:root{
  color-scheme:dark;
  --bg:#08090c;
  --card:rgba(19,21,27,.86);
  --raised:#20232c;
  --soft:rgba(255,255,255,.06);
  --text:#fbfbfc;
  --muted:#a7a9b4;
  --line:rgba(255,255,255,.11);
  --line-strong:rgba(255,255,255,.2);
  --accent:#25f4ee;
  --accent-2:#fe2c55;
  --accent-soft:rgba(37,244,238,.12);
  --danger:#ff8b9d;
}
html[data-theme="light"]{
  color-scheme:light;
  --bg:#f3f5f8;
  --card:rgba(255,255,255,.88);
  --raised:#fff;
  --soft:rgba(24,29,40,.055);
  --text:#1a1d24;
  --muted:#68707e;
  --line:rgba(24,29,40,.1);
  --line-strong:rgba(24,29,40,.18);
  --accent:#008f87;
  --accent-2:#df3154;
  --accent-soft:rgba(0,143,135,.1);
  --danger:#c52848;
}
*{box-sizing:border-box}
html{min-width:320px;min-height:100%;background:var(--bg)}
[hidden]{display:none!important}
body{
  min-height:100vh;
  min-height:100dvh;
  margin:0;
  overflow:hidden auto;
  color:var(--text);
  background:
    radial-gradient(circle at 12% 4%,rgba(37,244,238,.13),transparent 28rem),
    radial-gradient(circle at 90% 88%,rgba(254,44,85,.12),transparent 30rem),
    var(--bg);
  font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;
}
button,input{font:inherit}
button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.login-glow{position:fixed;z-index:-1;width:420px;height:420px;border-radius:50%;filter:blur(100px);opacity:.11;pointer-events:none}
.login-glow-left{top:-260px;left:-170px;background:#25f4ee}
.login-glow-right{right:-220px;bottom:-260px;background:#fe2c55}
.login-shell{display:grid;place-items:center;min-height:100vh;min-height:100dvh;padding:70px 20px 38px}
.login-card{
  width:min(440px,100%);
  padding:clamp(28px,5vw,44px);
  border:1px solid var(--line);
  border-radius:28px;
  background:var(--card);
  box-shadow:0 30px 90px rgba(0,0,0,.32);
  text-align:center;
  backdrop-filter:blur(28px) saturate(1.12);
}
html[data-theme="light"] .login-card{box-shadow:0 30px 80px rgba(35,42,58,.14)}
.brand-mark{
  display:grid;
  place-items:center;
  width:66px;
  height:66px;
  margin:0 auto 20px;
  overflow:hidden;
  border:1px solid var(--line-strong);
  border-radius:21px;
  background:#101116;
  box-shadow:-6px 8px 28px rgba(37,244,238,.16),6px -6px 26px rgba(254,44,85,.16);
}
.brand-mark img{display:block;width:100%;height:100%;object-fit:cover}
.eyebrow{margin:0 0 10px;color:var(--accent);font-size:10px;font-weight:800;letter-spacing:.18em}
h1{margin:0;font-size:clamp(28px,7vw,38px);line-height:1.12;letter-spacing:-.045em}
.login-intro{margin:12px 0 28px;color:var(--muted);font-size:13px;line-height:1.65}
form{display:grid;gap:14px;text-align:left}
.login-field{display:grid;gap:7px;color:var(--muted);font-size:11px;font-weight:650}
.login-field>input,.password-control{
  min-height:52px;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--soft);
  transition:border-color 160ms ease,background 160ms ease,box-shadow 160ms ease;
}
.login-field>input{width:100%;padding:0 15px;color:var(--text);outline:0}
.password-control{display:grid;grid-template-columns:minmax(0,1fr) 46px;align-items:center}
.password-control:focus-within,.login-field>input:focus{border-color:color-mix(in srgb,var(--accent) 55%,transparent);background:var(--raised);box-shadow:0 0 0 4px var(--accent-soft)}
.password-control input{width:100%;height:50px;padding:0 0 0 15px;border:0;outline:0;background:transparent;color:var(--text)}
.password-control button{display:grid;place-items:center;width:38px;height:38px;padding:0;border:0;border-radius:11px;background:transparent;color:var(--muted);cursor:pointer}
.password-control button:hover{background:var(--soft);color:var(--text)}
.password-control svg,.privacy-note svg,.login-submit svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.password-control svg{grid-area:1/1;width:19px;height:19px}
.eye-closed{display:none}
.password-control button.is-visible .eye-open{display:none}
.password-control button.is-visible .eye-closed{display:block}
.login-message{min-height:18px;margin:-2px 0 0;color:var(--danger);font-size:11px;line-height:1.5;text-align:center}
.login-submit{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:52px;
  margin-top:1px;
  padding:0 18px;
  border:0;
  border-radius:14px;
  background:linear-gradient(135deg,var(--accent),color-mix(in srgb,var(--accent) 70%,#fff) 58%,color-mix(in srgb,var(--accent-2) 42%,var(--accent)));
  color:#06110f;
  font-weight:800;
  cursor:pointer;
  box-shadow:0 14px 34px rgba(37,244,238,.14);
  transition:transform 160ms ease,filter 160ms ease;
}
.login-submit svg{width:19px;height:19px}
.login-submit:hover{filter:brightness(1.06);transform:translateY(-1px)}
.login-submit:disabled{opacity:.55;cursor:wait;transform:none}
.privacy-note{display:flex;align-items:center;justify-content:center;gap:7px;margin:22px 0 0;color:var(--muted);font-size:10px}
.privacy-note svg{width:15px;height:15px}
.setup-notice{display:grid;gap:5px;margin:0 0 20px;padding:13px 14px;border:1px solid color-mix(in srgb,var(--accent-2) 28%,transparent);border-radius:13px;background:color-mix(in srgb,var(--accent-2) 9%,transparent);font-size:11px;line-height:1.5;text-align:left}
.setup-notice span{color:var(--muted)}
.theme-toggle{
  position:fixed;
  top:max(18px,env(safe-area-inset-top));
  right:max(18px,env(safe-area-inset-right));
  z-index:2;
  display:grid;
  place-items:center;
  width:44px;
  height:44px;
  padding:0;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--card);
  color:var(--muted);
  cursor:pointer;
  line-height:0;
  backdrop-filter:blur(20px);
}
.theme-toggle:hover{border-color:color-mix(in srgb,var(--accent) 42%,transparent);color:var(--accent)}
.theme-icon{position:absolute;top:50%;left:50%;width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;transform:translate(-50%,-50%);pointer-events:none}
.theme-icon-sun{display:none}
html[data-theme="light"] .theme-icon-moon{display:none}
html[data-theme="light"] .theme-icon-sun{display:block}
@media(max-width:520px){
  .login-shell{align-items:start;padding:88px 14px 24px}
  .login-card{padding:28px 20px;border-radius:22px}
  .brand-mark{width:58px;height:58px;border-radius:18px}
  .theme-toggle{top:max(12px,env(safe-area-inset-top));right:max(12px,env(safe-area-inset-right));width:42px;height:42px}
}
@media(prefers-reduced-motion:reduce){*{transition-duration:.01ms!important}}