4px}
.center .lead{font-size:15px}

/* dropzone + file */
.drop{all:unset;box-sizing:border-box;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:200px;border:1.5px dashed #2E3843;border-radius:16px;background:var(--panel-2);text-align:center;padding:24px;transition:.15s}
.drop:hover,.drop.over,.drop:focus-visible{border-color:var(--accent);background:#162019}
.drop .ico{width:52px;height:52px;border-radius:14px;background:var(--accent-bg);border:1px solid var(--accent-line);display:flex;align-items:center;justify-content:center}
.drop strong{font-size:16px;font-weight:700}
.drop span{font-size:13px;color:var(--muted)}
.file{display:flex;align-items:center;gap:12px;background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.file .ext{flex:none;width:40px;height:40px;border-radius:10px;background:#1F2A24;color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;letter-spacing:.5px}
.file .meta{min-width:0;flex:1;display:flex;flex-direction:column}
.file .name{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file .size{font-size:13px;color:var(--muted)}

/* form */
label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:8px}
label small{font-weight:400}
.row{display:flex;gap:8px}
input[type=text],input[type=password]{width:100%;min-width:0;background:#0E1115;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:14px;font-size:15px;font-family:var(--mono);outline:none}
input:focus{border-color:var(--accent)}
input.pin{font-size:22px;letter-spacing:6px;padding:16px}
input[readonly]{color:var(--text)}
.hint{font-size:12px;color:var(--muted);margin:8px 0 0}
.btn{all:unset;box-sizing:border-box;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;height:52px;border-radius:12px;background:var(--accent);color:#06130E;font-size:16px;font-weight:800;text-decoration:none;padding:0 18px}
.btn:hover{background:var(--accent-2)}
.btn:disabled,.btn[aria-disabled=true]{opacity:.45;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line);font-weight:600;font-size:14px;height:auto;min-height:48px;padding:0 16px}
.btn.ghost:hover{background:var(--panel-2)}
.btn.block{width:100%}
.btn.sm{height:auto;min-height:48px;font-size:14px}
.actions{display:flex;gap:10px}
.actions .btn{flex:1;height:50px;font-size:15px}
.progress{height:8px;background:#0E1115;border-radius:99px;overflow:hidden;border:1px solid var(--line)}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),#7CC4FF);transition:width .2s}
.status{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:-8px}
.notice{display:flex;gap:12px;align-items:flex-start;border-radius:12px;padding:12px 14px;font-size:13px;line-height:1.45;border:1px solid}
.notice svg{flex:none;margin-top:1px}
.notice.warn{border-color:var(--warn-line);background:var(--warn-bg);color:var(--warn-text)}
.notice.err{border-color:var(--err-line);background:var(--err-bg);color:var(--err-text)}
.notice.ok{border-color:var(--ok-line);background:var(--ok-bg);color:var(--ok-text)}
.mini{display:flex;align-items:center;justify-content:center;gap:8px;font-size:12px;color:var(--dim)}
.facts.sm{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0}
.facts.sm li{background:var(--panel-2);padding:12px;text-align:center;align-items:center;gap:2px}
.facts.sm b{font-size:17px}.facts.sm span{font-size:12px}
.gone{text-align:center;align-items:center;background:transparent;border:0;box-shadow:none;padding:0}
.gone .icon-lg{width:72px;height:72px;border-radius:22px;background:var(--panel);border-color:var(--line)}
.gone h1{font-size:30px}

/* footer */
footer{padding:20px 48px;border-top:1px solid var(--line-2);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--dim)}
footer .links{display:flex;gap:20px}
footer a{color:var(--dim);text-decoration:none}
footer a:hover{color:var(--muted)}

@media (max-width:720px){
  header,footer{padding:16px 20px}
  .nav{gap:12px}.nav a{display:none}
  .hero{padding:28px 20px 24px;gap:28px}
  h1{font-size:32px;letter-spacing:-.8px}
  .lead{font-size:15px}
  .facts b{font-size:18px}.facts li{padding:12px 10px}
  .checks{display:none}
  .card{padding:20px;border-radius:16px;box-shadow:none}
  .center{padding:24px 16px}
  .center .card{padding:22px}
  .drop{min-height:160px}
  footer{justify-content:center;text-align:center}
}

/* text pages */
.doc{max-width:760px;margin:0 auto;padding:56px 48px 64px}
.doc .pill{margin-bottom:18px}
.doc h1{font-size:40px;margin-bottom:10px}
.doc .lead{max-width:none;margin-bottom:28px}
.doc h2{font-size:22px;font-weight:800;letter-spacing:-.3px;margin:36px 0 10px}
.doc h3{font-size:16px;font-weight:700;margin:22px 0 6px}
.doc p,.doc li{color:#B7BFC8;line-height:1.65}
.doc ul,.doc ol{padding-left:22px;margin:8px 0}
.doc li+li{margin-top:6px}
.doc code{font-family:var(--mono);font-size:13px;background:#0E1115;border:1px solid var(--line);border-radius:6px;padding:2px 6px;color:var(--text)}
.doc pre{background:#0E1115;border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow:auto;font-family:var(--mono);font-size:13px;line-height:1.6;color:var(--text);margin:12px 0 18px}
.doc pre code{background:none;border:0;padding:0}
.doc table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0 18px}
.doc th,.doc td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top;color:#B7BFC8}
.doc th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.8px}
.doc td code{white-space:nowrap}
.doc .grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:14px 0}
.doc .tile{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}
.doc .tile h3{margin:0 0 6px}
.doc .tile p{margin:0;font-size:14px}
.doc .meta{font-size:13px;color:var(--dim);margin-top:40px;padding-top:16px;border-top:1px solid var(--line-2)}
.method{display:inline-block;font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.5px;border-radius:6px;padding:3px 7px;margin-right:8px;background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-line)}
.method.put{background:#1A1F2E;color:#8FB4FF;border-color:#27345A}
.method.get{background:#1F1A2E;color:#C7A8FF;border-color:#3A2B5E}
.status-list{list-style:none;padding:0;margin:18px 0;display:flex;flex-direction:column;gap:10px}
.status-list li{display:flex;align-items:center;justify-content:space-between;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px;font-weight:600}
.status-list .st{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.status-list .st i{width:10px;height:10px;border-radius:50%;background:var(--dim)}
.status-list .st.up{color:var(--accent)}.status-list .st.up i{background:var(--accent);box-shadow:0 0 12px var(--accent)}
.status-list .st.fail{color:var(--err-text)}.status-list .st.fail i{background:#FF6B6B}
.banner{display:flex;align-items:center;gap:14px;border-radius:16px;padding:20px 22px;border:1px solid var(--line);background:var(--panel);font-size:18px;font-weight:800}
.banner.up{border-color:var(--accent-line);background:var(--accent-bg);color:var(--accent)}
.banner.fail{border-color:var(--err-line);background:var(--err-bg);color:var(--err-text)}
@media (max-width:720px){.doc{padding:28px 20px 40px}.doc h1{font-size:30px}.doc .grid{grid-template-columns:1fr}}