/* ===== 统一工作台 v2 · 样式 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0d1117;--bg-surface:#161b22;--bg-elevated:#1c232c;--bg-hover:#222933;
  --border:#30363d;--border-light:#21262d;
  --text:#e6edf3;--text-secondary:#8b949e;--text-muted:#6e7681;
  --accent:#58a6ff;--accent-dim:rgba(88,166,255,.15);--accent-glow:rgba(88,166,255,.3);
  --green:#3fb950;--green-dim:rgba(63,185,80,.15);
  --orange:#d29922;--orange-dim:rgba(210,153,34,.15);
  --red:#f85149;--red-dim:rgba(248,81,73,.15);
  --purple:#bc8cff;--purple-dim:rgba(188,140,255,.15);
  --radius:10px;--radius-sm:6px;
  --sidebar-w:240px;--sidebar-mini:64px;
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --mono:'SF Mono','JetBrains Mono','Cascadia Code','Consolas',monospace;
  --shadow:0 1px 3px rgba(0,0,0,.3);--shadow-lg:0 8px 24px rgba(0,0,0,.4);
}
html{font-size:14px}
body{font-family:var(--font);background:var(--bg);color:var(--text);overflow:hidden;height:100vh;-webkit-font-smoothing:antialiased}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}

/* ===== Auth ===== */
.auth-overlay{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;z-index:2000}
.auth-overlay.hidden{display:none}
.auth-box{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:40px 32px;width:90%;max-width:380px;text-align:center}
.auth-icon{font-size:48px;margin-bottom:16px}
.auth-box h2{font-size:20px;font-weight:700;margin-bottom:8px}
.auth-sub{font-size:13px;color:var(--text-secondary);margin-bottom:24px}
.auth-btn{width:100%;margin-top:16px;justify-content:center;padding:10px}
.auth-hint{font-size:11px;color:var(--text-muted);margin-top:20px;line-height:1.5}
.auth-hint code{background:var(--bg-elevated);padding:2px 6px;border-radius:4px;font-family:var(--mono);font-size:10px}

/* ===== Offline Banner ===== */
.offline-banner{position:fixed;top:0;left:0;right:0;background:var(--orange-dim);color:var(--orange);padding:6px 20px;font-size:12px;font-weight:600;display:flex;justify-content:space-between;z-index:1500;border-bottom:1px solid var(--orange)}

/* ===== Sidebar ===== */
.sidebar{position:fixed;top:0;left:0;height:100vh;width:var(--sidebar-w);background:var(--bg-surface);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:100;transition:width .2s ease}
.sidebar.mini{width:var(--sidebar-mini)}
.sidebar.mini .nav-label,.sidebar.mini .brand-text,.sidebar.mini .sidebar-footer-text{display:none}
.sidebar.mini .nav-item{justify-content:center}
.brand{padding:16px 18px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border);height:60px}
.brand-icon{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--purple));display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.brand-text{font-weight:700;font-size:15px;white-space:nowrap}
.brand-text span{color:var(--accent)}
.nav{flex:1;overflow-y:auto;padding:10px 0}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 18px;cursor:pointer;color:var(--text-secondary);transition:all .15s;font-size:13px;font-weight:500;border-left:3px solid transparent;white-space:nowrap}
.nav-item:hover{background:var(--bg-elevated);color:var(--text)}
.nav-item.active{color:var(--accent);background:var(--accent-dim);border-left-color:var(--accent)}
.nav-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:16px}
.sidebar-footer{padding:12px 18px;border-top:1px solid var(--border)}
.sidebar-footer-btn{display:flex;align-items:center;gap:10px;padding:8px 0;cursor:pointer;color:var(--text-muted);font-size:12px;background:none;border:none;width:100%;text-align:left;transition:color .15s}
.sidebar-footer-btn:hover{color:var(--text)}

/* ===== Main / Topbar ===== */
.main{margin-left:var(--sidebar-w);height:100vh;display:flex;flex-direction:column;transition:margin-left .2s ease}
.main.expanded{margin-left:var(--sidebar-mini)}
.topbar{height:60px;background:var(--bg-surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 20px;flex-shrink:0}
.topbar-left{display:flex;align-items:center;gap:12px}
.topbar-toggle{background:none;border:none;color:var(--text-secondary);cursor:pointer;font-size:20px;padding:4px 8px;border-radius:var(--radius-sm);transition:background .15s}
.topbar-toggle:hover{background:var(--bg-elevated)}
.topbar-title{font-size:18px;font-weight:600}
.topbar-right{display:flex;align-items:center;gap:12px}
.search-box{position:relative}
.search-box input{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:7px 12px 7px 32px;color:var(--text);font-size:12px;width:220px;outline:none;transition:width .2s,border-color .15s;font-family:var(--font)}
.search-box input:focus{width:280px;border-color:var(--accent)}
.search-box::before{content:'\1F50D';position:absolute;left:8px;top:50%;transform:translateY(-50%);font-size:14px;opacity:.5}
.topbar-time{font-size:12px;color:var(--text-secondary);font-variant-numeric:tabular-nums;white-space:nowrap}

/* ===== Content ===== */
.content{flex:1;overflow-y:auto;padding:24px}
.page{display:none;animation:fadeIn .2s ease}
.page.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ===== Cards ===== */
.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;transition:border-color .15s}
.card:hover{border-color:var(--border-light)}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.card-title{font-size:14px;font-weight:600;color:var(--text)}
.card-subtitle{font-size:11px;color:var(--text-muted);margin-top:2px}

/* ===== Grid ===== */
.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

/* ===== KPI Cards ===== */
.kpi{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;position:relative;overflow:hidden;transition:transform .15s,border-color .15s}
.kpi:hover{transform:translateY(-2px);border-color:var(--accent)}
.kpi-accent{position:absolute;top:0;left:0;width:3px;height:100%;background:var(--accent)}
.kpi-accent.green{background:var(--green)}
.kpi-accent.orange{background:var(--orange)}
.kpi-accent.purple{background:var(--purple)}
.kpi-accent.red{background:var(--red)}
.kpi-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.kpi-value{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums}
.kpi-trend{display:flex;align-items:center;gap:4px;margin-top:6px;font-size:11px;color:var(--text-muted)}
.kpi-trend.up{color:var(--green)}
.kpi-trend.down{color:var(--red)}
.kpi-icon{position:absolute;top:14px;right:14px;font-size:22px;opacity:.15}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;cursor:pointer;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);transition:all .15s;font-family:var(--font)}
.btn:hover{background:var(--bg-hover);border-color:var(--text-muted)}
.btn-primary{background:rgba(88,166,255,.15);border-color:var(--accent);color:var(--accent)}
.btn-primary:hover{background:rgba(88,166,255,.25)}
.btn-sm{padding:5px 10px;font-size:11px}
.btn-icon{padding:5px;width:28px;height:28px;justify-content:center;border-radius:var(--radius-sm)}
.btn-danger{color:var(--red);border-color:rgba(248,81,73,.3)}
.btn-danger:hover{background:var(--red-dim)}
.btn-success{color:var(--green);border-color:rgba(63,185,80,.3)}
.btn-success:hover{background:var(--green-dim)}

/* ===== Inputs ===== */
.input,select.input,textarea.input{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;color:var(--text);font-size:13px;outline:none;transition:border-color .15s;font-family:var(--font);width:100%}
.input:focus{border-color:var(--accent)}
textarea.input{resize:vertical;min-height:80px}
select.input{cursor:pointer}
.input-group{display:flex;gap:8px;align-items:center}
.label{display:block;font-size:11px;color:var(--text-secondary);margin-bottom:6px;font-weight:600}

/* ===== Badges ===== */
.badge{font-size:10px;padding:3px 8px;border-radius:20px;font-weight:600;display:inline-block}
.badge-blue{background:var(--accent-dim);color:var(--accent)}
.badge-green{background:var(--green-dim);color:var(--green)}
.badge-orange{background:var(--orange-dim);color:var(--orange)}
.badge-red{background:var(--red-dim);color:var(--red)}
.badge-purple{background:var(--purple-dim);color:var(--purple)}
.badge-gray{background:rgba(110,118,129,.15);color:var(--text-muted)}

/* ===== Section header ===== */
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.section-title{font-size:16px;font-weight:700}

/* ===== Alert Banner ===== */
.alert-banner{background:var(--red-dim);border:1px solid var(--red);border-radius:var(--radius);padding:12px 16px;margin-bottom:16px;display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--red)}
.alert-icon{font-size:18px}

/* ===== Milestone Bar (硬节点倒计时) ===== */
.milestone-bar{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.milestone-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;text-align:center;position:relative;overflow:hidden;transition:all .15s}
.milestone-card:hover{transform:translateY(-2px)}
.milestone-card .ms-name{font-size:11px;color:var(--text-secondary);margin-bottom:4px;font-weight:500}
.milestone-card .ms-days{font-size:28px;font-weight:700;font-variant-numeric:tabular-nums}
.milestone-card .ms-date{font-size:10px;color:var(--text-muted);margin-top:4px}
.milestone-card.gray .ms-days{color:var(--text-muted)}
.milestone-card.blue .ms-days{color:var(--accent)}
.milestone-card.orange .ms-days{color:var(--orange)}
.milestone-card.red .ms-days{color:var(--red)}
.milestone-card.red.urgent{animation:pulse 2s infinite;border-color:var(--red)}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(248,81,73,.4)}
  50%{box-shadow:0 0 0 8px rgba(248,81,73,0)}
}

/* ===== Today Slice (今日切片) ===== */
.slice-item{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px;transition:border-color .15s}
.slice-item:hover{border-color:var(--border-light)}
.slice-item.overdue{border-color:var(--red);background:rgba(248,81,73,.05)}
.slice-item.done{opacity:.5}
.slice-item.done .slice-name{text-decoration:line-through}
.slice-left{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}
.slice-tags{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.slice-task{font-size:10px;padding:2px 6px;border-radius:4px;font-weight:700;background:var(--accent-dim);color:var(--accent)}
.slice-question{font-size:10px;padding:2px 6px;border-radius:4px;background:var(--purple-dim);color:var(--purple)}
.slice-name{font-size:13px;font-weight:500;word-break:break-word}
.slice-meta{display:flex;gap:10px;font-size:11px;color:var(--text-muted)}
.slice-overdue{color:var(--red);font-weight:600}
.slice-actions{display:flex;gap:6px;flex-shrink:0}
.slice-empty{text-align:center;padding:30px;color:var(--text-muted);font-size:13px}
.slice-empty-icon{font-size:32px;opacity:.3;margin-bottom:8px}

/* ===== Tooltip ===== */
.tooltip-wrap{position:relative;display:inline-block}
.tooltip-wrap .tooltip{
  visibility:hidden;opacity:0;position:absolute;bottom:100%;left:50%;transform:translateX(-50%);
  background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:8px 12px;font-size:11px;color:var(--text-secondary);white-space:normal;
  width:240px;z-index:100;transition:opacity .15s;margin-bottom:6px;line-height:1.5;
  box-shadow:var(--shadow-lg)
}
.tooltip-wrap:hover .tooltip{visibility:visible;opacity:1}

/* ===== Checkins (三线打卡) ===== */
.checkin-row{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid var(--border-light)}
.checkin-row:last-child{border-bottom:none}
.checkin-project{flex-shrink:0;width:60px;font-size:12px;font-weight:700;text-align:center;padding:4px 0;border-radius:var(--radius-sm)}
.checkin-project.p1{background:var(--accent-dim);color:var(--accent)}
.checkin-project.p2{background:var(--green-dim);color:var(--green)}
.checkin-project.p3{background:var(--purple-dim);color:var(--purple)}
.checkin-project.warning{background:var(--red-dim);color:var(--red)}
.checkin-content{flex:1;min-width:0}
.checkin-text{font-size:13px;color:var(--text);line-height:1.5;word-break:break-word}
.checkin-text.placeholder{color:var(--text-muted);font-style:italic}
.checkin-evidence{font-size:11px;color:var(--accent);margin-top:4px;word-break:break-all}
.checkin-streak{font-size:10px;color:var(--text-muted);margin-top:4px}
.checkin-streak.warning{color:var(--red);font-weight:600}
.checkin-action{flex-shrink:0}

/* ===== Revenue ===== */
.revenue-input-row{display:flex;gap:8px;align-items:center}
.revenue-input-row .input{flex:1}
.sub-project-marks{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.sub-mark{font-size:10px;padding:3px 8px;border-radius:20px;font-weight:600;background:var(--bg-elevated);color:var(--text-muted);border:1px solid var(--border)}
.sub-mark.active{background:var(--green-dim);color:var(--green);border-color:var(--green)}

/* ===== Task Groups (任务总览) ===== */
.task-group{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.task-group-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;cursor:pointer;transition:background .15s}
.task-group-header:hover{background:var(--bg-elevated)}
.task-group-left{display:flex;align-items:center;gap:12px}
.task-group-icon{font-size:18px}
.task-group-name{font-size:14px;font-weight:700}
.task-group-desc{font-size:11px;color:var(--text-muted);margin-top:2px}
.task-group-right{display:flex;align-items:center;gap:12px}
.task-group-progress{width:120px}
.task-group-count{font-size:11px;color:var(--text-secondary)}
.task-group-body{display:none;padding:0 18px 16px}
.task-group-body.open{display:block}

/* Subtask row */
.subtask-row{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-sm);margin-bottom:6px;background:var(--bg-elevated);border:1px solid transparent;transition:all .15s}
.subtask-row:hover{border-color:var(--border)}
.subtask-row.done{opacity:.5}
.subtask-row.done .subtask-name{text-decoration:line-through}
.subtask-row.overdue{border-color:var(--red)}
.subtask-status{width:16px;height:16px;border-radius:50%;flex-shrink:0;cursor:pointer;border:2px solid var(--border);transition:all .15s}
.subtask-status.todo{background:transparent}
.subtask-status.doing{background:var(--accent);border-color:var(--accent);position:relative}
.subtask-status.doing::after{content:'';position:absolute;top:3px;left:3px;width:6px;height:6px;border-radius:50%;background:var(--bg-surface)}
.subtask-status.done{background:var(--green);border-color:var(--green)}
.subtask-info{flex:1;min-width:0}
.subtask-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.subtask-q{font-size:10px;padding:1px 6px;border-radius:4px;background:var(--purple-dim);color:var(--purple);font-weight:600}
.subtask-name{font-size:13px;font-weight:500}
.subtask-plan-icon{cursor:help;color:var(--text-muted);font-size:12px}
.subtask-bottom{display:flex;gap:12px;margin-top:4px;font-size:11px;color:var(--text-muted)}
.subtask-overdue{color:var(--red);font-weight:600}

/* ===== Calendar ===== */
.calendar{width:100%}
.calendar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.calendar-day-header{text-align:center;font-size:11px;font-weight:600;color:var(--text-muted);padding:8px 0}
.calendar-day{aspect-ratio:1.2;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding-top:6px;border-radius:var(--radius-sm);border:1px solid var(--border-light);cursor:pointer;transition:background .15s;font-size:12px;min-height:40px}
.calendar-day:hover{background:var(--bg-elevated)}
.calendar-day.other-month{opacity:.3}
.calendar-day.today{background:var(--accent-dim);border-color:var(--accent)}
.calendar-day.selected{background:var(--accent);color:#fff}
.calendar-day.has-milestone{border-color:var(--red);font-weight:700}
.calendar-day.has-overdue{border-color:var(--orange)}
.calendar-day-num{font-weight:600}
.calendar-indicator{font-size:8px;margin-top:2px}
.calendar-indicator.ms{color:var(--red)}
.calendar-indicator.ov{color:var(--orange)}

/* ===== Heatmap ===== */
.heatmap-container{overflow-x:auto;padding-bottom:8px}
.heatmap{display:flex;gap:3px}
.heatmap-week{display:flex;flex-direction:column;gap:3px}
.heatmap-cell{width:14px;height:14px;border-radius:3px;background:var(--bg-elevated);cursor:pointer;transition:transform .15s}
.heatmap-cell:hover{transform:scale(1.3)}
.heatmap-cell.l1{background:rgba(63,185,80,.2)}
.heatmap-cell.l2{background:rgba(63,185,80,.4)}
.heatmap-cell.l3{background:rgba(63,185,80,.6)}
.heatmap-cell.l4{background:var(--green)}
.heatmap-legend{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-top:8px;font-size:10px;color:var(--text-muted)}
.heat-legend-item{width:12px;height:12px;border-radius:2px}
.heat-legend-item.l0{background:var(--bg-elevated)}
.heat-legend-item.l1{background:rgba(63,185,80,.2)}
.heat-legend-item.l2{background:rgba(63,185,80,.4)}
.heat-legend-item.l3{background:rgba(63,185,80,.6)}
.heat-legend-item.l4{background:var(--green)}

.monthly-stats{font-size:12px;line-height:2}
.monthly-stats .stat-row{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px solid var(--border-light)}
.monthly-stats .stat-row:last-child{border-bottom:none}
.monthly-stats .stat-label{color:var(--text-secondary)}
.monthly-stats .stat-value{font-weight:600;font-variant-numeric:tabular-nums}
.monthly-stats .stat-value.red{color:var(--red)}

/* ===== View Toggle ===== */
.view-toggle{display:flex;background:var(--bg-elevated);border-radius:var(--radius-sm);padding:3px}
.view-toggle-btn{background:none;border:none;color:var(--text-secondary);padding:6px 12px;font-size:12px;font-weight:600;border-radius:4px;cursor:pointer;transition:all .15s;font-family:var(--font)}
.view-toggle-btn:hover{color:var(--text)}
.view-toggle-btn.active{background:var(--bg-surface);color:var(--accent);box-shadow:0 1px 2px rgba(0,0,0,.2)}

/* ===== Board Table Checkbox ===== */
.board-checkbox{width:20px;height:20px;border:2px solid var(--border);border-radius:4px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s;font-size:12px;font-weight:900;color:transparent;user-select:none;background:var(--bg-surface)}
.board-checkbox:hover{border-color:var(--accent)}
.board-checkbox.doing{border-color:var(--accent);background:var(--accent-dim);color:var(--accent)}
.board-checkbox.doing::after{content:'●';font-size:10px;line-height:1}
.board-checkbox.done{border-color:var(--green);background:var(--green);color:#fff}
.board-checkbox.done::after{content:'✓';font-size:12px;line-height:1;font-weight:900}
.board-table td:first-child{text-align:center;padding:8px 4px}

/* ===== Board Table (Excel风格表格) ===== */
.table-wrapper{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-surface)}
.board-table{width:100%;border-collapse:collapse;font-size:12px;min-width:900px}
.board-table th{background:var(--bg-elevated);color:var(--text-secondary);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.3px;padding:10px 12px;text-align:left;position:sticky;top:0;z-index:1;border-bottom:1px solid var(--border);white-space:nowrap}
.board-table td{padding:8px 12px;border-bottom:1px solid var(--border-light);vertical-align:middle}
.board-table tbody tr:hover{background:var(--bg-elevated)}
.board-table tbody tr:last-child td{border-bottom:none}
.board-table .cell-id{font-family:var(--mono);font-size:11px;color:var(--text-muted)}
.board-table .cell-task{font-weight:700;color:var(--accent)}
.board-table .cell-q{font-size:10px;padding:2px 6px;border-radius:4px;background:var(--purple-dim);color:var(--purple);font-weight:600;display:inline-block}
.board-table .cell-name{font-weight:500;max-width:300px;word-break:break-word}
.board-table .cell-days{font-variant-numeric:tabular-nums;text-align:center}
.board-table .cell-date{font-family:var(--mono);font-size:11px;color:var(--text-secondary)}
.board-table .cell-date.editable{cursor:pointer;border-bottom:1px dashed var(--border)}
.board-table .cell-date.editable:hover{border-color:var(--accent);color:var(--accent)}
.board-table .cell-evidence{font-size:11px;color:var(--text-muted);max-width:250px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.board-table .cell-evidence.has{color:var(--green);cursor:pointer}
.board-table .status-badge{font-size:10px;padding:3px 8px;border-radius:20px;font-weight:700;display:inline-block;cursor:pointer;transition:all .15s}
.board-table .status-badge.todo{background:rgba(110,118,129,.15);color:var(--text-muted)}
.board-table .status-badge.doing{background:var(--accent-dim);color:var(--accent)}
.board-table .status-badge.done{background:var(--green-dim);color:var(--green)}
.board-table tr.overdue .cell-date{color:var(--red);font-weight:600}
.board-table tr.done{opacity:.6}
.board-table tr.done .cell-name{text-decoration:line-through}
.board-table .row-actions{display:flex;gap:4px}
.board-table .row-actions .btn{padding:4px 8px;font-size:11px}

/* ===== Gantt Chart ===== */
.gantt-container{display:flex;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-surface);overflow:hidden}
.gantt-sidebar{flex-shrink:0;width:260px;border-right:1px solid var(--border)}
.gantt-header-cell{padding:10px 12px;background:var(--bg-elevated);font-size:11px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.3px;border-bottom:1px solid var(--border);height:40px;display:flex;align-items:center}
.gantt-task-item{padding:8px 12px;border-bottom:1px solid var(--border-light);font-size:12px;display:flex;align-items:center;gap:8px;height:36px}
.gantt-task-item.group{background:var(--bg-elevated);font-weight:700;color:var(--accent)}
.gantt-task-item.subtask{padding-left:24px}
.gantt-task-item.done{opacity:.5}
.gantt-task-item.done .gantt-task-name{text-decoration:line-through}
.gantt-task-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gantt-task-id{font-family:var(--mono);font-size:10px;color:var(--text-muted);flex-shrink:0}

.gantt-timeline-wrapper{flex:1;overflow-x:auto;position:relative}
.gantt-timeline-header{display:flex;position:sticky;top:0;z-index:2;background:var(--bg-elevated);border-bottom:1px solid var(--border);height:40px}
.gantt-month-header{flex-shrink:0;text-align:center;font-size:11px;font-weight:700;color:var(--text-secondary);padding:8px 0;border-right:1px solid var(--border)}
.gantt-week-row{display:flex;position:absolute;top:20px;left:0;right:0}
.gantt-day-header{flex-shrink:0;width:24px;text-align:center;font-size:9px;color:var(--text-muted);padding:2px 0}
.gantt-day-header.weekend{background:rgba(0,0,0,.1)}
.gantt-day-header.today{background:var(--accent-dim);color:var(--accent);font-weight:700}

.gantt-timeline-body{position:relative;min-width:100%}
.gantt-row{display:flex;position:relative;height:36px;border-bottom:1px solid var(--border-light)}
.gantt-row.group{background:rgba(88,166,255,.03)}
.gantt-day-cell{flex-shrink:0;width:24px;height:100%;border-right:1px solid var(--border-light)}
.gantt-day-cell.weekend{background:rgba(0,0,0,.03)}
.gantt-bar{position:absolute;height:20px;top:8px;border-radius:4px;display:flex;align-items:center;padding:0 6px;font-size:10px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;transition:opacity .15s}
.gantt-bar:hover{opacity:.85}
.gantt-bar.todo{background:var(--text-muted)}
.gantt-bar.doing{background:var(--accent)}
.gantt-bar.done{background:var(--green)}
.gantt-bar.overdue{background:var(--red)}
.gantt-bar .gantt-bar-progress{position:absolute;left:0;top:0;height:100%;background:rgba(255,255,255,.2);border-radius:4px 0 0 4px}
.gantt-today-line{position:absolute;top:0;bottom:0;width:2px;background:var(--red);z-index:3;pointer-events:none}
.gantt-today-line::before{content:'今';position:absolute;top:-16px;left:-8px;font-size:10px;color:var(--red);font-weight:700}

.gantt-legend{display:flex;gap:16px;margin-top:12px;font-size:11px;color:var(--text-secondary);align-items:center;flex-wrap:wrap}
.gantt-legend-bar{display:inline-block;width:20px;height:12px;border-radius:2px;margin-right:4px;vertical-align:middle}
.gantt-legend-bar.todo{background:var(--text-muted)}
.gantt-legend-bar.doing{background:var(--accent)}
.gantt-legend-bar.done{background:var(--green)}
.gantt-legend-bar.overdue{background:var(--red)}
.gantt-legend-today{color:var(--red);font-weight:700}

/* ===== Tool Links ===== */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.tool-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center;cursor:pointer;transition:all .15s;text-decoration:none;color:var(--text);display:block}
.tool-card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:0 4px 12px rgba(0,0,0,.2)}
.tool-icon{font-size:28px;margin-bottom:10px}
.tool-name{font-size:12px;font-weight:600}
.tool-desc{font-size:10px;color:var(--text-muted);margin-top:4px}

.tool-section-title{font-size:12px;font-weight:700;color:var(--text-secondary);margin:20px 0 12px;text-transform:uppercase;letter-spacing:.5px}
.tool-section-title:first-child{margin-top:0}

/* ===== Progress bar ===== */
.progress{height:6px;background:var(--bg-elevated);border-radius:3px;overflow:hidden;margin-top:8px}
.progress-bar{height:100%;border-radius:3px;transition:width .3s ease}

/* ===== Modal ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(2px)}
.modal-overlay.active{display:flex}
.modal{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);width:90%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:15px;font-weight:700}
.modal-close{background:none;border:none;color:var(--text-muted);font-size:20px;cursor:pointer;padding:4px}
.modal-body{padding:20px}
.modal-footer{padding:16px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
.form-group{margin-bottom:14px}
.form-row{display:flex;gap:12px}
.form-row>*{flex:1}

/* ===== Toast ===== */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 20px;font-size:13px;box-shadow:var(--shadow-lg);z-index:2000;transition:transform .3s ease;pointer-events:none}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.success{border-color:var(--green)}
.toast.error{border-color:var(--red)}

/* ===== Overlay mask ===== */
.overlay-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:99}
.overlay-mask.active{display:block}

/* ===== Chart ===== */
.chart-container{position:relative;height:200px}
.chart-container.tall{height:280px}

/* ===== Mobile ===== */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%);width:var(--sidebar-w)}
  .sidebar.show{transform:translateX(0)}
  .main{margin-left:0!important}
  .main.expanded{margin-left:0}
  .mobile-topbar-btn{display:flex}
  .topbar-title{font-size:15px}
  .search-box{display:none}
  .topbar-time{display:none}
  .content{padding:14px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .kpi-value{font-size:22px}
  .form-row{flex-direction:column}
  .tool-grid{grid-template-columns:repeat(2,1fr)}
  .calendar-day{min-height:32px;font-size:11px}
  .milestone-bar{grid-template-columns:repeat(3,1fr)}
  .milestone-card .ms-days{font-size:22px}
  .slice-actions{flex-direction:column}
}
@media(max-width:480px){
  .grid-4{grid-template-columns:1fr}
  .kpi-value{font-size:20px}
  .kpi{padding:14px}
  .content{padding:10px}
  .milestone-bar{grid-template-columns:repeat(2,1fr)}
  .revenue-input-row{flex-direction:column;align-items:stretch}
  .revenue-input-row .input{width:100%}
}