/* ============================================================
   工作台外壳（app.html）：导航轨 / 顶栏 / 模块容器 / 响应式
   ============================================================ */
.app-body { height: 100vh; height: 100dvh; height: var(--app-vh, 100dvh); overflow: hidden; display: flex; transform: translateY(var(--kb-offset, 0px)); }
.navrail {
  width: var(--navrail-w); flex: none; z-index: var(--z-nav);
  display: flex; flex-direction: column; align-items: center;
  padding: var(--sp-4) 0; background: var(--bg-glass); border-right: 1px solid var(--line-strong);
  box-shadow: var(--divider-shadow); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
}
.nav-logo { width: 42px; height: 42px; border-radius: 13px; margin-bottom: var(--sp-5); display: flex; align-items: center; justify-content: center; background: var(--grad-brand); color: var(--tx-on-neon); box-shadow: var(--glow-brand); }
.nav-logo .i { width: 22px; height: 22px; }
.nav-btns { display: flex; flex-direction: column; gap: var(--sp-2); flex: 1; }
.nav-btn { position: relative; width: 48px; height: 48px; border-radius: var(--r-md); display: flex; align-items: center; justify-content: center; color: var(--tx-3); transition: all var(--t-fast) var(--ease); }
.nav-btn:hover { color: var(--tx-1); background: var(--bg-3); }
.nav-btn.active { color: var(--neon-cyan); background: rgba(0, 229, 255, 0.1); box-shadow: inset 0 0 0 1px var(--line-glow), var(--glow-cyan); }
.nav-btn.active::before { content: ''; position: absolute; left: -14px; top: 50%; transform: translateY(-50%); width: 3px; height: 22px; border-radius: var(--r-full); background: var(--grad-brand); box-shadow: var(--glow-cyan); }
.nav-bottom { display: flex; flex-direction: column; gap: var(--sp-3); align-items: center; }
.avatar-btn { cursor: pointer; border-radius: 50%; transition: box-shadow var(--t-fast); }
.avatar-btn:hover { box-shadow: var(--glow-cyan); }
.avatar-btn .avatar { width: 38px; height: 38px; font-size: var(--fs-md); }
.app-main { flex: 1; min-width: 0; min-height: 0; display: flex; flex-direction: column; }
.topbar { height: var(--header-h); flex: none; z-index: calc(var(--z-nav) - 1); display: flex; align-items: center; gap: var(--sp-4); padding: 0 var(--sp-5); background: var(--bg-glass); border-bottom: 1px solid var(--line-strong); box-shadow: 0 1px 0 rgba(0, 0, 0, 0.18); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.module-title { font-size: var(--fs-lg); font-weight: 700; letter-spacing: 0.5px; white-space: nowrap; }
.top-search { position: relative; flex: 1; max-width: 420px; margin: 0 auto; }
.top-search .input { padding: 8px 14px 8px 38px; border-radius: var(--r-full); font-size: var(--fs-sm); }
.top-search > .i { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--tx-3); pointer-events: none; }
.top-actions { display: flex; align-items: center; gap: var(--sp-3); margin-left: auto; }
.top-actions .avatar { width: 36px; height: 36px; font-size: var(--fs-sm); }
.menu-btn { display: none; }
.checkin-btn.done { opacity: 0.55; pointer-events: none; }
.module-root { flex: 1; min-height: 0; position: relative; transition: opacity var(--t-mid) var(--ease), transform var(--t-mid) var(--ease); }
.module-root.module-leave { opacity: 0; transform: translateY(8px); }
.module-root.module-enter { animation: fadeIn var(--t-mid) var(--ease); }
.module { height: 100%; min-height: 0; }
.module-error { height: 100%; }

/* 公告组件：使用独立前缀，避免影响工作台导航和通用组件 */
.ldk-announcement-btn { position: relative; width: 38px; height: 38px; flex: none; display: inline-flex; align-items: center; justify-content: center; color: var(--tx-2); border: 1px solid var(--line-1); border-radius: var(--r-md); background: transparent; cursor: pointer; transition: color var(--t-fast), background var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast); }
.ldk-announcement-btn:hover, .ldk-announcement-btn:focus-visible { color: var(--neon-cyan); background: rgba(0, 229, 255, .08); border-color: var(--line-glow); box-shadow: var(--glow-cyan); outline: none; }
.ldk-announcement-btn .i { width: 19px; height: 19px; }
.ldk-announcement-count { position: absolute; top: -5px; right: -6px; min-width: 17px; height: 17px; padding: 0 4px; display: inline-flex; align-items: center; justify-content: center; color: #fff; background: var(--danger); border: 2px solid var(--bg-glass-strong); border-radius: var(--r-full); font-size: 10px; line-height: 1; font-weight: 700; }
.ldk-announcement-drawer-body { min-height: 120px; padding: 2px 2px 4px; }
.ldk-announcement-list { display: flex; flex-direction: column; gap: 10px; max-height: min(62vh, 560px); overflow-y: auto; padding: 2px 4px 4px 2px; scrollbar-width: thin; scrollbar-color: var(--line-2) transparent; }
.ldk-announcement-item { position: relative; width: 100%; display: grid; grid-template-columns: 10px minmax(0, 1fr); gap: 12px; padding: 16px 18px; text-align: left; color: var(--tx-1); border: 1px solid var(--line-1); border-radius: var(--r-md); background: linear-gradient(110deg, rgba(255,255,255,.045), rgba(255,255,255,.018)); cursor: pointer; transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast); }
.ldk-announcement-item::before { content: ''; position: absolute; inset: 10px auto 10px 0; width: 2px; border-radius: 0 2px 2px 0; background: transparent; }
.ldk-announcement-item:hover { border-color: var(--line-2); background: var(--bg-3); transform: translateY(-1px); box-shadow: 0 8px 22px rgba(0,0,0,.16); }
.ldk-announcement-item.unread { background: linear-gradient(110deg, rgba(0,229,255,.09), rgba(255,255,255,.025)); border-color: rgba(0,229,255,.24); }
.ldk-announcement-item.unread::before { background: var(--neon-cyan); box-shadow: var(--glow-cyan); }
.ldk-announcement-item-mark { width: 7px; height: 7px; margin-top: 7px; border-radius: 50%; background: transparent; }
.ldk-announcement-item.unread .ldk-announcement-item-mark { background: var(--neon-cyan); box-shadow: var(--glow-cyan); }
.ldk-announcement-item-main { min-width: 0; display: grid; gap: 7px; }
.ldk-announcement-item-main strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--fs-md); line-height: 1.4; }
.ldk-announcement-summary { display: -webkit-box; overflow: hidden; color: var(--tx-2); font-size: var(--fs-sm); line-height: 1.6; text-overflow: ellipsis; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.ldk-announcement-item time, .ldk-announcement-detail-meta { color: var(--tx-3); font-size: var(--fs-xs); line-height: 1.5; }
.ldk-announcement-item-meta { display: flex; align-items: center; gap: 8px; color: var(--tx-3); font-size: var(--fs-xs); line-height: 1.5; }
.ldk-announcement-item-meta time { margin-left: auto; }
.ldk-announcement-detail { display: grid; gap: 18px; padding: 2px 4px 8px; }
.ldk-announcement-detail-title { margin: 0; color: var(--tx-1); font-size: clamp(20px, 3vw, 28px); line-height: 1.35; }
.ldk-announcement-richtext { color: var(--tx-2); line-height: 1.85; overflow-wrap: anywhere; padding-top: 2px; }
.ldk-announcement-richtext p { margin: 0 0 12px; }
.ldk-announcement-richtext h1, .ldk-announcement-richtext h2, .ldk-announcement-richtext h3 { margin: 0 0 14px; color: var(--tx-1); }
.ldk-announcement-richtext a { color: var(--neon-cyan); }
.ldk-announcement-back { justify-self: start; padding-left: 0; color: var(--tx-2); }
.ldk-announcement-gift { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 14px; padding: 15px 16px; border: 1px solid rgba(255, 200, 87, .3); border-radius: var(--r-md); background: linear-gradient(110deg, rgba(255, 200, 87, .13), rgba(255, 200, 87, .04)); box-shadow: inset 3px 0 0 rgba(255, 200, 87, .7); }
.ldk-announcement-gift strong { color: var(--neon-gold); font-size: var(--fs-sm); }
.ldk-announcement-gift-chips { flex: 1; min-width: 180px; color: var(--tx-2); font-size: var(--fs-sm); line-height: 1.6; }
@media (max-width: 768px) {
  .app-body { flex-direction: column-reverse; }
  .navrail { width: 100%; height: calc(62px + env(safe-area-inset-bottom, 0px)); flex-direction: row; justify-content: flex-start; gap: var(--sp-2); padding: 0 var(--sp-2) env(safe-area-inset-bottom, 0px); border-right: none; border-top: 1px solid var(--line-strong); box-shadow: none; }
  .nav-logo { display: none; }
  .nav-btns { flex-direction: row; gap: 0; flex: 1; min-width: 0; justify-content: flex-start; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .nav-btns::-webkit-scrollbar { display: none; }
  .nav-btns .nav-btn { flex: none; }
  .nav-btn.active::before { left: 50%; top: auto; bottom: 3px; transform: translateX(-50%); width: 22px; height: 3px; }
  .nav-bottom { flex-direction: row; gap: var(--sp-2); flex: none; }
  .topbar { padding: 0 var(--sp-3); gap: var(--sp-2); }
  .top-search { display: none; }
  .menu-btn { display: inline-flex; }
  .module-title { min-width: 0; overflow: hidden; text-overflow: ellipsis; font-size: var(--fs-md); }
  .top-actions .checkin-btn span { display: none; }
  .ldk-announcement-btn { width: 34px; height: 34px; }
  .ldk-announcement-btn .i { width: 18px; height: 18px; }
  .ldk-announcement-count { top: -4px; right: -5px; }
  .ldk-announcement-item { padding: 14px 13px; }
  .ldk-announcement-list { max-height: 58vh; padding-right: 2px; }
  .ldk-announcement-summary { -webkit-line-clamp: 2; }
  .ldk-announcement-gift-chips { min-width: 140px; }
  .ldk-announcement-item-meta { align-items: flex-start; flex-direction: column; gap: 2px; }
  .ldk-announcement-item-meta time { margin-left: 0; }
}
@media (max-width: 360px) { .topbar { padding: 0 var(--sp-2); gap: 6px; } .module-title { flex: 1; } .top-actions { gap: 6px; margin-left: 0; } .top-actions #vipBadge { display: none; } }