:root{
  --bg:#f5f6f8; --panel:#fff; --panel2:#fbfbfd; --border:#e6e8ec; --border2:#d4d8de;
  --text:#1f2328; --muted:#6b7280; --faint:#9aa0aa;
  --brand:#2f6feb; --brand-weak:#eaf1ff;
  --green:#22a06b; --red:#d1242f; --orange:#d97008; --purple:#7a5af8; --yellow:#b89108;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.06);
  --shadow-lg:0 12px 32px rgba(16,24,40,.16);
  --radius:10px; --radius-sm:7px;
  --sidebar-w:224px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,sans-serif;
}
[data-theme="dark"]{
  --bg:#10141a; --panel:#181d26; --panel2:#141920; --border:#262d38; --border2:#333c4a;
  --text:#e6e9ee; --muted:#9aa4b2; --faint:#6b7684;
  --brand:#4c8dff; --brand-weak:#1b2942;
  --shadow:0 1px 2px rgba(0,0,0,.3);
  --shadow-lg:0 14px 40px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px;color:var(--text)}
.hidden{display:none!important}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#c4c9d0;border-radius:5px}
[data-theme="dark"]::-webkit-scrollbar-thumb{background:#39414f}

/* ---------- 布局 ---------- */
#app-root{display:flex;height:100vh;overflow:hidden}
.sidebar{width:var(--sidebar-w);flex:none;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column}
.main{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}
.main-scroll{flex:1;overflow-y:auto;padding:22px 28px 80px}
.brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;font-weight:700;font-size:17px}
.brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#2f6feb,#6aa6ff);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:16px;flex:none}
.nav{padding:6px 10px;flex:1;overflow-y:auto}
.nav-group{font-size:11px;color:var(--faint);text-transform:uppercase;letter-spacing:.06em;padding:14px 10px 5px}
.nav-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;color:var(--muted);cursor:pointer;margin-bottom:1px;user-select:none;font-size:14px}
.nav-item:hover{background:var(--panel2);color:var(--text)}
.nav-item.active{background:var(--brand-weak);color:var(--brand);font-weight:600}
.nav-item svg{flex:none;opacity:.85}
.nav-item .ncount{margin-left:auto;background:var(--border);color:var(--muted);border-radius:10px;font-size:11px;padding:0 7px;line-height:18px;min-width:18px;text-align:center}
.nav-item .ncount.danger{background:var(--red);color:#fff}
.nav-item .dot{width:8px;height:8px;border-radius:50%;margin-left:auto;flex:none}
.sidebar-foot{border-top:1px solid var(--border);padding:12px 14px;font-size:12px;color:var(--faint)}
.userchip{display:flex;align-items:center;gap:10px;padding:8px;border-radius:9px;cursor:pointer}
.userchip:hover{background:var(--panel2)}
.avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:13px;flex:none}

/* 顶栏 */
.topbar{display:flex;align-items:center;gap:14px;padding:0 28px;height:56px;border-bottom:1px solid var(--border);background:var(--panel);flex:none}
.topbar h1{font-size:18px;margin:0;font-weight:700;white-space:nowrap}
.topbar .crumb{color:var(--faint);font-weight:400;font-size:13px}
.search{flex:1;max-width:340px;position:relative}
.search input{width:100%;padding:7px 12px 7px 32px;border:1px solid var(--border2);border-radius:8px;background:var(--panel2);outline:none}
.search svg{position:absolute;left:9px;top:8px;color:var(--faint)}
.spacer{flex:1}
.iconbtn{width:36px;height:36px;border-radius:9px;border:1px solid transparent;background:transparent;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;position:relative}
.iconbtn:hover{background:var(--panel2);color:var(--text)}
.iconbtn .badge{position:absolute;top:3px;right:3px;background:var(--red);color:#fff;font-size:10px;border-radius:8px;padding:0 5px;min-width:15px;text-align:center;line-height:15px}

/* ---------- 通用组件 ---------- */
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:18px}
.card-h{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border);font-weight:600}
.grid{display:grid;gap:16px}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.cols-4{grid-template-columns:repeat(2,1fr)}.cols-3{grid-template-columns:repeat(2,1fr)}.cols-2{grid-template-columns:1fr}}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border2);background:var(--panel);color:var(--text);padding:7px 14px;border-radius:8px;font-size:14px;transition:.12s;white-space:nowrap}
.btn:hover{background:var(--panel2)}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:#2456c9}
.btn-danger{color:var(--red);border-color:#e6b8ba}
.btn-danger:hover{background:#fdecec}
.btn-sm{padding:4px 9px;font-size:12.5px;border-radius:7px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{border-color:transparent;background:transparent;color:var(--muted)}
.btn.ghost:hover{background:var(--panel2);color:var(--text)}
.input,select.input,textarea.input{width:100%;padding:8px 11px;border:1px solid var(--border2);border-radius:8px;background:var(--panel);outline:none}
.input:focus,select.input:focus,textarea.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,111,235,.15)}
textarea.input{resize:vertical;min-height:80px}
label.field{display:block;margin-bottom:14px}
label.field>span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.label{font-size:12px;color:var(--muted);display:block;margin-bottom:5px}
.switch{position:relative;width:38px;height:22px;flex:none}
.switch input{opacity:0;width:0;height:0}
.switch i{position:absolute;inset:0;background:var(--border2);border-radius:20px;transition:.15s;cursor:pointer}
.switch i:before{content:"";position:absolute;width:16px;height:16px;border-radius:50%;background:#fff;left:3px;top:3px;transition:.15s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.switch input:checked+i{background:var(--brand)}
.switch input:checked+i:before{transform:translateX(16px)}
.field-row{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--border);gap:14px}
.field-row:last-child{border-bottom:none}
.field-row .fr-t b{font-weight:600;display:block}
.field-row .fr-t span{font-size:12.5px;color:var(--muted)}
.toastwrap{position:fixed;top:16px;right:16px;z-index:2000;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--text);color:var(--bg);padding:10px 16px;border-radius:9px;box-shadow:var(--shadow-lg);font-size:14px;max-width:340px;animation:tin .2s ease}
.toast.ok{background:var(--green);color:#fff}
.toast.err{background:var(--red);color:#fff}
@keyframes tin{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* modal */
.modal-mask{position:fixed;inset:0;background:rgba(16,24,40,.45);z-index:1500;display:flex;align-items:flex-start;justify-content:center;padding:6vh 16px;overflow-y:auto;animation:fin .18s}
@keyframes fin{from{opacity:0}}
.modal{background:var(--panel);border-radius:14px;box-shadow:var(--shadow-lg);width:100%;max-width:620px;overflow:hidden}
.modal.sm{max-width:420px}
.modal.lg{max-width:760px}
.modal-h{display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--border);font-weight:700;font-size:16px}
.modal-b{padding:18px 20px;overflow-y:auto}
.modal-f{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}

/* pill / badges */
.pill{display:inline-flex;align-items:center;gap:5px;font-size:12px;padding:2px 8px;border-radius:20px;line-height:18px;white-space:nowrap}
.p-proj{color:#fff;font-weight:500}
.pri{width:12px;height:12px;border-radius:3px;flex:none}
.pri-0{background:#c4c9d0}.pri-1{background:var(--green)}.pri-2{background:var(--orange)}.pri-3{background:var(--red)}

/* ---------- 登录 ---------- */
.login-wrap{height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(1200px 500px at 20% -10%,#e4eeff 0,var(--bg) 55%)}
.login-card{width:400px;max-width:92vw}
.login-logo{display:flex;flex-direction:column;align-items:center;gap:6px;margin-bottom:22px}
.login-logo .logo{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#2f6feb,#6aa6ff);display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;font-weight:800}
.login-logo h1{margin:4px 0 0;font-size:20px}
.login-logo p{margin:0;color:var(--muted);font-size:13px}

/* task list */
.task-item{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:9px;cursor:pointer;transition:background .1s}
.task-item:hover{background:var(--panel2)}
.task-item:hover .row-actions{opacity:1}
.task-item.selected{background:var(--brand-weak)}
.task-check{width:18px;height:18px;border-radius:50%;border:2px solid var(--border2);flex:none;margin-top:2px;display:flex;align-items:center;justify-content:center;transition:.12s;color:#fff}
.task-check:hover{border-color:var(--brand)}
.task-check.done{background:var(--green);border-color:var(--green)}
.task-main{flex:1;min-width:0}
.task-title{font-weight:500}
.task-title.done{text-decoration:line-through;color:var(--muted)}
.task-meta{display:flex;align-items:center;gap:8px;margin-top:4px;font-size:12px;color:var(--faint);flex-wrap:wrap}
.task-meta .chip{display:inline-flex;align-items:center;gap:4px;background:var(--panel2);border:1px solid var(--border);padding:1px 7px;border-radius:12px;line-height:17px;color:var(--muted)}
.task-meta .chip.due-ov{color:var(--red);border-color:#f0c3c5;background:#fdf1f1}
.task-meta .chip.due-today{color:var(--orange);border-color:#f3d6b2;background:#fdf7ee}
.row-actions{opacity:0;display:flex;gap:2px;transition:.1s}
.subtask{display:flex;align-items:center;gap:9px;padding:4px 12px 4px 40px;border-radius:7px;font-size:13.5px;cursor:pointer;color:var(--muted)}
.subtask:hover{background:var(--panel2)}
.subtask .sbox{width:15px;height:15px;border-radius:4px;border:2px solid var(--border2);display:flex;align-items:center;justify-content:center;color:#fff;flex:none;font-size:10px}
.subtask .sbox.on{background:var(--green);border-color:var(--green)}

/* empty */
.empty{text-align:center;color:var(--faint);padding:48px 20px}
.empty svg{opacity:.35;margin-bottom:10px}
.empty b{display:block;color:var(--muted);font-weight:600}

/* section title */
.page-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.page-head h2{margin:0;font-size:20px;font-weight:700}
.subtitle{color:var(--muted);font-size:13px}

/* segmented */
.seg{display:inline-flex;background:var(--panel2);border:1px solid var(--border);border-radius:9px;padding:2px}
.seg button{border:none;background:transparent;padding:6px 13px;border-radius:7px;font-size:13.5px;color:var(--muted)}
.seg button.active{background:var(--panel);color:var(--text);font-weight:600;box-shadow:var(--shadow)}

/* date nav */
.daynav{display:flex;align-items:center;gap:8px}
.daynav .arrow{width:30px;height:30px;border-radius:8px;border:1px solid var(--border);background:var(--panel);display:flex;align-items:center;justify-content:center;cursor:pointer}
.daynav .arrow:hover{background:var(--panel2)}

/* kanban */
.board-wrap{display:flex;gap:14px;align-items:flex-start;overflow-x:auto;padding-bottom:10px}
.board-col{width:286px;flex:none;background:var(--panel2);border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;max-height:calc(100vh - 150px)}
.col-h{padding:11px 13px;display:flex;align-items:center;gap:8px;font-weight:600}
.col-h .dot{width:10px;height:10px;border-radius:3px}
.col-cards{flex:1;overflow-y:auto;padding:4px 8px 8px;min-height:60px}
.card-mini{background:var(--panel);border:1px solid var(--border);border-radius:9px;padding:9px 11px;margin-bottom:7px;cursor:pointer;box-shadow:var(--shadow);transition:.1s}
.card-mini:hover{border-color:var(--brand)}
.card-mini.dragging{opacity:.4}
.card-mini .cm-top{display:flex;align-items:flex-start;gap:8px}
.card-mini .cm-title{flex:1;font-size:13.5px;line-height:1.4}
.card-mini .cm-title.done{text-decoration:line-through;color:var(--muted)}
.card-mini .cm-foot{display:flex;align-items:center;gap:6px;margin-top:7px;font-size:11.5px;color:var(--faint)}
.drop-hint{border:2px dashed var(--brand);border-radius:9px;height:40px;margin-bottom:7px;background:var(--brand-weak)}
.col-add-col{width:70px;min-width:70px;display:flex;align-items:center;justify-content:center;height:70px;border:1px dashed var(--border2);border-radius:12px;color:var(--faint);cursor:pointer;font-size:24px}

/* calendar */
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-dow{text-align:center;font-size:12px;color:var(--faint);padding:4px;font-weight:600}
.cal-cell{background:var(--panel);border:1px solid var(--border);border-radius:9px;min-height:96px;padding:6px;cursor:pointer;overflow:hidden;position:relative}
.cal-cell:hover{border-color:var(--brand)}
.cal-cell.other{opacity:.45}
.cal-cell.today{border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand)}
.cal-day{font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;margin-bottom:3px}
.cal-day.today b{background:var(--brand);color:#fff;border-radius:50%;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;font-size:12px}
.cal-ev{font-size:11px;padding:1px 5px;border-radius:4px;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;color:#fff;line-height:16px}
.cal-ev.done{text-decoration:line-through;opacity:.6}
.cal-more{font-size:11px;color:var(--faint);padding:1px 5px}

/* table */
.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:12px;color:var(--faint);font-weight:600;padding:8px 12px;border-bottom:1px solid var(--border);white-space:nowrap}
.tbl td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:var(--panel2)}

/* bars for charts */
.hbar-row{display:grid;grid-template-columns:170px 1fr 60px;align-items:center;gap:10px;margin-bottom:7px}
.hbar-track{background:var(--panel2);border-radius:6px;height:22px;overflow:hidden}
.hbar{height:100%;border-radius:6px;transition:width .4s}

/* misc */
.banner{background:var(--brand-weak);color:var(--brand);padding:12px 16px;border-radius:10px;font-size:13px;margin-bottom:16px}
.menu{position:absolute;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-lg);z-index:1200;padding:5px;min-width:170px}
.menu button{display:flex;align-items:center;gap:9px;width:100%;border:none;background:none;padding:8px 11px;border-radius:7px;font-size:13.5px;color:var(--text);text-align:left}
.menu button:hover{background:var(--panel2)}
.menu button.danger{color:var(--red)}
.menu hr{border:none;border-top:1px solid var(--border);margin:4px 2px}
.kbd{font-size:11px;color:var(--faint);border:1px solid var(--border);border-radius:4px;padding:0 5px}
.mono{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}.faint{color:var(--faint)}
.mt0{margin-top:0}.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}
.mb8{margin-bottom:8px}.mb16{margin-bottom:16px}
.flex{display:flex;align-items:center;gap:10px}
.between{justify-content:space-between}
.wrap{flex-wrap:wrap}
.row-gap{row-gap:10px}
.end{justify-content:flex-end}
.f1{flex:1}
.center{text-align:center}
.small{font-size:12.5px}.tiny{font-size:11.5px}
.success{color:var(--green)}.error{color:var(--red)}
.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}
.stat-card .sc-num{font-size:26px;font-weight:800;margin-top:4px}
.stat-card .sc-lbl{color:var(--muted);font-size:13px}
.divider{height:1px;background:var(--border);margin:14px 0}
.barchart{display:flex;align-items:flex-end;gap:6px;height:150px;padding-top:6px}
.bar{flex:1;background:var(--brand);border-radius:4px 4px 0 0;min-height:2px;position:relative}
.bar:hover{filter:brightness(1.1)}
.bar .btip{position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);font-size:11px;padding:2px 7px;border-radius:5px;white-space:nowrap;display:none;z-index:5}
.bar:hover .btip{display:block}

/* ---------- settings / admin / notif / trash / projects ---------- */
.set-nav{display:block;width:100%;text-align:left;border:none;background:none;padding:9px 12px;border-radius:7px;font-size:13.5px;color:var(--muted);margin-bottom:2px}
.set-nav:hover{background:var(--panel2);color:var(--text)}
.set-nav.on{background:var(--brand-weak);color:var(--brand);font-weight:600}
code{background:var(--panel2);border:1px solid var(--border);border-radius:5px;padding:1px 5px;font-size:12px}
.ntf{display:flex;align-items:flex-start;gap:11px;padding:12px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .1s}
.ntf:last-child{border-bottom:none}
.ntf:hover{background:var(--panel2)}
.ntf.read{opacity:.6}
.ntf-dot{width:8px;height:8px;border-radius:50%;flex:none;margin-top:6px}
.ntf-b{flex:1;min-width:0}
.ntf-t{font-weight:600;font-size:13.5px}
.ntf-m{color:var(--muted);font-size:12.5px;margin-top:2px;white-space:pre-wrap}
.trash-item{display:flex;align-items:center;gap:10px;padding:13px 16px;border-bottom:1px solid var(--border)}
.trash-item:last-child{border-bottom:none}
.trash-item:hover{background:var(--panel2)}
.c-swatch input:checked{outline:2px solid var(--text);outline-offset:2px}