/* 刻 Tick · 纸白 + 墨黑 + 麦色 #b8863b。状态用形状/明度区分，不引新色相。 */
:root{
  --bg-cream:#FAF9F5;
  --bg-deep:#F5F3ED;
  --surface:#FFFFFE;
  --ink:#1F1915;
  --ink-2:#5A554E;
  --ink-3:#8A8279;
  --wheat:#B8863B;
  --wheat-ink:#8A6420;            /* 麦色深版：小字/焦点环用，AA */
  --wheat-soft:rgba(184,134,59,.14);
  --wheat-line:rgba(184,134,59,.5);
  --gray-done:#9A938A;            /* 完成态灰 */
  --border:#D8D3C8;
  --border-soft:#EBE8E2;
  --err:#A83A32;
  --ok:#3D8B6E;
  --serif:Georgia,'Iowan Old Style','Songti SC',serif;
  --sans:ui-sans-serif,-apple-system,'Segoe UI','PingFang SC',sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r:7px;
  --chat-w:372px;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-cream);color:var(--ink);
  font:16px/1.65 var(--sans);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.012em;margin:0}
a{color:var(--wheat-ink)}
button{font:inherit}
:focus-visible{outline:2px solid var(--wheat-ink);outline-offset:2px;border-radius:4px}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--wheat-ink);outline-offset:1px}
.skip{position:absolute;left:-9999px;top:0;z-index:80;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r);padding:8px 12px;font-size:14px}
.skip:focus{left:12px;top:12px}
.only-narrow{display:none}
.grow{flex:1}

/* ---------- 顶栏 ---------- */
.top{position:sticky;top:0;z-index:30;background:var(--bg-cream);border-bottom:1px solid var(--border-soft)}
.top-in{max-width:1120px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;gap:18px}
.brand{font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:-.01em;flex:none}
.nav{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;flex:1;min-width:0}
.nav::-webkit-scrollbar{display:none}
.navbtn{
  flex:none;background:none;border:0;border-bottom:2px solid transparent;
  padding:8px 11px 6px;font-size:14.5px;color:var(--ink-2);cursor:pointer;
  transition:color .15s ease,border-color .15s ease;
}
.navbtn:hover{color:var(--ink)}
.navbtn[aria-current="page"]{color:var(--ink);border-bottom-color:var(--wheat)}
.top-tools{display:flex;align-items:center;gap:8px;flex:none}
.who{font-size:13px;color:var(--ink-3);max-width:14ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.iconbtn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;background:none;border:1px solid transparent;border-radius:var(--r);
  color:var(--ink-2);cursor:pointer;transition:color .15s ease,border-color .15s ease;
}
.iconbtn:hover{color:var(--ink);border-color:var(--border)}
.badge{
  position:absolute;top:-2px;right:-2px;min-width:16px;height:16px;padding:0 4px;
  display:flex;align-items:center;justify-content:center;
  background:var(--wheat);color:var(--ink);border-radius:8px;
  font-size:10.5px;line-height:1;font-weight:600;
}

/* ---------- 按钮 / 表单 ---------- */
.btn{
  font-size:14px;line-height:1.2;padding:9px 14px;
  border:1px solid transparent;border-radius:var(--r);cursor:pointer;
  transition:background-color .15s ease,border-color .15s ease,color .15s ease,filter .15s ease;
}
.btn[disabled]{cursor:progress;opacity:.55}
.btn-sm{font-size:13px;padding:6px 10px}
.btn-ink{background:var(--ink);color:var(--bg-cream);border-color:var(--ink)}
.btn-ink:hover:not([disabled]){filter:brightness(1.35)}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--border)}
.btn-ghost:hover:not([disabled]){border-color:var(--wheat);color:var(--wheat-ink)}
.btn.danger{color:var(--err);border-color:var(--err)}
.btn.danger:hover{background:var(--err);color:var(--surface)}
.seg{display:inline-flex;border:1px solid var(--border);border-radius:var(--r);overflow:hidden}
.seg button{
  background:none;border:0;padding:6px 13px;font-size:13px;color:var(--ink-2);cursor:pointer;
  transition:background-color .15s ease,color .15s ease;
}
.seg button+button{border-left:1px solid var(--border)}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--bg-cream)}
input,select,textarea{
  width:100%;padding:8px 10px;font:inherit;font-size:14.5px;color:var(--ink);
  background:var(--bg-cream);border:1px solid var(--border);border-radius:6px;
}
textarea{resize:vertical}
input::placeholder,textarea::placeholder{color:var(--ink-3)}
.msg{margin:8px 0 0;font-size:13px;max-width:65ch}
.msg.bad{color:var(--err)}
.msg.ok{color:var(--ok)}
.hint{margin:0 0 12px;font-size:13px;color:var(--ink-2);max-width:65ch}

/* ---------- 主区与视图 ---------- */
main{max-width:1080px;margin:0 auto;padding:0 24px 80px}
.view{padding:24px 0 10px}
.view-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:0 0 16px}
.view-head h2{font-size:23px}
.view-date{margin:2px 0 0;font-size:13px;color:var(--ink-2)}
.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rangnav{display:flex;align-items:center;gap:6px}
.cal-month{font-size:14px;color:var(--ink);min-width:9ch;text-align:center}
.sec{margin:0 0 22px}
.sec-h{
  display:flex;align-items:center;gap:8px;margin:0 0 10px;padding-bottom:6px;
  border-bottom:1px solid var(--border-soft);font-size:14px;font-weight:600;
}
.sec-h .count{font-weight:400;font-size:12.5px;color:var(--ink-3)}
.empty{
  border:1px dashed var(--border);border-radius:8px;padding:16px;
  color:var(--ink-2);font-size:13.5px;text-align:center;
}
.quickadd{display:flex;gap:8px;margin:0 0 18px;max-width:560px}
.quickadd input{flex:1}

/* ---------- 状态形状（形状/明度，不引新色相） ---------- */
.shape{
  display:inline-block;width:13px;height:13px;border-radius:3px;flex:none;
  position:relative;vertical-align:-1px;
}
.shape-todo{background:var(--surface);border:1.5px solid var(--ink)}
.shape-doing{background:var(--wheat);border:1.5px solid var(--wheat)}
.shape-done{background:var(--gray-done);border:1.5px solid var(--gray-done)}
.shape-done::after{
  content:"\2713";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:9px;line-height:1;color:var(--ink);
}
.shape.ov{border-width:2.5px;border-color:var(--ink)}
.chip{
  display:inline-flex;align-items:center;gap:5px;flex:none;
  padding:1px 8px;border:1px solid var(--border);border-radius:5px;
  font-size:12px;line-height:1.55;color:var(--ink-2);white-space:nowrap;
}
.chip.wheat{color:var(--wheat-ink);border-color:var(--wheat-line);background:var(--wheat-soft)}
.chip.done{color:var(--ink-3)}
.prog{height:6px;background:var(--border-soft);border-radius:3px;overflow:hidden;min-width:56px}
.prog i{display:block;height:100%;background:var(--wheat)}
.prog.done i{background:var(--gray-done)}

/* ---------- 任务行（今日 / 列表共用） ---------- */
.trow{
  display:grid;gap:10px;align-items:center;
  grid-template-columns:22px minmax(0,3fr) 108px 172px 58px 108px 92px;
  padding:9px 4px;border-top:1px solid var(--border-soft);font-size:14px;
}
.trow:first-child{border-top:0}
.trow:hover{background:var(--bg-deep)}
.t-main{min-width:0;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.t-title{
  background:none;border:0;padding:0;font:inherit;text-align:left;cursor:pointer;
  color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%;
}
.t-title:hover{color:var(--wheat-ink)}
.trow.done .t-title{color:var(--ink-3)}
.t-sub,.t-dates,.t-progcell{font-size:13px;color:var(--ink-2);min-width:0}
.t-dates{font-family:var(--mono);font-size:12px}
.t-acts{display:flex;gap:6px;justify-content:flex-end}
.t-tags{display:flex;gap:5px;flex-wrap:wrap;min-width:0}
.t-check{
  width:17px;height:17px;accent-color:var(--wheat);cursor:pointer;flex:none;
}
.list-head{
  display:grid;gap:10px;grid-template-columns:22px minmax(0,3fr) 108px 172px 58px 108px 92px;
  padding:0 4px 6px;font-size:12.5px;color:var(--ink-3);
}
.filters{display:flex;gap:14px;flex-wrap:wrap;margin:0 0 14px}
.filters label{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-2)}
.filters select{width:auto;min-width:120px}

/* ---------- 甘特 ---------- */
.gantt-wrap{
  overflow-x:auto;border:1px solid var(--border);border-radius:8px;background:var(--surface);
  touch-action:pan-y;
}
.gantt-wrap svg{display:block}
.gantt-wrap text{font-family:var(--sans);fill:var(--ink)}
.g-lbl{font-size:12.5px}
.g-lbl-sub{font-size:11px;fill:var(--ink-3)}
.g-day{font-size:10px;fill:var(--ink-3)}
.g-day.wknd{fill:var(--ink-2)}
.g-month{font-size:12px;fill:var(--ink-2)}
.g-grid{stroke:var(--border-soft);stroke-width:1}
.g-grid.wk{stroke:var(--border)}
.g-wknd{fill:var(--bg-deep)}
.g-today{stroke:var(--wheat);stroke-width:2}
.g-today-lbl{font-size:10.5px;fill:var(--wheat-ink);font-weight:600}
.g-bar{cursor:grab}
.g-bar.dragging{cursor:grabbing}
.g-bar-body{stroke-width:1.5}
.g-ghost{opacity:.6;pointer-events:none;fill:var(--wheat);stroke:var(--wheat-ink);stroke-width:1.5}
.g-handle{fill:transparent;cursor:ew-resize}
.g-b-lbl{font-size:11.5px;fill:var(--ink);pointer-events:none}
.g-b-todo{fill:var(--surface);stroke:var(--ink)}
.g-b-doing{fill:var(--wheat);stroke:var(--wheat)}
.g-b-done{fill:var(--gray-done);stroke:var(--gray-done)}
.g-b-overdue{fill:var(--surface);stroke:var(--ink)}
.g-b-ov{stroke:var(--ink);stroke-width:2.5}
.g-ms{fill:var(--surface);stroke:var(--wheat-ink);stroke-width:2}
.g-ms.done{fill:var(--gray-done);stroke:var(--gray-done)}
.g-dep{fill:none;stroke:var(--ink-2);stroke-width:1.5}
.g-dep-fs{stroke-dasharray:none}
.g-dep-ss{stroke-dasharray:5 3}
.g-dep-ff{stroke-dasharray:1.5 3}
.g-dep-sf{stroke-dasharray:7 2 1.5 2}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;list-style:none;padding:0;margin:12px 0 0;font-size:12.5px;color:var(--ink-2)}
.legend li{display:flex;align-items:center;gap:7px}
.lg{display:inline-block;width:26px;height:2px;background:var(--ink-2);flex:none}
.lg-fs{background:var(--ink-2)}
.lg-ss{background:repeating-linear-gradient(90deg,var(--ink-2) 0 5px,transparent 5px 8px)}
.lg-ff{background:repeating-linear-gradient(90deg,var(--ink-2) 0 2px,transparent 2px 5px)}
.lg-sf{background:repeating-linear-gradient(90deg,var(--ink-2) 0 7px,transparent 7px 9px,var(--ink-2) 9px 10px,transparent 10px 12px)}
.lg-today{width:2px;height:14px;background:var(--wheat)}

/* ---------- 日历 ---------- */
.cal-wk{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;margin-bottom:1px}
.cal-wk span{
  background:var(--bg-cream);padding:6px 8px;font-size:12.5px;color:var(--ink-2);
  border:1px solid var(--border-soft);border-bottom:0;border-radius:8px 8px 0 0;
}
.cal-grid{
  display:grid;grid-template-columns:repeat(7,1fr);gap:1px;
  background:var(--border-soft);border:1px solid var(--border);border-radius:0 0 8px 8px;overflow:hidden;
}
.cal-cell{
  background:var(--surface);min-height:104px;padding:7px 8px;cursor:pointer;
  display:flex;flex-direction:column;gap:4px;text-align:left;border:0;font:inherit;color:inherit;
  transition:background-color .15s ease;
}
.cal-cell:hover{background:var(--bg-deep)}
.cal-cell.today{box-shadow:inset 0 0 0 2px var(--wheat)}
.cal-cell.sel{background:var(--wheat-soft)}
.cal-num{font-size:12.5px;color:var(--ink-2);display:flex;align-items:center;gap:6px}
.cal-cell.today .cal-num{color:var(--wheat-ink);font-weight:600}
.cal-chip{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--ink);min-width:0}
.cal-chip .chip-t{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cal-chip.done .chip-t{color:var(--ink-3)}
.cal-more{font-size:11.5px;color:var(--ink-3)}
#calDetail{margin-top:14px}

/* ---------- 统计 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:12px}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px 18px;
}
.card h3{font-size:15px;margin:0 0 12px}
.bars{display:flex;align-items:flex-end;gap:5px;height:128px;padding-top:6px}
.bar-col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;gap:4px;min-width:0;height:100%}
.bar-col i{display:block;background:var(--wheat);border-radius:2px 2px 0 0;min-height:2px}
.bar-col.zero i{background:var(--border-soft)}
.bar-col b{font-size:10px;font-weight:400;color:var(--ink-3);text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hrow{display:grid;grid-template-columns:88px 1fr 70px;gap:10px;align-items:center;font-size:13px;padding:5px 0}
.hrow .hname{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink)}
.hrow .hbar{height:10px;background:var(--border-soft);border-radius:5px;overflow:hidden}
.hrow .hbar i{display:block;height:100%;background:var(--wheat);border-radius:5px}
.hrow .hval{font-family:var(--mono);font-size:12px;color:var(--ink-2);text-align:right}
.big-num{font:600 clamp(34px,5vw,44px)/1 var(--serif);letter-spacing:-.02em}
.big-num small{font-size:15px;color:var(--ink-2);font-weight:400;margin-left:8px}
.stat-note{font-size:13px;color:var(--ink-2);margin:8px 0 0}

/* ---------- 专注 ---------- */
.focus-box{max-width:440px;display:flex;flex-direction:column;gap:16px}
.timer{font:600 clamp(48px,9vw,64px)/1 var(--mono);letter-spacing:.02em}
.timer.run{color:var(--wheat-ink)}
.fg-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.fg-presets{display:flex;gap:8px;flex-wrap:wrap}
.fg-task{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink-2)}
.fg-task select{max-width:280px}

/* ---------- 设置 ---------- */
.set-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px;max-width:900px}
.key-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.key-val{
  font-family:var(--mono);font-size:12.5px;background:var(--bg-cream);
  border:1px solid var(--border);border-radius:6px;padding:8px 10px;overflow-wrap:anywhere;flex:1;min-width:0;
}
.set-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;border-top:1px solid var(--border-soft);font-size:14px;flex-wrap:wrap}
.set-row:first-of-type{border-top:0}
.set-row .lbl{color:var(--ink-2);font-size:13px}

/* ---------- 聊天面板 ---------- */
.chat{
  position:fixed;top:0;right:0;bottom:0;width:var(--chat-w);z-index:30;
  display:flex;flex-direction:column;background:var(--surface);border-left:1px solid var(--border);
}
.chat-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 16px;border-bottom:1px solid var(--border-soft);
}
.chat-head h2{font-size:17px}
.chat-head-tools{display:flex;align-items:center;gap:6px}
.chat-msgs{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:12px}
.chat-empty{margin:auto;font-size:13px;color:var(--ink-3);text-align:center;max-width:30ch}
.msg-user{
  align-self:flex-end;max-width:86%;overflow-wrap:anywhere;
  background:var(--wheat-soft);border:1px solid var(--wheat-line);
  border-radius:10px 10px 2px 10px;padding:8px 11px;font-size:14px;
}
.msg-ai{align-self:flex-start;max-width:96%;font-size:14px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere}
.msg-ai.error{color:var(--err)}
.msg-tool{
  align-self:flex-start;font-size:12px;color:var(--ink-2);
  border-left:2px solid var(--wheat);padding-left:8px;max-width:96%;
}
.msg-tool.fail{border-left-color:var(--err);color:var(--err)}
.msg-undo{margin-top:7px}
.chat-form{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--border-soft)}
.chat-form input{flex:1}
.chat-scrim{position:fixed;inset:0;z-index:29;background:rgba(31,25,21,.32)}
#chatFab{
  position:fixed;right:18px;bottom:18px;z-index:28;width:48px;height:48px;
  background:var(--wheat);color:var(--ink);border:0;border-radius:50%;
  box-shadow:0 6px 18px -6px rgba(31,25,21,.4);
}
#chatFab:hover{filter:brightness(.94)}

/* ---------- 提醒浮层 ---------- */
.inbox-pop{
  position:absolute;top:52px;right:24px;z-index:40;width:min(340px,calc(100vw - 48px));
  background:var(--surface);border:1px solid var(--border);border-radius:8px;
  box-shadow:0 14px 40px -14px rgba(31,25,21,.3);
}
.inbox-head{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--border-soft)}
.inbox-head h2{font-size:15px}
.inbox-list{list-style:none;margin:0;padding:6px 14px 12px;max-height:60vh;overflow-y:auto}
.inbox-list li{padding:9px 0;border-top:1px solid var(--border-soft);font-size:13.5px}
.inbox-list li:first-child{border-top:0}
.inbox-list .ik{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-bottom:2px}
.inbox-list .it{overflow-wrap:anywhere}
.inbox-list .id-date{font-family:var(--mono);font-size:11.5px;color:var(--ink-3)}

/* ---------- 任务编辑器 ---------- */
.modal-scrim{
  position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;
  padding:18px;background:rgba(31,25,21,.32);
}
.modal{
  width:min(580px,100%);max-height:92vh;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);border-radius:10px;
}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;border-bottom:1px solid var(--border-soft)}
.modal-head h2{font-size:17px}
.modal-body{overflow-y:auto;padding:16px 18px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fld{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--ink-2);min-width:0}
.fld.wide{grid-column:1 / -1}
.fld.check{flex-direction:row;align-items:center;gap:8px}
.fld.check input{width:16px;height:16px;accent-color:var(--wheat)}
fieldset.deps{border:1px solid var(--border-soft);border-radius:6px;padding:10px 12px;margin:0}
fieldset.deps legend{font-size:12.5px;color:var(--ink-2);padding:0 4px}
.deprow{display:flex;gap:8px;margin-bottom:8px}
.deprow select{flex:1;min-width:0}
.deprow .dt{flex:0 0 76px}
.deprow button{flex:none}
.modal-foot{display:flex;align-items:center;gap:8px;padding:12px 18px;border-top:1px solid var(--border-soft)}
.modal-foot .msg{margin:0}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:70;
  background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--ok);
  border-radius:var(--r);padding:10px 14px;font-size:13.5px;max-width:min(480px,92vw);
  box-shadow:0 14px 40px -14px rgba(31,25,21,.3);
}
.toast.bad{border-left-color:var(--err)}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  main{margin-right:var(--chat-w)}
  .only-wide{display:inline-flex}
}
@media (max-width:1023px){
  .only-narrow{display:inline-flex}
  .chat{
    top:auto;left:0;width:auto;height:78vh;border-left:0;border-top:1px solid var(--border);
    border-radius:12px 12px 0 0;transform:translateY(102%);
    transition:transform .25s ease;box-shadow:0 -10px 30px -12px rgba(31,25,21,.25);
  }
  .chat.open{transform:none}
}
@media (max-width:860px){
  .top-in{flex-wrap:wrap;gap:8px 14px;padding:10px 16px}
  .nav{order:3;width:100%}
  .who{display:none}
  main{padding:0 16px 90px}
  .trow{display:flex;flex-wrap:wrap;align-items:center;gap:5px 10px}
  .trow .t-main{flex:1 1 auto;min-width:0}
  .trow .t-acts{margin-left:auto}
  .trow .t-sub,.trow .t-dates{flex:0 0 auto;font-size:12px}
  .trow .t-progcell{flex:1 1 100%;max-width:220px}
  .list-head{display:none}
  .cal-cell{min-height:76px}
  .inbox-pop{right:16px;left:16px;width:auto;top:96px}
  .toast{bottom:88px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}