:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
--font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
--surface-0: #0d1016;--surface-1: #11151c;--surface-2: #171c25;--surface-3: #1d2430;--border: #272f3c;
--text: #e0e6ef;--secondary: #b0bbca;--muted: #8491a5;--accent: #90b6ff;--success: #72cfa4;--warning: #e8bd79;--danger: #f19891;
--paper: var(--surface-0);--ink: var(--text);
color:var(--text);background:var(--surface-0);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;color-scheme:dark}
*{box-sizing:border-box}
html{height:100%}
body{margin:0;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;
padding:max(32px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(32px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));
background:radial-gradient(ellipse 60% 45% at 50% 42%,#90b6ff12,transparent 70%),var(--surface-0);font-family:var(--font);line-height:1.5}
.card{position:relative;display:flex;flex-direction:column;align-items:center;width:min(400px,100%);padding:40px 32px 32px;text-align:center;
border:1px solid var(--border);border-radius:16px;background:linear-gradient(180deg,var(--surface-2),var(--surface-1) 55%);box-shadow:0 1px 0 #ffffff0a inset,0 24px 64px #0007}
.card::before{content:"";position:absolute;inset:-1px 24% auto;height:1px;background:linear-gradient(90deg,transparent,#90b6ff80,transparent)}
.brand{display:inline-flex;align-items:center;gap:9px;color:var(--ink);font-size:22px;font-weight:650;letter-spacing:-1px;text-decoration:none}
.brand-mark{color:var(--accent)}
h1{margin:28px 0 0;font-size:26px;font-weight:600;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
.subtitle{margin-top:8px;color:var(--secondary);font-size:15px;line-height:1.55;text-wrap:balance}
.alert{margin-top:20px;width:100%;padding:12px 16px;border:1px solid #62403e;border-radius:8px;background:#241b1c;color:var(--danger);font-size:14px;line-height:1.6;text-align:left;overflow-wrap:anywhere}
form{width:100%;margin:28px 0 0}
.google-button{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;min-height:48px;padding:10px 16px;border:1px solid var(--accent);border-radius:8px;
background:var(--accent);color:#0a1730;font:inherit;font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;-webkit-tap-highlight-color:transparent;
box-shadow:0 6px 20px #90b6ff26;transition:background .2s,border-color .2s,box-shadow .2s,transform .2s}
.google-button:hover{background:#aac7ff;border-color:#aac7ff;box-shadow:0 8px 24px #90b6ff3d;transform:translateY(-1px)}
.google-button:active{transform:none}
.google-mark{display:inline-grid;place-items:center;width:24px;height:24px;flex-shrink:0;border-radius:999px;background:#fff}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.brand:hover{text-decoration:none}
button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.alt{margin-top:16px;font-size:14px}
.fine{margin-top:24px;padding-top:20px;width:100%;border-top:1px solid var(--border);color:var(--muted);font-size:13px;line-height:1.6;text-wrap:pretty}
.card>p:not([class]){margin-top:16px;color:var(--secondary)}
.links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 24px;font-size:13px}
.links a{color:var(--muted)}
.links a:hover{color:var(--secondary)}
::selection{background:#375580;color:var(--ink)}
@media (max-width: 480px){body{gap:20px}.card{padding:32px 22px 24px;border-radius:14px}h1{margin-top:24px;font-size:24px}form{margin-top:24px}}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}