:root{--background:#f5f7fb;--foreground:#182230;--muted:#667085;--muted-2:#98a2b3;--card:#ffffff;--border:#e4e7ec;--border-strong:#d0d5dd;--primary:#2f80ed;--primary-strong:#1b63c7;--success:#12b76a;--warning:#f79009;--danger:#f04438;--sidebar:#1d2939;--sidebar-muted:#c6d0df;--radius:10px;--shadow:0 12px 28px rgba(16,24,40,0.08)}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:var(--background);color:var(--foreground);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;letter-spacing:0}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 18% 10%,rgba(47,128,237,.18),transparent 34%),linear-gradient(135deg,#101828,#24364f 45%,#f5f7fb 0)}.auth-card{width:min(420px,100%);background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:0 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