/* 日历代办 — 深色主题（仿滴答清单月历布局） */
:root {
  --bg: #1b1c21;
  --panel: #23242b;
  --panel-2: #2a2c35;
  --border: #34363f;
  --text: #e8e8ec;
  --text-dim: #9a9ca8;
  --accent: #ff9f43;      /* 今天/高亮 橙 */
  --holiday: #5aa7ff;     /* 节日/节气 蓝 */
  --danger: #ff6b6b;      /* 过期日期 红 */
  --done: #4caf50;
  --tag-l1: #ff6b6b;
  --tag-l2: #ff9f43;
  --tag-l3: #5aa7ff;
  --tag-l4: #b07cff;
  --tag-l5: #4caf50;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.app { display: flex; height: 100vh; }

/* ---------- 左侧月历 ---------- */
.calendar-pane {
  flex: 0 0 58%;
  display: flex; flex-direction: column;
  padding: 18px 20px;
  border-right: 1px solid var(--border);
  min-width: 0;
}
.cal-header { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.cal-title { font-size: 20px; font-weight: 600; flex: 1; }
.nav-btn {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); font-size: 18px; cursor: pointer;
}
.nav-btn:hover { background: #353741; }
.today-btn {
  padding: 6px 14px; border-radius: 8px;
  background: var(--accent); color: #1b1c21;
  border: none; font-weight: 600; cursor: pointer;
}
.today-btn:hover { filter: brightness(1.1); }

.cal-weekdays {
  display: grid; grid-template-columns: repeat(7, 1fr);
  text-align: center; color: var(--text-dim);
  font-size: 12px; padding: 6px 0; border-bottom: 1px solid var(--border);
}
.cal-grid {
  display: grid; grid-template-columns: repeat(7, 1fr);
  flex: 1; gap: 2px; padding-top: 8px;
}
.cal-cell {
  background: var(--panel); border-radius: 8px;
  padding: 6px 8px; min-height: 78px;
  display: flex; flex-direction: column; gap: 3px;
  cursor: pointer; overflow: hidden; position: relative;
  transition: background .15s;
}
.cal-cell:hover { background: var(--panel-2); }
.cal-cell.other-month { opacity: .35; }
.cal-cell.selected { outline: 2px solid var(--accent); }
.cal-cell.today .day-num { color: var(--accent); font-weight: 700; }

.cell-top { display: flex; align-items: baseline; gap: 4px; }
.day-num { font-size: 15px; }
.lunar-text { font-size: 10px; color: var(--text-dim); }
.mark-text { font-size: 10px; color: var(--holiday); }
.fu-text { font-size: 10px; color: var(--accent); }

.cell-tasks { display: flex; flex-direction: column; gap: 2px; overflow: hidden; }
.cell-task {
  font-size: 10.5px; line-height: 1.25;
  background: var(--panel-2); border-radius: 4px; padding: 1px 5px;
  border-left: 3px solid transparent;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  color: var(--text);
}
.cell-task.done { text-decoration: line-through; color: var(--text-dim); }
.cell-task .t-time { color: var(--accent); margin-right: 3px; }
.cell-task.daily { border: 1px dashed #8b6f4a; background: rgba(255,159,67,.08); }
.cell-task .t-daily {
  font-size: 9px; font-weight: 700; color: #1b1c21;
  background: var(--accent); border-radius: 3px;
  padding: 0 3px; margin-right: 3px;
}
.cell-more { font-size: 10px; color: var(--text-dim); }

/* ---------- 右侧待办 ---------- */
.todo-pane {
  flex: 1; display: flex; flex-direction: column;
  padding: 14px 14px; min-width: 300px;
}
.todo-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.todo-header h2 { font-size: 16px; font-weight: 600; flex: 1; }
.todo-filters { display: flex; gap: 5px; }
.filter-btn {
  padding: 4px 10px; border-radius: 14px; font-size: 11px;
  background: transparent; color: var(--text-dim);
  border: 1px solid var(--border); cursor: pointer;
}
.filter-btn.active { background: var(--accent); color: #1b1c21; border-color: var(--accent); font-weight: 600; }

.todo-list { flex: 1; overflow-y: auto; list-style: none; }
.todo-list::-webkit-scrollbar { width: 6px; }
.todo-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.todo-item {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 8px; border-radius: 6px; cursor: pointer;
  border-left: 3px solid transparent;   /* 项目任务：项目色左边框 */
}
.todo-item:hover { background: var(--panel-2); }
.todo-item.done .todo-title { text-decoration: line-through; color: var(--text-dim); }
.todo-item.done { opacity: .65; }
/* 项目标签：条目最左侧（勾选框前） */
.proj-tag {
  font-size: 11px; font-weight: 600; flex-shrink: 0;
  border: 1px solid; border-radius: 3px; padding: 1px 5px;
  max-width: 72px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  line-height: 1.5;
}
.proj-chip { background: transparent; border: 1px solid rgba(255,255,255,.12); font-weight: 600; }

.checkbox {
  width: 19px; height: 19px; border-radius: 4px;   /* 方形框 */
  border: 2px solid var(--text-dim); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: transparent; transition: all .15s;
  cursor: pointer;
}
.todo-item.done .checkbox { background: var(--done); border-color: var(--done); color: #fff; }

.todo-main { flex: 1; min-width: 0; line-height: 1.3; }
.todo-title { display: flex; align-items: center; gap: 6px; font-size: 16px; }   /* v2.3.2 放大 30% */
.pri-tag {
  font-size: 11px; font-weight: 700; padding: 1px 5px; border-radius: 3px;
}
.pri-L1 { background: var(--tag-l1); color: #fff; }
.pri-L2 { background: var(--tag-l2); color: #1b1c21; }
.pri-L3 { background: var(--tag-l3); color: #fff; }
.pri-L4 { background: var(--tag-l4); color: #fff; }
.pri-L5 { background: var(--tag-l5); color: #fff; }
.tag-chip { font-size: 11px; color: var(--text-dim); background: var(--panel-2); border-radius: 3px; padding: 1px 4px; }
/* 行内标签组（L等级后、内容前） */
.todo-tags {
  display: inline-flex; align-items: center; gap: 3px; flex-shrink: 0;
  max-width: 40%; overflow: hidden;
}
.todo-tags .tag-chip { flex-shrink: 0; }
.todo-sub { font-size: 12px; color: var(--text-dim); margin-top: 0; line-height: 1.2; }
.todo-date { font-size: 16px; flex-shrink: 0; text-align: right; }   /* v2.3.2 放大 30% */
.todo-date .d-line { line-height: 1.3; }
.todo-date .d-start { color: var(--text-dim); }
.todo-date .d-due { color: var(--danger); }
.todo-date .d-none { color: var(--text-dim); }
.todo-del {
  border: none; background: transparent; color: var(--text-dim);
  cursor: pointer; font-size: 11px; opacity: 0; flex-shrink: 0;
}
.todo-item:hover .todo-del { opacity: 1; }
.todo-del:hover { color: var(--danger); }

/* ---------- 输入条 ---------- */
.todo-form {
  display: flex; gap: 8px; margin-top: 12px;
  background: var(--panel-2); border-radius: 10px; padding: 10px;
  flex-wrap: wrap;
}
.todo-form input, .todo-form select {
  background: var(--panel); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 8px 10px; font-size: 13px;
  outline: none;
}
.todo-form input:focus, .todo-form select:focus { border-color: var(--accent); }
#inp-title { flex: 1 1 200px; min-width: 160px; }
#inp-date, #inp-time { flex: 0 0 auto; color-scheme: dark; }
#inp-priority { flex: 0 0 auto; }
#inp-tags { flex: 0 1 110px; }
.add-btn {
  width: 38px; height: 38px; border-radius: 8px; border: none;
  background: var(--accent); color: #1b1c21; font-size: 20px; font-weight: 700;
  cursor: pointer; flex-shrink: 0;
}
.add-btn:hover { filter: brightness(1.1); }

.empty-tip { color: var(--text-dim); text-align: center; padding: 40px 0; font-size: 13px; }

/* ---------- 项目看板（右栏） ---------- */
.pboard {
  margin-bottom: 8px; border: 1px solid var(--border); border-radius: 9px;
  background: var(--panel); padding: 6px 9px 8px;
}
.pboard-header { font-size: 11px; font-weight: 700; color: var(--text-dim); margin-bottom: 4px; }
.pboard-list { display: flex; flex-direction: column; gap: 4px; }
.pboard-item {
  display: flex; align-items: center; gap: 7px; padding: 2px 3px;
  border-radius: 5px; cursor: pointer;
}
.pboard-item:hover { background: var(--panel-2); }
.pboard-name { font-size: 11px; font-weight: 600; flex: 0 0 76px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pboard-bar { flex: 1; height: 5px; border-radius: 3px; background: var(--panel-2); overflow: hidden; }
.pboard-fill { height: 100%; border-radius: 3px; transition: width .3s; }
.pboard-pct { font-size: 10px; color: var(--text-dim); flex: 0 0 30px; text-align: right; }
.pboard-empty { font-size: 11px; color: var(--text-dim); padding: 3px 2px; }

/* ---------- 拖拽 ---------- */
.cell-task {
  cursor: grab;
}
.cell-task:active { cursor: grabbing; }
.cal-cell.drag-over { outline: 2px dashed var(--accent); background: #2f313b; }
.cal-cell.dragging-src { opacity: .4; }

/* ---------- 配置面板 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,.55);
  display: flex; align-items: center; justify-content: center;
}
.modal-mask.hidden { display: none; }
.modal {
  width: 42vw; max-width: 400px; min-width: 300px;   /* v2.9.1 竖向窄长，约占画面一半宽 */
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 20px 22px;
  box-shadow: 0 12px 40px rgba(0,0,0,.5);
  max-height: 88vh; overflow-y: auto;   /* 内容多时可滚动，保持窄长 */
}
.modal h3 { font-size: 16px; margin-bottom: 18px; }
.modal-body { display: flex; flex-direction: column; gap: 14px; }
.m-row { display: flex; align-items: center; gap: 10px; }
.m-row label { width: 64px; flex-shrink: 0; font-size: 13px; color: var(--text-dim); }
.m-row input[type=text], .m-row input[type=date], .m-row input[type=time], .m-row select {
  background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 8px 10px; font-size: 13px;
  outline: none; color-scheme: dark;
}
.m-row .m-dt-date { flex: 1.4; }
.m-row .m-dt-time { flex: 1; }
.m-row input:focus, .m-row select:focus { border-color: var(--accent); }
.pri-group { display: flex; gap: 6px; flex: 1; }
.pri-group button {
  flex: 1; padding: 7px 0; border-radius: 8px; font-size: 12px; font-weight: 700;
  background: var(--panel-2); color: var(--text-dim); border: 1px solid var(--border); cursor: pointer;
}
.pri-group button[data-p=L1] { color: var(--tag-l1); }
.pri-group button[data-p=L2] { color: var(--tag-l2); }
.pri-group button[data-p=L3] { color: var(--tag-l3); }
.pri-group button[data-p=L4] { color: var(--tag-l4); }
.pri-group button[data-p=L5] { color: var(--tag-l5); }
.pri-group button.active {
  background: var(--text); color: #1b1c21; border-color: var(--text);
}
.pri-group button[data-p=L1].active { background: var(--tag-l1); color: #fff; border-color: var(--tag-l1); }
.pri-group button[data-p=L2].active { background: var(--tag-l2); color: #1b1c21; border-color: var(--tag-l2); }
.pri-group button[data-p=L3].active { background: var(--tag-l3); color: #fff; border-color: var(--tag-l3); }
.pri-group button[data-p=L4].active { background: var(--tag-l4); color: #fff; border-color: var(--tag-l4); }
.pri-group button[data-p=L5].active { background: var(--tag-l5); color: #fff; border-color: var(--tag-l5); }
/* ---------- 标签选择器 ---------- */
.tag-selector { position: relative; flex: 1; min-width: 0; }
.tag-field {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 10px; min-height: 36px; cursor: pointer; user-select: none;
}
.tag-field:hover { border-color: var(--text-dim); }
.tag-field:focus-within { border-color: var(--accent); }
.tag-field-hint { font-size: 13px; color: var(--text-dim); }
.tag-arrow { margin-left: auto; color: var(--text-dim); font-size: 12px; }
.tag-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.tag-chip-sel {
  font-size: 11px; background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: 2px 6px;
  display: inline-flex; align-items: center; gap: 4px; cursor: default;
}
.tag-chip-sel b { cursor: pointer; color: var(--text-dim); font-weight: 700; }
.tag-chip-sel b:hover { color: var(--danger); }
.tag-dropdown {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0; z-index: 600;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,.5); overflow: hidden;
}
.tag-opt-list { max-height: 260px; overflow-y: auto; padding: 4px; }
.tag-opt {
  padding: 7px 10px; border-radius: 6px; font-size: 13px; cursor: pointer;
  display: flex; align-items: center; gap: 8px;
}
.tag-opt:hover { background: #353741; }
.tag-opt.sel { color: var(--accent); }
.tag-opt.sel::before { content: "✓"; }
.tag-opt-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tag-opt-count { font-size: 11px; color: var(--text-dim); flex-shrink: 0; }
.tag-opt-del {
  flex-shrink: 0; width: 20px; height: 20px; border-radius: 5px;
  border: none; background: transparent; color: var(--text-dim);
  font-size: 13px; cursor: pointer; line-height: 1;
}
.tag-opt-del:hover { background: rgba(255,107,107,.15); color: var(--danger); }
.tag-add-row {
  display: flex; gap: 6px; padding: 8px; border-top: 1px solid var(--border);
}
/* v2.9.7：先显示新增按钮，点击后展开输入行 */
.tag-add-trigger {
  flex: 1; background: var(--panel); color: var(--text);
  border: 1px dashed var(--border); border-radius: 7px;
  padding: 7px 10px; font-size: 12px; cursor: pointer;
}
.tag-add-trigger:hover { border-color: var(--accent); color: var(--accent); }
.tag-add-input { display: flex; gap: 6px; flex: 1; }
.tag-add-input input {
  flex: 1; background: var(--panel); border: 1px solid var(--border);
  color: var(--text); border-radius: 6px; padding: 6px 8px; font-size: 12px; outline: none;
}
.tag-add-input input:focus { border-color: var(--accent); }
.tag-add-input button {
  background: var(--accent); color: #1b1c21; border: none; border-radius: 6px;
  padding: 6px 12px; font-size: 12px; font-weight: 600; cursor: pointer;
}
.tag-add-input button:hover { filter: brightness(1.1); }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; position: relative; z-index: 400; }
.modal-actions .spacer { flex: 1; }
.btn, .btn-primary, .btn-danger {
  padding: 9px 18px; border-radius: 9px; font-size: 13px; font-weight: 600;
  border: none; cursor: pointer;
}
.btn { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
.btn:hover { background: #353741; }
.btn-primary { background: var(--accent); color: #1b1c21; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn-danger:hover { background: rgba(255,107,107,.12); }
.modal.small { width: 360px; }
/* v2.9.1：项目/里程碑弹窗保持较宽（含颜色选择器），其余弹窗竖向窄长 */
#proj-modal .modal { width: 420px; max-width: 92vw; min-width: 300px; }
/* ---------- 日期浮窗（当日待办，居中临时窗口） ---------- */
.modal.day-modal { width: 380px; max-width: 92vw; padding: 16px 18px; }
.day-modal h3 { font-size: 15px; margin-bottom: 10px; }
.day-modal-list { display: flex; flex-direction: column; gap: 2px; max-height: 50vh; overflow-y: auto; }
.day-task {
  display: flex; align-items: center; gap: 7px;
  padding: 6px 6px; border-radius: 6px; cursor: default;
  border-left: 3px solid transparent;
}
.day-task:hover { background: var(--panel-2); }
.day-task.done .todo-title { text-decoration: line-through; color: var(--text-dim); }
.day-task.done { opacity: .65; }
.day-time { color: var(--accent); font-size: 11px; margin-right: 2px; }
.del-hint { font-size: 13px; color: var(--text-dim); margin-bottom: 14px; }
.del-hint b { color: var(--accent); }
.del-options { display: flex; flex-direction: column; gap: 8px; }
.del-opt {
  padding: 11px 14px; border-radius: 9px; font-size: 13px;
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  cursor: pointer; text-align: left;
}
.del-opt:hover { background: #353741; border-color: var(--text-dim); }
.del-opt.danger { color: var(--danger); border-color: rgba(255,107,107,.4); }
.del-opt.danger:hover { background: rgba(255,107,107,.12); }
.hidden { display: none !important; }

/* ---------- L 等级说明（v2.8） ---------- */
.lv-help-list { display: flex; flex-direction: column; gap: 8px; }
.lv-help-item {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 12px; border-radius: 8px;
  background: var(--panel-2);
}
.lv-help-item .pri-tag { font-size: 12px; padding: 2px 8px; flex-shrink: 0; width: 34px; text-align: center; }
.lv-help-txt { font-size: 13px; color: var(--text); }
.lv-help-txt b { font-weight: 600; }

/* ---------- v2.9 手机端浮动 ＋ 按钮（FAB） ---------- */
.fab-add {
  display: none;   /* 桌面保留底部输入条，不显示 FAB */
}
@media (max-width: 768px) {
  .fab-add {
    display: flex; align-items: center; justify-content: center;
    position: fixed; right: 18px; bottom: 22px; z-index: 90;
    width: 56px; height: 56px; border-radius: 50%;
    border: none; background: var(--accent); color: #1b1c21;
    font-size: 30px; font-weight: 700; cursor: pointer;
    box-shadow: 0 6px 20px rgba(0,0,0,.45);
    touch-action: manipulation;
  }
  .fab-add:hover { filter: brightness(1.1); }
  .fab-add:active { transform: scale(.94); }
}

/* ---------- 提示 toast ---------- */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 10px; padding: 10px 18px; font-size: 13px;
  box-shadow: 0 8px 30px rgba(0,0,0,.45); z-index: 200;
  max-width: 70vw; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.toast.hidden { display: none; }

/* ---------- 视图切换 ---------- */
/* ---------- v2.1 登录/注册 ---------- */
.auth-screen {
  position: fixed; inset: 0; z-index: 500;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.auth-screen.hidden { display: none; }
.auth-card {
  width: 340px; max-width: 92vw;
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  padding: 32px 30px; text-align: center;
  box-shadow: 0 16px 50px rgba(0,0,0,.5);
}
/* v2.9.2：手机端登录页适配——卡片收窄、字号协调、避免过大显示不全 */
@media (max-width: 768px) {
  .auth-card { width: 88vw; max-width: 88vw; padding: 26px 22px; }
  .auth-card h1 { font-size: 19px; }
  .auth-sub { font-size: 11px; margin-bottom: 16px; }
  .auth-tabs { margin-bottom: 12px; }
  .auth-tab { padding: 9px 0; font-size: 13px; }
  #auth-form input { padding: 12px 12px; font-size: 16px; }
  .auth-btn { padding: 12px 0; font-size: 15px; }
}
.auth-card h1 { font-size: 22px; margin-bottom: 4px; }
.auth-sub { color: var(--text-dim); font-size: 12px; margin-bottom: 20px; }
.auth-tabs { display: flex; gap: 6px; margin-bottom: 16px; }
/* v2.9.2：已保存账号选择器 */
.auth-saved { margin-bottom: 12px; }
.auth-saved-select {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); border-radius: 9px; padding: 10px 12px; font-size: 14px; outline: none;
}
.auth-tab {
  flex: 1; padding: 8px 0; border-radius: 8px; font-size: 13px; font-weight: 600;
  background: var(--panel-2); color: var(--text-dim); border: 1px solid var(--border); cursor: pointer;
}
.auth-tab.active { background: var(--accent); color: #1b1c21; border-color: var(--accent); }
#auth-form { display: flex; flex-direction: column; gap: 10px; }
#auth-form input {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 9px; padding: 11px 12px; font-size: 14px; outline: none;
}
#auth-form input:focus { border-color: var(--accent); }
.auth-btn {
  background: var(--accent); color: #1b1c21; border: none; border-radius: 9px;
  padding: 11px 0; font-size: 14px; font-weight: 700; cursor: pointer; margin-top: 4px;
}
.auth-btn:hover { filter: brightness(1.1); }
.auth-err { color: var(--danger); font-size: 12px; margin-top: 12px; }
.user-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 16px; background: var(--bg); border-bottom: 1px solid var(--border);   /* v2.9.1 高度+50% */
}
.user-bar span { font-size: 12px; color: var(--text-dim); }
.user-bar button {
  border: none; background: transparent; color: var(--text-dim);
  font-size: 12px; cursor: pointer; padding: 6px 8px;
}
.user-bar button:hover { color: var(--danger); }
.view-tabs {
  display: flex; gap: 6px; padding: 8px 16px;
  background: var(--bg); border-bottom: 1px solid var(--border);
  position: relative; z-index: 50;
}
.tab-btn {
  padding: 7px 18px; border-radius: 9px; font-size: 13px; font-weight: 600;
  background: var(--panel); color: var(--text-dim); border: 1px solid var(--border); cursor: pointer;
}
/* v2.4：待办 tab 仅手机端显示（桌面月历已含待办栏） */
#tab-todos { display: none; }
@media (max-width: 768px) {
  #tab-todos { display: inline-block; }
}
.tab-btn.active { background: var(--accent); color: #1b1c21; border-color: var(--accent); }
.tab-btn:hover:not(.active) { color: var(--text); }
.app { display: flex; height: calc(100vh - 60px); }   /* v2.9.1 user-bar 加高后同步 */
.view { display: flex; flex: 1; min-width: 0; }
.view.hidden { display: none !important; }

/* ---------- 项目视图 ---------- */
.proj-sidebar {
  flex: 0 0 220px; border-right: 1px solid var(--border);
  display: flex; flex-direction: column; min-height: 0;
}
.proj-sidebar-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 14px 10px; font-size: 14px; font-weight: 600;
}
.proj-add-btn {
  width: 26px; height: 26px; border-radius: 7px; border: none;
  background: var(--panel-2); color: var(--text); font-size: 15px; cursor: pointer;
}
.proj-add-btn:hover { background: var(--accent); color: #1b1c21; }
.proj-list { flex: 1; overflow-y: auto; padding: 0 8px 12px; }
.proj-item {
  display: flex; align-items: center; gap: 8px; padding: 9px 10px;
  border-radius: 8px; cursor: pointer; margin-bottom: 2px;
}
.proj-item:hover { background: var(--panel-2); }
.proj-item.active { background: var(--panel-2); outline: 1px solid var(--border); }
.proj-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.proj-item-name { flex: 1; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.proj-item-pct { font-size: 11px; color: var(--text-dim); flex-shrink: 0; }

.proj-main { flex: 1; overflow-y: auto; padding: 18px 22px; min-width: 0; }
.proj-detail { max-width: 860px; margin: 0 auto; }
.proj-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.proj-head .proj-dot { width: 14px; height: 14px; }
.proj-head h2 { font-size: 20px; font-weight: 700; flex: 1; }
.proj-head-actions { display: flex; gap: 6px; }
.mini-btn {
  padding: 5px 10px; border-radius: 7px; font-size: 12px;
  background: var(--panel-2); color: var(--text-dim); border: 1px solid var(--border); cursor: pointer;
}
.mini-btn:hover { color: var(--text); }
.mini-btn.danger:hover { color: var(--danger); border-color: var(--danger); }
.proj-meta { font-size: 12px; color: var(--text-dim); margin-bottom: 12px; }

/* 进度条 */
.progress-bar {
  height: 8px; border-radius: 4px; background: var(--panel-2); overflow: hidden; margin: 10px 0 16px;
}
.progress-fill { height: 100%; border-radius: 4px; transition: width .3s; }
.progress-text { font-size: 12px; color: var(--text-dim); margin-left: 8px; }

/* 里程碑卡片 */
.ms-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  margin-bottom: 14px; overflow: hidden;
}
.ms-head {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; background: var(--panel-2); cursor: pointer;
}
.ms-head .ms-tri { font-size: 10px; color: var(--text-dim); transition: transform .15s; }
.ms-head.collapsed .ms-tri { transform: rotate(-90deg); }
.ms-name { font-size: 14px; font-weight: 600; flex: 1; }
.ms-due { font-size: 12px; color: var(--text-dim); }
.ms-pct { font-size: 12px; font-weight: 700; }
.ms-progress { height: 6px; background: var(--panel); border-radius: 3px; overflow: hidden; }
.ms-progress .progress-fill { height: 100%; }
.ms-tasks { padding: 8px 12px 12px; }
.ms-tasks.collapsed { display: none; }

/* 任务树 */
.tree-row {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 6px; border-radius: 7px; position: relative;
}
.tree-row:hover { background: var(--panel-2); }
.tree-row.done .tree-title { text-decoration: line-through; color: var(--text-dim); }
.tree-indent { width: calc(var(--depth) * 18px); flex-shrink: 0; }
.tree-tri {
  width: 16px; height: 16px; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-size: 9px; color: var(--text-dim); cursor: pointer; border-radius: 4px;
}
.tree-tri:hover { background: #353741; }
.tree-tri.leaf { visibility: hidden; }
.tree-check {
  width: 16px; height: 16px; border-radius: 4px; flex-shrink: 0;   /* 方形框 */
  border: 2px solid var(--text-dim); cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 10px; color: transparent;
}
.tree-check.done { background: var(--done); border-color: var(--done); color: #fff; }
.tree-check.parent { border-style: dashed; }
.tree-title { flex: 1; font-size: 13px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: default; }
.tree-title:hover { cursor: pointer; }
.tree-pri { font-size: 10px; font-weight: 700; padding: 1px 5px; border-radius: 4px; flex-shrink: 0; }
.tree-date { font-size: 11px; color: var(--danger); flex-shrink: 0; }
.tree-date.none { color: var(--text-dim); }
.tree-prog { font-size: 11px; color: var(--text-dim); flex-shrink: 0; }
.tree-actions { display: flex; gap: 2px; opacity: 0; }
.tree-row:hover .tree-actions { opacity: 1; }
.tree-act {
  width: 20px; height: 20px; border: none; border-radius: 5px; background: transparent;
  color: var(--text-dim); font-size: 12px; cursor: pointer; line-height: 1;
}
.tree-act:hover { background: #353741; color: var(--text); }
.tree-act.del:hover { color: var(--danger); }

/* 内联添加行 */
.tree-add-row { display: flex; gap: 6px; padding: 5px 6px 5px calc(var(--depth) * 18px + 40px); }
.tree-add-row input {
  flex: 1; background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 7px; padding: 6px 10px; font-size: 13px; outline: none;
}
.tree-add-row input:focus { border-color: var(--accent); }
.ms-add-row { display: flex; gap: 8px; padding: 10px 16px 14px; }
.ms-add-row input {
  flex: 1; background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 8px 12px; font-size: 13px; outline: none;
}
.ms-add-row input:focus { border-color: var(--accent); }
.ms-add-row button, .tree-add-row button {
  background: var(--accent); color: #1b1c21; border: none; border-radius: 7px;
  padding: 0 14px; font-size: 13px; font-weight: 600; cursor: pointer;
}

/* 项目空态 */
.proj-empty { color: var(--text-dim); text-align: center; padding: 60px 20px; font-size: 13px; }

/* 颜色选择 */
.color-group { display: flex; gap: 8px; flex: 1; flex-wrap: wrap; }
.color-group button {
  width: 24px; height: 24px; border-radius: 50%; border: 2px solid transparent; cursor: pointer;
}
.color-group button.active { border-color: #fff; transform: scale(1.15); }
.req-star { color: var(--danger); margin-left: 2px; }

@media (max-width: 900px) {
  .app { flex-direction: column; height: auto; }
  .calendar-pane { flex: none; border-right: none; border-bottom: 1px solid var(--border); }
  .cal-cell { min-height: 60px; }
  .todo-pane { min-height: 50vh; }
}

/* ========== 手机适配 v2.3 ==========
 * 断点：≤768px 平板竖屏/手机；≤480px 手机竖屏
 * 触屏要点：删除/操作按钮常显（无 hover）、触控目标放大、
 * touch-action: manipulation 消除双击缩放干扰（dblclick 可正常触发）、
 * 输入框 ≥16px 避免 iOS 聚焦自动缩放
 * v2.4：手机端 3 tab（月历/待办/项目），日历与待办独立全屏 */
@media (max-width: 768px) {
  html, body { height: 100%; overflow: hidden; }
  body { display: flex; flex-direction: column; }

  /* 顶部固定 */
  .user-bar { flex: none; }
  .view-tabs { flex: none; }
  .app { flex: 1; height: auto; min-height: 0; flex-direction: column; }
  /* 关键：视图内部纵向堆叠（日历在上、待办在下）
   * min-height:0 必须——flex 子项默认 min-height:auto 会被内容撑开无法收缩 */
  .view { flex-direction: column; min-height: 0; }

  /* 日历面板：月历 tab 占满（v2.4 不再 42dvh 截断）；隐藏时不计入 */
  .calendar-pane {
    flex: 1; border-right: none; border-bottom: 1px solid var(--border);
    padding: 10px 10px 6px; min-height: 0;
  }
  .cal-header { margin-bottom: 8px; gap: 8px; }
  .cal-title { font-size: 17px; }
  .cal-grid { gap: 2px; padding-top: 6px; }
  .cal-cell { min-height: 0; padding: 4px 5px; border-radius: 6px; }
  .day-num { font-size: 13px; }
  .lunar-text, .mark-text, .fu-text { font-size: 9px; }
  .cell-task { font-size: 9px; padding: 1px 3px; border-radius: 3px; }

  /* 待办面板：待办 tab 占满；隐藏时不计入 */
  .todo-pane { flex: 1; min-height: 0; padding: 10px 12px; }
  .todo-list { -webkit-overflow-scrolling: touch; }
  .todo-item { min-height: 44px; padding: 6px 7px; gap: 7px; }
  /* 触屏无 hover：删除按钮常显 */
  .todo-del { opacity: 1; font-size: 14px; padding: 4px 6px; }
  .tree-actions { opacity: 1; }
  /* 触控目标放大 */
  .checkbox { width: 20px; height: 20px; font-size: 11px; }
  .tree-check { width: 20px; height: 20px; font-size: 12px; }
  .tree-act { width: 28px; height: 28px; }
  /* 消除双击缩放干扰 */
  .todo-item, .cell-task, .tree-row, .cal-cell, .proj-item, .pboard-item {
    touch-action: manipulation;
  }
  /* iOS 输入框聚焦不自动缩放 */
  input, select, textarea { font-size: 16px; }

  /* 项目视图：侧栏改顶部横向滚动条 */
  .proj-sidebar {
    flex: none; width: 100%; height: auto;
    border-right: none; border-bottom: 1px solid var(--border);
    flex-direction: column;
  }
  .proj-sidebar-header { padding: 10px 12px 6px; }
  .proj-list {
    display: flex; flex-direction: row; gap: 6px;
    overflow-x: auto; padding: 0 12px 10px; -webkit-overflow-scrolling: touch;
  }
  .proj-item { flex-shrink: 0; margin-bottom: 0; padding: 8px 12px; }
  .proj-item-pct { display: none; }
  .proj-main { padding: 12px; }
  .proj-detail { max-width: none; }

  /* 弹窗：竖向窄长（约占画面一半宽），字段竖向堆叠 */
  .modal { width: 52vw; max-width: 52vw; min-width: 0; padding: 14px 14px; max-height: 86vh; }
  #settings-modal .modal, #proj-modal .modal { width: 92vw !important; max-width: 92vw; }   /* v2.9.1 设置/项目弹窗手机端保持实用宽度 */
  /* v2.9.4：新建待办弹窗=上半屏横向长方形（避免键盘弹出遮挡），水平居中、不塞满 */
  #modal.modal-mask { align-items: flex-start; justify-content: center; padding-top: 6vh; }
  #modal .modal {
    width: 92vw; max-width: 92vw; min-width: 0;
    padding: 14px 14px; max-height: 44vh; overflow-y: auto;
  }
  #modal .modal-body { gap: 8px; }
  #modal .m-row { flex-wrap: wrap; gap: 5px 6px; min-width: 0; }
  #modal .m-row label { width: auto; min-width: 40px; font-size: 12px; }
  #modal .m-row input[type=text], #modal .m-row input[type=datetime-local], #modal .m-row select {
    padding: 6px 8px; font-size: 13px;
  }
  #modal .pri-group { flex-wrap: nowrap; gap: 4px; }
  #modal .pri-group button { min-width: 0; flex: 1; padding: 6px 0; font-size: 11px; }
  #modal .modal-actions { margin-top: 10px; }
  .m-row { flex-wrap: wrap; gap: 6px; }
  .m-row label { width: auto; min-width: 44px; font-size: 12px; }
  .pri-group { flex-wrap: wrap; }
  .pri-group button { min-width: 36px; flex: 1 1 30%; }
  .modal-actions { flex-wrap: wrap; }

  /* v2.9.5：手机端标签下拉 fixed 到视口内（不被 modal 裁剪），限高滚动 */
  #modal .tag-dropdown {
    position: fixed; top: auto; left: 16px; right: 16px; bottom: 8px;
    max-height: 40vh; overflow-y: auto; z-index: 700;
  }
  #modal .tag-opt-list { max-height: none; }

  /* 底部输入条：手机端 v2.9 改用 FAB + 完整配置弹窗，隐藏简化输入条 */
  .todo-form { display: none; }
  #inp-date, #inp-time, #inp-priority, #inp-tags { display: none; }
  #inp-title { flex: 1 1 auto; width: auto; min-width: 0; }
  .add-btn { width: 42px; height: 42px; flex: 0 0 auto; }
}

@media (max-width: 480px) {
  .calendar-pane { height: 50dvh; }
  .cal-cell { padding: 3px 4px; }
  .cell-task { font-size: 8.5px; }
  .pboard-name { flex: 0 0 auto; max-width: 90px; }
  /* v2.3.1：截止日期单行大字，极窄屏也显示（只占一行不拥挤） */
  .todo-tags { max-width: 30%; }
  .day-modal { width: 94vw; max-width: 94vw; }
  .proj-head { flex-wrap: wrap; }
  .ms-head { flex-wrap: wrap; padding: 10px 12px; }
  .ms-progress { flex: 0 0 80px !important; }
  .tree-date { display: none; }        /* 极窄屏任务树隐藏日期，hover/编辑可见 */
}