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input:disabled{background:var(--color-bg-alt);cursor:not-allowed}.login-btn{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1.5rem;background:var(--color-primary);color:var(--color-white);border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:var(--transition);margin-top:.5rem}.login-btn:hover:not(:disabled){background:#1a3a5c;transform:translateY(-1px)}.login-btn:disabled{opacity:.7;cursor:not-allowed}.btn-spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.login-error{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#dc2626;font-size:.875rem}.login-footer{text-align:center;margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--color-border);font-size:.75rem;color:var(--color-text-light)}.auth-loading{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--color-bg-alt)}@keyframes spin{to{transform:rotate(360deg)}}