:root{
  --bg:#0f1419; --card:#1a2029; --card2:#222b36; --border:#2d3744;
  --text:#e2e8f0; --muted:#8b96a5; --primary:#0069ff; --primary-h:#0053cc;
  --ok:#10b981; --warn:#f59e0b; --danger:#ef4444; --tag:#6366f1;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85em}
.muted{color:var(--muted)}
.small{font-size:.8em}

/* 顶部导航 — DO 蓝色主题 */
.topnav{display:flex;align-items:center;gap:24px;padding:0 24px;height:56px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.topnav .brand{font-weight:700;font-size:16px}
.topnav .links{display:flex;gap:16px}
.topnav .links a{color:var(--text);padding:6px 10px;border-radius:6px}
.topnav .links a:hover{background:var(--card2);text-decoration:none}
.topnav .user{margin-left:auto;display:flex;align-items:center;gap:12px;color:var(--muted)}
.btn-link{color:var(--primary);cursor:pointer}

/* 容器 */
.container{max-width:1200px;margin:24px auto;padding:0 24px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:6px;border:1px solid var(--border);background:var(--card2);color:var(--text);cursor:pointer;font-size:13px;transition:all .15s}
.btn:hover{border-color:var(--muted)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-h)}
.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn.warn{background:var(--warn);border-color:var(--warn);color:#1a2029}
.btn.sm{padding:4px 9px;font-size:12px}

/* 页头 */
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:12px}
.page-head h2{margin:0;font-size:20px}
.actions{display:flex;gap:8px;flex-wrap:wrap}

/* 统计行 */
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:18px}
.stat{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.stat-label{color:var(--muted);font-size:12px}
.stat-value{font-size:18px;font-weight:600}
.stat-value.ok{color:var(--ok)} .stat-value.warn{color:var(--warn)} .stat-value.danger{color:var(--danger)}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:18px 20px;margin-bottom:18px}
.card h3{margin:0 0 14px;font-size:16px}

/* 表单 */
label{display:block;margin:10px 0;font-size:13px}
label input[type=text],label input[type=password],label input[type=number],label select.sel{display:block;width:100%;margin-top:5px;padding:8px 10px;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:14px}
label select.sel{cursor:pointer}
label select.sel:focus{outline:none;border-color:var(--primary)}
label input:focus{outline:none;border-color:var(--primary)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.form-actions{margin-top:14px}
.switch-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.switch-row input{width:auto}

/* 表格 */
.table-wrap{overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;font-size:13px}
.data-table th,.data-table td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
.data-table th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.data-table tbody tr:hover{background:var(--card2)}
.data-table tr.blocked{background:rgba(239,68,68,.08)}
.row-actions{display:flex;gap:6px}
.empty{text-align:center;color:var(--muted);padding:30px}

/* 徽章 */
.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600}
.status-running{background:rgba(16,185,129,.15);color:var(--ok)}
.status-offline{background:rgba(139,150,165,.15);color:var(--muted)}
.status-active{background:rgba(16,185,129,.15);color:var(--ok)}
.status-failed{background:rgba(239,68,68,.15);color:var(--danger)}
.status-disabled{background:rgba(139,150,165,.15);color:var(--muted)}
.action-check{background:rgba(59,130,246,.15);color:var(--primary)}
.action-destroy{background:rgba(239,68,68,.15);color:var(--danger)}
.action-create{background:rgba(16,185,129,.15);color:var(--ok)}
.action-skip{background:rgba(139,150,165,.15);color:var(--muted)}
.action-error{background:rgba(245,158,11,.15);color:var(--warn)}
.tag{display:inline-block;padding:1px 7px;border-radius:8px;font-size:10px;background:rgba(99,102,241,.2);color:#a5b4fc;margin-left:4px}
.tag.danger{background:rgba(239,68,68,.2);color:var(--danger)}

/* 提示 */
.alert{padding:10px 14px;border-radius:6px;margin:10px 0;font-size:13px}
.alert.error{background:rgba(239,68,68,.15);color:var(--danger);border:1px solid var(--danger)}
.alert.warn{background:rgba(245,158,11,.12);color:var(--warn);border:1px solid var(--warn)}

/* toast */
.toast{position:fixed;bottom:24px;right:24px;padding:12px 18px;border-radius:8px;background:var(--card2);border:1px solid var(--border);opacity:0;transition:opacity .25s;z-index:100;max-width:380px}
.toast.show{opacity:1}
.toast.ok{border-color:var(--ok)}
.toast.err{border-color:var(--danger)}

/* 登录页 */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:32px;width:100%;max-width:380px}
.login-card h1{margin:0 0 4px;font-size:22px}
.login-card .subtitle{color:var(--muted);margin:0 0 20px}
.login-card button{width:100%;margin-top:8px}
.login-card .hint{color:var(--muted);font-size:12px;margin-top:14px;margin-bottom:0}

/* 规格信息 */
.info-summary{margin-bottom:14px}
.spec-table{font-size:12px}
.spec-table td:nth-child(n+2){font-family:ui-monospace,monospace}

/* 实例卡片网格 */
.inst-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:14px}
.inst-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:10px;transition:border-color .15s}
.inst-card:hover{border-color:var(--muted)}
.inst-card.blocked{background:rgba(239,68,68,.06);border-color:rgba(239,68,68,.2)}
.inst-card.blocked:hover{border-color:var(--danger)}
.inst-card.empty-card{align-items:center;justify-content:center;min-height:120px}

.ic-header{display:flex;align-items:center;justify-content:space-between;gap:10px}
.ic-label{font-weight:600;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:flex;align-items:center;gap:4px}
.ic-label-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ic-label-edit{cursor:pointer;font-size:13px;opacity:.4;flex-shrink:0;text-decoration:none}
.ic-label-edit:hover{opacity:1;text-decoration:none}
.ic-meta{font-size:11px;line-height:1.3}

.ic-addrs{display:flex;flex-direction:column;gap:4px;background:var(--bg);border-radius:6px;padding:8px 10px;font-size:12px}
.ic-addr{display:flex;align-items:center;gap:6px}
.ic-addr .addr-label{color:var(--muted);min-width:32px;font-size:11px}
.ic-addr .addr-val{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.ic-checks{display:flex;align-items:center;gap:12px;font-size:12px;flex-wrap:wrap}
.ic-checks .danger{color:var(--danger);font-weight:600}

.ic-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:6px;border-top:1px solid var(--border)}

/* 实例地址自检按钮 */
.check-link{display:inline-block;margin-left:6px;padding:1px 7px;font-size:11px;vertical-align:middle;text-decoration:none}
.check-link:hover{text-decoration:none;filter:brightness(1.1)}

/* 规格弹窗 */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:200;align-items:center;justify-content:center;padding:20px}
.modal-card{background:var(--card);border:1px solid var(--border);border-radius:10px;width:100%;max-width:420px;overflow:hidden}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border)}
.modal-head h3{margin:0;font-size:16px}
.modal-close{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer;line-height:1}
.modal-close:hover{color:var(--text)}
.modal-body{padding:16px 18px}
.info-detail{width:100%;font-size:14px}
.info-detail th{color:var(--muted);font-weight:500;text-align:left;padding:8px 0;width:90px;vertical-align:top}
.info-detail td{padding:8px 0}
.info-detail tr+tr th,.info-detail tr+tr td{border-top:1px solid var(--border)}

@media(max-width:640px){
	  .grid2{grid-template-columns:1fr}
	  .topnav{padding:0 14px;gap:12px}
	  .topnav .links{gap:8px}
	  .container{padding:0 14px}
	}
.cmd-dropdown{position:relative;display:inline-block}
.cmd-dropdown:hover .cmd-menu,.cmd-dropdown:focus-within .cmd-menu{display:block}
.cmd-menu{display:none;position:absolute;bottom:100%;left:50%;transform:translateX(-50%);margin-bottom:6px;background:var(--card2);border:1px solid var(--border);border-radius:8px;min-width:190px;padding:6px 0;z-index:50;box-shadow:0 4px 20px rgba(0,0,0,.3)}
.cmd-menu .cmd-title{padding:4px 14px 8px;font-size:11px;color:var(--muted);border-bottom:1px solid var(--border);margin-bottom:4px}
.cmd-menu a{display:block;padding:6px 14px;font-size:12px;color:var(--text);text-decoration:none;cursor:pointer;white-space:nowrap}
.cmd-menu a:hover{background:var(--primary);color:#fff;text-decoration:none}