:root {
  --bg: #f4f6f5;
  --ink: #17211c;
  --muted: #64706a;
  --line: #d9e0dc;
  --panel: #ffffff;
  --brand: #096b5a;
  --brand-2: #b45b2b;
  --soft: #edf5f2;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 18px 28px;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

h1, h2, h3, p { margin-top: 0; }
h1 { font-size: 24px; margin-bottom: 4px; letter-spacing: 0; }
.topbar p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
.status { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; flex-wrap: wrap; justify-content: flex-end; }
button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 14px;
}
button:hover { border-color: var(--brand); color: var(--brand); }
.primary, #updateBtn { background: var(--brand); color: #fff; border-color: var(--brand); }
.primary:hover, #updateBtn:hover { color: #fff; background: #075747; }

.layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 20px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px;
}

.sidebar { display: flex; flex-direction: column; gap: 14px; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}
.panel h2 { font-size: 15px; margin-bottom: 12px; }
label {
  display: block;
  margin: 10px 0 6px;
  color: var(--muted);
  font-size: 12px;
}
input, select {
  width: 100%;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  background: #fff;
  color: var(--ink);
}
.date-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.check { display: flex; align-items: center; gap: 8px; }
.check input { width: auto; height: auto; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; max-height: 260px; overflow: auto; }
.chips.compact { max-height: 220px; }
.chip {
  padding: 6px 9px;
  font-size: 12px;
  background: var(--soft);
  border-color: #cfe0d9;
  color: #24554a;
}

.content { min-width: 0; }
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  overflow-x: auto;
}
.tab.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.notice {
  min-height: 22px;
  margin-bottom: 10px;
  color: var(--brand-2);
  font-size: 13px;
}
.feed { display: grid; gap: 12px; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  cursor: pointer;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.card:hover {
  border-color: #8bb5aa;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(20, 45, 38, .08);
}
.card h2 {
  font-size: 19px;
  line-height: 1.38;
  margin: 8px 0 8px;
}
.card p {
  color: #3f4c46;
  line-height: 1.65;
  margin-bottom: 12px;
}
.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}
.card-meta span {
  background: #f5f7f6;
  border: 1px solid #e7ece9;
  border-radius: 999px;
  padding: 3px 8px;
}
.dup { color: var(--brand-2) !important; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  background: #f0f3f2;
  color: #43504a;
  font-size: 12px;
}
.empty {
  background: var(--panel);
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 40px;
  text-align: center;
  color: var(--muted);
}

.detail {
  position: fixed;
  inset: 0;
  background: rgba(10, 17, 14, .42);
  z-index: 10;
  padding: 24px;
  overflow: auto;
}
.detail.hidden { display: none; }
.detail-card {
  max-width: 980px;
  margin: 0 auto;
  background: #fff;
  border-radius: 8px;
  padding: 28px;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(0,0,0,.18);
}
.close { float: right; }
.detail h1 { font-size: 28px; line-height: 1.35; margin: 12px 0; }
.detail h3 { font-size: 15px; margin: 24px 0 8px; }
.detail-meta { color: var(--muted); font-size: 13px; }
.source-link { color: var(--brand); font-weight: 600; }
.body-text { white-space: pre-wrap; line-height: 1.8; color: #29352f; }

@media (max-width: 900px) {
  .topbar { align-items: flex-start; flex-direction: column; }
  .layout { grid-template-columns: 1fr; padding: 14px; }
  .sidebar { order: 2; }
  .content { order: 1; }
  .detail { padding: 10px; }
  .detail-card { padding: 18px; }
}