:root {
  --bg: #f4f7f8;
  --panel: #ffffff;
  --ink: #18212a;
  --muted: #6a7784;
  --line: #dde5e9;
  --accent: #116466;
  --accent2: #2b7a78;
  --soft: #e8f1f1;
  --warn: #b46a3a;
  --shadow: 0 8px 24px rgba(23, 42, 48, 0.1);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

button, input, select {
  font: inherit;
}

button {
  cursor: pointer;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.logo {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0;
}

h1, h2, h3, p {
  margin: 0;
}

h1 {
  font-size: 18px;
  letter-spacing: 0;
}

.brand p {
  color: var(--muted);
  margin-top: 2px;
  font-size: 12px;
}

.topstats {
  display: grid;
  grid-template-columns: auto auto;
  gap: 2px 8px;
  text-align: right;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.topstats span:nth-child(odd) {
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
}

.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 71px);
}

.filters {
  padding: 18px 16px;
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

input[type="search"], select {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 10px;
  background: #fff;
  color: var(--ink);
}

input[type="search"]:focus, select:focus {
  outline: 2px solid var(--accent2);
  outline-offset: 1px;
}

.filters label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}

.filter-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
}

.filter-actions button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  padding: 6px 12px;
  color: var(--ink);
}

#resultCount {
  color: var(--muted);
  font-size: 12px;
}

.list {
  padding: 18px 24px;
  min-width: 0;
}

.model-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  font-size: 13px;
}

.model-table th, .model-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.model-table th {
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
  background: #f9fbfc;
}

.model-table tbody tr {
  cursor: pointer;
}

.model-table tbody tr:hover {
  background: var(--soft);
}

.model-table tr:last-child td {
  border-bottom: 0;
}

.model-cell {
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
}

.source {
  color: var(--muted);
  word-break: break-all;
  max-width: 260px;
}

.empty {
  color: var(--muted);
  text-align: center;
  padding: 40px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.hidden {
  display: none !important;
}

.drawer {
  position: fixed;
  inset: 0;
  z-index: 40;
}

.drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16, 25, 31, 0.45);
}

.drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(940px, 100vw);
  height: 100%;
  background: var(--bg);
  box-shadow: var(--shadow);
  overflow-y: auto;
  animation: slideIn 160ms ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(24px);
    opacity: 0.6;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.drawer-head {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.drawer-head h2 {
  font-size: 22px;
  letter-spacing: 0;
}

.drawer-head p {
  color: var(--muted);
  margin-top: 5px;
}

#closeDetail {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
  padding: 18px 22px 0;
}

.meta-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  min-height: 58px;
}

.meta-item .label {
  color: var(--muted);
  font-size: 12px;
}

.meta-item .value {
  font-weight: 600;
  word-break: break-word;
  margin-top: 3px;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 16px;
  padding: 18px 22px 26px;
}

.detail-grid section,
.detail-grid aside {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px;
  min-width: 0;
}

.pin-wrap {
  padding: 0 22px 8px;
}

.pin-box {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
}

.pin-box img {
  display: block;
  max-width: 100%;
  height: auto;
}

.detail-grid h3 {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
  letter-spacing: 0;
}

.spec-scroll {
  max-height: calc(100vh - 240px);
  overflow: auto;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.spec-table th, .spec-table td {
  text-align: left;
  padding: 8px 9px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.spec-table th {
  color: var(--muted);
  background: #f9fbfc;
  position: sticky;
  top: 0;
}

.spec-table td:first-child {
  width: 42%;
  word-break: break-word;
}

.related {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.related a {
  display: block;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  text-decoration: none;
  background: #fff;
  word-break: break-word;
}

.related a:hover {
  background: var(--soft);
  border-color: var(--accent2);
}

.related a small {
  display: block;
  color: var(--muted);
  margin-top: 2px;
}

@media (max-width: 820px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .filters {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  input[type="search"] {
    grid-column: 1 / -1;
  }

  .filter-actions {
    grid-column: 1 / -1;
  }

  .topbar {
    align-items: flex-start;
    padding: 12px 14px;
  }

  .list {
    padding: 14px;
    overflow-x: auto;
  }

  .model-table {
    min-width: 720px;
  }

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

  .meta-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 14px 14px 0;
  }

  .drawer-head,
  .detail-grid {
    padding-left: 14px;
    padding-right: 14px;
  }
}