.app-layout { display: flex; min-height: 100vh; background-color: var(--bg-dark); }
.sidebar { 
    width: 260px; background-color: var(--bg-panel); 
    border-right: 1px solid var(--border-color); display: flex; flex-direction: column; 
    position: fixed; top: 0; left: 0; height: 100vh; z-index: 10;
    box-shadow: 4px 0 15px rgba(0,0,0,0.15);
}
.sidebar-header { padding: 1.5rem; font-size: 1.25rem; font-weight: bold; border-bottom: 1px solid var(--border-color); color: #fff; letter-spacing: 0.5px; }
.nav-links { list-style: none; padding: 1rem 0; flex-grow: 1; }
.nav-links li a { 
    display: block; padding: 0.85rem 1.5rem; color: var(--text-secondary); 
    text-decoration: none; transition: all 0.2s;
    border-left: 4px solid transparent; font-weight: 500;
}
.nav-links li a:hover { 
    background-color: rgba(255, 255, 255, 0.03); color: var(--text-primary); 
}
.nav-links li a.active { 
    background-color: rgba(59, 130, 246, 0.1); color: var(--primary-color); 
    border-left: 4px solid var(--primary-color); font-weight: 600;
}
.main-content { margin-left: 260px; flex-grow: 1; padding: 2.5rem 3rem; min-height: 100vh; }
.page-header { max-width: 1000px; margin: 0 0 2rem 0; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border-color); }
.page-header h1 { font-size: 1.8rem; color: var(--text-primary); margin-bottom: 0.5rem; }
.card { 
    background-color: var(--bg-panel); border: 1px solid var(--border-color); 
    border-radius: 0.5rem; padding: 2rem; margin: 0 0 1.5rem 0; 
    max-width: 1000px; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.card h3 { color: var(--text-primary); margin-bottom: 0.5rem; font-size: 1.2rem; }
.card-desc { color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 0.9rem; }
.data-table { width: 100%; border-collapse: collapse; text-align: left; }
.data-table th, .data-table td { padding: 1rem; border-bottom: 1px solid var(--border-color); }
.data-table th { color: var(--text-secondary); font-weight: 600; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.05em; }
.badge { padding: 0.35rem 0.65rem; border-radius: 999px; font-size: 0.75rem; font-weight: bold; }
.badge-success { background-color: rgba(34, 197, 94, 0.15); color: var(--success-color); border: 1px solid rgba(34, 197, 94, 0.3); }
.badge-danger { background-color: rgba(239, 68, 68, 0.15); color: var(--danger-color); border: 1px solid rgba(239, 68, 68, 0.3); }
.code-block {
    background-color: #0b1120; padding: 1rem; border-radius: 0.375rem;
    font-family: monospace; color: var(--success-color); margin-top: 0.5rem;
    word-break: break-all; font-size: 0.875rem; border: 1px solid var(--border-color);
}
.hidden { display: none !important; }
.success-text { color: var(--success-color); display: block; }
.danger-text { color: var(--danger-color); display: block; }
.mt-1 { margin-top: 1rem; }
.float-right { float: right; }
.dns-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border-color); }
.dns-item { padding: 1.25rem; border: 1px solid var(--border-color); border-radius: 0.375rem; background-color: #0b1120; }
.dns-note { margin-top: 1.5rem; font-size: 0.85rem; color: var(--text-secondary); }
.step-highlight { border-left: 4px solid var(--primary-color); }