:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #142033;
  --muted: #64748b;
  --line: #dbe3ef;
  --accent: #0f4c81;
  --accent-2: #12395d;
  --soft: #eef5fb;
  --danger: #9b1c1c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  max-width: 1240px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  gap: 18px;
  align-items: center;
}

.brand-mark {
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--accent);
}

.brand-text {
  color: var(--muted);
}

.page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 28px 24px 64px;
}

.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  margin: 0 0 8px;
  letter-spacing: -0.04em;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  max-width: 760px;
}

.stats {
  min-width: 260px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  color: var(--muted);
  line-height: 1.5;
}

.search-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 12px 30px rgba(15, 76, 129, .06);
}

.search-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}

input, select, button {
  font: inherit;
}

input[type="search"], select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  color: var(--text);
  padding: 13px 14px;
  outline: none;
}

input[type="search"]:focus, select:focus {
  border-color: var(--accent);
}

button {
  border: 0;
  border-radius: 14px;
  background: var(--accent);
  color: #fff;
  padding: 13px 18px;
  cursor: pointer;
  font-weight: 700;
}

button:hover { background: var(--accent-2); }
button:disabled { opacity: .45; cursor: not-allowed; }

.secondary-btn {
  height: 46px;
  background: #eef5fb;
  color: var(--accent);
  border: 1px solid var(--line);
  white-space: nowrap;
}

.secondary-btn:hover {
  background: #dfeefa;
}

.filters {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 180px 190px minmax(260px, 1fr) repeat(4, auto) auto;
  gap: 12px;
  align-items: end;
}

.filters label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.filters .check {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 46px;
  color: var(--text);
  white-space: nowrap;
}

.result-head {
  margin: 22px 0 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
}

.pager {
  display: flex;
  gap: 10px;
  align-items: center;
}

.pager button {
  padding: 8px 13px;
}

.results {
  display: grid;
  gap: 12px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}

.card-title {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.25;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--accent-2);
  padding: 5px 9px;
  font-size: 13px;
  white-space: nowrap;
}

.badge.empty {
  background: #f8eeee;
  color: var(--danger);
}

.card-foot {
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.link-btn {
  background: transparent;
  color: var(--accent);
  padding: 0;
  border-radius: 0;
  font-weight: 700;
}

.link-btn:hover {
  background: transparent;
  color: var(--accent-2);
  text-decoration: underline;
}

.card-note {
  color: var(--muted);
  font-size: 14px;
}

.modal[hidden] { display: none; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 20, 35, .55);
}

.modal-card {
  position: relative;
  width: min(960px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  overflow: auto;
  margin: 16px auto;
  background: var(--panel);
  border-radius: 22px;
  padding: 24px;
}

.modal-close {
  position: sticky;
  top: 0;
  float: right;
  padding: 8px 12px;
}

.detail-title {
  margin-top: 0;
  font-size: 28px;
  line-height: 1.2;
}

.detail-section {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 16px;
}

.detail-section h3 {
  margin: 0 0 10px;
}

.spec {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  margin: 8px 0;
}

.spec-title {
  font-weight: 700;
}

.spec a {
  color: var(--accent);
}

.empty-state {
  padding: 34px;
  text-align: center;
  color: var(--muted);
  background: var(--panel);
  border: 1px dashed var(--line);
  border-radius: 18px;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .page, .brand { padding-left: 16px; padding-right: 16px; }
  .search-row { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr; }
  .result-head { align-items: flex-start; gap: 10px; flex-direction: column; }
  .card-foot { align-items: flex-start; flex-direction: column; }
}

/* SEO-4Q: readable journal detail link */
.card-foot-right {
  justify-content: flex-end;
}

a.link-btn,
a.link-btn:visited {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
  background: transparent;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 700;
}

a.link-btn:hover,
a.link-btn:focus-visible {
  color: var(--accent-2);
  background: #edf6ff;
  text-decoration: none;
}

/* SEO-7H: info links and bottom pagination */
.info-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 22px;
}

.info-links a {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.info-links a:hover,
.info-links a:focus-visible {
  background: #edf6ff;
  color: var(--accent-2);
  text-decoration: none;
}

.pagination-bottom {
  justify-content: flex-end;
  margin: 18px 0 4px;
}

@media (max-width: 620px) {
  .info-links {
    flex-direction: column;
  }

  .info-links a {
    justify-content: center;
  }

  .pagination-bottom {
    justify-content: center;
  }
}

/* SEO-7L: force bottom pagination to the right like top pagination */
.pagination.pagination-bottom {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: 100%;
  gap: 10px;
  margin: 18px 0 4px auto;
}

@media (max-width: 620px) {
  .pagination.pagination-bottom {
    justify-content: flex-end;
  }
}