:root {
  color-scheme: light;
  --page: #f2f4f0;
  --surface: #ffffff;
  --surface-soft: #f8f9f6;
  --ink: #1f2723;
  --muted: #66706a;
  --line: #d7ded6;
  --accent: #8e2f3c;
  --accent-2: #226b61;
  --accent-3: #a5792e;
  --shadow: 0 12px 30px rgba(32, 39, 35, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--page);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;
  line-height: 1.65;
}

button,
input {
  font: inherit;
}

.page-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
}

.topbar {
  display: grid;
  grid-template-columns: 1fr;
  align-items: end;
  padding: 38px 44px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.kicker,
.eyebrow {
  margin: 0 0 6px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: 44px;
  line-height: 1.12;
  font-weight: 800;
}

.subtitle {
  max-width: 720px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.workspace {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 28px;
  padding: 28px 44px 48px;
}

.sidebar {
  position: sticky;
  top: 18px;
  align-self: start;
  max-height: calc(100vh - 36px);
  overflow-y: auto;
  padding-right: 2px;
}

.control-panel,
.filter-panel,
.content-head,
.record {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
}

.control-panel,
.filter-panel {
  padding: 16px;
  box-shadow: var(--shadow);
}

.filter-panel {
  margin-top: 14px;
}

.filter-panel h2 {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
}

.search-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.search-input {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

.search-input:focus {
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(34, 107, 97, 0.13);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.stat {
  min-width: 0;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
}

.stat strong {
  display: block;
  font-size: 20px;
  line-height: 1.1;
}

.stat span {
  display: block;
  overflow-wrap: anywhere;
  color: var(--muted);
  font-size: 12px;
}

.button-list {
  display: grid;
  gap: 6px;
}

.filter-button,
.small-button {
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.filter-button {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 38px;
  padding: 8px 10px;
  text-align: left;
}

.filter-button:hover,
.filter-button.active {
  border-color: rgba(142, 47, 60, 0.28);
  background: #fbf2f3;
  color: var(--accent);
}

.button-text {
  min-width: 0;
  overflow-wrap: anywhere;
}

.button-count {
  flex: 0 0 auto;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.content-area {
  min-width: 0;
}

.content-head {
  position: sticky;
  top: 18px;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  box-shadow: var(--shadow);
}

.content-head h2 {
  margin: 0;
  font-size: 22px;
}

.small-button {
  min-height: 36px;
  padding: 7px 12px;
  border-color: var(--line);
  background: #fff;
}

.small-button:hover {
  border-color: var(--accent-2);
  color: var(--accent-2);
}

.record-list {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.record {
  padding: 22px;
}

.record-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}

.record h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.35;
}

.record-id {
  flex: 0 0 auto;
  color: var(--accent);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 13px;
}

.record-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  min-height: 26px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--surface-soft);
  font-size: 12px;
}

.quote {
  margin: 16px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--accent-3);
  color: #28302b;
  font-size: 15px;
}

.empty {
  padding: 28px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
}

mark {
  background: #f1d67d;
  color: var(--ink);
  padding: 0 2px;
}

@media (max-width: 960px) {
  .topbar,
  .workspace {
    grid-template-columns: 1fr;
  }

  .topbar {
    padding: 28px 24px;
  }

  .sidebar,
  .content-head {
    position: static;
  }

  .sidebar {
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }
}

@media (max-width: 620px) {
  h1 {
    font-size: 34px;
  }

  .topbar {
    padding: 22px 16px;
  }

  .workspace {
    padding: 18px 12px 32px;
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .content-head,
  .record-header {
    align-items: stretch;
    flex-direction: column;
  }

  .record {
    padding: 16px;
  }

  .small-button {
    width: 100%;
  }
}