/* 周报汇总站：基础样式。颜色一律走 CSS 变量；prefers-color-scheme 自动深色；≥360px 响应式。
   页面专有样式：前端核心页（登录/首页/提交/查看）在本文件末尾；汇总/历史/Agent/管理页在 pages.css。 */

:root {
  color-scheme: light dark;
  --bg: #f4f5f8;
  --fg: #1d2330;
  --muted: #5f6b7e;
  --card: #ffffff;
  --card-2: #f8f9fb;
  --border: #d9dee7;
  --primary: #2a5fd6;
  --primary-fg: #ffffff;
  --ok: #1a7f43;
  --warn: #8a5a00;
  --err: #c62828;
  --ok-bg: #e5f5ea;
  --warn-bg: #fff3d6;
  --err-bg: #fde8e8;
  --info-bg: #e7efff;
  --muted-bg: #eceff4;
  --highlight: #fff6c2;
  --shadow: 0 1px 2px rgba(20, 30, 50, 0.06), 0 2px 8px rgba(20, 30, 50, 0.05);
  --radius: 8px;
  --focus: #2a5fd6;
  --on-solid: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --fg: #e7eaf0;
    --muted: #a0a9b8;
    --card: #1b2028;
    --card-2: #20262f;
    --border: #333b48;
    --primary: #7aa5ff;
    --primary-fg: #0b1220;
    --ok: #55d48a;
    --warn: #f0b94d;
    --err: #ff8a85;
    --ok-bg: #16301f;
    --warn-bg: #35290d;
    --err-bg: #3b1a1a;
    --info-bg: #1a2a4a;
    --muted-bg: #272e39;
    --highlight: #4a4112;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    --focus: #7aa5ff;
    --on-solid: #0d1117;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  min-width: 320px;
  overflow-wrap: anywhere;
}

body.no-scroll { overflow: hidden; }

h1 { font-size: 1.45rem; margin: 0 0 12px; line-height: 1.3; }
h2 { font-size: 1.15rem; margin: 0 0 8px; line-height: 1.35; }
h3 { font-size: 1rem; margin: 0 0 6px; }
p { margin: 0 0 8px; }
a { color: var(--primary); }
code { font: 0.9em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: var(--muted-bg); padding: 1px 5px; border-radius: 4px; }
hr { border: 0; border-top: 1px solid var(--border); margin: 12px 0; }

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* ---------- 布局 ---------- */
.container { max-width: 1000px; margin: 0 auto; padding: 16px; }
.container-narrow { max-width: 820px; }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.col { display: flex; flex-direction: column; gap: 8px; }
.grow { flex: 1 1 0; min-width: 0; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 8px 0 12px; }
.spacer { flex: 1 1 auto; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mt { margin-top: 12px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  margin: 0 0 14px;
}
.card > h2:first-child, .card > .card-head:first-child { margin-top: 0; }
.card-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 8px; }
.card-head h2 { margin: 0; flex: 1 1 auto; }

/* ---------- 顶栏 ---------- */
.topbar { background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.topbar-inner { max-width: 1000px; margin: 0 auto; padding: 8px 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; }
.brand { font-weight: 700; color: var(--fg); text-decoration: none; font-size: 1.05rem; }
.nav { display: flex; gap: 2px; overflow-x: auto; flex: 1 1 auto; -webkit-overflow-scrolling: touch; }
.nav a { color: var(--muted); text-decoration: none; padding: 6px 10px; border-radius: 6px; white-space: nowrap; }
.nav a:hover { background: var(--muted-bg); color: var(--fg); }
.nav a[aria-current="page"] { background: var(--info-bg); color: var(--primary); font-weight: 600; }
.topbar-tools { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.topbar .search { width: 150px; }
.whoami { font-size: 0.9rem; color: var(--muted); }
.whoami strong { color: var(--fg); }
.app-footer { text-align: center; color: var(--muted); font-size: 0.8rem; padding: 16px; }

/* ---------- 按钮 / 表单 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 4px;
  font: inherit; line-height: 1.2; cursor: pointer; text-decoration: none;
  padding: 7px 14px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--card); color: var(--fg); min-height: 34px;
}
.btn:hover { background: var(--muted-bg); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: var(--primary-fg); font-weight: 600; }
.btn-primary:hover { background: var(--primary); filter: brightness(1.08); }
.btn-danger { background: var(--err); border-color: var(--err); color: var(--on-solid); }
.btn-danger:hover { background: var(--err); filter: brightness(1.08); }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-sm { padding: 3px 9px; min-height: 28px; font-size: 0.88rem; }
.btn-link { border: 0; background: none; color: var(--primary); padding: 0 2px; min-height: 0; text-decoration: underline; cursor: pointer; font: inherit; }

.input, .select, .textarea {
  font: inherit; color: var(--fg); background: var(--card);
  border: 1px solid var(--border); border-radius: 6px; padding: 6px 10px;
  width: 100%; min-height: 34px; min-width: 0;
}
.textarea { resize: vertical; min-height: 72px; line-height: 1.5; }
.input::placeholder, .textarea::placeholder { color: var(--muted); opacity: 0.8; }
.input[aria-invalid="true"], .select[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--err); box-shadow: 0 0 0 1px var(--err); }
.field { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.field > label, .label { font-size: 0.85rem; color: var(--muted); }
.field-error { color: var(--err); font-size: 0.82rem; }
.counter { font-size: 0.8rem; color: var(--muted); white-space: nowrap; }
.counter.over { color: var(--err); font-weight: 600; }

/* ---------- 徽标 / 灯 ---------- */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 999px; font-size: 0.8rem; line-height: 1.5; background: var(--muted-bg); color: var(--fg); white-space: nowrap; border: 1px solid transparent; }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-err { background: var(--err-bg); color: var(--err); }
.badge-info { background: var(--info-bg); color: var(--primary); }
.badge-muted { background: var(--muted-bg); color: var(--muted); }

.light { display: inline-flex; align-items: center; gap: 4px; font-weight: 600; white-space: nowrap; }
.light .dot { width: 10px; height: 10px; border-radius: 50%; background: currentColor; display: inline-block; flex: none; }
.light-red { color: var(--err); }
.light-yellow { color: var(--warn); }
.light-green { color: var(--ok); }
.light-none { color: var(--muted); font-weight: 400; }
.light-none .dot { background: transparent; border: 1px dashed currentColor; }

/* ---------- 横幅 / 空态 / 骨架 ---------- */
.banner { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 10px 14px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--card-2); margin: 0 0 12px; }
.banner-warn { background: var(--warn-bg); border-color: var(--warn); color: var(--fg); }
.banner-err { background: var(--err-bg); border-color: var(--err); color: var(--fg); }
.banner-info { background: var(--info-bg); border-color: var(--primary); color: var(--fg); }
.banner ul { margin: 4px 0 0; padding-left: 20px; }
.banner .banner-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.empty { text-align: center; color: var(--muted); padding: 28px 12px; }
.empty p { margin-bottom: 12px; }

.skeleton-block { display: flex; flex-direction: column; gap: 10px; padding: 8px 0; }
.skeleton { height: 14px; border-radius: 4px; background: linear-gradient(90deg, var(--muted-bg) 25%, var(--border) 50%, var(--muted-bg) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite linear; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { .skeleton { animation: none; } }

/* ---------- 标签页 / 表格 ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 12px; overflow-x: auto; }
.tab { background: none; border: 0; border-bottom: 2px solid transparent; padding: 8px 14px; cursor: pointer; font: inherit; color: var(--muted); white-space: nowrap; text-decoration: none; }
.tab:hover { color: var(--fg); }
.tab[aria-selected="true"], .tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.93rem; }
.table th, .table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { color: var(--muted); font-weight: 600; white-space: nowrap; background: var(--card-2); }
.table tbody tr:hover { background: var(--card-2); }
.table tr.clickable { cursor: pointer; }

dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; margin: 8px 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }

/* ---------- toast / modal / drawer ---------- */
.toast-wrap { position: fixed; left: 50%; bottom: 72px; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; width: calc(100% - 32px); max-width: 480px; pointer-events: none; }
.toast { background: var(--fg); color: var(--bg); padding: 9px 16px; border-radius: 8px; box-shadow: var(--shadow); font-size: 0.93rem; pointer-events: auto; max-width: 100%; }
.toast-ok { background: var(--ok); color: var(--on-solid); }
.toast-error { background: var(--err); color: var(--on-solid); }

.modal-backdrop, .drawer-backdrop { position: fixed; inset: 0; background: rgba(10, 15, 25, 0.5); z-index: 100; display: flex; }
.modal-backdrop { align-items: center; justify-content: center; padding: 16px; }
.modal { background: var(--card); color: var(--fg); border-radius: 10px; width: 100%; max-width: 520px; max-height: 100%; display: flex; flex-direction: column; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3); }
.modal-head, .drawer-head { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.modal-head h2, .drawer-head h2 { margin: 0; flex: 1 1 auto; font-size: 1.05rem; }
.modal-x { font-size: 1.3rem; padding: 0 10px; min-height: 32px; }
.modal-body { padding: 14px 16px; overflow: auto; }
.modal-actions { padding: 10px 16px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }
.drawer-backdrop { justify-content: flex-end; }
.drawer { background: var(--card); color: var(--fg); width: 100%; max-width: 460px; height: 100%; display: flex; flex-direction: column; box-shadow: -6px 0 30px rgba(0, 0, 0, 0.3); }
.drawer-body { padding: 14px 16px; overflow: auto; flex: 1 1 auto; }
.item-text { font-size: 1.05rem; font-weight: 600; }

/* ---------- 溯源徽标 ---------- */
.ref-chip { font: 0.78rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--primary); background: var(--info-bg); border: 1px solid transparent; border-radius: 4px; padding: 0 5px; margin: 0 2px; cursor: pointer; min-height: 20px; line-height: 1.5; vertical-align: baseline; }
.ref-chip:hover { border-color: var(--primary); }

mark, .hl { background: var(--highlight); color: inherit; padding: 0 1px; border-radius: 2px; }
.highlight { background: var(--highlight) !important; outline: 2px solid var(--warn); outline-offset: 1px; }

/* =====================================================================
   前端核心页面：登录 / 首页 / 提交 / 查看周报
   ===================================================================== */

/* 登录 */
.member-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.member-card { display: flex; align-items: center; gap: 10px; text-align: left; padding: 12px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; font: inherit; color: var(--fg); }
.member-card:hover, .member-card:focus-visible { border-color: var(--primary); background: var(--info-bg); }
.avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--primary); color: var(--primary-fg); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; flex: none; }
.member-card .name { font-weight: 600; display: block; }

/* 首页 */
.todo-title { font-size: 1.1rem; font-weight: 600; }
.pending-list { display: flex; flex-wrap: wrap; gap: 6px; }
.progress { height: 8px; background: var(--muted-bg); border-radius: 999px; overflow: hidden; }
.progress > i { display: block; height: 100%; background: var(--ok); }

/* L2 简报 */
.brief-status { font-weight: 600; margin-bottom: 8px; }
.brief-section { margin: 12px 0 0; }
.brief-section h3 { font-size: 0.92rem; color: var(--muted); margin-bottom: 4px; }
.brief-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.brief-list li { padding: 6px 10px; border-left: 3px solid var(--border); background: var(--card-2); border-radius: 0 6px 6px 0; }
.brief-list li.sev-3 { border-left-color: var(--err); }
.brief-list li.sev-2 { border-left-color: var(--warn); }

/* 提交页 */
.submit-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-bottom: 8px; }
.week-switch { display: inline-flex; align-items: center; gap: 4px; }
.week-switch strong { padding: 0 6px; }
.section-title { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.section-title h2 { margin: 0; }
.health-group { display: inline-flex; gap: 6px; flex-wrap: wrap; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.seg button { font: inherit; background: var(--card); color: var(--fg); border: 0; border-right: 1px solid var(--border); padding: 6px 14px; cursor: pointer; min-height: 34px; }
.seg button:last-child { border-right: 0; }
.seg button:hover { background: var(--muted-bg); }
.seg button[aria-pressed="true"] { background: var(--primary); color: var(--primary-fg); font-weight: 600; }
.seg button[aria-pressed="true"][data-v="dropped"] { background: var(--err); color: var(--on-solid); }
.seg.unset { border-color: var(--warn); box-shadow: 0 0 0 1px var(--warn); }
.seg[aria-invalid="true"], .health-group[aria-invalid="true"] .health-btn { border-color: var(--err); box-shadow: 0 0 0 2px var(--err); }
.field[aria-invalid="true"] .input, .field[aria-invalid="true"] .select { border-color: var(--err); box-shadow: 0 0 0 1px var(--err); }
.health-btn { border: 1px solid var(--border); background: var(--card); color: var(--fg); border-radius: 6px; padding: 6px 14px; font: inherit; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; min-height: 34px; }
.health-btn .dot { width: 10px; height: 10px; border-radius: 50%; background: currentColor; }
.health-btn[data-v="green"] { color: var(--ok); }
.health-btn[data-v="yellow"] { color: var(--warn); }
.health-btn[data-v="red"] { color: var(--err); }
.health-btn[aria-pressed="true"] { background: var(--card-2); border-width: 2px; padding: 5px 13px; font-weight: 700; box-shadow: 0 0 0 2px currentColor inset; }
.health-btn.invalid { border-color: var(--err); box-shadow: 0 0 0 2px var(--err); }

.rows { display: flex; flex-direction: column; gap: 8px; }
.item-row { display: grid; gap: 6px 8px; padding: 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--card-2); align-items: start; }
.item-row.done-row { grid-template-columns: minmax(0, 3fr) minmax(110px, 1.2fr) minmax(0, 3fr) auto; }
.item-row.plan-row { grid-template-columns: minmax(0, 4fr) minmax(110px, 1.4fr) auto; }
.item-row .row-extra { grid-column: 1 / -1; display: grid; grid-template-columns: 2fr 1fr; gap: 8px; }
.item-row .row-actions { display: flex; gap: 4px; align-items: center; }
.item-row .row-meta { grid-column: 1 / -1; font-size: 0.82rem; color: var(--muted); display: flex; gap: 8px; flex-wrap: wrap; }
.item-row.flash { animation: flash 1.6s ease-out; }
@keyframes flash { from { background: var(--highlight); } to { background: var(--card-2); } }
.item-row.need-project .select.project { border-color: var(--warn); }

.carry-card { border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; background: var(--card-2); display: grid; gap: 6px; }
.carry-card.invalid { border-color: var(--err); box-shadow: 0 0 0 2px var(--err); }
.carry-top { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; }
.carry-title { font-weight: 600; flex: 1 1 200px; min-width: 0; }

details.fold { border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); margin: 0 0 12px; }
details.fold > summary { cursor: pointer; padding: 10px 14px; font-weight: 600; display: flex; align-items: center; gap: 8px; list-style: none; }
details.fold > summary::-webkit-details-marker { display: none; }
details.fold > summary::before { content: "▸"; color: var(--muted); transition: transform 0.15s; }
details.fold[open] > summary::before { transform: rotate(90deg); }
details.fold > .fold-body { padding: 4px 14px 14px; }
.blocker-row, .decision-row { display: grid; gap: 6px 8px; padding: 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--card-2); }
.blocker-row { grid-template-columns: minmax(0, 4fr) minmax(110px, 1.4fr) minmax(0, 2.4fr) 90px auto; align-items: start; }
.decision-row { grid-template-columns: minmax(0, 1fr); }
.decision-row .grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.decision-row .grid2 { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 8px; }
.person-pick { display: flex; gap: 4px; flex-direction: column; }

.savebar { position: sticky; bottom: 0; z-index: 15; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 -2px 10px rgba(20, 30, 50, 0.12); padding: 10px 14px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-top: 8px; }
.save-status { flex: 1 1 200px; min-width: 0; font-size: 0.9rem; color: var(--muted); }
.save-status.error { color: var(--err); font-weight: 600; }
.save-status.dirty { color: var(--warn); font-weight: 600; }

fieldset.plain { border: 0; margin: 0; padding: 0; min-width: 0; }

.paste-count { font-size: 0.85rem; }
.unparsed-list { display: flex; flex-direction: column; gap: 6px; margin: 6px 0; }
.unparsed-list label { display: flex; gap: 8px; align-items: flex-start; }

/* 查看周报 */
.report-head { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; }
.report-head h1 { margin: 0; flex: 1 1 auto; }
.headline { font-size: 1.15rem; font-weight: 600; margin: 8px 0; }
.report-item { position: relative; padding: 8px 76px 8px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--card-2); margin-bottom: 8px; }
.report-item .title { font-weight: 600; }
.report-item > .ref-chip { position: absolute; top: 8px; right: 8px; }
.report-item .meta { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 0.88rem; color: var(--muted); margin-top: 4px; }
.md p { margin: 0 0 6px; }
.md ul, .md ol { margin: 0 0 6px; padding-left: 22px; }
.rev-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.rev-list button { width: 100%; text-align: left; font: inherit; color: var(--fg); background: var(--card-2); border: 1px solid var(--border); border-radius: 6px; padding: 8px 10px; cursor: pointer; display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; }
.rev-list button:hover { border-color: var(--primary); }

/* ---------- 窄屏 ---------- */
@media (max-width: 720px) {
  .container { padding: 12px; }
  .topbar-tools { flex: 1 1 100%; flex-wrap: nowrap; }
  .topbar-search { flex: 1 1 auto; min-width: 0; }
  .topbar .search { width: 100%; }
  .hide-sm { display: none; }
  .topbar { position: static; }
  .item-row.done-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .item-row.done-row .f-title { grid-column: 1 / -1; }
  .item-row.done-row .f-impact { grid-column: 1 / -1; order: 4; }
  .item-row.done-row .row-actions { order: 3; justify-self: end; }
  .item-row .row-meta, .item-row .row-extra { order: 5; }
  .item-row.plan-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .item-row.plan-row .f-title { grid-column: 1 / -1; }
  .blocker-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .blocker-row .f-text { grid-column: 1 / -1; }
  .decision-row .grid3, .decision-row .grid2, .item-row .row-extra { grid-template-columns: minmax(0, 1fr); }
  dl.kv { grid-template-columns: 1fr; }
  .toast-wrap { bottom: 84px; }
  .drawer { max-width: 100%; }
}

/* ---------- 打印（浏览器打印汇总页） ---------- */
@media print {
  :root { color-scheme: light; --bg: Canvas; --fg: CanvasText; --card: Canvas; --card-2: Canvas; --muted: GrayText; --border: GrayText; }
  body { background: var(--bg); color: var(--fg); font-size: 12pt; }
  .topbar, .app-footer, .toolbar, .tabs, .btn, .savebar, .toast-wrap, .modal-backdrop, .drawer-backdrop, .no-print { display: none !important; }
  .container { max-width: none; padding: 0; }
  .card { box-shadow: none; break-inside: avoid; }
  a { color: inherit; text-decoration: none; }
  .ref-chip { border: 0; background: none; color: inherit; }
}