/* ============================================================
   EquipPM 统一主题（设计稿 ep- 体系完整提取）
   来源：E:\equippm-subtask-design.html（去掉原型容器前缀）
   外壳按真实应用适配：全视口、内容区滚动（原型为预览盒样式）
   ============================================================ */

:root {
  color-scheme: light dark;
  --ep-page: light-dark(#eef3f8, #0b1220);
  --ep-surface: light-dark(#ffffff, #111b2e);
  --ep-surface-soft: light-dark(#f7f9fc, #162238);
  --ep-sidebar: light-dark(#102a43, #07101f);
  --ep-sidebar-2: light-dark(#163a5f, #0d1c32);
  --ep-sidebar-text: light-dark(#dbe9f5, #dbe9f5);
  --ep-sidebar-muted: light-dark(#9fb8cf, #90a9c1);
  --ep-text: light-dark(#172334, #edf4ff);
  --ep-muted: light-dark(#68778a, #9eacc0);
  --ep-line: light-dark(#dbe3ec, #293851);
  --ep-primary: light-dark(#2563a9, #62a8f6);
  --ep-primary-strong: light-dark(#174f8d, #86bdff);
  --ep-primary-text: light-dark(#ffffff, #07111f);
  --ep-accent-soft: light-dark(#e8f2fd, #152e4b);
  --ep-success: light-dark(#247a55, #61d69d);
  --ep-success-soft: light-dark(#e8f7ef, #143628);
  --ep-warning: light-dark(#a36512, #f0b85a);
  --ep-warning-soft: light-dark(#fff5df, #3b2b13);
  --ep-danger: light-dark(#b43a43, #ff8189);
  --ep-danger-soft: light-dark(#ffe8ea, #3a1517);
  --ep-shadow: light-dark(0 16px 40px rgba(30, 52, 76, .14), 0 18px 46px rgba(0, 0, 0, .34));
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--ep-text);
  background: var(--ep-page);
}

* { box-sizing: border-box; }

.ep-window button,
.ep-window input,
.ep-window select,
.ep-window textarea { font: inherit; }

/* ============ 外壳：窗口 / 侧边栏 / 顶栏 ============ */

.ep-window {
  position: relative;
  display: grid;
  grid-template-columns: 188px minmax(0, 1fr);
  height: 100vh;
  min-height: 100vh;
  overflow: hidden;
  background: var(--ep-page);
}

.ep-window.ep-nav-collapsed { grid-template-columns: 68px minmax(0, 1fr); }

.ep-sidebar {
  display: flex;
  min-width: 0;
  flex-direction: column;
  color: var(--ep-sidebar-text);
  background: linear-gradient(180deg, var(--ep-sidebar) 0%, var(--ep-sidebar-2) 100%);
  padding: 16px 10px 12px;
  overflow-y: auto;
}

.ep-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 2px 8px 18px;
  white-space: nowrap;
}

.ep-brand-mark {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 9px;
  color: var(--ep-primary-text);
  background: var(--ep-primary);
  font-weight: 600;
}

.ep-brand-copy { min-width: 0; }
.ep-brand-name { font-weight: 500; }
.ep-brand-sub { color: var(--ep-sidebar-muted); font-size: 11px; }

.ep-nav-section {
  padding: 10px 10px 6px;
  color: var(--ep-sidebar-muted);
  font-size: 11px;
  letter-spacing: .08em;
}

.ep-nav-item,
.ep-nav-group-button {
  width: 100%;
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 0;
  border-radius: 9px;
  padding: 8px 10px;
  color: var(--ep-sidebar-text);
  background: transparent;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  font: inherit;
}

.ep-nav-item:hover,
.ep-nav-group-button:hover { background: color-mix(in srgb, var(--ep-sidebar-text) 9%, transparent); }

.ep-nav-item.is-active {
  color: var(--ep-sidebar-text);
  background: color-mix(in srgb, var(--ep-primary) 35%, transparent);
}

.ep-nav-text { overflow: hidden; text-overflow: ellipsis; }

.ep-nav-count {
  margin-left: auto;
  min-width: 20px;
  padding: 1px 6px;
  border-radius: 999px;
  color: var(--ep-primary-text);
  background: var(--ep-primary);
  text-align: center;
  font-size: 11px;
}

.ep-nav-chevron { margin-left: auto; transition: transform .18s ease; }
.ep-nav-group-button[aria-expanded="true"] .ep-nav-chevron { transform: rotate(90deg); }

.ep-nav-submenu { display: none; padding: 2px 0 4px 34px; }
.ep-nav-submenu.is-open { display: grid; }

.ep-nav-submenu button {
  border: 0;
  padding: 7px 8px;
  color: var(--ep-sidebar-muted);
  background: transparent;
  cursor: pointer;
  text-align: left;
  font: inherit;
}

.ep-nav-submenu button:hover { color: var(--ep-sidebar-text); }
.ep-nav-submenu button.is-active { color: var(--ep-primary-strong); }

.ep-sidebar-spacer { flex: 1; min-height: 18px; }

.ep-account {
  display: flex;
  gap: 9px;
  align-items: center;
  padding: 12px 8px 2px;
  border-top: 1px solid color-mix(in srgb, var(--ep-sidebar-text) 14%, transparent);
}

.ep-avatar {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--ep-sidebar);
  background: var(--ep-sidebar-text);
  font-size: 12px;
  font-weight: 600;
}

.ep-account-name { white-space: nowrap; font-size: 12px; }
.ep-account-role { color: var(--ep-sidebar-muted); font-size: 11px; }

.ep-window.ep-nav-collapsed .ep-brand-copy,
.ep-window.ep-nav-collapsed .ep-nav-section,
.ep-window.ep-nav-collapsed .ep-nav-text,
.ep-window.ep-nav-collapsed .ep-nav-count,
.ep-window.ep-nav-collapsed .ep-nav-chevron,
.ep-window.ep-nav-collapsed .ep-account-copy,
.ep-window.ep-nav-collapsed .ep-nav-submenu { display: none; }

.ep-window.ep-nav-collapsed .ep-brand,
.ep-window.ep-nav-collapsed .ep-account { justify-content: center; padding-left: 0; padding-right: 0; }

.ep-window.ep-nav-collapsed .ep-nav-item,
.ep-window.ep-nav-collapsed .ep-nav-group-button { justify-content: center; padding-left: 0; padding-right: 0; }

.ep-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.ep-topbar {
  height: 58px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  border-bottom: 1px solid var(--ep-line);
  background: var(--ep-surface);
}

.ep-icon-button {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--ep-line);
  border-radius: 9px;
  color: var(--ep-text);
  background: var(--ep-surface);
  cursor: pointer;
}

.ep-icon-button:hover { background: var(--ep-surface-soft); }

.ep-topbar-title { min-width: 0; font-weight: 500; }
.ep-topbar-breadcrumb { color: var(--ep-muted); font-size: 11px; }
.ep-topbar-spacer { flex: 1; }

.ep-bell { position: relative; }

.ep-bell::after {
  content: attr(data-count);
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 17px;
  padding: 1px 4px;
  border: 2px solid var(--ep-surface);
  border-radius: 999px;
  color: var(--ep-primary-text);
  background: var(--ep-danger);
  font-size: 9px;
  text-align: center;
}

.ep-bell[data-count="0"]::after { display: none; }

.ep-user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ep-muted);
  font-size: 12px;
}

.ep-topbar-copy { min-width: 0; display: grid; }

/* 顶栏用户弹层 */
.ep-user-chip-wrap { position: relative; }

.ep-user-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 900;
  min-width: 168px;
  padding: 6px;
  border: 1px solid var(--ep-line);
  border-radius: 10px;
  background: var(--ep-surface);
  box-shadow: var(--ep-shadow);
}

.ep-user-popover-head { padding: 8px 9px 10px; border-bottom: 1px solid var(--ep-line); margin-bottom: 6px; }

.ep-user-popover-logout {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  border: 0;
  border-radius: 7px;
  padding: 8px 9px;
  color: var(--ep-text);
  background: transparent;
  cursor: pointer;
  text-align: left;
  font: inherit;
}

.ep-user-popover-logout:hover { background: var(--ep-surface-soft); }

.ep-content {
  flex: 1;
  padding: 18px;
  overflow-y: auto;
  min-height: 0;
}

/* ============ 页面骨架元素 ============ */

.ep-breadcrumb { margin-bottom: 6px; color: var(--ep-muted); font-size: 12px; }

.ep-page-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.ep-page-heading h2 { margin: 0 0 4px; font-size: 22px; font-weight: 500; }
.ep-subtitle { color: var(--ep-muted); font-size: 12px; }

.ep-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.ep-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 34px;
  border: 1px solid var(--ep-line);
  border-radius: 9px;
  padding: 7px 11px;
  color: var(--ep-text);
  background: var(--ep-surface);
  cursor: pointer;
  text-decoration: none;
  font: inherit;
}

.ep-action:hover { background: var(--ep-surface-soft); border-color: var(--ep-primary); }

.ep-action.ep-primary {
  border-color: var(--ep-primary);
  color: var(--ep-primary-text);
  background: var(--ep-primary);
}

.ep-action.ep-primary:hover { background: var(--ep-primary-strong); border-color: var(--ep-primary-strong); }

.ep-action.ep-ghost { border-color: transparent; background: transparent; }
.ep-action.ep-danger { border-color: var(--ep-danger); color: var(--ep-danger); }
.ep-action.ep-danger:hover { background: var(--ep-danger-soft); }
.ep-action:disabled { opacity: .5; cursor: not-allowed; }

/* 兼容别名（过渡期旧新页共用） */
.ep-btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 34px; border: 1px solid var(--ep-line); border-radius: 9px; padding: 7px 11px; color: var(--ep-text); background: var(--ep-surface); cursor: pointer; text-decoration: none; font: inherit; }
.ep-btn:hover { background: var(--ep-surface-soft); border-color: var(--ep-primary); }
.ep-btn-primary { border-color: var(--ep-primary); color: var(--ep-primary-text); background: var(--ep-primary); }
.ep-btn-primary:hover { background: var(--ep-primary-strong); border-color: var(--ep-primary-strong); }
.ep-btn-ghost { border-color: transparent; background: transparent; }
.ep-btn-danger { border-color: var(--ep-danger); color: var(--ep-danger); }
.ep-btn-danger:hover { background: var(--ep-danger-soft); }
.ep-btn:disabled { opacity: .5; cursor: not-allowed; }
.ep-table-section { border: 1px solid var(--ep-line); border-radius: 11px; background: var(--ep-surface); overflow: hidden; margin-bottom: 16px; }

/* ============ 页签 / 权限提示条 ============ */

.ep-tabs {
  display: flex;
  gap: 18px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--ep-line);
  overflow-x: auto;
}

.ep-tab {
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 8px 2px 10px;
  color: var(--ep-muted);
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  font: inherit;
  text-decoration: none;
}

.ep-tab.is-active { border-bottom-color: var(--ep-primary); color: var(--ep-primary-strong); }

.ep-scope {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding: 9px 11px;
  border-left: 3px solid var(--ep-primary);
  color: var(--ep-primary-strong);
  background: var(--ep-accent-soft);
  font-size: 12px;
}

/* ============ 汇总磁贴 ============ */

.ep-work-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  margin-bottom: 14px;
}

.ep-summary-item {
  padding: 12px;
  border: 1px solid var(--ep-line);
  border-radius: 10px;
  background: var(--ep-surface);
}

.ep-summary-value { margin-top: 4px; font-size: 20px; font-weight: 500; }
.ep-summary-label { color: var(--ep-muted); font-size: 11px; }

/* ============ 分区卡片 / 表格 ============ */

.ep-section {
  border: 1px solid var(--ep-line);
  border-radius: 11px;
  background: var(--ep-surface);
  overflow: hidden;
}

.ep-section + .ep-section { margin-top: 14px; }

.ep-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 13px;
  border-bottom: 1px solid var(--ep-line);
  font-weight: 500;
}

.ep-table-wrap { overflow-x: auto; }

.ep-table { width: 100%; border-collapse: collapse; font-size: 12px; }

.ep-table th,
.ep-table td {
  padding: 10px 11px;
  border-bottom: 1px solid var(--ep-line);
  text-align: left;
  white-space: nowrap;
}

.ep-table th { color: var(--ep-muted); font-weight: 400; background: var(--ep-surface-soft); }
.ep-table tr:last-child td { border-bottom: 0; }
.ep-table tbody tr:hover { background: var(--ep-surface-soft); }

.ep-empty-row { padding: 22px !important; color: var(--ep-muted); text-align: center !important; white-space: normal !important; }

/* ============ 表单 ============ */

.ep-form { display: grid; gap: 10px; padding: 13px; }
.ep-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.ep-field { display: grid; gap: 4px; }
.ep-field label { color: var(--ep-muted); font-size: 11px; }

.ep-field input,
.ep-field select,
.ep-field textarea {
  width: 100%;
  min-height: 34px;
  border: 1px solid var(--ep-line);
  border-radius: 8px;
  padding: 7px 9px;
  color: var(--ep-text);
  background: var(--ep-surface-soft);
  font: inherit;
}

.ep-field textarea { min-height: 62px; resize: vertical; }

.ep-field input:focus,
.ep-field select:focus,
.ep-field textarea:focus { outline: 2px solid var(--ep-primary); outline-offset: -1px; }

.ep-field input:disabled,
.ep-field select:disabled,
.ep-field textarea:disabled { opacity: .55; cursor: not-allowed; }

.ep-form-hint { color: var(--ep-warning); font-size: 11px; }
.ep-inline-message { min-height: 18px; color: var(--ep-danger); font-size: 11px; }

/* ============ 状态徽标 / 进度 ============ */

.ep-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  width: fit-content;
  border-radius: 999px;
  padding: 3px 8px;
  color: var(--ep-primary-strong);
  background: var(--ep-accent-soft);
  font-size: 11px;
  white-space: nowrap;
}

.ep-status.ep-warn { color: var(--ep-warning); background: var(--ep-warning-soft); }
.ep-status.ep-ok { color: var(--ep-success); background: var(--ep-success-soft); }
.ep-status.ep-danger { color: var(--ep-danger); background: var(--ep-danger-soft); }

.ep-progress-line { display: flex; align-items: center; gap: 7px; }
.ep-progress-track { width: 72px; height: 6px; overflow: hidden; border-radius: 999px; background: var(--ep-line); }
.ep-progress-fill { height: 100%; border-radius: inherit; background: var(--ep-primary); }

.ep-progress-editor { display: flex; align-items: center; gap: 8px; min-width: 180px; }
.ep-progress-editor input[type="range"] { width: 120px; accent-color: var(--ep-primary); }
.ep-progress-number { min-width: 34px; color: var(--ep-primary-strong); font-variant-numeric: tabular-nums; }

/* ============ 主任务卡片 / 子任务预览 ============ */

.ep-task-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 9px;
  color: var(--ep-muted);
  font-size: 12px;
}

.ep-task-list { display: grid; gap: 9px; }

.ep-main-task {
  border: 1px solid var(--ep-line);
  border-radius: 11px;
  background: var(--ep-surface);
  overflow: hidden;
}

.ep-main-task.is-selected { border-color: var(--ep-primary); box-shadow: 0 0 0 2px color-mix(in srgb, var(--ep-primary) 16%, transparent); }

.ep-main-task-row {
  display: grid;
  grid-template-columns: minmax(170px, 1.5fr) minmax(105px, .7fr) minmax(105px, .7fr) minmax(95px, .65fr) auto;
  gap: 12px;
  align-items: center;
  padding: 13px 14px;
  cursor: default;
}

/* 允许各列压缩到内容以下，避免行尾按钮组被挤出屏幕（按钮组自身 nowrap） */
.ep-main-task-row > * { min-width: 0; }

.ep-main-task-row:hover { background: var(--ep-surface-soft); }
.ep-task-name { font-weight: 500; }
.ep-task-meta { margin-top: 3px; color: var(--ep-muted); font-size: 11px; }
.ep-cell-label { display: block; margin-bottom: 3px; color: var(--ep-muted); font-size: 10px; }
.ep-date { font-variant-numeric: tabular-nums; font-size: 12px; }

.ep-task-open {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border: 0;
  padding: 7px;
  color: var(--ep-primary-strong);
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  font: inherit;
}

/* 任务卡行尾的操作按钮组：占 grid 的最后一列，两个按钮并排不换行 */
.ep-task-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
  white-space: nowrap;
}

.ep-subtask-preview {
  display: none;
  padding: 0 14px 12px;
  border-top: 1px solid var(--ep-line);
  background: var(--ep-surface-soft);
}

.ep-main-task.is-expanded .ep-subtask-preview { display: block; }

.ep-preview-row {
  display: grid;
  grid-template-columns: 1.5fr .7fr .7fr .7fr;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--ep-line);
  font-size: 12px;
}

.ep-preview-row:last-child { border-bottom: 0; }

/* ============ 工作行（部门任务 / 我的任务列表行） ============ */

.ep-work-row {
  display: grid;
  grid-template-columns: minmax(170px, 1.5fr) minmax(100px, .75fr) minmax(100px, .75fr) minmax(110px, .8fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 13px;
  border-bottom: 1px solid var(--ep-line);
  background: var(--ep-surface);
}

.ep-work-row:first-child { border-radius: 10px 10px 0 0; }
.ep-work-row:last-child { border-bottom: 0; border-radius: 0 0 10px 10px; }

.ep-owner-badge {
  display: inline-block;
  margin-left: 5px;
  padding: 1px 5px;
  border-radius: 999px;
  color: var(--ep-success);
  background: var(--ep-success-soft);
  font-size: 10px;
}

/* ============ 主任务摘要卡 / 双栏布局 ============ */

.ep-parent-summary {
  display: grid;
  grid-template-columns: minmax(200px, 1.6fr) repeat(3, minmax(90px, .7fr));
  gap: 12px;
  margin-bottom: 13px;
  padding: 14px;
  border: 1px solid var(--ep-line);
  border-radius: 11px;
  background: var(--ep-surface);
}

.ep-parent-title { font-weight: 500; }

.ep-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(250px, .8fr);
  gap: 12px;
  align-items: start;
}

/* ============ 空态 / 提示条 ============ */

.ep-access-empty {
  display: grid;
  place-items: center;
  min-height: 270px;
  padding: 24px;
  border: 1px dashed var(--ep-line);
  border-radius: 11px;
  color: var(--ep-muted);
  background: var(--ep-surface);
  text-align: center;
}

.ep-next-tip {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 11px;
  border-left: 3px solid var(--ep-success);
  color: var(--ep-success);
  background: var(--ep-success-soft);
  font-size: 11px;
}

/* ============ 工作台布局 / 入口格 ============ */

.ep-dashboard-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(260px, .85fr);
  gap: 14px;
  margin-top: 14px;
}

.ep-entry-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; }

.ep-entry-button {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--ep-line);
  border-radius: 10px;
  padding: 11px;
  color: var(--ep-text);
  background: var(--ep-surface);
  cursor: pointer;
  text-align: left;
  font: inherit;
}

.ep-entry-button:hover { border-color: var(--ep-primary); background: var(--ep-accent-soft); }

.ep-entry-copy { min-width: 0; }

.ep-entry-copy strong,
.ep-entry-copy span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ep-entry-copy span { margin-top: 2px; color: var(--ep-muted); font-size: 11px; }

.ep-dashboard-list { display: grid; gap: 8px; }

.ep-dashboard-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--ep-line);
}

.ep-dashboard-item:last-child { border-bottom: 0; }

.ep-project-picker { min-width: 190px; }

/* ============ 问题页布局 ============ */

.ep-issue-layout { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(270px, .7fr); gap: 14px; }

.ep-issue-row {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) .65fr .65fr auto;
  gap: 10px;
  align-items: center;
}

/* ============ 弹窗（document 级 fixed） ============ */

.ep-dialog-layer {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: color-mix(in srgb, var(--ep-sidebar) 58%, transparent);
}

.ep-dialog-layer.is-open { display: flex; }

.ep-dialog {
  width: min(520px, 100%);
  max-height: 92%;
  overflow-y: auto;
  border: 1px solid var(--ep-line);
  border-radius: 13px;
  background: var(--ep-surface);
  box-shadow: var(--ep-shadow);
}

.ep-dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 15px;
  border-bottom: 1px solid var(--ep-line);
  font-weight: 500;
}

.ep-dialog-head h3 { margin: 0; font-size: 15px; font-weight: 500; }
.ep-dialog-body { padding: 14px 15px; }
.ep-dialog-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 0 15px 15px; }

/* ============ 右键菜单 ============ */

.ep-context-menu {
  position: fixed;
  z-index: 1100;
  display: none;
  min-width: 178px;
  max-height: calc(100vh - 16px);   /* 菜单比屏幕高时内部滚动，不越界 */
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--ep-line);
  border-radius: 10px;
  background: var(--ep-surface);
  box-shadow: var(--ep-shadow);
}

/* 右键菜单的全屏透明关闭层 */
.ep-context-overlay { position: fixed; inset: 0; z-index: 1050; }

.ep-context-menu.is-open { display: grid; }

.ep-context-menu button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  border: 0;
  border-radius: 7px;
  padding: 8px 9px;
  color: var(--ep-text);
  background: transparent;
  cursor: pointer;
  text-align: left;
  font: inherit;
}

.ep-context-menu button:hover { background: var(--ep-surface-soft); }
.ep-context-menu button.ep-danger { color: var(--ep-danger); }

/* ============ Toast ============ */

.ep-toast {
  position: fixed;
  z-index: 1200;
  right: 16px;
  bottom: 16px;
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 13px;
  border: 1px solid var(--ep-line);
  border-radius: 9px;
  color: var(--ep-success);
  background: var(--ep-surface);
  box-shadow: var(--ep-shadow);
  font-size: 12px;
  max-width: min(420px, 80vw);
}

.ep-toast.is-open { display: flex; animation: ep-slide-in 0.3s ease; }
.ep-toast.ep-warn { color: var(--ep-warning); }
.ep-toast.ep-danger { color: var(--ep-danger); }

@keyframes ep-slide-in {
  from { transform: translateX(400px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ============ 甘特 ============ */

.ep-gantt-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 262px;
  gap: 12px;
  align-items: start;
}

.ep-gantt-board {
  border: 1px solid var(--ep-line);
  border-radius: 11px;
  background: var(--ep-surface);
  overflow: hidden;
}

.ep-gantt-board-scroll { overflow-x: auto; }
.ep-gantt-canvas { min-width: 680px; }

.ep-gantt-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 13px;
  border-bottom: 1px solid var(--ep-line);
}

.ep-gantt-toolbar strong { font-weight: 500; }

.ep-gantt-legend { display: flex; flex-wrap: wrap; gap: 10px; color: var(--ep-muted); font-size: 11px; }
.ep-gantt-legend span { display: inline-flex; align-items: center; gap: 5px; }

.ep-gantt-legend i {
  display: inline-block;
  width: 14px;
  height: 6px;
  border-radius: 3px;
  background: var(--ep-primary);
}

.ep-gantt-legend i.ep-parent-key { background: var(--ep-muted); }

.ep-gantt-head,
.ep-gantt-row { display: grid; grid-template-columns: 154px minmax(510px, 1fr); }

.ep-gantt-head { border-bottom: 1px solid var(--ep-line); }

.ep-gantt-label-head,
.ep-gantt-row-label {
  display: flex;
  align-items: center;
  padding: 9px 11px;
  border-right: 1px solid var(--ep-line);
}

.ep-gantt-label-head { color: var(--ep-muted); font-size: 11px; }
.ep-gantt-row { border-bottom: 1px solid var(--ep-line); }
.ep-gantt-row:last-child { border-bottom: 0; }

.ep-gantt-row-label { min-height: 58px; align-items: flex-start; flex-direction: column; justify-content: center; }
.ep-gantt-row-label strong { font-size: 12px; font-weight: 500; }
.ep-gantt-row-label span { margin-top: 3px; color: var(--ep-muted); font-size: 10px; }

.ep-gantt-axis {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  min-height: 40px;
  background: var(--ep-surface-soft);
}

.ep-gantt-axis span {
  display: flex;
  align-items: center;
  padding-left: 7px;
  border-left: 1px solid var(--ep-line);
  color: var(--ep-muted);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.ep-gantt-track {
  position: relative;
  min-height: 58px;
  background-color: var(--ep-surface);
  background-image: repeating-linear-gradient(to right, transparent 0, transparent calc(16.666% - 1px), var(--ep-line) calc(16.666% - 1px), var(--ep-line) 16.666%);
  overflow: hidden;
}

.ep-gantt-deadline {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 1px;
  bottom: 0;
  width: 2px;
  background: var(--ep-danger);
}

.ep-gantt-deadline::before {
  content: "主交期";
  position: absolute;
  top: 2px;
  right: 4px;
  color: var(--ep-danger);
  font-size: 9px;
  white-space: nowrap;
}

.ep-gantt-parent-bar,
.ep-gantt-bar {
  position: absolute;
  z-index: 2;
  top: 17px;
  left: 0;
  width: 100%;
  height: 26px;
  border: 0;
  border-radius: 7px;
  padding: 0 8px;
  color: var(--ep-primary-text);
  background: var(--ep-primary);
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 10px;
  touch-action: none;
  user-select: none;
}

.ep-gantt-parent-bar { color: var(--ep-surface); background: var(--ep-muted); cursor: not-allowed; }
.ep-gantt-bar { cursor: grab; }
.ep-gantt-bar:active { cursor: grabbing; }

.ep-gantt-bar.is-selected { outline: 3px solid color-mix(in srgb, var(--ep-primary) 34%, transparent); outline-offset: 2px; }

.ep-gantt-handle {
  position: absolute;
  z-index: 3;
  top: 0;
  bottom: 0;
  width: 8px;
  background: color-mix(in srgb, var(--ep-primary-text) 22%, transparent);
  cursor: ew-resize;
}

.ep-gantt-handle[data-handle="start"] { left: 0; border-radius: 7px 0 0 7px; }
.ep-gantt-handle[data-handle="end"] { right: 0; border-radius: 0 7px 7px 0; }

.ep-gantt-board.is-readonly .ep-gantt-bar { cursor: default; }
.ep-gantt-board.is-readonly .ep-gantt-handle { display: none; }

.ep-gantt-editor {
  border: 1px solid var(--ep-line);
  border-radius: 11px;
  background: var(--ep-surface);
  overflow: hidden;
}

.ep-gantt-editor-head { padding: 12px 13px; border-bottom: 1px solid var(--ep-line); font-weight: 500; }
.ep-gantt-selected-name { margin-bottom: 2px; font-weight: 500; }

.ep-gantt-range {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 5px;
  color: var(--ep-primary-strong);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.ep-gantt-help {
  display: grid;
  gap: 6px;
  margin-top: 12px;
  padding: 10px 11px;
  border-left: 3px solid var(--ep-primary);
  color: var(--ep-muted);
  background: var(--ep-accent-soft);
  font-size: 11px;
}

/* ============ 流程图 ============ */

.ep-flow { display: grid; gap: 10px; padding-top: 4px; }

.ep-flow-lane {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
  align-items: stretch;
}

.ep-lane-label {
  display: grid;
  place-items: center;
  min-height: 76px;
  border-radius: 10px;
  color: var(--ep-primary-strong);
  background: var(--ep-accent-soft);
  text-align: center;
  font-size: 12px;
  font-weight: 500;
}

.ep-flow-track {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--ep-line);
  border-radius: 10px;
  background: var(--ep-surface);
}

.ep-flow-node {
  flex: 1 1 0;
  min-width: 110px;
  padding: 10px;
  border-left: 3px solid var(--ep-primary);
  background: var(--ep-surface-soft);
}

.ep-flow-node strong { display: block; margin-bottom: 3px; font-weight: 500; }
.ep-flow-node span { color: var(--ep-muted); font-size: 11px; }
.ep-flow-arrow { color: var(--ep-muted); flex: 0 0 auto; }

.ep-flow-return {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 102px;
  padding: 9px 11px;
  color: var(--ep-success);
  background: var(--ep-success-soft);
  font-size: 12px;
}

/* ============ Blazor 错误提示 ============ */

#blazor-error-ui {
  color-scheme: light;
  background: #fff7f7;
  border-top: 1px solid #d00;
  bottom: 0;
  box-shadow: 0 -1px 2px rgba(0, 0, 0, .2);
  display: none;
  left: 0;
  padding: 0.6rem 1.25rem 0.7rem 1.25rem;
  position: fixed;
  width: 100%;
  z-index: 2000;
}

#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 0.75rem; top: 0.5rem; }

/* ============ 手机抽屉 ============ */

/* 遮罩：仅手机抽屉打开时可见（桌面端此元素不渲染/不显示） */
.ep-mobile-backdrop { display: none; }

@media (max-width: 620px) {
  .ep-mobile-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1150;
    background: rgba(4, 12, 24, .45);
  }

  /* 抽屉打开时侧栏变覆盖层：从左侧滑出、占约八成宽、盖在内容上 */
  .ep-window.ep-mobile-nav-open .ep-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(84vw, 330px);
    z-index: 1200;
    box-shadow: 0 0 42px rgba(0, 0, 0, .38);
  }

  /* 强制显示文字标签/分区/计数/子菜单：手机上不套用桌面"仅图标"折叠态 */
  .ep-window.ep-mobile-nav-open .ep-brand-copy,
  .ep-window.ep-mobile-nav-open .ep-nav-section,
  .ep-window.ep-mobile-nav-open .ep-account-copy { display: block; }

  .ep-window.ep-mobile-nav-open .ep-nav-text,
  .ep-window.ep-mobile-nav-open .ep-nav-count,
  .ep-window.ep-mobile-nav-open .ep-nav-chevron { display: block; }

  .ep-window.ep-mobile-nav-open .ep-nav-submenu.is-open { display: grid; }

  /* 恢复左对齐与内边距（折叠态把它们居中了） */
  .ep-window.ep-mobile-nav-open .ep-nav-item,
  .ep-window.ep-mobile-nav-open .ep-nav-group-button { justify-content: flex-start; padding-left: 10px; padding-right: 10px; }
  .ep-window.ep-mobile-nav-open .ep-brand,
  .ep-window.ep-mobile-nav-open .ep-account { justify-content: flex-start; padding-left: 8px; padding-right: 8px; }
}

/* ============ 响应式 ============ */

@media (max-width: 860px) {
  /* 窄屏：隐藏主管列，保留 名称/交期/进度/按钮组 四列单行 */
  .ep-main-task-row,
  .ep-work-row { grid-template-columns: minmax(140px, 1.4fr) minmax(90px, .7fr) minmax(85px, .6fr) auto; }
  .ep-main-task-row > :nth-child(3),
  .ep-work-row > :nth-child(3) { display: none; }
  .ep-detail-grid { grid-template-columns: 1fr; }
  .ep-gantt-layout { grid-template-columns: 1fr; }
  .ep-dashboard-layout,
  .ep-issue-layout { grid-template-columns: 1fr; }
  .ep-entry-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ep-parent-summary { grid-template-columns: 1.4fr 1fr; }
  .ep-flow-track { flex-wrap: wrap; }
  .ep-flow-arrow { transform: rotate(90deg); }
}

@media (max-width: 620px) {
  .ep-window,
  .ep-window.ep-nav-collapsed { grid-template-columns: 1fr; }
  .ep-sidebar { display: none; }
  .ep-window.ep-mobile-nav-open .ep-sidebar { display: flex; }
  .ep-content { padding: 13px; }
  .ep-user-chip span { display: none; }
  .ep-page-heading { align-items: stretch; flex-direction: column; }
  .ep-section-head { flex-wrap: wrap; gap: 5px; }
  .ep-actions .ep-action { flex: 1 1 auto; }
  .ep-actions .ep-action { flex: 0 0 auto; }
  .ep-work-summary { grid-template-columns: 1fr 1fr; }
  .ep-entry-grid { grid-template-columns: 1fr; }
  .ep-main-task-row,
  .ep-work-row { grid-template-columns: 1fr auto; }
  .ep-main-task-row > :nth-child(2),
  .ep-main-task-row > :nth-child(3),
  .ep-main-task-row > :nth-child(4),
  .ep-work-row > :nth-child(2),
  .ep-work-row > :nth-child(3),
  .ep-work-row > :nth-child(4) { display: none; }
  .ep-preview-row { grid-template-columns: 1.4fr .8fr; }
  .ep-preview-row > :nth-child(3),
  .ep-preview-row > :nth-child(4) { display: none; }
  .ep-parent-summary,
  .ep-form-row { grid-template-columns: 1fr; }
  .ep-flow-lane { grid-template-columns: 1fr; }
  .ep-lane-label { min-height: 38px; }
  .ep-flow-return { margin-left: 0; }
}