:root{
  --ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--bg:#f8fafc;--card:#ffffff;
  --brand:#4f46e5;--brand2:#0ea5e9;--brandsoft:#eef2ff;
  --warn:#b45309;--warnbg:#fffbeb;--warnline:#fcd34d;
  --bad:#b91c1c;--badbg:#fef2f2;--badline:#fca5a5;
  --ok:#047857;--okbg:#ecfdf5;--okline:#6ee7b7;
  --r:16px;--shadow:0 1px 2px rgba(15,23,42,.04),0 8px 24px -12px rgba(15,23,42,.12)
}
*{box-sizing:border-box}
html{-webkit-font-smoothing:antialiased}
body{margin:0;font:15px/1.55 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Inter",Helvetica,Arial,sans-serif;color:var(--ink);
  background:radial-gradient(1200px 500px at 10% -10%,#e0e7ff 0,transparent 60%),radial-gradient(900px 400px at 100% 0,#e0f2fe 0,transparent 55%),var(--bg);min-height:100vh}
.top{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:14px 32px;
  background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid rgba(226,232,240,.8)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand .sub{font-weight:500;color:var(--muted);font-size:14px;letter-spacing:0}
.logo{display:grid;place-items:center;min-width:30px;padding:0 6px;height:30px;border-radius:9px;color:#fff;font-size:16px;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 6px 16px -6px var(--brand)}
.who{display:flex;align-items:center;gap:8px;font-size:13px}
.pill{background:#f1f5f9;border:1px solid var(--line);border-radius:999px;padding:4px 12px;color:var(--muted)}
.notice{display:flex;align-items:center;gap:8px;justify-content:center;padding:8px 20px;font-size:12.5px;color:#3730a3;background:rgba(238,242,255,.8);border-bottom:1px solid #e0e7ff}
.notice .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(79,70,229,.15)}
main{max-width:1240px;margin:0 auto;padding:28px 24px}
.hidden{display:none!important}

/* landing */
.landing{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center;padding:48px 0 32px}
.eyebrow{display:inline-block;margin:0 0 16px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);background:var(--brandsoft);padding:5px 12px;border-radius:999px}
h1{font-size:clamp(34px,4.6vw,56px);line-height:1.05;letter-spacing:-.035em;margin:0 0 18px;font-weight:800}
.grad{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:18px;color:#475569;max-width:560px;margin:0 0 26px}
.proof{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.proof li{position:relative;padding-left:30px;color:#475569}
.proof li::before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;background:var(--okbg);border:1px solid var(--okline)}
.proof li::after{content:"";position:absolute;left:6px;top:7px;width:5px;height:8px;border:solid var(--ok);border-width:0 2px 2px 0;transform:rotate(45deg)}
.proof b{color:var(--ink)}
.glass{background:rgba(255,255,255,.8);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.signin{padding:30px}
.stack{display:grid;gap:12px}
.how{list-style:none;padding:18px 0 0;margin:18px 0 0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:13px;color:var(--muted)}
.how span{display:inline-grid;place-items:center;width:20px;height:20px;margin-right:8px;border-radius:6px;background:var(--brandsoft);color:var(--brand);font-weight:700;font-size:11px}
@media (max-width:900px){.landing{grid-template-columns:1fr;gap:28px;padding-top:20px}}

/* app */
.steps{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 20px;font-size:12.5px;font-weight:600;color:var(--muted)}
.steps span{padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--line)}
.grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:22px;align-items:start}
.side{position:sticky;top:84px}
@media (max-width:960px){.grid{grid-template-columns:minmax(0,1fr)}.side{position:static}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;margin-bottom:22px;box-shadow:var(--shadow)}
h2{display:flex;align-items:center;gap:10px;margin:0 0 12px;font-size:17px;font-weight:700;letter-spacing:-.01em}
h2 .n{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:var(--brandsoft);color:var(--brand);font-size:12px}
h3{font-size:14px;margin:22px 0 10px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.head-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.head-row h2{margin:0}
.muted{color:var(--muted);font-size:14px;margin:0 0 14px}
.row{display:flex;gap:10px;flex-wrap:wrap}
input[type=password],input[inputmode]{width:100%;padding:11px 14px;border:1px solid #cbd5e1;border-radius:11px;font:inherit;background:#fff;margin-top:6px;transition:border-color .15s,box-shadow .15s}
input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(79,70,229,.15)}
label{display:block;font-size:13.5px;font-weight:600;color:#334155;margin-bottom:14px}
label.check{display:flex;gap:10px;align-items:center;font-weight:500;padding:10px 12px;border:1px solid var(--line);border-radius:11px;cursor:pointer}
label.check:hover{background:#f8fafc}
input[type=checkbox]{width:17px;height:17px;accent-color:var(--brand)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:520px){.two{grid-template-columns:1fr}}
button{font:inherit;font-size:14px;font-weight:600;border-radius:11px;padding:10px 18px;cursor:pointer;border:1px solid transparent;background:var(--ink);color:#fff;transition:transform .08s,box-shadow .15s,background .15s}
button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:default}
button:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(79,70,229,.25)}
button.primary{background:linear-gradient(135deg,var(--brand),#6366f1);box-shadow:0 8px 20px -10px var(--brand)}
button.primary:hover{box-shadow:0 10px 24px -8px var(--brand)}
button.wide{width:100%}
button.secondary{background:#fff;color:var(--ink);border-color:#cbd5e1}button.secondary:hover{background:#f1f5f9}
button.small{padding:6px 12px;font-size:13px}
button.ghost{background:none;color:var(--muted);padding:4px 8px}button.ghost:hover{color:var(--ink)}
.drop{border:1.5px dashed #a5b4fc;border-radius:14px;padding:34px 20px;text-align:center;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--muted);background:linear-gradient(180deg,#fafaff,#f5f7ff);transition:all .15s;font-weight:500}
.drop:hover,.drop.over{border-color:var(--brand);background:#eef2ff}
.drop strong{color:var(--ink);font-size:15px}
.drop-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:#fff;color:var(--brand);box-shadow:var(--shadow);margin-bottom:8px}
.drop input{display:none}
.progress{height:6px;background:#e2e8f0;border-radius:999px;margin-top:14px;overflow:hidden}
.progress div{height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--brand2));transition:width .2s}
.msg{min-height:1.2em;margin:10px 0 0;font-size:13.5px;color:var(--muted)}
.msg.err{color:var(--bad)}
.box{border-radius:12px;padding:14px 16px;margin-top:14px;font-size:14px;border:1px solid}
.box.ok{background:var(--okbg);border-color:var(--okline);color:#065f46}
.box.warn{background:var(--warnbg);border-color:var(--warnline);color:#78350f;border-left:4px solid #f59e0b}
.box.err{background:var(--badbg);border-color:var(--badline);color:var(--bad);border-left:4px solid var(--bad)}
.facts{display:flex;gap:26px;flex-wrap:wrap;margin-top:10px}.facts .muted{font-size:12px;margin:0}.facts b{display:block;font-size:20px;letter-spacing:-.02em;color:var(--ink)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid #f1f5f9;vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em}
.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;font-feature-settings:"tnum"}
tr.sec td{background:#f8fafc;font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--brand)}
tbody tr:hover td{background:#fafbff}
tr.flagged td{background:var(--warnbg)}
.tag{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;margin-left:8px;vertical-align:1px}
.tag.warn{background:#fef3c7;color:var(--warn)}
.scroll{max-height:560px;overflow:auto;border:1px solid var(--line);border-radius:12px}.scroll th{position:sticky;top:0;background:#fff;z-index:1}
.res td:first-child{width:65%}
.res tr.total td{font-weight:700;font-size:15px;border-top:1px solid #cbd5e1;background:#fafbff}
.res tr.sub td:first-child{padding-left:28px;color:#475569}
ul.flags{margin:8px 0 0;padding-left:20px}
.history{list-style:none;margin:0;padding:0}
.history li{display:flex;justify-content:space-between;align-items:center;padding:12px 4px;border-bottom:1px solid #f1f5f9;font-size:14px}
.history li:last-child{border-bottom:0}
.history li span.muted{margin:0}
footer{text-align:center;color:var(--muted);font-size:12px;padding:28px}
code{background:#f1f5f9;padding:2px 6px;border-radius:6px;font-size:.9em}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* mobile */
@media (max-width:640px){
  .top{padding:10px 16px}.brand .sub{display:none}
  .notice{font-size:12px;padding:8px 14px;text-align:left}
  main{padding:18px 14px}
  .landing{padding:12px 0 8px}.lede{font-size:16px}
  .signin,.card{padding:18px;border-radius:14px}
  .how{grid-template-columns:1fr}
  .steps{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:4px}
  .steps span{white-space:nowrap}
  input[type=password],input[inputmode]{font-size:16px;padding:12px 14px}
  button{min-height:44px}
  .row button{flex:1 1 100%}
  .drop{padding:26px 14px}
  .scroll{max-height:none;border-radius:10px}
  th,td{padding:9px 8px}
  .res td:first-child{width:auto}
  .facts{gap:16px}
  .history li{gap:10px}
}

.grid>div,.card{min-width:0}
.beta{margin:12px 0 0;padding:10px 12px;border-radius:10px;background:var(--warnbg);border:1px solid var(--warnline);color:#78350f;font-size:13.5px}
@media (max-width:640px){
  input[type=checkbox]{width:22px;height:22px}
  label.check{min-height:48px}
  button.ghost,button.small{min-height:44px;min-width:44px;padding:8px 14px}
  .history li button{flex:none}
}