:root{--bg:#f6f8fc;--fg:#0b1730;--mut:#55627d;--card:#fff;--line:#e2e8f3;--brand:#2f70e7;--brand2:#14b8a6;--shadow:0 10px 30px rgba(20,40,90,.08);box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#070d1c;--fg:#eef3ff;--mut:#9aa8c7;--card:#0f1930;--line:#1e2c4d;--shadow:0 10px 30px rgba(0,0,0,.4);color-scheme:dark}}
:root[data-theme="dark"]{--bg:#070d1c;--fg:#eef3ff;--mut:#9aa8c7;--card:#0f1930;--line:#1e2c4d;--shadow:0 10px 30px rgba(0,0,0,.4);color-scheme:dark}
html{scroll-behavior:smooth;scroll-padding-top:env(safe-area-inset-top,0px)}
body{background:var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden}
.mut{color:var(--mut)}.card{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}
.btn{background:linear-gradient(135deg,var(--brand),#5b8cff);color:#fff;border-radius:999px;padding:.8rem 1.5rem;font-weight:600;transition:.2s;display:inline-block;border:0;cursor:pointer}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(47,112,231,.4)}
.btn2{border:1px solid var(--line);background:var(--card);color:var(--fg);border-radius:999px;padding:.8rem 1.5rem;font-weight:600;cursor:pointer}
.grad{background:linear-gradient(90deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero{background:radial-gradient(60% 50% at 80% 0%,rgba(47,112,231,.25),transparent),radial-gradient(40% 40% at 0% 30%,rgba(20,184,166,.18),transparent)}
.dash{stroke-dasharray:6 8;animation:d 3s linear infinite}@keyframes d{to{stroke-dashoffset:-56}}
.fl{animation:f 5s ease-in-out infinite}@keyframes f{50%{transform:translateY(-8px)}}
.rv{opacity:0;transform:translateY(20px);transition:.7s}.rv.on{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.dash,.fl{animation:none}.rv{opacity:1;transform:none;transition:none}}
input,textarea,select{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:.7rem 1rem;width:100%;color:var(--fg)}
dialog{background:var(--card);color:var(--fg);border:1px solid var(--line);border-radius:20px;max-width:720px;width:92%;max-height:85vh;padding:0}
dialog::backdrop{background:rgba(0,0,0,.55)}
.pp h4{font-weight:700;margin-top:1rem}.pp p,.pp li{color:var(--mut);font-size:.92rem;margin-top:.3rem}.pp ul{list-style:disc;padding-left:1.2rem}
.sw{position:relative;width:44px;height:24px;flex:none}.sw input{opacity:0;position:absolute;inset:0;width:100%;height:100%;cursor:pointer;z-index:2}.sw i{position:absolute;inset:0;background:var(--line);border-radius:99px;transition:.2s}.sw i:after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:.2s}.sw input:checked+i{background:var(--brand)}.sw input:checked+i:after{left:23px}.sw input:disabled{cursor:not-allowed}.sw input:disabled+i{opacity:.6}