/* 砺阵 CMS 侧边栏 — 扁平战情台（去掉框套框） */
:root {
  --lz-sb-bg: #0b1220;
  --lz-sb-active-bg: rgba(13, 148, 136, 0.12);
  --lz-sb-accent: #14b8a6;
  --lz-sb-group: #64748b;
  --lz-sb-text: #94a3b8;
  --lz-sb-text-hover: #e2e8f0;
  --lz-sb-border: #1e293b;
  --lz-sb-width: 200px;
  --lz-sb-collapsed: 56px;
  --lz-sb-font: "IBM Plex Sans", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

.lz-sidebar {
  position: relative;
  width: var(--lz-sb-width);
  max-width: var(--lz-sb-width);
  min-width: var(--lz-sb-width);
  height: 100%;
  min-height: 100vh;
  /* 禁止在 admin-shell flex 里被撑开占半屏 */
  flex: 0 0 var(--lz-sb-width);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--lz-sb-bg);
  color: var(--lz-sb-text);
  font-family: var(--lz-sb-font);
  border-right: 1px solid var(--lz-sb-border);
  transition: width 0.2s ease, max-width 0.2s ease, min-width 0.2s ease, flex-basis 0.2s ease;
  z-index: 40;
  overflow-x: hidden;
  overflow-y: visible;
  box-sizing: border-box;
}

.lz-sidebar.is-collapsed {
  width: var(--lz-sb-collapsed);
  max-width: var(--lz-sb-collapsed);
  min-width: var(--lz-sb-collapsed);
  flex-basis: var(--lz-sb-collapsed);
}

.lz-sb-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 12px 10px;
  border-bottom: 1px solid var(--lz-sb-border);
  flex-shrink: 0;
  min-height: 48px;
}

.lz-sb-brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(145deg, #0d9488, #22d3ee);
  color: #042f2e;
  font-size: 11px;
  font-weight: 800;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}

.lz-sb-brand-text strong {
  display: block;
  font-size: 14px;
  color: #f8fafc;
  letter-spacing: 0.02em;
  font-weight: 650;
}

.lz-sb-brand-text span {
  display: block;
  font-size: 10px;
  color: var(--lz-sb-group);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lz-sidebar.is-collapsed .lz-sb-brand-text,
.lz-sidebar.is-collapsed .lz-sb-group-title,
.lz-sidebar.is-collapsed .lz-sb-label,
.lz-sidebar.is-collapsed .lz-sb-chevron,
.lz-sidebar.is-collapsed .lz-sb-badge,
.lz-sidebar.is-collapsed .lz-sb-user-meta,
.lz-sidebar.is-collapsed .lz-sb-user-menu {
  display: none !important;
}

.lz-sb-toggle {
  margin-left: auto;
  width: 26px;
  height: 26px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--lz-sb-text);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 13px;
  flex-shrink: 0;
}
.lz-sb-toggle:hover {
  color: var(--lz-sb-accent);
  background: rgba(255, 255, 255, 0.04);
}
.lz-sidebar.is-collapsed .lz-sb-toggle { margin-left: 0; }
.lz-sidebar.is-collapsed .lz-sb-brand {
  justify-content: center;
  padding: 14px 8px;
}

.lz-sb-nav {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 6px 0 10px;
}
.lz-sb-nav::-webkit-scrollbar { width: 3px; }
.lz-sb-nav::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 3px;
}

.lz-sb-group + .lz-sb-group {
  margin-top: 4px;
  padding-top: 6px;
  border-top: 1px solid rgba(30, 41, 59, 0.85);
}

.lz-sb-group-title {
  font-size: 10px;
  color: var(--lz-sb-group);
  letter-spacing: 0.08em;
  padding: 8px 12px 3px;
  user-select: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 560;
}
.lz-sb-group-title:hover { color: #94a3b8; }

.lz-sb-group-body {
  overflow: hidden;
  max-height: 900px;
  transition: max-height 0.2s ease, opacity 0.2s ease;
  opacity: 1;
}
.lz-sb-group.is-folded .lz-sb-group-body {
  max-height: 0;
  opacity: 0;
}

/* 扁平菜单：全宽、无外边框、无卡片圆角 */
.lz-sb-item,
.lz-sb-parent {
  display: flex;
  align-items: center;
  padding: 7px 12px;
  margin: 0;
  border-radius: 0;
  font-size: 12.5px;
  color: var(--lz-sb-text);
  text-decoration: none;
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  box-sizing: border-box;
  text-align: left;
  font-family: inherit;
  position: relative;
  transition: background 0.12s ease, color 0.12s ease;
  line-height: 1.35;
}
.lz-sb-item:hover,
.lz-sb-parent:hover {
  background: rgba(255, 255, 255, 0.035);
  color: var(--lz-sb-text-hover);
}

.lz-sb-item.is-active {
  background: var(--lz-sb-active-bg);
  color: #f0fdfa;
  box-shadow: inset 3px 0 0 var(--lz-sb-accent);
  border: none;
  margin: 0;
  padding-left: 16px;
  border-radius: 0;
  width: 100%;
  font-weight: 560;
}

.lz-sb-icon {
  width: 18px;
  text-align: center;
  margin-right: 10px;
  flex-shrink: 0;
  font-size: 13px;
  line-height: 1;
  opacity: 0.72;
  filter: grayscale(1) brightness(1.15);
}
.lz-sb-item.is-active .lz-sb-icon,
.lz-sb-item:hover .lz-sb-icon {
  opacity: 1;
  filter: none;
}

.lz-sidebar.is-collapsed .lz-sb-item,
.lz-sidebar.is-collapsed .lz-sb-parent {
  justify-content: center;
  padding: 10px 0;
  margin: 0;
  width: 100%;
}
.lz-sidebar.is-collapsed .lz-sb-icon { margin-right: 0; }
.lz-sidebar.is-collapsed .lz-sb-item.is-active {
  margin: 0;
  padding-left: 0;
  border-radius: 0;
  width: 100%;
  box-shadow: inset 3px 0 0 var(--lz-sb-accent);
}

.lz-sb-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lz-sb-chevron {
  font-size: 10px;
  color: var(--lz-sb-group);
  transition: transform 0.2s ease;
  margin-left: 4px;
}
.lz-sb-parent.is-open .lz-sb-chevron {
  transform: rotate(90deg);
  color: var(--lz-sb-accent);
}

.lz-sb-sub {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.2s ease;
}
.lz-sb-sub.is-open { max-height: 480px; }
.lz-sb-sub .lz-sb-item {
  padding-left: 44px;
  font-size: 12.5px;
}
.lz-sb-sub .lz-sb-item.is-active { padding-left: 44px; }

.lz-sb-badge {
  min-width: 16px;
  height: 16px;
  padding: 0 5px;
  border-radius: 999px;
  background: #ef4444;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
  margin-left: 6px;
}
.lz-sb-badge.is-dot {
  min-width: 8px;
  width: 8px;
  height: 8px;
  padding: 0;
}

.lz-sidebar.is-collapsed .lz-sb-item[data-tip],
.lz-sidebar.is-collapsed .lz-sb-parent[data-tip] {
  position: relative;
}
.lz-sidebar.is-collapsed .lz-sb-item[data-tip]:hover::after,
.lz-sidebar.is-collapsed .lz-sb-parent[data-tip]:hover::after {
  content: attr(data-tip);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--lz-sb-border);
  z-index: 50;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.lz-sb-user {
  flex-shrink: 0;
  padding: 10px 12px 12px;
  border-top: 1px solid var(--lz-sb-border);
  position: sticky;
  bottom: 0;
  z-index: 2;
  background: var(--lz-sb-bg);
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lz-sb-logout-bar {
  width: 100%;
  border: none;
  background: rgba(239, 68, 68, 0.1);
  color: #fca5a5;
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
}
.lz-sb-logout-bar:hover {
  background: rgba(239, 68, 68, 0.18);
  color: #fff;
}
.lz-sidebar.is-collapsed .lz-sb-logout-bar {
  font-size: 0;
  padding: 8px 0;
  min-height: 34px;
}
.lz-sidebar.is-collapsed .lz-sb-logout-bar::after {
  content: "⎋";
  font-size: 14px;
  display: block;
  text-align: center;
  color: #fca5a5;
}

.lz-sb-user-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  color: inherit;
  font-family: inherit;
  text-align: left;
}

.lz-sb-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #134e4a, #14b8a6);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.lz-sb-user-name {
  font-size: 13px;
  color: #e2e8f0;
  font-weight: 600;
}

.lz-sb-user-role {
  display: inline-block;
  margin-top: 2px;
  font-size: 10px;
  color: var(--lz-sb-group);
  border: none;
  background: rgba(255, 255, 255, 0.04);
  padding: 1px 6px;
  border-radius: 4px;
}

.lz-sb-user-menu {
  display: none;
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: calc(100% + 6px);
  background: #0f172a;
  border: 1px solid var(--lz-sb-border);
  border-radius: 8px;
  overflow: hidden;
  z-index: 5;
}
.lz-sb-user-menu.is-open { display: block; }
.lz-sb-user-menu a,
.lz-sb-user-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  border: none;
  background: transparent;
  color: var(--lz-sb-text);
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}
.lz-sb-user-menu a:hover,
.lz-sb-user-menu button:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.lz-sb-burger {
  display: none;
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 60;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  background: #0f172a;
  color: #e2e8f0;
  cursor: pointer;
}
.lz-sb-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 35;
}
.lz-sb-backdrop.is-on { display: block; }

@media (max-width: 900px) {
  .lz-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 45;
  }
  .lz-sidebar.is-mobile-open { transform: translateX(0); }
  .lz-sb-burger { display: grid; place-items: center; }
  .lz-sidebar.is-collapsed .lz-sb-user-meta { display: none !important; }
}