/* Personal Research Repository — OJS/ThaiJo-inspired theme */
:root {
  --primary: #00549e;
  --primary-dark: #003b70;
  --accent: #e8f1fa;
  --text: #222;
  --muted: #6b7280;
  --border: #d9dee5;
  --bg: #f5f6f8;
  --danger: #b00020;
  --ok: #0a7a2f;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Sarabun', 'Segoe UI', Tahoma, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.break-all { word-break: break-all; }
.inline { display: inline; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-weight: normal; margin: 6px 0 12px; }
.checkbox-label input[type="checkbox"] { width: auto; margin: 0; }

/* Header */
.site-header { background: #fff; border-bottom: 3px solid var(--primary); }
.header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; padding: 10px 16px; gap: 10px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand:hover { text-decoration: none; }
.brand-mark {
  background: var(--primary); color: #fff; font-weight: 700;
  width: 42px; height: 42px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 1.05rem;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { color: var(--primary-dark); }
.brand-text small { color: var(--muted); }
.main-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 14px; font-weight: 500; }
.main-nav a { padding: 4px 2px; }
.lang-switch { margin-left: 10px; color: var(--muted); }
.lang-switch a.active { font-weight: 700; text-decoration: underline; }

/* Banner */
.banner { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; padding: 26px 0; }
.banner h1 { margin: 0; font-size: 1.45rem; font-weight: 600; }
.banner .affiliation { margin: 4px 0 0; opacity: .9; }

/* Breadcrumb */
.breadcrumb { padding: 10px 16px; font-size: .9rem; color: var(--muted); }
.breadcrumb .sep { margin: 0 6px; }
.breadcrumb .current { color: var(--text); }

main.container { padding: 20px 16px 40px; }

/* Two-column home */
.layout-two-col { display: grid; grid-template-columns: 1fr 300px; gap: 24px; }
.section-title { border-bottom: 2px solid var(--primary); padding-bottom: 6px; color: var(--primary-dark); font-size: 1.2rem; }
.year-heading { color: var(--primary-dark); border-left: 4px solid var(--primary); padding-left: 10px; }

/* Work list */
.work-list { list-style: none; margin: 0; padding: 0; }
.work-item { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; margin-bottom: 10px; }
.work-title { font-weight: 600; font-size: 1.02rem; }
.work-meta { font-size: .87rem; color: var(--muted); margin-top: 4px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.badge { background: var(--accent); color: var(--primary-dark); border-radius: 20px; padding: 1px 10px; font-size: .78rem; font-weight: 600; }
.badge-published { background: #e2f5e8; color: var(--ok); }
.badge-draft { background: #fdf3d7; color: #8a6d1a; }
.badge-private { background: #fbe4e6; color: var(--danger); }

/* Info box / sidebar */
.info-box { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.info-box h3 { margin-top: 0; color: var(--primary-dark); font-size: 1rem; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.stat-total { font-size: 1.05rem; }
.stat-total strong { font-size: 1.6rem; color: var(--primary); }
.stat-list { list-style: none; padding: 0; margin: 0; }
.stat-list li { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px dashed var(--border); }
.stat-n { font-weight: 700; color: var(--primary); }

/* Search / filter */
.search-bar { display: flex; gap: 8px; margin-bottom: 20px; }
.search-bar input { flex: 1; }
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }

/* Buttons */
.btn {
  display: inline-block; background: #fff; border: 1px solid var(--border);
  padding: 8px 16px; border-radius: 6px; cursor: pointer; font-family: inherit; font-size: .92rem;
  color: var(--text);
}
.btn:hover { background: var(--accent); text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { color: var(--danger); border-color: #eec4ca; }
.btn-danger:hover { background: #fbe4e6; }
.btn-pdf { background: var(--danger); color: #fff; border-color: var(--danger); width: 100%; text-align: center; font-weight: 600; }
.btn-pdf:hover { background: #8d0019; }
.btn-sm { padding: 5px 12px; font-size: .85rem; }
.btn-xs { padding: 2px 9px; font-size: .78rem; }

/* Forms */
.form-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 24px; }
.form-card.narrow { max-width: 480px; margin: 0 auto; }
label { display: block; font-weight: 600; margin: 12px 0 4px; }
input, select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  font-family: inherit; font-size: .95rem; background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); border-color: var(--primary); }
input[type=file] { border: 1px dashed var(--border); }
fieldset { border: 1px solid var(--border); border-radius: 8px; margin: 0 0 18px; padding: 12px 16px 16px; }
legend { font-weight: 700; color: var(--primary-dark); padding: 0 6px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.form-actions { display: flex; gap: 10px; margin-top: 10px; }
.author-row { display: grid; grid-template-columns: 1.3fr 1.3fr 1fr auto; gap: 8px; margin-bottom: 8px; align-items: center; }

/* Alerts */
.alert { border-radius: 6px; padding: 10px 14px; margin-bottom: 14px; }
.alert ul { margin: 0; padding-left: 18px; }
.alert-error { background: #fbe4e6; color: var(--danger); border: 1px solid #eec4ca; }
.alert-ok { background: #e2f5e8; color: var(--ok); border: 1px solid #bfe5cb; }
.alert-warn { background: #fdf3d7; color: #8a6d1a; border: 1px solid #eeddad; }

.form-links { margin-top: 14px; font-size: .92rem; text-align: center; }

/* Data table */
.data-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.data-table th { background: var(--accent); color: var(--primary-dark); text-align: left; padding: 10px 12px; }
.data-table td { padding: 10px 12px; border-top: 1px solid var(--border); vertical-align: top; }
.data-table .actions { white-space: nowrap; }
.page-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }

/* Work detail — 3 columns */
.work-detail { display: grid; grid-template-columns: 220px 1fr 280px; gap: 24px; }
.wd-cover { width: 100%; border: 1px solid var(--border); border-radius: 6px; margin-bottom: 12px; }
.wd-date { font-size: .92rem; }
.wd-title { margin: 0 0 6px; color: var(--primary-dark); font-size: 1.35rem; line-height: 1.4; }
.wd-title-en { margin: 0 0 16px; font-weight: 500; color: var(--muted); font-size: 1.08rem; }
.wd-authors ul { list-style: none; padding: 0; }
.wd-authors li { padding: 3px 0; }
.orcid-link { font-size: .85rem; white-space: nowrap; }
.orcid-link img { vertical-align: -3px; }
.wd-abstract { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; text-align: justify; }
.keyword-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 2px 12px; font-size: .82rem; }
.tag:hover { background: var(--accent); text-decoration: none; }

.info-list { margin: 0 0 14px; }
.info-list dt { font-weight: 700; font-size: .82rem; color: var(--muted); text-transform: uppercase; letter-spacing: .3px; margin-top: 10px; }
.info-list dd { margin: 0; }

.citation-box { background: var(--accent); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; margin-top: 20px; }
.citation-box h4 { margin-top: 0; }
.citation-box p { font-size: .92rem; }

.orcid-box .orcid-row { border-bottom: 1px dashed var(--border); padding: 8px 0; }
.orcid-box .orcid-row label { margin: 0 0 2px; font-size: .78rem; color: var(--muted); text-transform: uppercase; }
.orcid-box .orcid-row span { display: block; font-size: .9rem; margin-bottom: 4px; }

/* Footer */
.site-footer { background: var(--primary-dark); color: #cfe0f2; padding: 18px 0; margin-top: 30px; }
.site-footer a { color: #fff; }

/* Copy feedback */
.copy-btn.copied { background: var(--ok); color: #fff; border-color: var(--ok); }

/* Responsive */
@media (max-width: 900px) {
  .work-detail { grid-template-columns: 200px 1fr; }
  .wd-side { grid-column: 1 / -1; }
  .layout-two-col { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .work-detail { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .author-row { grid-template-columns: 1fr; }
  .banner h1 { font-size: 1.15rem; }
  .data-table { display: block; overflow-x: auto; }
}