:root{--color-bg:#f3f7f6;--color-panel:#fff;--color-text:#102229;--color-muted:#60737a;--color-line:#d9e3e5;--color-primary:#078b8c;--color-primary-dark:#045f66;--color-accent:#f0b43e;--color-danger:#c73535;--color-mint:#d9f1ed;--color-blue:#233d4d;--radius-sm:6px;--radius-md:8px;--shadow-panel:0 18px 60px rgba(16,34,41,.13)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,rgba(35,61,77,.07),rgba(243,247,246,0) 260px),var(--color-bg);color:var(--color-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}.shell{min-height:100vh;display:grid;grid-template-columns:248px 1fr}.sidebar{background:linear-gradient(180deg,#0d1c22,#132a34);color:#fff;padding:22px;border-right:1px solid 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.login-mark{background:linear-gradient(135deg,var(--color-danger),var(--color-primary))}.login-copy p:not(.eyebrow){max-width:560px;margin:22px 0 0;color:var(--color-muted);font-size:19px;line-height:1.55}.login-card{background:hsla(0,0%,100%,.94);border:1px solid rgba(217,227,229,.92);box-shadow:var(--shadow-panel);padding:28px;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.login-card,.login-mark{border-radius:var(--radius-md)}.login-mark{width:42px;height:42px;display:grid;place-items:center;margin-bottom:20px;background:linear-gradient(135deg,var(--color-primary),var(--color-blue));color:#fff;font-weight:850;box-shadow:0 8px 24px rgba(7,139,140,.28)}.login-card h2{margin:0 0 8px;font-size:30px;line-height:1.1}.login-card form{margin-top:22px}.login-card .muted{line-height:1.5}@media 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