:root{
  --bg:#07070d; --card:rgba(255,255,255,.05); --line:rgba(255,255,255,.09);
  --txt:#eef0ff; --muted:#9aa0b5; --acc:#7c5cff; --acc2:#00e5ff;
  --r:24px; --shadow:0 30px 70px rgba(0,0,0,.55);
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:'Space Grotesk',system-ui,sans-serif; color:var(--txt);
  background:var(--bg); min-height:100vh; overflow-x:hidden; padding:56px 20px 40px;
  transition:background .5s ease,color .5s ease;
}
body.light{--bg:#f2f4ff; --card:rgba(255,255,255,.75); --line:rgba(10,10,30,.1);
  --txt:#141428; --muted:#5b6076; --shadow:0 30px 70px rgba(30,30,80,.18)}
.bg-orb{position:fixed;border-radius:50%;filter:blur(90px);opacity:.55;z-index:0;animation:float 14s ease-in-out infinite alternate}
.orb-a{width:420px;height:420px;background:radial-gradient(circle,#7c5cff,transparent 70%);top:-120px;left:-100px}
.orb-b{width:380px;height:380px;background:radial-gradient(circle,#00e5ff,transparent 70%);bottom:-140px;right:-90px;animation-delay:-6s}
@keyframes float{to{transform:translate3d(40px,50px,0) scale(1.15)}}

.wrap{position:relative;z-index:1;max-width:640px;margin:0 auto}
.head{text-align:center;margin-bottom:34px;animation:up .7s cubic-bezier(.2,.8,.2,1) both}
.pill{display:inline-block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  padding:7px 16px;border:1px solid var(--line);border-radius:99px;background:var(--card);color:var(--acc2)}
h1{font-size:clamp(34px,7vw,54px);font-weight:700;letter-spacing:-.02em;margin:16px 0 10px}
h1 span{background:linear-gradient(90deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.head p{color:var(--muted);font-size:15px}
@keyframes up{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}

.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;backdrop-filter:blur(18px);box-shadow:var(--shadow);
  animation:up .7s .12s cubic-bezier(.2,.8,.2,1) both}
.panel-top{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px}
.panel-top h2{font-size:19px}
.muted{color:var(--muted);font-size:13px}
.ring{font-variant-numeric:tabular-nums;font-weight:700;font-size:15px;padding:9px 15px;border-radius:14px;
  background:linear-gradient(135deg,var(--acc),var(--acc2));color:#0a0a14}

.rows{list-style:none;display:grid;gap:12px}
.row{display:flex;align-items:center;gap:14px;padding:15px 16px;border-radius:18px;
  background:rgba(255,255,255,.03);border:1px solid transparent;transition:.35s cubic-bezier(.2,.8,.2,1)}
body.light .row{background:rgba(10,10,40,.04)}
.row:hover{border-color:var(--line);transform:translateX(5px)}
.row.on{border-color:rgba(124,92,255,.5);box-shadow:inset 0 0 30px rgba(124,92,255,.12)}
.ico{width:42px;height:42px;flex:none;display:grid;place-items:center;border-radius:14px;
  background:linear-gradient(135deg,rgba(124,92,255,.25),rgba(0,229,255,.18));transition:.35s}
.ico svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.row.on .ico{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#08080f;box-shadow:0 8px 22px rgba(124,92,255,.45)}
.txt{flex:1;min-width:0}
.txt strong{display:block;font-size:15px;font-weight:600}
.txt small{color:var(--muted);font-size:12.5px}

.switch{position:relative;width:60px;height:33px;flex:none;border:none;border-radius:99px;cursor:pointer;
  background:rgba(255,255,255,.14);transition:.4s cubic-bezier(.2,.8,.2,1)}
body.light .switch{background:rgba(10,10,40,.16)}
.switch i{position:absolute;top:4px;left:4px;width:25px;height:25px;border-radius:50%;background:#fff;
  transition:.45s cubic-bezier(.34,1.56,.64,1);box-shadow:0 4px 10px rgba(0,0,0,.35)}
.switch::after{content:"";position:absolute;inset:0;border-radius:99px;opacity:0;transition:.4s;
  background:linear-gradient(90deg,var(--acc),var(--acc2))}
.row.on .switch::after{opacity:1}
.row.on .switch i{left:31px;transform:scale(1.08)}
.switch:focus-visible{outline:2px solid var(--acc2);outline-offset:3px}

.panel-foot{display:flex;align-items:center;gap:10px;margin-top:20px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:#2ef2a0;box-shadow:0 0 0 0 rgba(46,242,160,.6);animation:pulse 1.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 12px rgba(46,242,160,0)}100%{box-shadow:0 0 0 0 rgba(46,242,160,0)}}
.ghost{margin-left:auto;padding:9px 18px;border-radius:12px;border:1px solid var(--line);
  background:transparent;color:var(--txt);font-family:inherit;font-size:13px;cursor:pointer;transition:.3s}
.ghost:hover{background:linear-gradient(90deg,var(--acc),var(--acc2));color:#08080f;border-color:transparent;transform:translateY(-2px)}

@media (max-width:640px){
  body{padding:34px 14px 30px}
  .panel{padding:18px}
  .row{padding:13px;gap:11px}
  .switch{width:54px;height:30px}
  .row.on .switch i{left:27px}
  .switch i{width:22px;height:22px}
  .ico{width:38px;height:38px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition-duration:.01ms!important}}