/*
 * 已登录工作台（home.html）视觉体系
 * 复用 landing.css 的设计令牌（--lw-*），仅补充工作台特有的结构：
 * 页面加载动画、骨架屏、统计卡、侧边卡片、动态时间线、权限禁用态、通知入口。
 * 约定：颜色、字号、圆角、动效节奏全部沿用 landing.css，保证与落地页视觉统一。
 */

/* ===== 首屏加载动画 ===== */
.lw-page-loader {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: #fff;
  transition: opacity 300ms ease, visibility 300ms ease;
}

.lw-page-loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.lw-loader-ring {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 3px solid var(--lw-line);
  border-top-color: var(--lw-accent);
  animation: lw-spin 800ms linear infinite;
}

@keyframes lw-spin {
  to { transform: rotate(360deg); }
}

.lw-loader-text {
  color: var(--lw-ink-3);
  font-size: 0.875rem;
}

/* ===== 骨架屏 ===== */
.lw-skeleton {
  display: block;
  border-radius: 0.5rem;
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 37%, #f1f5f9 63%);
  background-size: 400% 100%;
  animation: lw-shimmer 1.4s ease infinite;
}

@keyframes lw-shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

.lw-skeleton-line {
  height: 0.75rem;
  margin-bottom: 0.5rem;
}

.lw-skeleton-title {
  height: 1.25rem;
  width: 45%;
  margin-bottom: 0.75rem;
}

/* ===== 模块进入动画 ===== */
.lw-fade-in {
  animation: lw-fade-in 320ms ease both;
}

@keyframes lw-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ===== 工作台布局 ===== */
.lw-workbench {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .lw-workbench {
    grid-template-columns: minmax(0, 1fr) 20rem;
  }
}

.lw-panel {
  background: #fff;
  border: 1px solid var(--lw-line);
  border-radius: 1rem;
  padding: 1.5rem;
}

.lw-panel + .lw-panel {
  margin-top: 1.5rem;
}

.lw-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.lw-panel-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--lw-ink);
}

.lw-panel-sub {
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  color: var(--lw-ink-3);
}

/* ===== 欢迎横幅 ===== */
.lw-hero-card {
  background: linear-gradient(140deg, #eff6ff 0%, #ffffff 62%);
  border: 1px solid #bfdbfe;
  border-radius: 1rem;
  padding: 1.75rem;
}

/* ===== 统计卡 ===== */
.lw-stat-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
}

.lw-stat-card {
  border: 1px solid var(--lw-line);
  border-radius: 0.875rem;
  padding: 1.125rem;
  transition: border-color 200ms ease, box-shadow 200ms ease, transform 200ms ease;
}

.lw-stat-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 12px 28px -18px rgba(15, 23, 42, 0.24);
}

.lw-stat-label {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--lw-ink-3);
  font-size: 0.8125rem;
}

.lw-stat-value {
  margin-top: 0.5rem;
  color: var(--lw-ink);
  font-size: 1.625rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.lw-stat-hint {
  margin-top: 0.375rem;
  color: var(--lw-ink-3);
  font-size: 0.75rem;
}

.lw-stat-card.is-loading .lw-stat-value {
  color: transparent;
}

/* ===== 分段筛选（时间范围） ===== */
.lw-segmented {
  display: inline-flex;
  padding: 0.1875rem;
  background: #f1f5f9;
  border-radius: 0.625rem;
}

.lw-segmented button {
  border-radius: 0.5rem;
  padding: 0.3125rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--lw-ink-2);
  transition: background-color 180ms ease, color 180ms ease;
}

.lw-segmented button:hover {
  color: var(--lw-accent);
}

.lw-segmented button.is-active {
  background: #fff;
  color: var(--lw-accent);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}

/* ===== 快捷操作 ===== */
.lw-quick-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
}

.lw-quick-tile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--lw-line);
  border-radius: 0.875rem;
  padding: 0.875rem 1rem;
  text-align: left;
  background: #fff;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.lw-quick-tile:hover {
  border-color: var(--lw-accent);
  background: var(--lw-accent-soft);
  transform: translateY(-1px);
}

.lw-quick-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  flex: none;
  border-radius: 0.625rem;
  background: var(--lw-accent-soft);
  color: var(--lw-accent);
}

/* ===== 待办 ===== */
.lw-todo-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--lw-line);
  border-radius: 0.875rem;
}

.lw-todo-item + .lw-todo-item {
  margin-top: 0.625rem;
}

.lw-todo-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--lw-ink);
}

.lw-todo-meta {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--lw-ink-3);
}

/* ===== 动态时间线 ===== */
.lw-timeline {
  position: relative;
  padding-left: 1.25rem;
}

.lw-timeline::before {
  content: '';
  position: absolute;
  left: 0.3125rem;
  top: 0.375rem;
  bottom: 0.375rem;
  width: 1px;
  background: var(--lw-line);
}

.lw-timeline-item {
  position: relative;
  padding: 0 0 1rem 0.25rem;
}

.lw-timeline-item:last-child {
  padding-bottom: 0;
}

.lw-timeline-dot {
  position: absolute;
  left: -1.25rem;
  top: 0.3125rem;
  width: 0.6875rem;
  height: 0.6875rem;
  border-radius: 999px;
  background: #fff;
  border: 2px solid var(--lw-accent);
}

.lw-timeline-time {
  color: var(--lw-ink-3);
  font-size: 0.75rem;
}

.lw-timeline-text {
  color: var(--lw-ink-2);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-top: 0.125rem;
}

/* ===== 侧边栏 ===== */
.lw-side-card {
  background: #fff;
  border: 1px solid var(--lw-line);
  border-radius: 1rem;
  padding: 1.25rem;
}

.lw-side-card + .lw-side-card {
  margin-top: 1.25rem;
}

.lw-side-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--lw-ink);
  margin-bottom: 0.875rem;
}

.lw-side-list {
  max-height: 15rem;
  overflow-y: auto;
}

.lw-side-item {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  width: 100%;
  padding: 0.5rem 0.375rem;
  border-radius: 0.5rem;
  text-align: left;
  transition: background-color 180ms ease;
}

.lw-side-item:hover {
  background: #f8fafc;
}

.lw-side-item-title {
  flex: 1;
  min-width: 0;
  font-size: 0.875rem;
  color: var(--lw-ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lw-side-item-meta {
  flex: none;
  font-size: 0.75rem;
  color: var(--lw-ink-3);
}

/* ===== 通知入口 ===== */
.lw-bell {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.625rem;
  color: var(--lw-ink-2);
  transition: background-color 180ms ease, color 180ms ease;
}

.lw-bell:hover {
  background: #f1f5f9;
  color: var(--lw-accent);
}

.lw-bell-dot {
  position: absolute;
  top: 0.375rem;
  right: 0.4375rem;
  min-width: 1rem;
  height: 1rem;
  padding: 0 0.25rem;
  border-radius: 999px;
  background: #dc2626;
  color: #fff;
  font-size: 0.625rem;
  line-height: 1rem;
  text-align: center;
}

.lw-notice-panel {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  width: 20rem;
  max-width: calc(100vw - 2rem);
  background: #fff;
  border: 1px solid var(--lw-line);
  border-radius: 0.75rem;
  box-shadow: 0 20px 45px -22px rgba(15, 23, 42, 0.35);
  z-index: 60;
  overflow: hidden;
}

.lw-notice-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #f1f5f9;
  transition: background-color 180ms ease;
}

.lw-notice-item:last-child {
  border-bottom: none;
}

.lw-notice-item:hover {
  background: #f8fafc;
}

/* ===== 按钮点击动效（由 home.js 的 pointerdown/up 切换） ===== */
.lw-btn,
.lw-quick-tile,
.lw-side-item {
  will-change: transform;
}

.lw-pressed {
  transform: scale(0.97);
}

.lw-lock-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  background: #f1f5f9;
  color: var(--lw-ink-3);
  font-size: 0.6875rem;
  font-weight: 600;
}

/* ===== 角色徽标 ===== */
.lw-badge-role {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
}

.lw-badge-role.is-admin {
  background: #eef2ff;
  color: #4338ca;
}

.lw-badge-role.is-user {
  background: var(--lw-accent-soft);
  color: var(--lw-accent);
}

/* ===== 空状态 ===== */
.lw-empty {
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--lw-ink-3);
  font-size: 0.875rem;
}

.lw-empty i {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
  opacity: 0.6;
}

/* ===== 无障碍与低动效 ===== */
.lw-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  .lw-loader-ring,
  .lw-skeleton,
  .lw-fade-in {
    animation: none;
  }

  .lw-quick-tile:hover {
    transform: none;
  }
}