:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --col: #eef0f3;
  --line: #e3e5e9;
  --line-2: #d0d7de;
  --text: #1f2328;
  --text-2: #57606a;
  --text-3: #8c959f;
  --blue: #2563eb;
  --blue-soft: #ddf4ff;
  --red: #cf222e;
  --red-soft: #ffebe9;
  --amber: #9a6700;
  --amber-soft: #fff8c5;
  --green: #1a7f37;
  --green-soft: #dafbe1;
  --purple: #6639ba;
  --purple-soft: #fbefff;
  --radius: 10px;
}

* { box-sizing: border-box; }

/* 关键：.gate{display:flex} / .btn{display:inline-flex} 这类类选择器优先级高于
   UA 的 [hidden]{display:none}，会让 el.hidden = true 完全失效（遮罩永远盖住页面）。
   这里用 !important 兜住，凡是 JS 用 hidden 属性控制显隐的元素都靠它。 */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

button { font-family: inherit; cursor: pointer; }

/* ---------- topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 10px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--blue); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; letter-spacing: .5px;
}
.brand-name { font-size: 15px; font-weight: 600; line-height: 1.2; white-space: nowrap; }
.brand-sub { font-size: 12px; color: var(--text-3); line-height: 1.2; white-space: nowrap; }

.filters { display: flex; gap: 10px; flex: 1 1 auto; min-width: 0; flex-wrap: wrap; }
.filters label {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-2);
}
select, input, textarea {
  font-family: inherit; font-size: 13px;
  padding: 5px 8px;
  border: 1px solid var(--line-2);
  border-radius: 7px;
  background: #fff; color: var(--text);
  outline: none;
}
select:focus, input:focus, textarea:focus { border-color: var(--blue); }
textarea { width: 100%; resize: vertical; min-height: 60px; line-height: 1.5; }

.actions { display: flex; gap: 8px; align-items: center; flex: none; margin-left: auto; }
.btn {
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  background: #fff; color: var(--text);
  border-radius: 7px; font-size: 13px;
}
.btn:hover { background: #f3f4f6; }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-urgent { background: var(--red-soft); border-color: #ff8182; color: var(--red); }
.btn-urgent:hover { background: #ffdcd9; }
.btn-ghost { color: var(--text-2); }
.mini {
  border: none; background: transparent; color: var(--text-3);
  font-size: 14px; padding: 0 4px; line-height: 1;
}
.mini:hover { color: var(--text); }
.sync { font-size: 12px; color: var(--text-3); min-width: 90px; }

/* ---------- layout ---------- */
.layout { display: flex; gap: 16px; padding: 16px 20px; align-items: flex-start; }

.sidebar { width: 252px; flex: none; display: flex; flex-direction: column; gap: 14px; position: sticky; top: 74px; }
.side-block {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 10px 12px;
}
.side-title {
  font-size: 12px; color: var(--text-3); font-weight: 600;
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 6px; letter-spacing: .4px;
}
.side-list { list-style: none; margin: 0; padding: 0; }
.side-list li {
  padding: 5px 6px; border-radius: 6px; cursor: pointer;
  display: flex; align-items: center; gap: 6px; font-size: 13px;
}
.side-list li:hover { background: #f3f4f6; }
.side-list li.on { background: var(--blue-soft); color: var(--blue); font-weight: 600; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.side-tip ol { margin: 0; padding-left: 18px; font-size: 12px; color: var(--text-2); }
.side-tip li { margin-bottom: 3px; }

/* ---------- board ---------- */
.board { flex: 1; display: grid; grid-template-columns: repeat(4, minmax(220px, 1fr)); gap: 14px; }
.col {
  background: var(--col); border-radius: var(--radius);
  padding: 10px; min-height: 260px;
  display: flex; flex-direction: column;
}
.col.dragover { outline: 2px dashed var(--blue); outline-offset: -2px; }
.col-head {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; margin-bottom: 8px; padding: 0 2px;
}
.col-count {
  background: #fff; color: var(--text-2);
  font-size: 11px; padding: 0 6px; border-radius: 9px; border: 1px solid var(--line-2);
}
.col-body { display: flex; flex-direction: column; gap: 8px; }

.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 9px; padding: 9px 10px; cursor: pointer;
  border-left: 3px solid var(--line-2);
}
.card:hover { border-color: var(--line-2); box-shadow: 0 1px 4px rgba(0,0,0,.06); }
.card.p0 { border-left-color: var(--red); }
.card.p1 { border-left-color: var(--blue); }
.card.p2 { border-left-color: var(--text-3); }
.card.p3 { border-left-color: #d8dee4; }
.card.done { opacity: .72; }
.card.dropbefore { box-shadow: 0 -2px 0 var(--blue); }

.card-top { display: flex; align-items: center; gap: 6px; margin-bottom: 3px; }
.badge {
  font-size: 11px; padding: 0 6px; border-radius: 5px;
  background: #f3f4f6; color: var(--text-2); flex: none;
}
.badge.p0 { background: var(--red-soft); color: var(--red); font-weight: 600; }
.badge.p1 { background: var(--blue-soft); color: var(--blue); }
.badge.p2 { background: #f3f4f6; color: var(--text-2); }
.badge.p3 { background: #f3f4f6; color: var(--text-3); }
.card-id { font-size: 11px; color: var(--text-3); font-family: ui-monospace, Consolas, monospace; }
.card-title { font-size: 13px; line-height: 1.45; word-break: break-word; }
.card.done .card-title { text-decoration: line-through; color: var(--text-3); }
.card-meta { margin-top: 5px; display: flex; flex-wrap: wrap; gap: 5px; }
.tag {
  font-size: 11px; padding: 0 6px; border-radius: 5px;
  background: var(--purple-soft); color: var(--purple);
}
.tag.block { background: var(--amber-soft); color: var(--amber); }
.tag.ckpt { background: var(--amber-soft); color: var(--amber); }
.tag.report { background: var(--green-soft); color: var(--green); }
.tag.proj { background: #f3f4f6; color: var(--text-2); }
.card-ops { display: flex; gap: 4px; margin-top: 7px; opacity: 0; transition: opacity .12s; }
.card:hover .card-ops { opacity: 1; }
.op {
  border: 1px solid var(--line-2); background: #fff; border-radius: 5px;
  font-size: 11px; padding: 1px 6px; color: var(--text-2);
}
.op:hover { background: #f3f4f6; color: var(--text); }
.op.warn:hover { background: var(--amber-soft); color: var(--amber); }
.op.ok:hover { background: var(--green-soft); color: var(--green); }
.op.del:hover { background: var(--red-soft); color: var(--red); }
.empty { font-size: 12px; color: var(--text-3); padding: 8px 2px; }

/* ---------- drawer ---------- */
.drawer {
  position: fixed; right: 0; top: var(--topbar-h, 58px); bottom: 0; width: 440px;
  background: var(--panel); border-left: 1px solid var(--line);
  box-shadow: -6px 0 20px rgba(0,0,0,.07);
  display: flex; flex-direction: column; z-index: 30;
}
.drawer-head {
  padding: 14px 16px; border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: flex-start; gap: 10px;
}
.drawer-id { font-size: 11px; color: var(--text-3); font-family: ui-monospace, Consolas, monospace; }
.drawer-title { font-size: 15px; font-weight: 600; line-height: 1.4; }
.drawer-body { padding: 14px 16px 30px; overflow: auto; flex: 1; }
.field { margin-bottom: 12px; }
.field > label { display: block; font-size: 12px; color: var(--text-3); margin-bottom: 4px; }
.field-row { display: flex; gap: 8px; }
.field-row > * { flex: 1; }
.hint { font-size: 11px; color: var(--text-3); margin-top: 3px; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  border-left: 2px solid var(--line-2); padding: 0 0 10px 12px;
  font-size: 12px; position: relative;
}
.timeline li:last-child { border-left-color: transparent; }
.timeline .t-time { color: var(--text-3); font-size: 11px; font-family: ui-monospace, Consolas, monospace; }
.timeline .t-who { font-weight: 600; }
.timeline .t-act {
  display: inline-block; font-size: 11px; padding: 0 5px; border-radius: 4px;
  background: #f3f4f6; color: var(--text-2); margin-left: 4px;
}
.timeline .t-msg { color: var(--text-2); }

/* ---------- modal ---------- */
.modal {
  position: fixed; inset: 0; background: rgba(15,20,30,.34);
  display: flex; align-items: center; justify-content: center; z-index: 40;
}
.modal-box {
  background: var(--panel); border-radius: 12px; width: 560px; max-width: 94vw;
  max-height: 88vh; display: flex; flex-direction: column;
  box-shadow: 0 12px 40px rgba(0,0,0,.2);
}
.modal-head {
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; font-weight: 600;
}
.modal-body { padding: 14px 16px; overflow: auto; }
.modal-foot {
  padding: 10px 16px; border-top: 1px solid var(--line);
  display: flex; justify-content: flex-end; gap: 8px;
}
.pre {
  background: #f6f8fa; border: 1px solid var(--line); border-radius: 8px;
  padding: 10px; font-family: ui-monospace, Consolas, monospace;
  font-size: 12px; white-space: pre-wrap; max-height: 52vh; overflow: auto;
  line-height: 1.55;
}
.snap-list { list-style: none; margin: 0; padding: 0; max-height: 46vh; overflow: auto; }
.snap-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 8px; border-radius: 6px; font-size: 12px;
}
.snap-list li:hover { background: #f3f4f6; }

/* ---------- 身份 / 连接 / 在线 ---------- */
.me {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 10px; border: 1px solid var(--line-2); border-radius: 18px;
  background: #fff; font-size: 13px; color: var(--text);
}
.me:hover { background: #f3f4f6; }
.me-dot { width: 7px; height: 7px; border-radius: 50%; background: #8c959f; flex: none; }
.me-dot.on { background: #1a7f37; }
.me-dot.off { background: #cf222e; }
.me-online { font-size: 11px; color: var(--text-3); }
.by {
  margin-left: auto; font-size: 10px; color: var(--text-3);
  background: #f3f4f6; border-radius: 4px; padding: 0 4px;
}
.online-row {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; padding: 3px 0; color: var(--text-2);
}
.side-list .cnt { margin-left: auto; color: var(--text-3); font-size: 11px; }
.side-list .dim { color: var(--text-3); cursor: default; }
.side-list .dim:hover { background: transparent; }
.ckpt-box { background: #fff8c5; border: 1px solid #f0d98a; border-radius: 8px; padding: 10px; }
.ckpt-label { color: #9a6700 !important; font-weight: 600; }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: #1f2328; color: #fff; font-size: 13px;
  padding: 9px 16px; border-radius: 8px; z-index: 60;
  max-width: 80vw; box-shadow: 0 6px 22px rgba(0,0,0,.22);
}
.toast.err { background: #cf222e; }

/* ---------- 连接门 ---------- */
.gate {
  position: fixed; inset: 0; z-index: 90;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.gate-box {
  width: 400px; max-width: 92vw;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; padding: 28px 26px 22px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0,0,0,.08);
}
.gate-logo {
  width: 46px; height: 46px; margin: 0 auto 14px;
  border-radius: 12px; background: var(--blue); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 17px; letter-spacing: .5px;
}
.gate-title { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.gate-msg { font-size: 13px; color: var(--text-2); line-height: 1.6; margin-bottom: 14px; white-space: pre-wrap; }
.gate-field { margin-bottom: 12px; }
.gate-field input { width: 100%; text-align: center; padding: 9px 10px; font-size: 14px; }
.gate-actions { display: flex; gap: 8px; justify-content: center; }
.gate-actions .btn { padding: 7px 18px; }
.gate-diag {
  margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--line);
  font-size: 11px; color: var(--text-3); line-height: 1.7;
  text-align: left; word-break: break-all; font-family: ui-monospace, Consolas, monospace;
}
.gate.err .gate-logo { background: var(--red); }
.gate.spin .gate-logo { animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .45 } }

/* ---------- 断线条 ---------- */
.offline-bar {
  background: var(--red-soft); color: var(--red);
  font-size: 12px; padding: 5px 20px;
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid #ffcecb;
}
.offline-bar button { margin-left: auto; }

@media (max-width: 1100px) {
  .board { grid-template-columns: repeat(2, minmax(220px, 1fr)); }
  .sidebar { width: 210px; position: static; }
}


/* ---------- 平台选择（顶栏） ---------- */
.plat-box { display: flex; align-items: center; gap: 2px; }
.plat-box label { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-2); }
.gear { font-size: 13px; padding: 0 3px; border-radius: 5px; }
.gear:hover { background: #f3f4f6; color: var(--text); }
.plat {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 22px; height: 17px; padding: 0 4px; flex: none;
  border-radius: 4px; font-size: 10px; font-weight: 600; line-height: 1;
  color: #fff; background: var(--pc, #57606a); letter-spacing: .2px;
}
.plat-name { font-size: 11px; color: var(--text-3); }

/* ---------- 左侧任务树（对齐 WorkBuddy：只有任务） ---------- */
.side-count { color: var(--text-3); font-weight: 400; margin-left: 4px; }
.side-search {
  width: 100%; margin-bottom: 6px; padding: 5px 8px;
  font-size: 12px; border-radius: 6px;
}
.task-tree {
  list-style: none; margin: 0; padding: 0;
  max-height: 56vh; overflow: auto; overflow-x: hidden;
}
.tree-row {
  display: flex; align-items: center; gap: 5px;
  padding: 4px 4px 4px calc(4px + var(--depth, 0) * 13px);
  border-radius: 6px; cursor: pointer; font-size: 13px;
}
.tree-row:hover { background: #f3f4f6; }
.tree-row.on { background: var(--blue-soft); }
.tree-row.on .ttitle { color: var(--blue); font-weight: 600; }
.tw {
  width: 15px; height: 15px; flex: none; padding: 0;
  border: 1px solid var(--line-2); background: #fff; border-radius: 4px;
  font-size: 11px; line-height: 1; color: var(--text-2);
  display: flex; align-items: center; justify-content: center;
}
.tw:hover { background: var(--blue-soft); color: var(--blue); border-color: var(--blue); }
.tw-ph { width: 15px; flex: none; }
.ttitle {
  flex: 1; min-width: 0; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; line-height: 1.45;
}
.tkids { font-size: 10px; color: var(--text-3); background: #f3f4f6; border-radius: 8px; padding: 0 5px; flex: none; }
.tstate { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.tstate.s-pending { background: #d0d7de; }
.tstate.s-active { background: var(--blue); }
.tstate.s-paused { background: var(--amber); }
.tstate.s-done { background: var(--green); }
.tree-empty { font-size: 12px; color: var(--text-3); padding: 8px 4px; list-style: none; }

/* ---------- 承接 / 平台标签 ---------- */
.tag.handoff { background: var(--red-soft); color: var(--red); cursor: help; }
.tag.sub { background: var(--blue-soft); color: var(--blue); }
.tag.plat-tag { background: color-mix(in srgb, var(--pc, #57606a) 12%, #fff); color: var(--pc, #57606a); }

/* ---------- 抽屉里的承接区块 ---------- */
.handoff-box { background: #fff5f5; border: 1px solid #ffcecb; border-radius: 8px; padding: 10px; }
.handoff-box .ckpt-label { color: var(--red) !important; font-weight: 600; }
.caps { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; padding: 2px 7px; border-radius: 10px;
  border: 1px solid var(--line-2); background: #fff; cursor: pointer; color: var(--text-2);
}
.chip:has(input:checked) { background: var(--red-soft); border-color: #ff8182; color: var(--red); }
.chip input { margin: 0; padding: 0; width: auto; }

/* ---------- 平台管理弹窗 ---------- */
.plat-list { display: flex; flex-direction: column; gap: 6px; }
.plat-row {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 8px; border: 1px solid var(--line); border-radius: 8px;
}
.plat-row:hover { border-color: var(--line-2); background: #fafbfc; }
.plat-row .plat { height: 20px; min-width: 26px; font-size: 11px; }
.plat-info { flex: 1; min-width: 0; }
.plat-n { font-size: 13px; font-weight: 600; }
.plat-d { font-size: 11px; color: var(--text-3); }
.plat-c { margin-top: 3px; display: flex; flex-wrap: wrap; gap: 4px; }
.cap { font-size: 10px; background: #f3f4f6; color: var(--text-2); border-radius: 4px; padding: 0 5px; }
.plat-ops { display: flex; gap: 4px; flex: none; }
.modal-extra { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.modal-extra a.btn { text-decoration: none; display: inline-flex; align-items: center; }
code { background: #f3f4f6; border-radius: 4px; padding: 0 4px; font-size: 11px; font-family: ui-monospace, Consolas, monospace; }