:root{--primary:#2f6fed;--primary-hover:#2558c7;--primary-light:#e8f0fe;--text:#1a1a2e;--text-muted:#64748b;--bg:#f1f5f9;--surface:#fff;--border:#e2e8f0;--border-focus:#2f6fed;--error:#dc2626;--error-bg:#fef2f2;--success:#16a34a;--success-bg:#f0fdf4;--warning:#d97706;--warning-bg:#fffbeb;--info:#2563eb;--info-bg:#eff6ff;--radius:8px;--radius-lg:12px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 12px 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8px);transform:translateY(-50%);box-shadow:0 2px 8px #0003}.collapsed .nav-item:hover:after{opacity:1}.auth-layout{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--surface);border-radius:var(--radius-lg);width:100%;max-width:400px;box-shadow:var(--shadow-md);padding:40px 32px}.auth-card h1{text-align:center;margin:0 0 4px;font-size:1.25rem;font-weight:700}.auth-card .subtitle{color:var(--text-muted);text-align:center;margin:0 0 28px;font-size:.875rem}.auth-logo{justify-content:center;margin-bottom:24px;display:flex}.auth-logo svg{width:auto;height:40px}.auth-footer{text-align:center;color:var(--text-muted);margin-top:24px;font-size:.875rem}.auth-footer a{color:var(--primary);font-weight:500;text-decoration:none}.auth-footer a:hover{text-decoration:underline}.auth-success{background:var(--success-bg);color:var(--success);border-radius:var(--radius);text-align:center;margin-bottom:20px;padding:14px 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