/* ============================================================
   日程管理工作台 — Element Plus 风格主题（手写实现，零依赖）
   设计体系：--el-* 变量 / 4px 圆角 / 细边框 / 线性图标
   参考：Element Plus 默认蓝 #409EFF，暗黑模式 #141414 底
   ============================================================ */

/* ---------- 浅色（默认） ---------- */
:root, html[data-theme="light"] {
  --el-color-primary: #409eff;
  --el-color-primary-light-3: #79bbff;
  --el-color-primary-light-8: #d9ecff;
  --el-color-primary-light-9: #ecf5ff;
  --el-color-primary-dark-2: #337ecc;

  --el-color-success: #67c23a;
  --el-color-success-light-9: #f0f9eb;
  --el-color-warning: #e6a23c;
  --el-color-warning-light-9: #fdf6ec;
  --el-color-danger: #f56c6c;
  --el-color-danger-light-9: #fef0f0;
  --el-color-error: #f56c6c;
  --el-color-info: #909399;
  --el-color-info-light-9: #f4f4f5;

  --el-text-color-primary: #303133;
  --el-text-color-regular: #4a4d52;
  --el-text-color-secondary: #6b7280;
  --el-text-color-placeholder: #a8abb2;

  --el-border-color: #dcdfe6;
  --el-border-color-light: #e4e7ed;
  --el-border-color-lighter: #ebeef5;
  --el-border-color-extra-light: #f2f6fc;

  --el-bg-color: #ffffff;
  --el-bg-color-page: #f5f7fa;
  --el-bg-color-overlay: #ffffff;
  --el-fill-color-light: #f5f7fa;
  --el-fill-color-lighter: #fafafa;

  --el-mask-color: rgba(0, 0, 0, .5);
  --el-shadow: 0 12px 32px 4px rgba(0, 0, 0, .04), 0 8px 20px rgba(0, 0, 0, .08);
  --el-shadow-light: 0 0 12px rgba(0, 0, 0, .12);
  --logo-bg: #2d3a4b;
  --logo-sub: #93c5fd;
  color-scheme: light;
}

/* ---------- 暗黑 ---------- */
html[data-theme="dark"] {
  --el-color-primary: #409eff;
  --el-color-primary-light-3: #3375b9;
  --el-color-primary-light-8: #1d3040;
  --el-color-primary-light-9: #18222c;
  --el-color-primary-dark-2: #79bbff;

  --el-color-success: #67c23a;
  --el-color-success-light-9: #1a2b16;
  --el-color-warning: #e6a23c;
  --el-color-warning-light-9: #2b2311;
  --el-color-danger: #f56c6c;
  --el-color-danger-light-9: #2b1a1a;
  --el-color-error: #f56c6c;
  --el-color-info: #909399;
  --el-color-info-light-9: #202020;

  --el-text-color-primary: #e5eaf3;
  --el-text-color-regular: #cfd3dc;
  --el-text-color-secondary: #a3a6ad;
  --el-text-color-placeholder: #8d9095;

  --el-border-color: #4c4d4f;
  --el-border-color-light: #414243;
  --el-border-color-lighter: #363637;
  --el-border-color-extra-light: #2b2b2c;

  --el-bg-color: #141414;
  --el-bg-color-page: #0d0d0d;
  --el-bg-color-overlay: #1d1d1d;
  --el-fill-color-light: #1d1d1d;
  --el-fill-color-lighter: #191919;

  --el-mask-color: rgba(0, 0, 0, .8);
  --el-shadow: 0 12px 32px 4px rgba(0, 0, 0, .36), 0 8px 20px rgba(0, 0, 0, .72);
  --el-shadow-light: 0 0 12px rgba(0, 0, 0, .48);
  --logo-bg: #1a2332;
  --logo-sub: #5d87c4;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--el-text-color-primary);
  background: var(--el-bg-color-page);
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
svg use { pointer-events: none; }

/* ==================== 布局：侧边栏 + 主区 ==================== */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 200px; flex: none;
  background: var(--logo-bg);
  display: flex; flex-direction: column;
  z-index: 60;
}
.logo {
  height: 60px; flex: none;
  background: var(--logo-bg);
  display: flex; align-items: center; justify-content: center; gap: 10px;
  color: #fff;
}
.logo-icon { width: 26px; height: 26px; color: #79bbff; }
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-cn { font-size: 16px; font-weight: 700; letter-spacing: 2px; }
.logo-en { font-size: 10px; color: var(--logo-sub); letter-spacing: 1px; }

.menu { flex: 1; padding: 12px 10px; overflow-y: auto; }
.menu-item {
  display: flex; align-items: center; gap: 10px;
  height: 44px; padding: 0 14px; margin-bottom: 4px;
  border-radius: 4px; cursor: pointer;
  color: #cfdaea; font-size: 14px;
  text-decoration: none; transition: background-color .2s, color .2s;
}
.menu-item .mi { width: 17px; height: 17px; color: #9aa8ba; transition: color .2s; }
.menu-item:hover { background: rgba(255, 255, 255, .07); color: #fff; }
.menu-item:hover .mi { color: #fff; }
.menu-item.active { background: var(--el-color-primary); color: #fff; font-weight: 600; }
.menu-item.active .mi { color: #fff; }
.sidebar-foot { padding: 12px 16px; border-top: 1px solid rgba(255, 255, 255, .09); }
.ver { font-size: 11px; color: rgba(255, 255, 255, .55); letter-spacing: .5px; }

.main-wrap { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: 56px; flex: none;
  background: var(--el-bg-color);
  border-bottom: 1px solid var(--el-border-color-light);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; gap: 12px;
  position: sticky; top: 0; z-index: 50;
}
.topbar-left { display: flex; align-items: center; gap: 10px; }
.topbar-left h1 { margin: 0; font-size: 17px; font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.user-box {
  display: flex; align-items: center; gap: 6px;
  padding-left: 10px; margin-left: 4px;
  border-left: 1px solid var(--el-border-color-lighter);
  font-size: 13.5px; color: var(--el-text-color-regular);
}
.user-box .user-ico { width: 15px; height: 15px; color: var(--el-text-color-secondary); }

.page { padding: 20px; width: 100%; }
.view > .card, .view > .alert, .view > div:has(> .card), .view > div:has(> .alert) { margin-bottom: 16px; }
.view > div:last-child:empty { margin: 0; }

/* ==================== 卡片 ==================== */
.card {
  background: var(--el-bg-color);
  border: 1px solid var(--el-border-color-lighter);
  border-radius: 4px;
  box-shadow: var(--el-shadow);
  padding: 18px 20px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-title { font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 8px; flex: none; }
.card-title svg { width: 17px; height: 17px; flex: none; color: var(--el-color-primary); }
.card-title svg.danger { color: var(--el-color-danger); }
.card-title svg.warning { color: var(--el-color-warning); }
.card-title svg.info { color: var(--el-text-color-secondary); }
.card-title .tag { margin-left: 4px; font-weight: 500; }

/* ==================== 按钮（el-button 风格） ==================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 5px;
  height: 32px; padding: 0 15px;
  border: 1px solid var(--el-border-color); border-radius: 4px;
  background: var(--el-bg-color); color: var(--el-text-color-regular);
  font-size: 14px; font-family: inherit; line-height: 1;
  cursor: pointer; white-space: nowrap;
  transition: all .15s;
}
.btn:hover { color: var(--el-color-primary); border-color: var(--el-color-primary-light-3); background: var(--el-color-primary-light-9); }
.btn.primary { background: var(--el-color-primary); border-color: var(--el-color-primary); color: #fff; }
.btn.primary:hover { background: var(--el-color-primary-light-3); border-color: var(--el-color-primary-light-3); color: #fff; }
.btn.plain { color: var(--el-color-primary); background: var(--el-color-primary-light-9); border-color: var(--el-color-primary-light-8); }
.btn.plain:hover { background: var(--el-color-primary); border-color: var(--el-color-primary); color: #fff; }
.btn.danger-plain { color: var(--el-color-danger); background: var(--el-color-danger-light-9); border-color: #fbc4c4; }
.btn.danger-plain:hover { background: var(--el-color-danger); border-color: var(--el-color-danger); color: #fff; }
.btn.text { border: none; background: transparent; color: var(--el-color-primary); padding: 0 8px; }
.btn.text:hover { background: var(--el-color-primary-light-9); }
.btn.sm { height: 26px; padding: 0 11px; font-size: 12.5px; }
.btn.block { width: 100%; }
.btn .bi { width: 13px; height: 13px; }

.icon-btn {
  width: 32px; height: 32px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  border: none; background: transparent; border-radius: 4px;
  color: var(--el-text-color-regular); cursor: pointer; transition: all .15s;
}
.icon-btn svg { width: 17px; height: 17px; }
.icon-btn:hover { background: var(--el-fill-color-light); color: var(--el-color-primary); }
.icon-btn.on { color: var(--el-color-primary); }
.icon-btn.sm { width: 26px; height: 26px; }
.icon-btn.sm svg { width: 14px; height: 14px; }

/* ==================== 表单控件 ==================== */
.input, .select {
  height: 32px; padding: 0 11px;
  border: 1px solid var(--el-border-color); border-radius: 4px;
  background: var(--el-bg-color); color: var(--el-text-color-primary);
  font-size: 14px; font-family: inherit; width: 100%;
  transition: border-color .15s, box-shadow .15s;
}
textarea.input { height: auto; padding: 6px 11px; resize: vertical; }
.input:focus, .select:focus {
  outline: none;
  border-color: var(--el-color-primary);
  box-shadow: 0 0 0 1px var(--el-color-primary) inset;
}
.input::placeholder { color: var(--el-text-color-placeholder); }
.select { cursor: pointer; }

.segmented { display: inline-flex; border: 1px solid var(--el-border-color); border-radius: 4px; overflow: hidden; }
.segmented button {
  height: 30px; padding: 0 16px;
  border: none; border-right: 1px solid var(--el-border-color);
  background: var(--el-bg-color); color: var(--el-text-color-regular);
  font-size: 13.5px; font-family: inherit; cursor: pointer; transition: all .15s;
}
.segmented button:last-child { border-right: none; }
.segmented button:hover { color: var(--el-color-primary); }
.segmented button.active { background: var(--el-color-primary-light-9); color: var(--el-color-primary); font-weight: 600; }
.segmented.small button { height: 26px; padding: 0 10px; font-size: 12.5px; }
#segPrep button[data-val="ready"].active { background: var(--el-color-success-light-9); color: var(--el-color-success); }

/* ==================== 标签（el-tag） ==================== */
.tag {
  display: inline-flex; align-items: center; gap: 3px;
  height: 22px; padding: 0 8px; border-radius: 4px;
  font-size: 12px; font-weight: 500; white-space: nowrap; border: 1px solid transparent;
}
.tag.lecture { background: var(--el-color-primary-light-9); color: #2767b3; border-color: var(--el-color-primary-light-8); }
.tag.work { background: var(--el-color-success-light-9); color: #4a8427; border-color: #d1edc4; }
.tag.other { background: var(--el-color-info-light-9); color: #6f747c; border-color: #d3d4d6; }
.tag.prep-not_started { background: var(--el-color-danger-light-9); color: #b94a4a; border-color: #fbc4c4; }
.tag.prep-preparing { background: var(--el-color-warning-light-9); color: #96651f; border-color: #f3d19e; }
.tag.prep-ready { background: var(--el-color-success-light-9); color: #4a8427; border-color: #d1edc4; }
.tag.repeat { background: var(--el-color-primary-light-9); color: #2767b3; border-color: var(--el-color-primary-light-8); }
.tag.num { background: var(--el-color-danger-light-9); color: #c45656; border-color: #fbc4c4; font-weight: 600; }
.tag.num.info { background: var(--el-color-info-light-9); color: #6f747c; border-color: #d3d4d6; }

/* 深色主题下标签用亮色变体 */
html[data-theme="dark"] .tag.lecture, html[data-theme="dark"] .tag.repeat { color: #79bbff; border-color: #1d3050; }
html[data-theme="dark"] .tag.work, html[data-theme="dark"] .tag.prep-ready { color: #95d475; border-color: #123326; }
html[data-theme="dark"] .tag.other, html[data-theme="dark"] .tag.num.info { color: #a8abb2; border-color: #3a3a3b; }
html[data-theme="dark"] .tag.prep-not_started, html[data-theme="dark"] .tag.num { color: #f89898; border-color: #40262a; }
html[data-theme="dark"] .tag.prep-preparing { color: #eebe77; border-color: #3a2e12; }

/* ==================== 提示条（el-alert） ==================== */
.alert { border-radius: 4px; padding: 10px 14px; display: flex; gap: 8px; font-size: 13.5px; }
.alert .ai { width: 16px; height: 16px; flex: none; margin-top: 1px; }
.alert.danger { background: var(--el-color-danger-light-9); color: var(--el-color-danger); }
.alert.warning { background: var(--el-color-warning-light-9); color: var(--el-color-warning); }
.alert b { font-weight: 600; }

/* ==================== 看板任务行 ==================== */
.task-row {
  display: flex; align-items: center; gap: 14px;
  padding: 11px 8px; border-bottom: 1px solid var(--el-border-color-extra-light);
  cursor: pointer; transition: background-color .15s;
}
.task-row:last-child { border-bottom: none; }
.task-row:hover { background: var(--el-fill-color-light); }
.task-row.done .tr-title { color: var(--el-text-color-secondary); text-decoration: line-through; }
.task-row.done .tr-time, .task-row.done .tr-meta { opacity: .6; }

.tr-time {
  flex: none; width: 92px;
  display: flex; flex-direction: column; gap: 1px;
  font-variant-numeric: tabular-nums; line-height: 1.35;
}
.tr-time .m { font-size: 14px; font-weight: 600; color: var(--el-text-color-primary); }
.tr-time .d { font-size: 11.5px; color: var(--el-text-color-secondary); }
.zone-today .tr-time .m { color: var(--el-color-danger); }

.tr-main { flex: 1; min-width: 0; }
.tr-title { font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; line-height: 1.4; }
.tr-meta { font-size: 12px; color: var(--el-text-color-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 2px; line-height: 1.4; }
.tr-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }

/* 提示条内嵌任务行：更紧凑，并重置文字颜色（不被 alert 主色染红） */
.alert .task-row { padding: 7px 2px; gap: 10px; border-bottom-color: var(--el-border-color-extra-light); color: var(--el-text-color-regular); }
.alert .task-row:last-child { border-bottom: none; }
.alert .tr-time { width: 80px; }
.alert .tr-title { color: var(--el-text-color-primary); }
.alert .tr-meta { color: var(--el-text-color-secondary); }

/* 打卡复选框（el-checkbox 风格） */
.cb {
  width: 18px; height: 18px; flex: none; cursor: pointer;
  border: 1px solid var(--el-border-color); border-radius: 4px;
  background: var(--el-bg-color); color: transparent;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all .15s; padding: 0;
}
.cb svg { width: 12px; height: 12px; }
.cb:hover { border-color: var(--el-color-primary); color: var(--el-color-primary); }
.task-row.done .cb { background: var(--el-color-primary); border-color: var(--el-color-primary); color: #fff; }

.empty-card { text-align: center; padding: 56px 20px; color: var(--el-text-color-secondary); }
.empty-icon { width: 44px; height: 44px; color: var(--el-border-color); }
.empty-card p { margin: 10px 0 0; }

/* ==================== 月历 ==================== */
.cal-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.cal-nav { display: flex; align-items: center; gap: 4px; }
.cal-title { margin: 0 8px; min-width: 120px; text-align: center; font-size: 16px; font-weight: 600; }
.cal-legend { margin-left: auto; display: flex; gap: 12px; font-size: 12.5px; color: var(--el-text-color-secondary); }
.cal-legend .lg { display: inline-flex; align-items: center; gap: 5px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot.lecture { background: var(--el-color-primary); }
.dot.work { background: var(--el-color-success); }
.dot.other { background: var(--el-color-info); }

.cal-filter { margin-left: auto; }
.cal-filter button { display: inline-flex; align-items: center; gap: 5px; }
.cal-filter .dot { width: 7px; height: 7px; }

.cal-weekdays, .cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); }
.cal-weekdays {
  text-align: center; font-size: 12px; font-weight: 600; color: var(--el-text-color-regular);
  padding-bottom: 6px; border-bottom: 1px solid var(--el-border-color-lighter);
}
.cal-grid { gap: 6px; padding-top: 8px; }
.cal-cell {
  min-height: 104px; padding: 5px 6px;
  border: 1px solid var(--el-border-color-lighter); border-radius: 4px;
  cursor: pointer; display: flex; flex-direction: column; gap: 3px;
  transition: all .12s; background: var(--el-bg-color);
  overflow: hidden;
}
.cal-cell:hover { border-color: var(--el-color-primary); }
.cal-cell.dim { background: var(--el-fill-color-lighter); opacity: .5; }
.cal-cell.today { border: 1px solid var(--el-color-primary); box-shadow: 0 0 0 1px var(--el-color-primary) inset; }
.cal-cell.today .cal-date { color: var(--el-color-primary); }
.cal-date { font-size: 13px; font-weight: 600; padding-bottom: 2px; }
.cal-cell.risk { border-color: var(--el-color-danger); }

/* 格内事项：两行（类型+状态+时间 / 标题） */
.cal-events { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.cev {
  display: flex; flex-direction: column; gap: 1px;
  border-radius: 3px; padding: 2px 5px 3px;
  border-left: 2.5px solid transparent;
  white-space: nowrap; overflow: hidden;
}
.cev.lecture { background: var(--el-color-primary-light-9); border-left-color: var(--el-color-primary); }
.cev.work { background: var(--el-color-success-light-9); border-left-color: var(--el-color-success); }
.cev.other { background: var(--el-color-info-light-9); border-left-color: var(--el-color-info); }
.cev-top { display: flex; align-items: center; gap: 6px; font-size: 10.5px; }
.type-tag { font-weight: 700; letter-spacing: .5px; flex: none; }
.type-tag.lecture { color: #2a68ad; }
.type-tag.work { color: #48801f; }
.type-tag.other { color: #6a6f77; }
html[data-theme="dark"] .type-tag.lecture { color: #79bbff; }
html[data-theme="dark"] .type-tag.work { color: #95d475; }
html[data-theme="dark"] .type-tag.other { color: #a8abb2; }
.cev .cev-time { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--el-text-color-secondary); flex: none; margin-left: auto; }
.cev .cev-text { overflow: hidden; text-overflow: ellipsis; font-size: 11px; font-weight: 500; color: var(--el-text-color-primary); }
/* 月历事项行的准备状态文字：红=未开始 橙=准备中 绿=已就绪 */
.prep-tag { flex: none; font-size: 10.5px; font-weight: 700; letter-spacing: .5px; }
.prep-tag.not_started { color: #d64545; }
.prep-tag.preparing { color: #bd7a1a; }
.prep-tag.ready { color: #4a8427; }
html[data-theme="dark"] .prep-tag.not_started { color: #f89898; }
html[data-theme="dark"] .prep-tag.preparing { color: #eebe77; }
html[data-theme="dark"] .prep-tag.ready { color: #95d475; }
.cev.finished { opacity: .45; text-decoration: line-through; }
html[data-theme="dark"] .cev.lecture { color: #79bbff; }
html[data-theme="dark"] .cev.work { color: #95d475; }
html[data-theme="dark"] .cev.other { color: #a8abb2; }
.cal-more { font-size: 10.5px; color: var(--el-text-color-secondary); padding-left: 4px; }

/* 准备状态图例（月历底部） */
.prep-legend {
  display: flex; align-items: center; gap: 16px;
  margin-top: 12px; padding-top: 10px;
  border-top: 1px solid var(--el-border-color-lighter);
  font-size: 12px; color: var(--el-text-color-secondary);
}
.prep-legend span { display: inline-flex; align-items: center; gap: 4px; }
.prep-legend .prep-tag { font-size: 11.5px; }

/* 日程详情弹窗 */
.day-modal { max-width: 460px; }
.day-modal .modal-body { padding: 12px 14px 16px; }
.day-modal .task-row { border-radius: 4px; }

/* ==================== 任务库表格（el-table 风格） ==================== */
.toolbar { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar .select { width: 120px; flex: none; }
.toolbar .search { flex: 1; min-width: 180px; max-width: 320px; }

.table-wrap { overflow-x: auto; }
.el-table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 720px; }
.el-table th {
  text-align: left; padding: 9px 10px;
  background: var(--el-fill-color-light);
  color: var(--el-text-color-secondary);
  font-size: 12px; font-weight: 600;
  border-bottom: 1px solid var(--el-border-color-lighter);
  white-space: nowrap;
}
.el-table td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--el-border-color-lighter);
  color: var(--el-text-color-regular); vertical-align: middle;
}
.el-table tbody tr { transition: background-color .15s; cursor: pointer; }
.el-table tbody tr:hover { background: var(--el-fill-color-light); }
.el-table tbody tr.finished .t-title { color: var(--el-text-color-secondary); text-decoration: line-through; }
.el-table .t-title { font-weight: 500; color: var(--el-text-color-primary); }
.el-table .num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.el-table-empty { text-align: center; color: var(--el-text-color-secondary); padding: 36px 0; }

/* ==================== 弹窗（el-dialog） ==================== */
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: var(--el-mask-color);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 8vh 14px 30px; overflow-y: auto;
}
.modal {
  background: var(--el-bg-color);
  border-radius: 4px; box-shadow: var(--el-shadow);
  width: 100%; max-width: 580px;
  animation: dlg .18s ease;
}
@keyframes dlg { from { transform: translateY(-12px); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--el-border-color-lighter);
}
.modal-head h3 { margin: 0; font-size: 17px; font-weight: 600; }
.modal-body { padding: 20px; }

.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.field > span { font-size: 13.5px; color: var(--el-text-color-regular); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.req { color: var(--el-color-danger); font-style: normal; }

.weekday-picker { margin-top: 8px; }
.weekday-btns { display: flex; gap: 6px; margin-top: 2px; }
.wd-btn {
  flex: 1; height: 30px; border-radius: 4px;
  border: 1px solid var(--el-border-color);
  background: var(--el-bg-color); color: var(--el-text-color-regular);
  font-size: 13px; font-family: inherit; cursor: pointer; transition: all .15s;
}
.wd-btn:hover { color: var(--el-color-primary); border-color: var(--el-color-primary-light-3); }
.wd-btn.active { background: var(--el-color-primary); border-color: var(--el-color-primary); color: #fff; font-weight: 600; }

.reminder-list { display: flex; flex-direction: column; gap: 8px; }
.reminder-row { display: flex; gap: 6px; align-items: center; }
.reminder-row .select { width: 128px; flex: none; height: 30px; }
.reminder-row input[type="number"] { width: 92px; flex: none; height: 30px; padding: 0 8px; }
.reminder-row .r-label { flex: 1; min-width: 90px; height: 30px; }

.hint { font-size: 12px; color: var(--el-text-color-secondary); margin: 8px 0 0; }
.modal-foot { display: flex; gap: 10px; align-items: center; margin-top: 20px; }
.modal-foot .spacer { flex: 1; }

/* ==================== 登录 ==================== */
.login-wrap {
  position: fixed; inset: 0; z-index: 90;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  background: var(--el-bg-color-page);
}
.login-card {
  background: var(--el-bg-color); border: 1px solid var(--el-border-color-lighter);
  border-radius: 4px; box-shadow: var(--el-shadow);
  padding: 36px 32px; width: 100%; max-width: 360px;
  display: flex; flex-direction: column; gap: 14px; text-align: center;
}
.login-icon { width: 38px; height: 38px; color: var(--el-color-primary); margin: 0 auto; }
.login-card h2 { margin: 0; font-size: 18px; }
.login-msg { color: var(--el-color-danger); min-height: 1.4em; margin: 0; font-size: 13px; }

/* ==================== 消息提示（el-message） ==================== */
.message {
  position: fixed; top: 18px; left: 50%; z-index: 200;
  transform: translateX(-50%) translateY(-140%);
  display: flex; align-items: center; gap: 8px;
  background: var(--el-bg-color); color: var(--el-text-color-primary);
  border: 1px solid var(--el-border-color-lighter); border-radius: 4px;
  box-shadow: var(--el-shadow-light);
  padding: 9px 16px; font-size: 13.5px;
  transition: transform .25s ease, opacity .25s; opacity: 0;
  max-width: 86vw;
}
.message.show { transform: translateX(-50%) translateY(0); opacity: 1; }
.message::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--el-color-primary); flex: none; }

/* ==================== 响应式（手机） ==================== */
.only-mobile { display: none; }

@media (max-width: 768px) {
  .only-mobile { display: inline-flex; }

  .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0;
    transform: translateX(-100%); transition: transform .22s ease;
    box-shadow: var(--el-shadow);
  }
  body.sidebar-open .sidebar { transform: none; }
  .sidebar-mask {
    position: fixed; inset: 0; z-index: 55; background: rgba(0,0,0,.5);
    display: none;
  }
  body.sidebar-open .sidebar-mask { display: block; }

  .topbar { padding: 0 12px; }
  .topbar-left h1 { font-size: 16px; }
  .btn .bi { display: none; }
  #btnNew { padding: 0 12px; }

  .page { padding: 12px 10px 40px; }
  .card { padding: 14px 12px; }

  .field-row { grid-template-columns: 1fr; gap: 0; }
  .tr-time { width: 64px; }
  .tr-time .d { display: inline; margin-left: 2px; }
  .tr-meta { white-space: normal; }
  .cal-cell { min-height: 64px; padding: 3px 4px; }
  .cal-date { font-size: 12px; }
  .cal-grid { gap: 4px; }
  .cev { font-size: 10px; padding: 1px 3px; }
  .reminder-row { flex-wrap: wrap; }
  .reminder-row .r-label { flex: 1 1 100%; }
  .modal-mask { padding: 4vh 8px 24px; }
  .message { top: 10px; }
}