:root{--bg:#fbfbfd;--bg2:#fff;--ink:#141a2b;--ink2:#4b5266;--muted:#8a90a6;--line:#ecedf5;
  --card:#fff;--brand:#6d5efc;--brand2:#8b5cf6;--ok:#248a3d;--err:#d70015;--radius:18px;
  --shadow:0 8px 30px rgba(20,26,43,.06);--maxw:960px;--nav:rgba(251,251,253,.8);--blur:saturate(180%) blur(20px)}
@media (prefers-color-scheme:dark){:root{--bg:#0b0e18;--bg2:#0f1322;--ink:#eef0f8;--ink2:#b9bed0;--muted:#7e849b;
  --line:#20263c;--card:#111528;--shadow:0 8px 30px rgba(0,0,0,.5);--nav:rgba(11,14,24,.7)}}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,sans-serif;background:var(--bg);
  color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .4s}
a{color:var(--brand);text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}.muted{color:var(--muted)}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1.35rem;border-radius:12px;font-weight:600;
  font-size:.93rem;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(90deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 10px 24px rgba(109,94,252,.3)}
.btn-ghost{background:var(--card);border-color:var(--line);color:var(--ink)}.btn-block{display:flex;width:100%;justify-content:center}
.btn-sm{padding:.45rem .9rem;font-size:.85rem}.btn-lg{padding:.85rem 1.8rem;font-size:1.02rem}
.site-nav{position:sticky;top:0;z-index:50;background:var(--nav);backdrop-filter:var(--blur);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{font-weight:800;font-size:1.2rem;color:var(--ink)}.brand span{color:var(--brand)}
.nav-links{display:flex;gap:1.2rem;align-items:center;flex-wrap:wrap}.nav-links a{color:var(--ink);font-size:.9rem;opacity:.88}
.hero{text-align:center;padding:80px 0 50px;position:relative;overflow:hidden}
.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(80px);opacity:.4;z-index:-1;animation:fl 15s ease-in-out infinite}
.hero:before{width:380px;height:380px;background:#8b5cf6;top:-120px;left:-40px}.hero:after{width:340px;height:340px;background:#38bdf8;top:-80px;right:-40px;animation-delay:-6s}
@keyframes fl{0%,100%{transform:translate(0,0)}50%{transform:translate(24px,-18px)}}
.hero h1{font-size:clamp(2.4rem,6vw,4rem);font-weight:900}
.hero .grad{background:linear-gradient(90deg,var(--brand),#38bdf8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--ink2);font-size:1.15rem;max-width:560px;margin:1rem auto 0}
.hero .cta{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;margin-top:1.6rem}
.url-pill{margin-top:1.4rem;display:inline-flex;gap:.3rem;background:var(--card);border:1px solid var(--line);
  padding:.5rem 1rem;border-radius:999px;font-family:ui-monospace,monospace}.url-pill b{color:var(--brand)}
.section{padding:56px 0}.section h2{text-align:center;font-size:clamp(1.6rem,3.5vw,2.2rem)}
.sub{text-align:center;color:var(--muted);max-width:560px;margin:.6rem auto 2rem}
.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}@media(max-width:760px){.grid-3{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.feature .ic{font-size:1.7rem}.feature h3{margin:.4rem 0 .2rem}
.auth-wrap{max-width:440px;margin:52px auto;padding:0 20px}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
label{display:block;font-weight:600;font-size:.85rem;margin:.9rem 0 .35rem}
input[type=text],input[type=email],input[type=password],input[type=url],select,textarea{width:100%;padding:.75rem 1rem;
  border:1px solid var(--line);border-radius:12px;font-size:1rem;font-family:inherit;background:var(--bg2);color:var(--ink)}
textarea{min-height:90px;resize:vertical}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 20%,transparent)}
.hint{font-size:.82rem;color:var(--muted);margin-top:.3rem}
.alert{padding:.75rem 1rem;border-radius:12px;margin:.6rem 0;font-size:.92rem}
.alert-err{background:color-mix(in srgb,var(--err) 12%,transparent);color:var(--err);border:1px solid color-mix(in srgb,var(--err) 30%,transparent)}
.alert-ok{background:color-mix(in srgb,var(--ok) 12%,transparent);color:var(--ok);border:1px solid color-mix(in srgb,var(--ok) 30%,transparent)}
.alert-info{background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand);border:1px solid color-mix(in srgb,var(--brand) 30%,transparent)}
.pw-rules{list-style:none;padding:0;margin:.4rem 0 0;font-size:.82rem;display:grid;grid-template-columns:1fr 1fr;gap:.1rem .8rem}
.pw-rules li.ok{color:var(--ok)}.pw-rules li.bad{color:var(--muted)}
.app{max-width:var(--maxw);margin:26px auto;padding:0 22px}
.app-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.app-head h1{font-size:1.5rem;margin:0}
.section-block{margin:22px 0}.section-block>h2{font-size:1.15rem;border-bottom:1px solid var(--line);padding-bottom:.5rem;margin-bottom:1rem}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:560px){.row{grid-template-columns:1fr}}
.repeat-item{border:1px solid var(--line);border-radius:12px;padding:14px;margin:.6rem 0;background:var(--bg2)}
.remove-btn{background:var(--bg2);border:1px solid var(--line);color:var(--err);border-radius:10px;padding:.3rem .7rem;cursor:pointer;font-size:.8rem}
.plat-row{display:flex;align-items:center;gap:10px;margin:.5rem 0}
.plat-ic{width:40px;height:40px;border-radius:10px;background:color-mix(in srgb,var(--brand) 12%,transparent);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.plat-row .lbl{width:120px;font-weight:600;font-size:.9rem;flex-shrink:0}@media(max-width:560px){.plat-row{flex-wrap:wrap}.plat-row .lbl{width:auto}}
.share-row{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}.copy-field{flex:1;min-width:220px;font-family:ui-monospace,monospace;background:var(--bg2)}
.proj-mini{display:flex;gap:12px;align-items:center;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--bg2);margin:.5rem 0}
.proj-mini .em{font-size:1.6rem}.proj-mini .pill{margin-left:auto;font-size:.72rem;padding:.2rem .6rem;border-radius:999px;background:color-mix(in srgb,var(--brand) 15%,transparent);color:var(--brand);font-weight:700}
.site-foot{border-top:1px solid var(--line);padding:34px 0;text-align:center;color:var(--muted);margin-top:50px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:.6rem 1.1rem;border-radius:12px;opacity:0;transition:.3s;z-index:100}
.toast.show{opacity:1}
.spin{display:inline-block;width:15px;height:15px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite;vertical-align:-3px}
@keyframes sp{to{transform:rotate(360deg)}}
.reveal{opacity:0;transform:translateY(18px);transition:.6s cubic-bezier(.2,.7,.2,1)}.reveal.in{opacity:1;transform:none}

/* Public link-in-bio page */
.bio{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:56px 20px 40px;color:var(--pink,#fff)}
.bio .av{width:104px;height:104px;border-radius:50%;overflow:hidden;border:3px solid rgba(255,255,255,.5);background:rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;font-size:2.4rem;font-weight:800}
.bio .av img{width:100%;height:100%;object-fit:cover}
.bio h1{margin-top:16px;font-size:1.7rem}.bio .bd{opacity:.85;text-align:center;max-width:460px;margin-top:6px}
.bio .socs{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:22px 0}
.bio .soc{width:46px;height:46px;border-radius:14px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;transition:transform .15s}
.bio .soc:hover{transform:translateY(-3px) scale(1.05)}
.bio .links{width:100%;max-width:520px;display:flex;flex-direction:column;gap:12px;margin-top:6px}
.bio .lnk{display:block;text-align:center;padding:16px;border-radius:14px;background:rgba(255,255,255,.14);color:inherit;font-weight:700;transition:transform .15s,background .2s;backdrop-filter:blur(4px)}
.bio .lnk:hover{transform:scale(1.02);background:rgba(255,255,255,.22)}
.bio .foot{margin-top:auto;padding-top:30px;opacity:.7;font-size:.82rem}
.bio .foot a{color:inherit;text-decoration:underline}