:root{--bg:#0b0f1f;--fg:#e9edf7;--muted:rgba(233,237,247,.68);--accent1:#7c3aed;--accent2:#2563eb;--shadow:rgba(0,0,0,.45);}
html[data-theme="light"]{--bg:#f6f7fb;--fg:#0f1220;--muted:rgba(15,18,32,.62);--accent1:#6d28d9;--accent2:#1d4ed8;--shadow:rgba(15,18,32,.12);}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:radial-gradient(1200px 700px at 65% 8%,rgba(124,58,237,.35),transparent 60%),radial-gradient(900px 700px at 20% 95%,rgba(37,99,235,.22),transparent 55%),var(--bg);color:var(--fg);overflow-x:hidden}
.grain{position:fixed;inset:-40%;pointer-events:none;z-index:0;opacity:.08;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");background-size:240px 240px;mix-blend-mode:overlay;animation:grainMove 8s steps(10) infinite}
@keyframes grainMove{0%{transform:translate3d(0,0,0)}25%{transform:translate3d(4%,-3%,0)}50%{transform:translate3d(-3%,4%,0)}75%{transform:translate3d(3%,2%,0)}100%{transform:translate3d(0,0,0)}}
.gridbg{position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.14;background-image:linear-gradient(to right,rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.06) 1px,transparent 1px);background-size:72px 72px;mask-image:radial-gradient(900px 520px at 50% 50%,rgba(0,0,0,1),rgba(0,0,0,0))}

/* FULLSCREEN moving geometric shapes */
.shapes{position:fixed;inset:0;pointer-events:none;z-index:1;overflow:hidden}
.shape{
  position:absolute;
  width:var(--s,140px); height:var(--s,140px);
  top:var(--y,50vh);
  left:-30vw; /* start off-screen */
  opacity:.20;
  border:1px solid rgba(255,255,255,.18);
  background:linear-gradient(135deg,rgba(124,58,237,.20),rgba(37,99,235,.16));
  box-shadow:0 30px 90px rgba(37,99,235,.10);
  transform:translate3d(0,0,0);
  animation: drift var(--dur,28s) linear infinite;
  animation-delay: var(--d,0s);
  will-change: transform;
}
html[data-theme="light"] .shape{opacity:.14;border-color:rgba(15,18,32,.12);background:linear-gradient(135deg,rgba(124,58,237,.10),rgba(37,99,235,.08))}

/* variants */
.shape.v1{border-radius:22px}
.shape.v2{border-radius:999px}
.shape.v3{border-radius:18px; transform:rotate(45deg)}
.shape.v4{border-radius:28px}
.shape.v5{border-radius:14px}
.shape.v6{border-radius:26px}

@keyframes drift{
  0%{ transform: translate3d(0, -8px, 0) rotate(0deg); }
  50%{ transform: translate3d(130vw, 10px, 0) rotate(180deg); }
  100%{ transform: translate3d(260vw, -6px, 0) rotate(360deg); }
}

@media (prefers-reduced-motion: reduce){
  .grain,.shape{animation:none!important}
}

/* layout */
.wrap{position:relative;z-index:2;min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 16px 40px}
.topbar{position:fixed;top:14px;right:14px;left:14px;display:flex;justify-content:space-between;align-items:center;z-index:3}
.brand{display:flex;align-items:center;gap:10px;opacity:.92}
.mark{width:14px;height:14px;border-radius:5px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18)}
.brandName{font-weight:700;letter-spacing:.2px}
.iconbtn{appearance:none;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:var(--fg);border-radius:12px;padding:10px 14px;font-weight:700;cursor:pointer}
.card{width:min(860px,calc(100vw - 32px));border-radius:20px;border:1px solid rgba(255,255,255,.14);background:rgba(15,18,32,.30);box-shadow:0 30px 90px var(--shadow);backdrop-filter:blur(14px);padding:clamp(18px,3.5vw,28px)}
html[data-theme="light"] .card{background:rgba(255,255,255,.78)}
h1{margin:0 0 18px 0;font-size:clamp(22px,4.2vw,34px);text-align:center;letter-spacing:.2px}
.stack{display:grid;gap:14px}
.bigrow{display:grid;grid-template-columns:70px 1fr 130px;gap:14px;align-items:center;padding:clamp(12px,2.5vw,16px);border-radius:16px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.03)}
html[data-theme="light"] .bigrow{background:rgba(15,18,32,.03)}
.biglabel{color:var(--muted);font-weight:700;font-size:12px}
.bigvalue{font-size:clamp(20px,5.6vw,36px);font-weight:900;letter-spacing:.4px;direction:ltr;text-align:left;white-space:nowrap;overflow:auto;-webkit-overflow-scrolling:touch}
.copy{appearance:none;border:1px solid rgba(255,255,255,.28);border-radius:12px;padding:12px 16px;font-weight:900;cursor:pointer;color:#fff;background:linear-gradient(90deg,var(--accent1),var(--accent2));display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 14px 34px rgba(37,99,235,.25);text-shadow:0 1px 0 rgba(0,0,0,.28);min-height:44px}
.copy:hover{filter:brightness(1.08);border-color:rgba(255,255,255,.40)}.copy:active{transform:translateY(1px)}.ico{filter:drop-shadow(0 2px 6px rgba(0,0,0,.25))}
.details{margin-top:16px;border-top:1px solid rgba(255,255,255,.12);padding-top:14px}
.details summary{cursor:pointer;color:var(--muted);font-weight:700;list-style:none}
.details summary::-webkit-details-marker{display:none}
.details summary:after{content:"▾";float:right;opacity:.7}
.details[open] summary:after{content:"▴"}
.meta{margin-top:12px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.kv{border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:12px;background:rgba(255,255,255,.02)}
.k{color:var(--muted);font-weight:800;font-size:12px}
.v{margin-top:6px;font-weight:800;font-size:14px;overflow:auto}
.dot{opacity:.6;padding:0 6px}
.footer{margin-top:14px;color:rgba(233,237,247,.42);font-size:12px;display:flex;justify-content:space-between;width:min(860px,calc(100vw - 32px))}
html[data-theme="light"] .footer{color:rgba(15,18,32,.48)}.muted{opacity:.7}
.toast{position:fixed;left:14px;bottom:14px;background:rgba(20,22,28,.92);border:1px solid rgba(255,255,255,.10);color:var(--fg);padding:10px 12px;border-radius:12px;box-shadow:0 14px 40px rgba(0,0,0,.45);opacity:0;transform:translateY(10px);transition:opacity .18s ease,transform .18s ease;z-index:10;max-width:min(360px,calc(100vw - 28px))}
.toast.show{opacity:1;transform:translateY(0)}
@media (max-width:560px){.bigrow{grid-template-columns:1fr;gap:10px}.copy{width:100%}.meta{grid-template-columns:1fr}}