:root{
  --bg:#f6f7f9; --card:#fff; --ink:#1b1f24; --muted:#6b7280; --line:#e7e9ee;
  --brand:#2f6df6; --brand-ink:#fff;
  --urgent:#e5484d; --high:#f08c00; --normal:#6b7280; --low:#9aa3af;
  --done:#2f9e44; --chip:#eef1f6; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft Yahei",sans-serif;color:var(--ink);background:var(--bg)}
button{font:inherit;cursor:pointer;border:0;border-radius:9px;padding:8px 14px}
button.primary{background:var(--brand);color:var(--brand-ink)}
button.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
button.small{padding:5px 10px;font-size:13px;border-radius:7px}
button.block{display:block;width:100%;margin:8px 0}
button:disabled{opacity:.5;cursor:default}
input,select{font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);width:100%}
.muted{color:var(--muted);font-size:13px}

.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:12px 18px;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:17px;flex-shrink:0}
.brand em{color:var(--muted);font-weight:500;font-style:normal;font-size:13px;margin-left:2px;white-space:nowrap}
.top-actions{display:flex;align-items:center;gap:8px}
.identity{font-size:13px;color:var(--muted);max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

#app{max-width:760px;margin:0 auto;padding:18px 16px 80px}
.summary{display:flex;align-items:center;gap:18px;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);margin-bottom:14px}
.stat{display:flex;flex-direction:column;line-height:1.15}
.stat b{font-size:20px}
.stat span{font-size:12px;color:var(--muted)}
.summary .grow{flex:1}
.filter{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px;white-space:nowrap}

.banner{padding:12px 14px;border-radius:12px;background:#eef4ff;border:1px solid #d6e4ff;color:#1d4ed8;margin-bottom:12px;font-size:14px}
.list{display:flex;flex-direction:column;gap:10px}
.group-label{font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--muted);text-transform:uppercase;margin:8px 2px 2px}

.task{background:var(--card);border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow);padding:13px 14px;display:flex;gap:12px;align-items:flex-start}
.task.resolved{opacity:.6}
.pri{width:8px;align-self:stretch;border-radius:6px;flex:0 0 8px}
.pri.urgent{background:var(--urgent)} .pri.high{background:var(--high)} .pri.normal{background:var(--normal)} .pri.low{background:var(--low)}
.task-main{flex:1;min-width:0}
.task-title{font-weight:600;margin:0 0 4px;word-break:break-word}
.task.resolved .task-title{text-decoration:line-through}
.meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:12px;color:var(--muted)}
.chip{background:var(--chip);border-radius:999px;padding:2px 9px;font-size:12px;color:#374151}
.chip.type{text-transform:capitalize}
.chip.label{background:#e7f0ff;color:#1d4ed8}
.chip.status{background:#f1f3f6}
.actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.actions button{padding:5px 10px;font-size:13px;border-radius:7px;background:#f3f4f6;border:1px solid var(--line);color:#374151}
.actions button.done{background:#e7f6ec;border-color:#bfe6cc;color:#216e39}
.actions button.drop{background:#fdecec;border-color:#f4c8c8;color:#a11}

.empty{text-align:center;color:var(--muted);padding:60px 20px}
.empty h2{color:var(--ink);font-size:18px;margin:0 0 6px}

/* drawers + modal */
[hidden]{display:none !important}        /* author display rules below must not override the hidden attribute */
.drawer,.modal{position:fixed;inset:0;background:rgba(16,24,40,.42);display:flex;z-index:40}
.modal{align-items:center;justify-content:center;padding:16px}
.drawer{justify-content:flex-end}
.drawer-card{width:min(440px,100%);height:100%;overflow:auto;background:var(--card);padding:18px;animation:slide .18s ease}
.modal-card{width:min(400px,100%);background:var(--card);border-radius:16px;padding:20px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
@keyframes slide{from{transform:translateX(20px);opacity:.6}to{transform:none;opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.drawer-head h3{margin:0;font-size:16px}
.x{background:transparent;font-size:22px;line-height:1;color:var(--muted);padding:2px 8px}
.row{display:flex;align-items:center;gap:10px;margin:12px 0}
.row select{width:auto;flex:1}
.drawer-foot{margin-top:18px}
.sep{text-align:center;color:var(--muted);font-size:12px;margin:12px 0}
.otp-tabs{display:flex;gap:6px;margin-bottom:8px}
.tab{background:#f1f3f6;border:1px solid var(--line);font-size:13px;padding:5px 12px}
.tab.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.otp input{margin-bottom:8px}

.rules-list{display:flex;flex-direction:column;gap:8px;margin:10px 0}
.rule{border:1px solid var(--line);border-radius:10px;padding:10px;font-size:13px;display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.rule code{background:var(--chip);border-radius:5px;padding:1px 5px}
.add-rule{margin-top:12px}
.add-rule summary{cursor:pointer;color:var(--brand);font-weight:600;font-size:14px}
.rule-form{margin-top:10px;display:flex;flex-direction:column;gap:8px}
.rule-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.rule-grid label{font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:3px}
.rule-grid label.ck{flex-direction:row;align-items:center}

.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#1b1f24;color:#fff;padding:10px 16px;border-radius:10px;font-size:14px;z-index:60;box-shadow:0 8px 24px rgba(0,0,0,.3)}

@media(max-width:520px){
  .summary{gap:12px;flex-wrap:wrap}
  .rule-grid{grid-template-columns:1fr}
  .brand em{display:none}
}

/* ---- v2: segments, kanban board, task detail drawer ---- */
.seg{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff}
.seg button{background:#fff;border:0;border-radius:0;padding:6px 12px;font-size:13px;color:var(--muted)}
.seg button.active{background:var(--brand);color:#fff}
.top-actions{flex-wrap:wrap;gap:8px}

.board{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;align-items:stretch;min-height:72vh}
/* 列等高、铺满宽屏：flex-grow 让列撑满可视宽度（不再两边留白），窄屏才横向滚动；整列高=大落点区 */
.col{flex:1 1 240px;min-width:240px;background:#eef1f5;border-radius:14px;padding:8px;display:flex;flex-direction:column}
.col.drag-over{outline:2px dashed var(--brand);outline-offset:-2px}
.col-head{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:700;letter-spacing:.03em;color:var(--muted);text-transform:uppercase;padding:4px 6px 8px}
.col-head .n{background:#fff;border-radius:999px;padding:1px 8px;color:#374151}
.col-cards{display:flex;flex-direction:column;gap:8px;flex:1 1 auto;min-height:80px}
.kcard{background:#fff;border:1px solid var(--line);border-radius:11px;box-shadow:var(--shadow);padding:10px;cursor:pointer;border-left:4px solid var(--normal)}
.kcard.p-urgent{border-left-color:var(--urgent)} .kcard.p-high{border-left-color:var(--high)} .kcard.p-low{border-left-color:var(--low)}
.kcard.dragging{opacity:.45}
.kcard .kt{font-weight:600;font-size:14px;margin:0 0 6px;word-break:break-word}
.kcard .kmeta{display:flex;flex-wrap:wrap;gap:5px;align-items:center}
.kbar{height:5px;background:#eef1f6;border-radius:4px;margin-top:8px;overflow:hidden}
.kbar > i{display:block;height:100%;background:var(--brand)}
.chip.assignee{background:#ecfdf3;color:#067647}
.chip.reporter{background:#fff4e6;color:#b54708}

.drawer-card.wide{width:min(560px,100%)}
.td-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:2px 0 10px}
.td-progress{margin:0 0 14px}
.td-progress .bar{height:8px;background:#eef1f6;border-radius:6px;overflow:hidden}
.td-progress .bar > span{display:block;height:100%;background:var(--brand)}
.td-progress small{color:var(--muted);font-size:12px}
.td-section{border-top:1px solid var(--line);padding-top:12px;margin-top:12px}
.td-section h4{margin:0 0 8px;font-size:14px}
.td-source-meta{margin:-2px 0 8px;font-size:12px}
.td-source-body{white-space:pre-wrap;word-break:break-word;font-size:13.5px;line-height:1.55;color:#374151;
  background:#f7f8fa;border:1px solid var(--line);border-radius:10px;padding:11px 13px;max-height:300px;overflow:auto}
.timeline{display:flex;flex-direction:column;gap:8px;margin-bottom:10px;max-height:280px;overflow:auto}
.tl{display:flex;gap:8px;font-size:13px}
.tl .dot{flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--brand);margin-top:5px}
.tl.assignee .dot{background:var(--done)} .tl.owner .dot{background:var(--high)}
.tl .body{flex:1}
.tl .who{font-size:11px;color:var(--muted)}
.add-progress-row{display:flex;gap:6px}
.add-progress-row input{flex:1}.add-progress-row .pct{flex:0 0 56px}.add-progress-row select{flex:0 0 96px}
.assign-row{display:flex;gap:6px;flex-wrap:wrap}.assign-row input{flex:1;min-width:160px}
.td-foot{display:flex;gap:8px;margin-top:16px;border-top:1px solid var(--line);padding-top:12px}
.td-foot button{padding:7px 12px;border-radius:8px;background:#f3f4f6;border:1px solid var(--line);color:#374151}
.td-foot .done{background:#e7f6ec;border-color:#bfe6cc;color:#216e39}
.td-foot .drop{background:#fdecec;border-color:#f4c8c8;color:#a11}
@media(max-width:560px){ .col{flex-basis:80vw} }

/* 看板视图铺满宽屏（不再卡 1180px、两边留白）；列表视图仍保留窄阅读宽度 */
#app.wide{max-width:none;padding-left:24px;padding-right:24px}