@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,600;8..60,700&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:        #131A2B;
  --indigo:     #1F3B57;
  --indigo-dk:  #0F2A3F;
  --bg:         #EEF0EA;
  --paper:      #FFFFFF;
  --line:       #D9DCD2;
  --gold:       #B8862B;
  --gold-dk:    #8F6A20;
  --teal:       #2C6E6B;
  --muted:      #5B6472;

  --serif: 'Source Serif 4', Georgia, serif;
  --sans:  'IBM Plex Sans', -apple-system, Segoe UI, sans-serif;
  --mono:  'IBM Plex Mono', 'Courier New', monospace;

  --radius: 3px;
  --maxw: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
}
img{ max-width:100%; display:block; }
a{ color: var(--teal); text-decoration: none; }
a:hover{ text-decoration: underline; }
h1,h2,h3,h4{ font-family: var(--serif); color: var(--ink); line-height: 1.2; margin: 0 0 .5em; font-weight:700;}
.container{ max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.mono{ font-family: var(--mono); }
button, input, select, textarea{ font-family: var(--sans); font-size: 1rem; }

:focus-visible{
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- Top strip ---------- */
.top-strip{
  background: var(--ink);
  color: #C9CFDA;
  font-size: .8rem;
  padding: 6px 0;
  letter-spacing: .02em;
}
.top-strip .container{ display:flex; justify-content: space-between; align-items:center; flex-wrap: wrap; gap: 6px;}
.top-strip a{ color:#C9CFDA; }
.top-strip .badges span{ margin-left: 14px; font-family: var(--mono); font-size: .75rem; color:#9AA4B5; }

/* ---------- Header / nav ---------- */
header.site-header{
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  position: sticky; top:0; z-index: 50;
}
.brand-row{
  display:flex; align-items:center; justify-content: space-between;
  padding: 18px 0 14px;
}
.brand{ display:flex; align-items:center; gap:14px; }
.brand-logo{ height: 56px; width:auto; display:block; }
.brand .full{ font-size: .82rem; color: var(--muted); max-width: 340px; display:block; line-height:1.35; }
nav.mainnav{ border-top: 1px solid var(--line); }
nav.mainnav ul{
  display:flex; flex-wrap: wrap; gap: 2px; list-style:none; margin:0; padding:0;
}
nav.mainnav a{
  display:block; padding: 12px 16px; color: var(--ink); font-weight: 500; font-size: .93rem;
  border-bottom: 3px solid transparent;
}
nav.mainnav a:hover, nav.mainnav a.active{
  color: var(--indigo); border-bottom-color: var(--gold); text-decoration: none;
}
.nav-toggle{ display:none; }

/* ---------- Hero ---------- */
.hero{
  background: var(--indigo);
  color: #E8ECF2;
  padding: 56px 0 64px;
  position: relative;
  overflow: hidden;
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events:none;
}
.hero .container{ position:relative; display:grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items:center; }
.hero h1{ color:#fff; font-size: 2.5rem; max-width: 560px; }
.hero p.lead{ color:#C9D2E0; font-size: 1.05rem; max-width: 520px; }
.hero .cta-row{ display:flex; gap:12px; margin-top: 22px; flex-wrap:wrap; }

.btn{
  display:inline-block; padding: 11px 20px; border-radius: var(--radius);
  font-weight:600; font-size:.92rem; border: 2px solid transparent; cursor:pointer;
}
.btn-gold{ background: var(--gold); color:#1B1204; }
.btn-gold:hover{ background: var(--gold-dk); text-decoration:none; }
.btn-outline{ border-color:#C9D2E0; color:#fff; }
.btn-outline:hover{ background: rgba(255,255,255,.08); text-decoration:none; }
.btn-teal{ background: var(--teal); color:#fff; }
.btn-teal:hover{ background:#215250; text-decoration:none; }

/* ---------- Issue spine card (signature element) ---------- */
.issue-card{
  background: var(--paper); color: var(--ink);
  border-radius: var(--radius); overflow:hidden;
  box-shadow: 0 18px 40px rgba(10,20,40,.28);
  display:flex;
}
.issue-card .spine{
  width: 64px; background: var(--gold);
  color:#1B1204; display:flex; flex-direction:column; align-items:center; justify-content:space-between;
  padding: 16px 0; font-family: var(--mono); font-size:.72rem; text-align:center;
}
.issue-card .spine .vol{ writing-mode: vertical-rl; font-weight:600; letter-spacing:.05em; }
.issue-card .body{ padding: 20px 22px; flex:1; }
.issue-card .body .eyebrow{ font-family: var(--mono); font-size:.72rem; color: var(--teal); text-transform:uppercase; letter-spacing:.06em; }
.issue-card .body h3{ margin: 6px 0 10px; font-size:1.15rem; }
.issue-card .toc{ list-style:none; margin:0; padding:0; font-size:.88rem; }
.issue-card .toc li{ padding: 6px 0; border-top: 1px solid var(--line); display:flex; gap:8px;}
.issue-card .toc li:first-child{ border-top:none; }
.issue-card .toc .num{ font-family: var(--mono); color: var(--muted); flex-shrink:0; }

/* ---------- Sections ---------- */
section{ padding: 56px 0; }
.section-head{ display:flex; align-items:baseline; justify-content:space-between; margin-bottom: 28px; flex-wrap:wrap; gap:10px;}
.section-head .eyebrow{ font-family: var(--mono); font-size:.75rem; color: var(--teal); text-transform:uppercase; letter-spacing:.08em; display:block; margin-bottom:6px;}
.divider{ border:none; border-top:1px solid var(--line); margin: 0; }

.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 28px; }

.card{
  background: var(--paper); border:1px solid var(--line); border-radius: var(--radius);
  padding: 22px;
}
.card h4{ font-size:1.05rem; }
.card .meta{ font-family: var(--mono); font-size:.78rem; color: var(--muted); }

/* ---------- Article list ---------- */
.article-list{ list-style:none; margin:0; padding:0; }
.article-row{
  display:flex; gap:18px; padding: 20px 0; border-top:1px solid var(--line);
  align-items:flex-start;
}
.article-row:first-child{ border-top:none; }
.article-row .idx{
  font-family: var(--mono); color: var(--gold-dk); font-weight:600; font-size:1.1rem; min-width: 38px;
}
.article-row h4{ margin: 0 0 4px; font-size: 1.05rem; }
.article-row .authors{ color: var(--muted); font-size:.92rem; margin-bottom:6px; }
.article-row .abstract{ font-size: .93rem; color:#333c4a; }
.article-row .row-meta{ margin-top:8px; font-family: var(--mono); font-size:.76rem; color: var(--muted); display:flex; gap:16px; flex-wrap:wrap; }
.article-row .actions{ margin-top: 10px; }

/* ---------- Archive timeline ---------- */
.timeline{ list-style:none; margin:0; padding:0; }
.timeline li{
  display:flex; align-items:center; gap: 18px;
  padding: 16px 0; border-top: 1px solid var(--line);
}
.timeline li:first-child{ border-top:none; }
.timeline .dot{
  width: 10px; height:10px; border-radius:50%; background: var(--gold); flex-shrink:0;
}
.timeline .when{ font-family: var(--mono); min-width: 160px; color: var(--indigo); font-weight:600; }
.timeline .count{ color: var(--muted); font-size:.9rem; }
.timeline a.view{ margin-left:auto; }

/* ---------- Forms ---------- */
.form-card{ background: var(--paper); border:1px solid var(--line); border-radius: var(--radius); padding: 28px; }
label{ display:block; font-weight:600; font-size:.88rem; margin: 16px 0 6px; }
label:first-child{ margin-top:0; }
input[type=text], input[type=email], input[type=number], input[type=password], select, textarea{
  width:100%; padding: 10px 12px; border:1px solid #C6CAD2; border-radius: var(--radius); background:#fff;
}
textarea{ min-height: 120px; resize: vertical; }
.field-hint{ font-size:.8rem; color: var(--muted); margin-top:4px; }
.field-row-2{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }

.alert{ padding: 12px 16px; border-radius: var(--radius); margin-bottom:18px; font-size:.92rem; }
.alert-error{ background:#FBE8E6; color:#8A2A20; border:1px solid #E9B8B2; }
.alert-success{ background:#E7F0E4; color:#2E5A22; border:1px solid #BFDCB4; }

/* ---------- Footer ---------- */
footer.site-footer{ background: var(--ink); color:#B9C1CE; padding: 44px 0 24px; margin-top: 40px; }
footer.site-footer h5{ color:#fff; font-family: var(--sans); font-size:.85rem; text-transform:uppercase; letter-spacing:.06em; margin-bottom:12px;}
footer.site-footer .grid-3{ margin-bottom: 30px; }
footer.site-footer a{ color:#B9C1CE; }
footer.site-footer ul{ list-style:none; margin:0; padding:0; }
footer.site-footer li{ margin-bottom:8px; font-size:.9rem; }
.footer-bottom{ border-top:1px solid #2A3244; padding-top: 18px; font-size:.8rem; display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; color:#7E8798;}

/* ---------- Admin ---------- */
.admin-shell{ display:flex; min-height:100vh; }
.admin-sidebar{ width: 220px; background: var(--ink); color:#C9CFDA; flex-shrink:0; padding: 24px 0;}
.admin-sidebar .brand{ padding: 0 20px 20px; color:#fff; font-family: var(--mono); font-size:1.1rem; border-bottom:1px solid #2A3244; margin-bottom: 10px;}
.admin-sidebar a{ display:block; padding: 10px 20px; color:#C9CFDA; }
.admin-sidebar a:hover, .admin-sidebar a.active{ background:#1D2740; color:#fff; text-decoration:none; }
.admin-main{ flex:1; padding: 32px; background: var(--bg); }
.admin-topbar{ display:flex; justify-content:space-between; align-items:center; margin-bottom:24px; }
table.admin-table{ width:100%; border-collapse:collapse; background:#fff; border:1px solid var(--line);}
table.admin-table th, table.admin-table td{ padding:10px 14px; border-bottom:1px solid var(--line); text-align:left; font-size:.9rem; }
table.admin-table th{ background:#F5F6F3; font-family: var(--mono); font-size:.75rem; text-transform:uppercase; color:var(--muted); }
.login-shell{ min-height:100vh; display:flex; align-items:center; justify-content:center; background: var(--indigo); }
.login-box{ background:#fff; padding: 36px; border-radius: var(--radius); width: 360px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .hero .container{ grid-template-columns: 1fr; }
  .grid-3, .grid-2{ grid-template-columns: 1fr; }
  .field-row-2{ grid-template-columns: 1fr; }
  nav.mainnav ul{ flex-direction:column; }
  .admin-shell{ flex-direction:column; }
  .admin-sidebar{ width:100%; }
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
}