:root {
  --ink: #182522;
  --muted: #66736e;
  --paper: #f4f6f2;
  --panel: #ffffff;
  --line: #dce3de;
  --brand: #0b6b54;
  --brand-dark: #074f3e;
  --soft: #e7f2ed;
  --warn: #a7482d;
  --shadow: 0 10px 30px rgb(21 48 39 / 8%);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei UI", "PingFang SC", system-ui, sans-serif;
  font-size: 14px;
}
a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; }
button, .secondary {
  border: 1px solid #b7c3bd;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 8px 12px;
  cursor: pointer;
}
button:hover, .secondary:hover { border-color: var(--brand); text-decoration: none; }
.primary {
  border-color: var(--brand);
  color: #fff;
  background: var(--brand);
}
.primary:hover { background: var(--brand-dark); }
.compact { align-self: end; }
.danger-light { color: var(--warn); }

.topbar {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 4vw;
  color: #fff;
  background: #112a24;
}
.brand { color: #fff; font-weight: 700; letter-spacing: .02em; }
.topbar nav { display: flex; align-items: center; gap: 20px; }
.topbar nav a, .link-button { color: #dce9e4; }
.topbar nav form { margin: 0; }
.link-button { padding: 0; border: 0; background: transparent; }

.page { width: min(1440px, 94vw); margin: 0 auto; padding: 32px 0 64px; }
.page-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 24px;
}
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: clamp(28px, 3vw, 42px); letter-spacing: -.04em; }
h2 { margin-bottom: 12px; font-size: 19px; }
h3 { margin: 18px 0 8px; font-size: 14px; }
.eyebrow {
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
}
.muted, .empty { color: var(--muted); }
.flash-stack { width: min(1440px, 94vw); margin: 16px auto -8px; }
.flash { padding: 10px 14px; border: 1px solid #a9d1c2; border-radius: 8px; background: #e8f5f0; }
.error { color: #9c321e; }

.login-card {
  width: min(440px, 100%);
  margin: 7vh auto;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.login-card form, .stack-form { display: grid; gap: 10px; }
label { display: grid; gap: 6px; color: #43504b; font-weight: 600; }
input, select, textarea {
  width: 100%;
  min-height: 38px;
  border: 1px solid #c8d1cc;
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  padding: 8px 10px;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid #88b9a7; outline-offset: 1px; }

.workbench-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}
.task-card, .panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.task-card { padding: 20px; }
.task-new { grid-row: span 3; }
.task-card-head, .panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.task-card-head > div { display: flex; align-items: center; gap: 10px; }
.task-card-head h2 { margin: 0; }
.step { color: #779188; font-size: 11px; font-weight: 800; }
.count {
  min-width: 36px;
  border-radius: 99px;
  background: var(--soft);
  color: var(--brand-dark);
  padding: 5px 10px;
  text-align: center;
  font-weight: 800;
}
.task-overdue { border-top: 3px solid #bd6548; }
.boundary { color: var(--muted); font-size: 12px; }
.task-list, .participant-list, .note-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.task-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-top: 1px solid #edf0ee;
}
.task-list li span { color: var(--muted); font-size: 12px; }
.candidate, .conversation { border-top: 1px solid #e7ebe8; }
.candidate summary, .conversation summary {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  cursor: pointer;
}
.candidate summary span, .conversation summary span { color: var(--muted); font-size: 12px; }
.compact-facts, .fact-grid { display: grid; margin: 0; }
.compact-facts { grid-template-columns: repeat(3, 1fr); gap: 8px; }
.compact-facts div, .fact-grid div {
  padding: 10px;
  border-radius: 8px;
  background: #f6f8f5;
}
dt, .mini-label { color: var(--muted); font-size: 11px; }
dd { margin: 4px 0 0; overflow-wrap: anywhere; }
.participant-list { display: flex; flex-wrap: wrap; gap: 6px; }
.participant-list li { border-radius: 99px; background: #edf1ef; padding: 5px 8px; font-size: 12px; }

.message-list { display: grid; gap: 8px; margin-top: 12px; }
.message {
  padding: 11px 12px;
  border: 1px solid #e4e9e6;
  border-radius: 9px;
  background: #fbfcfb;
}
.message-meta { display: flex; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 11px; }
.message-meta span:first-child { color: var(--ink); font-weight: 700; }
.type { border-radius: 4px; background: #e8eeeb; padding: 1px 5px; }
.message p { margin: 9px 0 0; line-height: 1.65; }
.candidate-confirmation {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid #cbded6;
  border-radius: 9px;
  background: #f2f8f5;
}
.candidate-confirmation p { margin-bottom: 8px; }
.candidate-confirmation form { margin: 0; }
.method {
  margin-left: 6px;
  color: var(--brand);
  font-size: 11px;
}
.manual-owner-form {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  gap: 8px;
  align-items: end;
}
pre {
  margin: 8px 0 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font: 12px/1.5 ui-monospace, Consolas, monospace;
}

.filter-bar {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr) auto;
  gap: 10px;
  margin-bottom: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 15px; border-bottom: 1px solid #e8ece9; text-align: left; white-space: nowrap; }
th { color: var(--muted); background: #f8f9f7; font-size: 12px; }
.customer-link { font-weight: 700; }

.detail-grid { display: grid; grid-template-columns: minmax(0, 1.8fr) minmax(300px, .8fr); gap: 18px; align-items: start; }
.detail-main, .detail-side { display: grid; gap: 18px; }
.panel { padding: 20px; }
.read-only { border-radius: 5px; background: #ecefed; color: var(--muted); padding: 4px 7px; font-size: 11px; }
.fact-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
.inline-edit-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 16px; }
.inline-edit-grid form { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: end; }
.inline-edit-grid label { grid-column: 1; }
.inline-edit-grid button { grid-column: 2; }
.owner-management {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 8px;
  align-items: end;
  margin-top: 16px;
  padding: 12px;
  border: 1px solid #cbded6;
  border-radius: 9px;
  background: #f2f8f5;
}
.conversation + .conversation { margin-top: 8px; }
.source-key { color: var(--muted); font-family: ui-monospace, Consolas, monospace; font-size: 11px; }
.follow-up-current { border-left: 3px solid var(--brand); padding: 8px 12px; background: #f0f6f3; }
.follow-up-current p { margin: 5px 0 0; }
.button-row, .inline-form, .tag-list, .tag { display: flex; align-items: center; gap: 7px; }
.button-row { margin: 10px 0 18px; }
.tag-list { flex-wrap: wrap; margin-bottom: 12px; }
.tag { border-radius: 99px; background: var(--soft); color: var(--brand-dark); padding: 5px 9px; }
.tag form { display: inline; }
.tag button { border: 0; background: transparent; padding: 0 2px; color: inherit; }
.note-list { margin-top: 14px; }
.note-list li { padding: 10px 0; border-top: 1px solid #e9ecea; }
.note-list p { margin-bottom: 5px; }
.note-list span { color: var(--muted); font-size: 11px; }
.timeline { margin: 0; padding-left: 19px; }
.timeline li { padding: 0 0 16px 7px; }
.timeline time, .timeline span { display: block; color: var(--muted); font-size: 11px; }
.timeline strong { display: block; margin-top: 3px; font-size: 12px; }

@media (max-width: 960px) {
  .workbench-grid, .detail-grid { grid-template-columns: 1fr; }
  .task-new { grid-row: auto; }
  .filter-bar { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .topbar { align-items: flex-start; padding-block: 15px; }
  .topbar, .topbar nav, .page-heading { flex-direction: column; }
  .page-heading { align-items: stretch; }
  .filter-bar, .fact-grid, .inline-edit-grid, .compact-facts { grid-template-columns: 1fr; }
  .manual-owner-form, .owner-management { grid-template-columns: 1fr; }
  .candidate summary, .conversation summary { flex-direction: column; }
}