:root {
  --bg: #F5F7FA;
  --panel: #FFFFFF;
  --text: #2C2E35;
  --muted: #6B7280;
  --accent: #00AEEF;
  --accent-soft: #E6F7FD;
  --accent-hover: #0098D4;
  --ok: #16A34A;
  --warn: #D97706;
  --err: #DC2626;
  --border: #E5E9F0;
  --shadow: 0 1px 2px rgba(44, 46, 53, 0.06);
  --shadow-lg: 0 8px 24px rgba(44, 46, 53, 0.12);
  --side-width: 248px;
  --side-collapsed: 56px;
  --radius-sm: 8px;
  --radius-md: 12px;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

/* —— 品牌 Logo —— */
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: inherit;
}
.brand-mark img {
  display: block;
  height: 28px;
  width: auto;
}
.brand-mark .brand-suffix {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
header .brand { font-weight: 700; letter-spacing: 0.02em; }
header .brand span { color: var(--accent); }

nav:not(.side-nav) { display: flex; gap: 0.5rem; flex-wrap: wrap; }
nav button, .btn {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
nav button:hover, .btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
nav button.active, .btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
nav button.active:hover, .btn.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
}

main { padding: 1.25rem 1.5rem 3rem; max-width: 1100px; margin: 0 auto; }
main.app-main {
  max-width: none;
  margin: 0;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 0.75rem; font-size: 1.1rem; }
.card h3 {
  margin: 1.25rem 0 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 1rem;
  font-weight: 600;
}
.card h3:first-of-type { border-top: none; padding-top: 0; }
label { display: block; color: var(--muted); font-size: 0.85rem; margin: 0.5rem 0 0.25rem; }
.muted { color: var(--muted); font-size: 0.85rem; }
input, select, textarea {
  width: 100%;
  max-width: 420px;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 174, 239, 0.18);
}
input.wide, textarea.wide { max-width: 100%; }
.row { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: end; margin-top: 0.75rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.5rem 0.4rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
tbody tr:nth-child(even) { background: rgba(245, 247, 250, 0.6); }
.msg { margin-top: 0.75rem; color: var(--ok); }
.msg.err { color: var(--err); }
.err { color: var(--err); }
tr.err td { background: rgba(220, 38, 38, 0.06); }
tr.err td:first-child { box-shadow: inset 3px 0 0 var(--err); }
.hidden { display: none !important; }

/* —— 登录页 —— */
.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background: var(--bg);
}
.login-brand {
  margin-bottom: 1.25rem;
  text-align: center;
}
.login-brand img {
  height: 44px;
  width: auto;
  display: inline-block;
}
.login-brand .login-subtitle {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}
.login-wrap {
  max-width: 400px;
  width: 100%;
  margin: 0;
}

/* —— 云用户控制台：左侧菜单布局 —— */
.app-shell:not(.hidden) {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  flex-shrink: 0;
  z-index: 20;
}
.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.app-header .who { color: var(--muted); font-size: 0.9rem; }
.side-toggle { display: none; padding: 0.35rem 0.55rem; min-width: 2.2rem; }

.shell-body {
  display: flex;
  flex: 1;
  min-height: 0;
  position: relative;
  align-items: stretch;
  background: var(--bg);
}
.side-nav {
  width: var(--side-width);
  flex: 0 0 var(--side-width);
  border-right: 1px solid var(--border);
  background: var(--panel);
  padding: 0.75rem 0.75rem 1.5rem;
  overflow-x: hidden;
  overflow-y: auto;
  transition: flex-basis 0.18s ease, width 0.18s ease;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.side-nav button {
  font-family: inherit;
  box-shadow: none;
}
.side-nav-top {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 0.35rem;
}
.side-collapse {
  padding: 0.3rem 0.55rem;
  line-height: 1;
  font-size: 0.95rem;
}
.nav-group {
  margin: 0;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}
.nav-group:last-of-type { border-bottom: none; }
.nav-group-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.55rem 0.6rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  line-height: 1.3;
}
.nav-group-title::before {
  content: "▸";
  display: inline-block;
  width: 0.9rem;
  flex-shrink: 0;
  transition: transform 0.15s ease;
  color: var(--accent);
}
.nav-group.open .nav-group-title::before {
  transform: rotate(90deg);
}
.nav-group-title:hover {
  color: var(--text);
  background: var(--accent-soft);
}
.nav-group-items {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.15rem 0 0.5rem 0.35rem;
  margin: 0;
}
.nav-group.open .nav-group-items { display: flex; }
.nav-item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
  padding: 0.55rem 0.75rem 0.55rem 1.15rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.92rem;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-item:hover {
  background: var(--accent-soft);
  border-color: rgba(0, 174, 239, 0.2);
}
.nav-item.active {
  background: var(--accent-soft);
  border-color: transparent;
  color: var(--text);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--accent);
}
.nav-standalone {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
}
.nav-standalone .nav-item {
  padding-left: 0.75rem;
}
.side-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(44, 46, 53, 0.35);
  z-index: 15;
}

.app-main {
  flex: 1 1 auto;
  min-width: 0;
  padding: 1.25rem 1.5rem 3rem;
  max-width: none;
  margin: 0;
  overflow: auto;
  background: var(--bg);
}

/* 侧栏收起：只保留当前页短标签，避免单字堆叠 */
.shell-body.side-collapsed .side-nav {
  width: var(--side-collapsed);
  flex-basis: var(--side-collapsed);
  padding: 0.5rem 0.35rem 1rem;
  gap: 0.25rem;
}
.shell-body.side-collapsed .nav-group {
  border-bottom: none;
  padding: 0.15rem 0;
}
.shell-body.side-collapsed .nav-group-title {
  display: none;
}
.shell-body.side-collapsed .nav-group-items {
  display: none !important;
  padding: 0;
  gap: 0.2rem;
}
.shell-body.side-collapsed .nav-group.open .nav-group-items {
  display: flex !important;
}
.shell-body.side-collapsed .nav-item {
  font-size: 0;
  text-align: center;
  padding: 0.55rem 0.2rem;
  position: relative;
}
.shell-body.side-collapsed .nav-item::after {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
}
.shell-body.side-collapsed .nav-item:not(.active) { display: none; }
.shell-body.side-collapsed .nav-item.active { display: block; }
.shell-body.side-collapsed .nav-item[data-tab="instances"]::after { content: "主机"; }
.shell-body.side-collapsed .nav-item[data-tab="images"]::after { content: "镜像"; }
.shell-body.side-collapsed .nav-item[data-tab="vmware"]::after { content: "导入"; }
.shell-body.side-collapsed .nav-item[data-tab="vpc"]::after { content: "VPC"; }
.shell-body.side-collapsed .nav-item[data-tab="sg"]::after { content: "安组"; }
.shell-body.side-collapsed .nav-item[data-tab="eip"]::after { content: "EIP"; }
.shell-body.side-collapsed .nav-item[data-tab="keys"]::after { content: "密钥"; }
.shell-body.side-collapsed .nav-item[data-tab="iam"]::after { content: "IAM"; }
.shell-body.side-collapsed .nav-item[data-tab="quotas"]::after { content: "配额"; }
.shell-body.side-collapsed .nav-item[data-tab="tasks"]::after { content: "进度"; }
.shell-body.side-collapsed .nav-standalone {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
}
.shell-body.side-collapsed .nav-standalone .nav-item:not(.active) { display: none; }

@media (max-width: 860px) {
  .side-toggle { display: inline-block; }
  .side-nav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 30;
    width: min(84vw, 280px);
    flex-basis: auto;
    transform: translateX(-105%);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow-lg);
  }
  .shell-body.side-open .side-nav { transform: translateX(0); }
  .shell-body.side-open .side-backdrop { display: block; }
  .shell-body.side-collapsed .side-nav {
    width: min(84vw, 280px);
    flex-basis: auto;
  }
  .shell-body.side-collapsed .nav-group-title { display: flex; }
  .shell-body.side-collapsed .nav-group-items,
  .shell-body.side-collapsed .nav-group.open .nav-group-items {
    display: none;
  }
  .shell-body.side-collapsed .nav-group.open .nav-group-items { display: flex !important; }
  .shell-body.side-collapsed .nav-item {
    display: block !important;
    font-size: 0.92rem;
    text-align: left;
    padding: 0.55rem 0.75rem 0.55rem 1.15rem;
  }
  .shell-body.side-collapsed .nav-item::after { content: none !important; }
  .side-collapse { display: none; }
  .app-main { padding: 1rem; }
}

/* —— 紧凑列表 / 弹窗 / 操作菜单（console + admin 共用）—— */
.table-compact th,
.table-compact td {
  vertical-align: middle;
  padding: 0.45rem 0.4rem;
}
.cell-ellipsis {
  display: inline-block;
  max-width: 12rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: bottom;
}
.link-action {
  background: none;
  border: none;
  color: var(--accent);
  padding: 0;
  margin: 0 0.35rem 0 0;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.link-action:hover { color: var(--accent-hover); }
.link-action.danger { color: var(--err); }
.link-action.danger:hover { color: #B91C1C; }
.actions-cell {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
}
.actions-cell .btn {
  padding: 0.3rem 0.55rem;
  font-size: 0.82rem;
}
.action-menu-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.action-menu {
  position: relative;
  display: inline-block;
}
.action-menu-toggle {
  padding: 0.3rem 0.55rem;
  font-size: 0.82rem;
}
.action-menu-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  z-index: 50;
  min-width: 9rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0;
  box-shadow: var(--shadow-lg);
}
.action-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text);
  padding: 0.45rem 0.75rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}
.action-menu-item:hover {
  background: var(--accent-soft);
}
.action-menu-item.danger { color: var(--err); }
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(44, 46, 53, 0.4);
}
.modal-card {
  width: min(100%, 420px);
  max-height: min(85vh, 560px);
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  box-shadow: var(--shadow-lg);
}
.modal-card h3 {
  margin: 0 0 0.5rem;
  padding: 0;
  border: none;
  font-size: 1.05rem;
}
.modal-hint {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
}
.modal-actions {
  margin-top: 1rem;
  margin-bottom: 0;
}
.sg-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-height: 240px;
  overflow: auto;
  padding: 0.25rem 0;
}
.sg-checklist label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
}
.sg-checklist input[type="checkbox"] {
  width: auto;
  max-width: none;
  flex-shrink: 0;
}

/* —— 页面工具条 / 操作面板（console 共用）—— */
.page-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}
.page-toolbar h2 { margin: 0; font-size: 1.15rem; }
.page-toolbar .toolbar-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.page-hint {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1rem;
  line-height: 1.45;
}
.action-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.15rem;
  margin: 0.75rem 0 1.25rem;
  box-shadow: var(--shadow);
}
.action-panel h3 {
  margin: 0 0 0.75rem;
  padding: 0;
  border: none;
  font-size: 1rem;
}
.list-block { margin-top: 0.5rem; }
.list-block h3 {
  margin: 1rem 0 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 1rem;
}
.list-block h3:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}
.status-dd {
  position: relative;
  display: inline-block;
}
.status-dd > summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
}
.status-dd > summary::-webkit-details-marker { display: none; }
.status-dd > summary::after {
  content: " ▾";
  font-size: 0.75em;
  opacity: 0.85;
}
.status-menu {
  position: absolute;
  left: 0;
  top: calc(100% + 4px);
  z-index: 40;
  min-width: 8.5rem;
  padding: 0.35rem 0;
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}
.status-menu-item {
  display: block;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0.45rem 0.85rem;
  border: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  text-align: left;
  cursor: pointer;
}
.status-menu-item:hover:not(:disabled) {
  background: var(--accent-soft);
}
.status-menu-item:disabled {
  color: var(--muted);
  opacity: 0.55;
  cursor: not-allowed;
}