:root{--bg-color:#0f0f0f;--container-bg:#1a1a1a;--border-color:#333;--text-primary:#e0e0e0;--text-secondary:#aaa;--accent:#007bff}body{background-color:var(--bg-color);color:var(--text-primary);margin:0;padding:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}a{color:inherit;text-decoration:none}.page-wrapper{box-sizing:border-box;min-height:100vh;padding:2rem}.account-container{max-width:800px;margin:0 auto}.header-row{justify-content:space-between;align-items:center;margin-bottom:2rem;display:flex}.back-link{align-items:center;gap:8px;font-size:1.1rem;font-weight:600;display:flex}.page-title{border-bottom:1px solid var(--border-color);margin-bottom:2rem;padding-bottom:1rem}.section-block{background-color:var(--container-bg);border:1px solid var(--border-color);border-radius:12px;margin-bottom:2rem;padding:1.5rem}.section-block h2{border-bottom:1px solid #333;margin-top:0;margin-bottom:1.5rem;padding-bottom:.5rem;font-size:1.3rem}.form-group{margin-bottom:1.5rem}label{color:var(--text-secondary);margin-bottom:.5rem;font-size:.9rem;display:block}.input-field{border:1px solid var(--border-color);color:#fff;box-sizing:border-box;background-color:#0f0f0f;border-radius:6px;width:100%;padding:.8rem;font-size:1rem}.input-field.disabled{opacity:.6;cursor:not-allowed}.input-field.mb-2{margin-bottom:1rem}.button{background-color:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;width:100%;padding:.8rem 1.5rem;font-size:1rem;font-weight:600}.button:hover{opacity:.9}.button.small-btn{width:auto;padding:.6rem 1rem;font-size:.9rem}.button.stop-btn{background-color:#dc3545}.sub-form{background:#ffffff0d;border-radius:8px;margin-top:1rem;padding:1rem}.msg-text{color:#ffc107;margin-top:.5rem;font-size:.9rem}.msg-text.success{color:#28a745}