*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #0f1117;--bg-secondary: #161922;--bg-tertiary: #1c2030;--bg-hover: #232838;--bg-active: #2a3048;--border: #2a2e3e;--border-light: #353a4e;--text-primary: #e4e6ef;--text-secondary: #9ca3b8;--text-muted: #6b7280;--accent: #6366f1;--accent-hover: #818cf8;--accent-bg: rgba(99, 102, 241, .1);--success: #22c55e;--success-bg: rgba(34, 197, 94, .1);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .1);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .1);--info: #3b82f6;--info-bg: rgba(59, 130, 246, .1);--radius: 8px;--radius-sm: 4px;--radius-lg: 12px;--shadow: 0 1px 3px rgba(0, 0, 0, .3), 0 1px 2px rgba(0, 0, 0, .2);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .4), 0 4px 6px rgba(0, 0, 0, .3);--sidebar-width: 240px;--header-height: 56px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica 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var(--border);background:var(--bg-secondary)}.page-title{font-size:18px;font-weight:600;line-height:1.2}.page-subtitle{font-size:12px;color:var(--text-muted);margin-top:2px;line-height:1.2}.page-subtitle code{color:var(--text-secondary);font-family:SF Mono,Cascadia Code,Menlo,monospace;font-size:12px}.header-actions{display:flex;gap:8px;align-items:center}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius);font-size:13px;font-weight:500;cursor:pointer;border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);transition:all .15s ease;white-space:nowrap}.btn:hover{background:var(--bg-hover);border-color:var(--border-light)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn svg{width:15px;height:15px}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-danger{background:transparent;border-color:var(--danger);color:var(--danger)}.btn-danger:hover{background:var(--danger-bg)}.btn-sm{padding:4px 10px;font-size:12px}.btn-full{width:100%;justify-content:center}.btn-ghost{background:transparent;border-color:transparent}.btn-ghost:hover{background:var(--bg-hover)}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.card-header h2{font-size:14px;font-weight:600}.card-body{padding:20px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-secondary);border:1px solid 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ease}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:520px;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}.modal-header{padding:18px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-header h2{font-size:16px;font-weight:600}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:12.5px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-group input,.form-group select{width:100%;padding:8px 12px;background:var(--bg-primary);border:1px solid 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h1{font-size:22px;font-weight:700;margin-bottom:4px}.login-subtitle{color:var(--text-muted);margin-bottom:28px;font-size:14px}.login-card .form-group{text-align:left}.audit-item{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}.audit-item:last-child{border-bottom:none}.audit-icon{width:32px;height:32px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;flex-shrink:0}.audit-icon.create{background:var(--success-bg);color:var(--success)}.audit-icon.delete{background:var(--danger-bg);color:var(--danger)}.audit-icon.update{background:var(--info-bg);color:var(--info)}.audit-content{flex:1;min-width:0}.audit-action{font-size:13px;font-weight:500;color:var(--text-primary)}.audit-time{font-size:11.5px;color:var(--text-muted);margin-top:2px}.audit-detail{font-size:12px;color:var(--text-secondary);margin-top:3px;font-family:SF Mono,Cascadia Code,Menlo,monospace}input[type=checkbox].checkbox,.checkbox-row input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;margin:0;cursor:pointer;flex:0 0 auto;background:var(--bg-primary);border:1.5px solid var(--border);border-radius:4px;position:relative;vertical-align:middle;transition:background .12s,border-color .12s,box-shadow .12s}input[type=checkbox].checkbox:hover,.checkbox-row input[type=checkbox]:hover{border-color:var(--accent)}input[type=checkbox].checkbox:focus-visible,.checkbox-row input[type=checkbox]:focus-visible{outline:none;box-shadow:0 0 0 3px var(--accent-bg);border-color:var(--accent)}input[type=checkbox].checkbox:checked,.checkbox-row input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent)}input[type=checkbox].checkbox:checked:after,.checkbox-row input[type=checkbox]:checked:after{content:"";position:absolute;left:4px;top:1px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}input[type=checkbox].checkbox:disabled,.checkbox-row input[type=checkbox]:disabled{opacity:.5;cursor:not-allowed}.checkbox-row{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;cursor:pointer;-webkit-user-select:none;user-select:none;color:var(--text-primary)}.code-textarea{width:100%;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.5;padding:10px 12px;background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border);border-radius:6px;resize:vertical;-moz-tab-size:2;tab-size:2}.code-textarea:focus{outline:none;border-color:var(--accent)}.subdomain-input-row{display:flex;align-items:center;gap:0}.subdomain-input-row .subdomain-input{flex:2 1 0;min-width:0;padding:8px 12px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius) 0 0 var(--radius);color:var(--text-primary);font-size:13.5px;font-family:inherit;border-right:none}.subdomain-input-row .subdomain-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg);z-index:1}.subdomain-dot{padding:8px 6px;background:var(--bg-tertiary);border-top:1px solid var(--border);border-bottom:1px solid var(--border);color:var(--text-muted);font-size:14px;font-weight:600;-webkit-user-select:none;user-select:none;line-height:1.35}.subdomain-input-row .domain-select{flex:0 0 auto;width:auto;padding:8px 28px 8px 12px;background:var(--bg-primary);border:1px solid var(--border);border-radius:0 var(--radius) var(--radius) 0;color:var(--accent);font-size:13.5px;font-family:inherit;font-weight:500;cursor:pointer;border-left:none}.subdomain-input-row .domain-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.dns-info-box{background:var(--info-bg);border:1px solid rgba(59,130,246,.2);border-radius:var(--radius);padding:12px 16px;margin-bottom:16px}.dns-info-header{display:flex;align-items:center;gap:8px;color:var(--info);font-size:13px;font-weight:600;margin-bottom:6px}.dns-info-box p{font-size:12.5px;color:var(--text-secondary);line-height:1.5}.dns-info-box code{background:var(--bg-tertiary);padding:1px 6px;border-radius:var(--radius-sm);font-size:12px;color:var(--text-primary);font-family:SF Mono,Cascadia Code,Menlo,monospace}.dns-help-steps{list-style:none;counter-reset:dns-steps;padding:0}.dns-help-steps li{counter-increment:dns-steps;position:relative;padding:12px 0 12px 36px;border-bottom:1px solid var(--border)}.dns-help-steps li:last-child{border-bottom:none}.dns-help-steps li:before{content:counter(dns-steps);position:absolute;left:0;top:14px;width:22px;height:22px;background:var(--accent-bg);color:var(--accent);border-radius:50%;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}.dns-help-steps li strong{display:block;color:var(--text-primary);font-size:13.5px;margin-bottom:4px}.dns-help-steps li p{color:var(--text-secondary);font-size:12.5px;line-height:1.5}.dns-help-record{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius);padding:10px 14px;margin-top:8px}.dns-help-record-row{display:flex;align-items:center;gap:10px;padding:4px 0}.dns-help-record-row+.dns-help-record-row{border-top:1px solid var(--border)}.dns-help-label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;min-width:50px}.dns-help-record-row code{background:var(--bg-tertiary);padding:2px 8px;border-radius:var(--radius-sm);font-size:12.5px;color:var(--accent);font-family:SF Mono,Cascadia Code,Menlo,monospace}.dns-help-note{font-size:11.5px;color:var(--text-muted)}.dns-help-note code{background:var(--bg-tertiary);padding:1px 5px;border-radius:var(--radius-sm);font-size:11px;font-family:SF Mono,Cascadia Code,Menlo,monospace;color:var(--text-secondary)}@media(max-width:768px){.sidebar{display:none}.main-content{margin-left:0}.stats-grid{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}}