/* ===== MSW Management Journal - Main Stylesheet ===== */
/* Fonts: Playfair Display (headings), Source Serif 4 (body), JetBrains Mono (code) */

:root {
  --green-dark:   #1B5E20;
  --green:        #2E7D32;
  --green-mid:    #388E3C;
  --green-light:  #4CAF50;
  --green-pale:   #E8F5E9;
  --green-accent: #00C853;
  --teal:         #00695C;
  --teal-light:   #E0F2F1;
  --gold:         #F57F17;
  --gold-light:   #FFF8E1;
  --red:          #C62828;
  --navy:         #0D3B66;
  --gray-900:     #111827;
  --gray-800:     #1F2937;
  --gray-700:     #374151;
  --gray-600:     #4B5563;
  --gray-500:     #6B7280;
  --gray-400:     #9CA3AF;
  --gray-300:     #D1D5DB;
  --gray-200:     #E5E7EB;
  --gray-100:     #F3F4F6;
  --gray-50:      #F9FAFB;
  --white:        #FFFFFF;
  --text:         #1F2937;
  --text-light:   #4B5563;
  --border:       #E5E7EB;
  --radius:       8px;
  --radius-lg:    12px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow:       0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.05);
  --shadow-md:    0 10px 25px rgba(0,0,0,.1);
  --shadow-lg:    0 20px 40px rgba(0,0,0,.12);
  --transition:   0.2s ease;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'Source Serif 4', 'Georgia', serif;
  --font-mono:    'JetBrains Mono', monospace;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green-dark); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* === Topbar === */
.topbar {
  background: var(--green-dark);
  color: rgba(255,255,255,.85);
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  padding: 6px 0;
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.topbar-left { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.topbar-left span { display: flex; align-items: center; gap: 6px; }
.topbar-left i { color: var(--green-accent); }
.topbar-right { display: flex; gap: 12px; align-items: center; }
.topbar-right a {
  color: rgba(255,255,255,.85);
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 4px;
  transition: background var(--transition);
}
.topbar-right a:hover { background: rgba(255,255,255,.1); color: #fff; }
.topbar-right .btn-register {
  background: var(--green-accent);
  color: var(--green-dark) !important;
  font-weight: 600;
  padding: 3px 12px;
}
.topbar-right .btn-register:hover { background: #00E676; }

/* === Header === */
.main-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.brand-link { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.journal-icon {
  width: 52px;
  height: 52px;
  position: relative;
  flex-shrink: 0;
}
.icon-rings {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ring {
  position: absolute;
  border-radius: 50%;
  border: 2.5px solid;
}
.r1 { width: 52px; height: 52px; border-color: var(--green-dark); opacity: 0.25; }
.r2 { width: 38px; height: 38px; border-color: var(--green); opacity: 0.5; }
.r3 { width: 24px; height: 24px; border-color: var(--green-light); opacity: 0.8; }
.icon-leaf {
  position: absolute;
  font-size: 20px;
  color: var(--green);
  z-index: 1;
}
.brand-text { display: flex; flex-direction: column; }
.brand-main {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1.2;
}
.brand-sub {
  font-size: 12px;
  color: var(--gray-500);
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.02em;
  margin-top: 2px;
}
.header-search { flex: 0 0 340px; }
.search-form {
  display: flex;
  border: 2px solid var(--border);
  border-radius: 40px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-form:focus-within {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46,125,50,.12);
}
.search-form input {
  flex: 1;
  border: none;
  outline: none;
  padding: 10px 16px;
  font-size: 14px;
  font-family: var(--font-body);
  background: var(--gray-50);
  color: var(--text);
}
.search-form input::placeholder { color: var(--gray-400); }
.search-form button {
  background: var(--green);
  color: #fff;
  border: none;
  padding: 10px 18px;
  cursor: pointer;
  transition: background var(--transition);
  font-size: 15px;
}
.search-form button:hover { background: var(--green-dark); }

/* === Navigation === */
.main-nav {
  background: var(--green-dark);
  position: sticky;
  top: 93px;
  z-index: 99;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  position: relative;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  padding: 14px 0;
}
.nav-links {
  display: flex;
  gap: 0;
  align-items: center;
  flex-wrap: wrap;
}
.nav-links > li { position: relative; }
.nav-links > li > a {
  display: flex;
  align-items: center;
  gap: 5px;
  color: rgba(255,255,255,.9);
  padding: 14px 16px;
  font-family: 'Inter', sans-serif;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.nav-links > li > a:hover,
.nav-links > li > a.active {
  background: rgba(255,255,255,.12);
  color: #fff;
}
.nav-links > li > a.nav-highlight {
  background: var(--gold);
  color: #fff !important;
  border-radius: 4px;
  margin: 8px 8px;
  padding: 6px 14px;
}
.nav-links > li > a.nav-highlight:hover { background: #E65100; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 0 0 var(--radius) var(--radius);
  min-width: 200px;
  box-shadow: var(--shadow-md);
  z-index: 200;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu li a {
  display: block;
  padding: 10px 16px;
  color: var(--text);
  font-size: 13.5px;
  font-family: 'Inter', sans-serif;
  transition: background var(--transition);
}
.dropdown-menu li a:hover { background: var(--green-pale); color: var(--green); }

/* === Flash Messages === */
.flash {
  max-width: 1200px;
  margin: 16px auto 0;
  padding: 12px 24px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  animation: slideDown .3s ease;
}
@keyframes slideDown { from { transform: translateY(-8px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.flash-success { background: #E8F5E9; color: #1B5E20; border: 1px solid #A5D6A7; }
.flash-error   { background: #FFEBEE; color: #B71C1C; border: 1px solid #EF9A9A; }
.main-content { min-height: calc(100vh - 300px); }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(46,125,50,.35); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,.7); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,.1); color: #fff; }
.btn-white { background: #fff; color: var(--green-dark); }
.btn-white:hover { background: var(--green-pale); color: var(--green-dark); }
.btn-accent { background: var(--gold); color: #fff; }
.btn-accent:hover { background: #E65100; color: #fff; }
.btn-ghost { background: transparent; color: var(--green); border-color: var(--green); }
.btn-ghost:hover { background: var(--green); color: #fff; }
.btn-sm { padding: 7px 16px; font-size: 13px; }
.btn-full { width: 100%; justify-content: center; }
.btn-danger { background: var(--red); color: #fff; }

/* === Hero Section === */
.hero {
  background: linear-gradient(135deg, var(--green-dark) 0%, #1a3a1a 40%, var(--teal) 100%);
  padding: 80px 24px 100px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  max-width: 100%;
}
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-circles { position: absolute; inset: 0; }
.hc {
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
}
.hc1 { width: 600px; height: 600px; background: var(--green-accent); right: -100px; top: -200px; }
.hc2 { width: 400px; height: 400px; background: #fff; left: 30%; bottom: -200px; }
.hc3 { width: 200px; height: 200px; background: var(--gold); left: 5%; top: 10%; }
.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 28px;
  position: relative;
  z-index: 2;
  flex: 1;
  padding-right: 40px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  color: var(--green-accent);
  padding: 6px 16px;
  border-radius: 40px;
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 1px solid rgba(0,200,83,.3);
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
}
.hero-title em { color: var(--green-accent); font-style: normal; }
.hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,.82);
  line-height: 1.7;
  max-width: 600px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(0,0,0,.2);
  border-radius: var(--radius-lg);
  padding: 20px 28px;
  gap: 28px;
  border: 1px solid rgba(255,255,255,.1);
  flex-wrap: wrap;
}
.hstat { text-align: center; }
.hstat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--green-accent);
  line-height: 1;
}
.hstat-lbl {
  display: block;
  font-size: 11.5px;
  color: rgba(255,255,255,.7);
  font-family: 'Inter', sans-serif;
  margin-top: 4px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hstat-div { width: 1px; height: 40px; background: rgba(255,255,255,.15); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Current Issue Card */
.current-issue-card {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 280px;
  backdrop-filter: blur(10px);
  align-self: center;
}
.cic-label {
  display: block;
  font-size: 11px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-accent);
  margin-bottom: 12px;
}
.cic-vol {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  font-family: 'Inter', sans-serif;
  margin-bottom: 8px;
}
.cic-title {
  font-family: var(--font-heading);
  font-size: 18px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 20px;
  line-height: 1.4;
}
.cic-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green-accent);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
}
.cic-link:hover { color: #fff; }

/* === Announcement Banner === */
.ann-banner {
  background: var(--gold-light);
  border-bottom: 1px solid #FFE0B2;
  padding: 0;
}
.ann-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 0;
  height: 44px;
  overflow: hidden;
}
.ann-label {
  flex-shrink: 0;
  background: var(--gold);
  color: #fff;
  padding: 4px 14px;
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  margin-right: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: 4px;
}
.ann-ticker {
  flex: 1;
  display: flex;
  gap: 32px;
  animation: tickerScroll 20s linear infinite;
  overflow: hidden;
  white-space: nowrap;
}
@keyframes tickerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.ann-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--gray-700);
  white-space: nowrap;
}
.ann-type {
  font-size: 11px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}
.ann-call_for_papers { background: #E8EAF6; color: #3949AB; }
.ann-event             { background: #E8F5E9; color: #2E7D32; }
.ann-news              { background: #FFF3E0; color: #E65100; }
.ann-general           { background: var(--gray-200); color: var(--gray-700); }
.ann-more {
  flex-shrink: 0;
  margin-left: 16px;
  color: var(--gold);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

/* === Section Header === */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 32px;
}
.section-label {
  display: block;
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 6px;
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
}

/* === Articles Section === */
.section-articles { padding: 70px 0; background: var(--white); }
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.article-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.article-card-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto;
  background: linear-gradient(135deg, var(--green-pale) 0%, #fff 100%);
  border-color: #C8E6C9;
  gap: 16px 24px;
  padding: 32px;
  align-items: start;
}
.article-card-featured .article-card-cat { grid-column: 1; }
.article-card-featured .article-card-title { grid-column: 1 / -1; font-size: 1.35rem; }
.article-card-featured .article-card-abstract { grid-column: 1 / -1; }
.article-card-featured .article-card-meta { grid-column: 1; }
.article-card-featured .article-card-footer { grid-column: 1 / -1; }
.article-card-cat {
  display: inline-flex;
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 40px;
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.article-card-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  flex: 1;
}
.article-card-title a { color: var(--gray-900); }
.article-card-title a:hover { color: var(--green); }
.article-card-abstract {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card-meta {
  font-size: 13px;
  color: var(--gray-600);
  font-family: 'Inter', sans-serif;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.meta-author { font-weight: 600; }
.meta-inst { color: var(--gray-400); font-size: 12px; }
.article-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.article-metrics {
  display: flex;
  gap: 14px;
  font-size: 12.5px;
  color: var(--gray-400);
  font-family: 'Inter', sans-serif;
  align-items: center;
}
.article-metrics i { margin-right: 3px; }
.read-more {
  color: var(--green);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}
.read-more:hover { color: var(--green-dark); }

/* === Two Column Section === */
.section-two-col { padding: 70px 0; background: var(--gray-50); }
.two-col-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.two-col-section {}

/* Category List */
.category-list { display: flex; flex-direction: column; gap: 8px; }
.cat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: box-shadow var(--transition), transform var(--transition);
  color: var(--text);
}
.cat-item:hover { box-shadow: var(--shadow); transform: translateX(4px); color: var(--text); }
.cat-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.cat-name { flex: 1; font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 500; }
.cat-count {
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  background: var(--gray-100);
  color: var(--gray-500);
  padding: 2px 8px;
  border-radius: 40px;
}

/* Most Viewed */
.most-viewed-list { display: flex; flex-direction: column; gap: 16px; }
.mv-item { display: flex; gap: 16px; align-items: flex-start; }
.mv-rank {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--green-pale);
  color: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
}
.mv-content { flex: 1; }
.mv-title {
  display: block;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1.4;
  margin-bottom: 4px;
}
.mv-title:hover { color: var(--green); }
.mv-meta { font-size: 12.5px; color: var(--gray-400); font-family: 'Inter', sans-serif; display: flex; gap: 12px; }

/* === CTA Section === */
.cta-section {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--teal) 100%);
  padding: 70px 24px;
}
.cta-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
}
.cta-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: #fff;
  margin-bottom: 14px;
}
.cta-content p { color: rgba(255,255,255,.8); font-size: 16px; margin-bottom: 20px; line-height: 1.6; }
.cta-features { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-features span {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.9);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
}
.cta-features i { color: var(--green-accent); }
.cta-actions { display: flex; gap: 12px; flex-shrink: 0; flex-wrap: wrap; }

/* === Footer === */
.main-footer { background: var(--gray-900); color: rgba(255,255,255,.75); }
.footer-top { padding: 60px 24px 48px; }
.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
}
.footer-brand {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.footer-col p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.65); margin-bottom: 20px; }
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: background var(--transition), color var(--transition);
}
.social-links a:hover { background: var(--green); color: #fff; }
.footer-col h4 {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--green-accent); }
.contact-list { display: flex; flex-direction: column; gap: 10px; }
.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.65);
}
.contact-list i { color: var(--green-accent); flex-shrink: 0; margin-top: 2px; width: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 24px;
}
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.45);
  font-family: 'Inter', sans-serif;
}
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: var(--green-accent); }

/* === Auth Pages === */
.auth-page { min-height: calc(100vh - 180px); display: flex; align-items: center; padding: 40px 24px; }
.auth-container {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.auth-container-wide { max-width: 1100px; }
.auth-left {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--teal) 100%);
  padding: 60px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 32px;
}
.auth-icon { font-size: 48px; display: block; margin-bottom: 8px; }
.auth-brand h2 {
  font-family: var(--font-heading);
  font-size: 26px;
  color: #fff;
  margin-bottom: 12px;
}
.auth-brand p { font-size: 15px; color: rgba(255,255,255,.75); line-height: 1.6; }
.auth-features { display: flex; flex-direction: column; gap: 14px; }
.af-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.85);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
}
.af-item i { color: var(--green-accent); width: 18px; }
.auth-right { background: var(--white); padding: 60px 40px; }
.auth-box h1 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.auth-sub { font-size: 14px; color: var(--gray-500); margin-bottom: 28px; font-family: 'Inter', sans-serif; }
.auth-alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.auth-alert ul { padding-left: 16px; margin: 0; }
.auth-alert-error { background: #FFEBEE; color: #C62828; border: 1px solid #EF9A9A; }
.auth-alert-success { background: #E8F5E9; color: #1B5E20; border: 1px solid #A5D6A7; }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  color: var(--gray-700);
}
.input-icon { position: relative; }
.input-icon i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  font-size: 14px;
}
.input-icon input,
.input-icon select,
.input-icon textarea {
  width: 100%;
  padding: 11px 14px 11px 36px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14.5px;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.input-icon input:focus,
.input-icon select:focus,
.input-icon textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46,125,50,.1);
}
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--gray-400);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
}
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.demo-accounts { display: flex; flex-direction: column; gap: 8px; }
.demo-acc {
  font-size: 13px;
  color: var(--gray-500);
  font-family: var(--font-mono);
  background: var(--gray-50);
  padding: 8px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.demo-acc span { font-weight: 600; color: var(--gray-700); }
.auth-footer { text-align: center; font-size: 14px; color: var(--gray-500); font-family: 'Inter', sans-serif; margin-top: 20px; }
.auth-footer a { color: var(--green); font-weight: 600; }

/* === Article Detail === */
.article-detail { max-width: 1200px; margin: 0 auto; padding: 48px 24px; display: grid; grid-template-columns: 1fr 320px; gap: 48px; }
.article-main {}
.article-header { margin-bottom: 32px; }
.article-breadcrumb { font-size: 13px; color: var(--gray-400); font-family: 'Inter', sans-serif; margin-bottom: 16px; display: flex; align-items: center; gap: 6px; }
.article-breadcrumb a { color: var(--green); }
.article-title { font-family: var(--font-heading); font-size: clamp(1.6rem,3vw,2.2rem); font-weight: 700; color: var(--gray-900); line-height: 1.3; margin-bottom: 20px; }
.article-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 12px; border-radius: 40px; font-size: 12px; font-family: 'Inter', sans-serif; font-weight: 600; }
.badge-oa  { background: #FFF3E0; color: #E65100; }
.badge-pr  { background: #E8F5E9; color: #2E7D32; }
.badge-doi { background: #E3F2FD; color: #1565C0; }
.article-authors { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.author-chip { display: flex; align-items: center; gap: 8px; }
.author-avatar {
  width: 34px; height: 34px;
  background: var(--green-pale);
  color: var(--green);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-weight: 700; font-size: 14px;
}
.author-chip-info {}
.author-chip-name { display: block; font-size: 14px; font-weight: 600; color: var(--gray-800); font-family: 'Inter', sans-serif; }
.author-chip-inst { display: block; font-size: 12px; color: var(--gray-400); font-family: 'Inter', sans-serif; }
.article-meta-bar {
  display: flex; flex-wrap: wrap; gap: 20px;
  padding: 16px 20px;
  background: var(--gray-50);
  border-radius: var(--radius);
  font-size: 13px; font-family: 'Inter', sans-serif; color: var(--gray-600);
  border: 1px solid var(--border);
}
.article-meta-bar span { display: flex; align-items: center; gap: 6px; }
.article-meta-bar i { color: var(--green); }
.article-section { margin-bottom: 32px; }
.article-section h2 {
  font-family: var(--font-heading); font-size: 1.3rem; font-weight: 700; color: var(--gray-900);
  margin-bottom: 12px; padding-bottom: 8px; border-bottom: 2px solid var(--green-pale);
}
.article-section p { font-size: 16px; line-height: 1.8; color: var(--gray-700); }
.keywords { display: flex; flex-wrap: wrap; gap: 8px; }
.keyword {
  background: var(--green-pale); color: var(--green-dark);
  padding: 4px 12px; border-radius: 40px;
  font-size: 12.5px; font-family: 'Inter', sans-serif; font-weight: 500;
}
.article-sidebar {}
.sidebar-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px; margin-bottom: 20px;
}
.sidebar-card h3 {
  font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--gray-500);
  margin-bottom: 16px;
}
.sidebar-actions { display: flex; flex-direction: column; gap: 10px; }
.sidebar-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.sm-item { text-align: center; padding: 14px; background: var(--gray-50); border-radius: var(--radius); }
.sm-num { display: block; font-family: var(--font-heading); font-size: 22px; font-weight: 700; color: var(--green); }
.sm-lbl { display: block; font-size: 11px; font-family: 'Inter', sans-serif; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.05em; }

/* === Related Articles === */
.related-articles { border-top: 1px solid var(--border); padding-top: 48px; margin-top: 48px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }

/* === Page Content === */
.page-content { max-width: 1200px; margin: 0 auto; padding: 60px 24px; }
.page-hero {
  text-align: center; padding: 60px 24px;
  background: linear-gradient(135deg, var(--green-pale), #fff);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-family: var(--font-heading); font-size: clamp(2rem,4vw,3rem); color: var(--green-dark); margin-bottom: 14px; }
.page-hero p { max-width: 700px; margin: 0 auto; font-size: 17px; color: var(--gray-600); line-height: 1.7; }

/* === Tables (for articles/archives) === */
.content-table { width: 100%; border-collapse: collapse; font-family: 'Inter', sans-serif; font-size: 14px; }
.content-table th { padding: 12px 16px; text-align: left; font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gray-500); background: var(--gray-50); border-bottom: 1px solid var(--border); }
.content-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); color: var(--gray-700); vertical-align: top; }
.content-table tr:hover td { background: var(--gray-50); }
.table-responsive { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); }

/* Status Badges */
.status-badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 40px; font-size: 12px; font-weight: 600; }
.status-published    { background: #E8F5E9; color: #2E7D32; }
.status-under_review { background: #E3F2FD; color: #1565C0; }
.status-submitted    { background: #FFF8E1; color: #F57F17; }
.status-accepted     { background: #F3E5F5; color: #6A1B9A; }
.status-rejected     { background: #FFEBEE; color: #C62828; }
.status-revision     { background: #FBE9E7; color: #BF360C; }

/* === Contact Page === */
.contact-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; max-width: 1200px; margin: 60px auto; padding: 0 24px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-info h2 { font-family: var(--font-heading); font-size: 2rem; color: var(--gray-900); }
.contact-detail { display: flex; gap: 14px; }
.contact-detail-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--green-pale); color: var(--green);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 17px;
}
.contact-detail-text {}
.contact-detail-text strong { display: block; font-family: 'Inter', sans-serif; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
.contact-detail-text span { font-size: 14px; color: var(--gray-600); }
.contact-form-box { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow); }
.contact-form-box h2 { font-family: var(--font-heading); font-size: 1.6rem; color: var(--gray-900); margin-bottom: 24px; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.contact-form .form-group label { font-size: 14px; font-family: 'Inter', sans-serif; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; display: block; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14.5px;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46,125,50,.1);
}
.contact-form textarea { resize: vertical; min-height: 120px; }

/* === Archives === */
.archives-layout { max-width: 1200px; margin: 60px auto; padding: 0 24px; }
.volume-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 24px; }
.volume-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 28px; background: var(--green-pale);
  cursor: pointer; transition: background var(--transition);
}
.volume-header:hover { background: #C8E6C9; }
.volume-header h3 { font-family: var(--font-heading); font-size: 1.2rem; color: var(--green-dark); }
.volume-header span { font-size: 13px; color: var(--gray-500); font-family: 'Inter', sans-serif; }
.volume-issues { padding: 16px 28px; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.issue-link {
  display: block;
  padding: 16px;
  background: var(--gray-50);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: box-shadow var(--transition);
}
.issue-link:hover { box-shadow: var(--shadow); color: var(--text); }
.issue-link strong { display: block; font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 600; color: var(--gray-900); }
.issue-link span { font-size: 12.5px; color: var(--gray-500); font-family: 'Inter', sans-serif; }

/* === User Submission Form === */
.submission-page { max-width: 800px; margin: 60px auto; padding: 0 24px; }
.submission-page h1 { font-family: var(--font-heading); font-size: 2rem; margin-bottom: 8px; color: var(--gray-900); }
.submission-page .lead { color: var(--gray-500); font-size: 15px; margin-bottom: 32px; }
.form-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-sm); margin-bottom: 24px; }
.form-card h2 { font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 700; color: var(--gray-700); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.full-input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 14.5px;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.full-input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(46,125,50,.1); }
textarea.full-input { resize: vertical; min-height: 140px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* === User Dashboard === */
.user-dashboard { max-width: 1100px; margin: 48px auto; padding: 0 24px; }
.user-stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
.user-stat { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; text-align: center; }
.user-stat-num { font-family: var(--font-heading); font-size: 32px; font-weight: 700; color: var(--green); }
.user-stat-lbl { font-size: 13px; color: var(--gray-500); font-family: 'Inter', sans-serif; }
.submissions-table-wrap { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.submissions-table-header { padding: 20px 24px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.submissions-table-header h2 { font-family: 'Inter', sans-serif; font-size: 16px; font-weight: 700; color: var(--gray-900); }

/* === Responsive === */
@media (max-width: 1024px) {
  .articles-grid { grid-template-columns: 1fr 1fr; }
  .article-card-featured { grid-column: 1 / -1; display: flex; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .two-col-grid { grid-template-columns: 1fr; }
  .article-detail { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .auth-container { grid-template-columns: 1fr; }
  .auth-left { display: none; }
}
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--green-dark);
    padding-bottom: 12px;
    z-index: 300;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links > li > a { padding: 11px 24px; border-radius: 0; }
  .nav-links > li > a.nav-highlight { margin: 8px 24px; border-radius: var(--radius); }
  .dropdown-menu { position: static; border: none; box-shadow: none; background: rgba(0,0,0,.15); }
  .hero { flex-direction: column; padding: 48px 24px; }
  .current-issue-card { width: 100%; }
  .hero-content { padding-right: 0; }
  .articles-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; }
  .hero-stats { flex-wrap: wrap; justify-content: center; }
  .hstat-div { display: none; }
  .topbar-left { display: none; }
  .related-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .user-stats-row { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
  .header-search { display: none; }
}
@media (max-width: 480px) {
  .main-header { padding: 14px 0; }
  .brand-main { font-size: 18px; }
  .brand-sub { display: none; }
  .user-stats-row { grid-template-columns: 1fr 1fr; }
}

/* === Hero enhancements === */
.hero { background: linear-gradient(135deg,#1B5E20 0%,#2E7D32 50%,#1B5E20 100%); padding: 60px 0; position: relative; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-circles .hc { position: absolute; border-radius: 50%; border: 1px solid rgba(255,255,255,.06); }
.hc1 { width: 600px; height: 600px; top: -200px; right: -200px; }
.hc2 { width: 400px; height: 400px; bottom: -100px; left: -100px; }
.hc3 { width: 200px; height: 200px; top: 50%; left: 30%; }
.hero-content { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.1); color: rgba(255,255,255,.9); border: 1px solid rgba(255,255,255,.2); padding: 5px 14px; border-radius: 20px; font-size: 13px; font-family: 'Inter',sans-serif; margin-bottom: 20px; }
.hero-title { font-family: var(--font-heading); font-size: clamp(2rem,5vw,3.5rem); font-weight: 800; color: white; line-height: 1.15; margin-bottom: 16px; }
.hero-title em { color: #A5D6A7; font-style: normal; }
.hero-sub { color: rgba(255,255,255,.8); max-width: 600px; font-size: 17px; line-height: 1.7; margin-bottom: 28px; }
.hero-stats { display: flex; gap: 32px; margin-bottom: 32px; flex-wrap: wrap; }
.hstat { display: flex; flex-direction: column; }
.hstat-num { font-size: 28px; font-weight: 800; color: white; font-family: var(--font-heading); line-height: 1; }
.hstat-lbl { font-size: 12px; color: rgba(255,255,255,.6); margin-top: 4px; font-family: 'Inter',sans-serif; }
.hstat-div { width: 1px; background: rgba(255,255,255,.2); align-self: stretch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-actions .btn { font-size: 15px; padding: 12px 24px; }
.current-issue-card { background: rgba(255,255,255,.1); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.2); border-radius: 12px; padding: 24px; max-width: 300px; margin-top: 32px; }
.cic-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: #A5D6A7; font-family: 'Inter',sans-serif; }
.cic-vol { font-size: 20px; font-weight: 700; color: white; margin: 8px 0 4px; font-family: var(--font-heading); }
.cic-title { font-size: 13px; color: rgba(255,255,255,.7); margin-bottom: 14px; }
.cic-link { font-size: 13px; color: #69F0AE; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 6px; font-size: 14px; font-weight: 600; cursor: pointer; border: 2px solid transparent; transition: all 0.2s; text-decoration: none; font-family: 'Inter',sans-serif; }
.btn-primary { background: white; color: var(--green-dark); border-color: white; }
.btn-primary:hover { background: var(--green-pale); color: var(--green-dark); }
.btn-outline { background: transparent; color: white; border-color: rgba(255,255,255,.6); }
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: white; }
.btn-white { background: white; color: var(--green-dark); }
.btn-white:hover { background: var(--green-pale); }
.btn-accent { background: var(--green-accent); color: var(--green-dark); }
.btn-accent:hover { background: #00E676; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-ghost { background: transparent; color: var(--green); border-color: var(--green); }
.btn-ghost:hover { background: var(--green); color: white; }

/* Announcements Banner */
.ann-banner { background: var(--gold-light); border-top: 3px solid var(--gold); border-bottom: 1px solid #FFE082; padding: 10px 0; }
.ann-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 16px; }
.ann-label { background: var(--gold); color: white; padding: 3px 10px; border-radius: 4px; font-size: 11px; font-weight: 700; text-transform: uppercase; white-space: nowrap; font-family: 'Inter',sans-serif; display: flex; align-items: center; gap: 5px; }
.ann-ticker { flex: 1; overflow: hidden; font-size: 13.5px; }
.ann-item { display: none; align-items: center; gap: 10px; }
.ann-item:first-child { display: flex; }
.ann-type { font-size: 10px; font-weight: 700; padding: 2px 8px; border-radius: 3px; text-transform: uppercase; background: var(--gold); color: white; white-space: nowrap; }
.ann-type.ann-call_for_papers { background: #6A1B9A; }
.ann-type.ann-news { background: #1565C0; }
.ann-type.ann-event { background: #E65100; }
.ann-more { font-size: 12.5px; color: var(--gold); font-weight: 600; white-space: nowrap; font-family: 'Inter',sans-serif; }

/* Sections */
.section-articles { padding: 64px 0; background: var(--gray-50); }
.section-two-col { padding: 64px 0; }
.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 32px; }
.section-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--green); font-family: 'Inter',sans-serif; display: block; margin-bottom: 6px; }
.section-title { font-family: var(--font-heading); font-size: 28px; font-weight: 700; color: var(--gray-900); }

/* Article Cards */
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.article-card { background: white; border-radius: var(--radius-lg); border: 1px solid var(--border); padding: 24px; display: flex; flex-direction: column; transition: transform 0.2s, box-shadow 0.2s; }
.article-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.article-card-featured { grid-column: span 3; background: linear-gradient(135deg,#E8F5E9,#F1F8E9); border-color: #C8E6C9; }
.article-card-cat { display: inline-flex; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px; width: fit-content; font-family: 'Inter',sans-serif; }
.article-card-title { font-family: var(--font-heading); font-size: 17px; font-weight: 700; line-height: 1.35; margin-bottom: 10px; }
.article-card-title a { color: var(--gray-900); }
.article-card-title a:hover { color: var(--green); }
.article-card-abstract { font-size: 13.5px; color: var(--text-light); line-height: 1.7; flex: 1; margin-bottom: 14px; }
.article-card-meta { display: flex; flex-direction: column; gap: 2px; margin-bottom: 14px; font-size: 12px; color: var(--gray-500); }
.article-card-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; border-top: 1px solid var(--border); }
.article-metrics { display: flex; gap: 12px; font-size: 12px; color: var(--gray-500); font-family: 'Inter',sans-serif; }
.article-metrics i { color: var(--green-mid); }
.read-more { font-size: 13px; font-weight: 700; color: var(--green); font-family: 'Inter',sans-serif; display: flex; align-items: center; gap: 5px; }

/* Two-col grid */
.two-col-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.two-col-section {}

/* Category list */
.category-list { display: flex; flex-direction: column; gap: 4px; }
.cat-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 8px; border: 1px solid var(--border); background: white; transition: all 0.2s; }
.cat-item:hover { border-color: var(--green); transform: translateX(4px); }
.cat-dot { width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0; }
.cat-name { flex: 1; font-size: 14px; font-weight: 500; color: var(--text); }
.cat-count { font-size: 12px; font-weight: 700; background: var(--gray-100); padding: 2px 8px; border-radius: 12px; color: var(--gray-600); }

/* Most viewed */
.most-viewed-list { display: flex; flex-direction: column; gap: 12px; }
.mv-item { display: flex; gap: 16px; align-items: flex-start; padding: 16px; border-radius: 8px; border: 1px solid var(--border); background: white; }
.mv-rank { width: 32px; height: 32px; border-radius: 8px; background: var(--green-pale); color: var(--green); font-weight: 800; font-size: 15px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-family: var(--font-heading); }
.mv-content { flex: 1; min-width: 0; }
.mv-title { font-size: 14px; font-weight: 600; color: var(--gray-900); line-height: 1.4; display: block; margin-bottom: 5px; }
.mv-title:hover { color: var(--green); }
.mv-meta { display: flex; gap: 12px; font-size: 12px; color: var(--gray-500); }

/* CTA Section */
.cta-section { background: var(--green-dark); padding: 64px 0; }
.cta-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; gap: 40px; flex-wrap: wrap; }
.cta-content h2 { font-family: var(--font-heading); font-size: 32px; color: white; margin-bottom: 12px; }
.cta-content p { color: rgba(255,255,255,.75); max-width: 500px; margin-bottom: 20px; }
.cta-features { display: flex; gap: 20px; flex-wrap: wrap; }
.cta-features span { font-size: 13.5px; color: rgba(255,255,255,.8); font-family: 'Inter',sans-serif; display: flex; align-items: center; gap: 6px; }
.cta-features i { color: #A5D6A7; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Article detail page */
.article-detail { max-width: 900px; margin: 0 auto; }
.article-hero { background: white; border-bottom: 1px solid var(--border); padding: 48px 0 32px; }
.article-meta-bar { display: flex; gap: 24px; flex-wrap: wrap; font-size: 13px; color: var(--gray-500); font-family: 'Inter',sans-serif; margin-bottom: 20px; }
.article-meta-bar span { display: flex; align-items: center; gap: 6px; }
.article-meta-bar i { color: var(--green); }
.article-title-main { font-family: var(--font-heading); font-size: clamp(1.8rem,4vw,2.5rem); font-weight: 800; line-height: 1.2; color: var(--gray-900); margin-bottom: 20px; }
.article-authors-list { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.author-chip { background: var(--green-pale); padding: 5px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; color: var(--green-dark); }
.author-chip small { display: block; font-size: 11px; color: var(--gray-500); font-weight: 400; }
.article-doi { font-size: 13px; color: var(--gray-500); font-family: 'Inter',sans-serif; }
.article-doi a { color: var(--green); font-weight: 600; }
.article-body-section { padding: 40px 0; }
.article-abstract { background: var(--green-pale); border-left: 4px solid var(--green); padding: 24px; border-radius: 0 8px 8px 0; margin-bottom: 32px; }
.article-abstract h3 { font-family: var(--font-heading); font-size: 20px; margin-bottom: 12px; color: var(--green-dark); }
.article-abstract p { color: var(--text); line-height: 1.9; font-size: 15px; }
.article-keywords { margin-top: 16px; }
.kw-chip { display: inline-block; background: white; border: 1px solid var(--green); color: var(--green-dark); font-size: 12px; padding: 3px 10px; border-radius: 20px; margin: 3px; font-weight: 500; }
.article-metrics-bar { display: flex; gap: 32px; background: var(--gray-50); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin-bottom: 32px; flex-wrap: wrap; }
.article-metric { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.metric-val { font-size: 22px; font-weight: 800; color: var(--gray-900); font-family: var(--font-heading); }
.metric-lbl { font-size: 11px; color: var(--gray-500); font-family: 'Inter',sans-serif; text-transform: uppercase; letter-spacing: 0.05em; }

/* Flash messages */
.flash { padding: 12px 24px; font-size: 14px; display: flex; align-items: center; gap: 10px; }
.flash-success { background: #E8F5E9; color: #2E7D32; border-bottom: 2px solid #C8E6C9; }
.flash-error   { background: #FFEBEE; color: #C62828; border-bottom: 2px solid #FFCDD2; }

/* Forms */
.form-group { margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-label { display: block; font-size: 13.5px; font-weight: 600; color: var(--text); margin-bottom: 6px; font-family: 'Inter',sans-serif; }
.form-control { width: 100%; padding: 10px 14px; border: 2px solid var(--border); border-radius: 6px; font-size: 14px; font-family: var(--font-body); color: var(--text); background: white; transition: border-color 0.2s, box-shadow 0.2s; }
.form-control:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(46,125,50,.1); }
.form-hint { font-size: 12px; color: var(--gray-500); margin-top: 4px; font-family: 'Inter',sans-serif; }
.req { color: #C62828; }

/* Nav dropdowns */
.nav-links { display: flex; list-style: none; gap: 0; }
.nav-links li { position: relative; }
.nav-links a { display: block; padding: 14px 18px; color: rgba(255,255,255,.85); font-size: 14px; font-family: 'Inter',sans-serif; font-weight: 500; transition: background 0.15s, color 0.15s; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { background: rgba(255,255,255,.1); color: white; }
.nav-highlight { background: rgba(105,240,174,.15) !important; color: #A5D6A7 !important; font-weight: 700 !important; }
.nav-highlight:hover { background: rgba(105,240,174,.25) !important; color: white !important; }
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu { display: none; position: absolute; top: 100%; left: 0; background: white; min-width: 220px; box-shadow: var(--shadow-md); border-radius: 0 0 8px 8px; z-index: 200; }
.dropdown-menu li a { color: var(--text); font-size: 13.5px; padding: 11px 20px; }
.dropdown-menu li a:hover { background: var(--green-pale); color: var(--green); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; color: white; font-size: 20px; padding: 14px 18px; }

/* Footer */
.main-footer { background: var(--gray-900); }
.footer-top { padding: 60px 0 40px; }
.footer-grid { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.footer-brand { font-family: var(--font-heading); font-size: 22px; color: white; margin-bottom: 14px; }
.footer-col p { font-size: 13.5px; color: rgba(255,255,255,.5); line-height: 1.7; }
.footer-col h4 { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,.4); margin-bottom: 14px; font-family: 'Inter',sans-serif; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 13.5px; color: rgba(255,255,255,.55); transition: color 0.2s; }
.footer-col ul li a:hover { color: white; }
.contact-list li { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; font-size: 13.5px; color: rgba(255,255,255,.55); }
.contact-list li i { color: var(--green-light); margin-top: 3px; flex-shrink: 0; }
.social-links { display: flex; gap: 10px; margin-top: 16px; }
.social-links a { width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,.08); color: rgba(255,255,255,.6); display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
.social-links a:hover { background: var(--green); color: white; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 24px; max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { font-size: 12.5px; color: rgba(255,255,255,.3); }
.footer-bottom a { color: rgba(255,255,255,.4); }
.footer-bottom a:hover { color: white; }

/* Article listing page */
.articles-page { padding: 40px 0 64px; }
.articles-page .article-list-item { background: white; border: 1px solid var(--border); border-radius: 10px; padding: 24px; margin-bottom: 16px; display: flex; gap: 24px; align-items: flex-start; transition: box-shadow 0.2s; }
.articles-page .article-list-item:hover { box-shadow: var(--shadow-md); }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 4px; padding: 32px 0; }
.pagination a, .pagination span { padding: 8px 14px; border-radius: 6px; font-size: 13.5px; border: 1px solid var(--border); color: var(--text); font-family: 'Inter',sans-serif; }
.pagination a:hover { background: var(--green-pale); border-color: var(--green); color: var(--green); }
.pagination .active-page { background: var(--green); color: white; border-color: var(--green); }

/* Auth pages */
.auth-wrapper { min-height: 100vh; background: linear-gradient(135deg,#E8F5E9,#F1F8E9 50%,white); display: flex; align-items: center; justify-content: center; padding: 40px 24px; }
.auth-card { background: white; border-radius: 16px; box-shadow: var(--shadow-lg); width: 100%; max-width: 440px; padding: 44px; }
.auth-logo { font-family: var(--font-heading); font-size: 22px; color: var(--green-dark); text-align: center; margin-bottom: 8px; }
.auth-subtitle { font-size: 13px; color: var(--gray-500); text-align: center; margin-bottom: 32px; }
.auth-footer { text-align: center; margin-top: 24px; font-size: 13.5px; color: var(--gray-500); }

/* Contact page */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info-card { background: var(--green-pale); border-radius: 12px; padding: 32px; }
.contact-info-item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.contact-info-icon { width: 40px; height: 40px; background: var(--green); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: white; font-size: 16px; flex-shrink: 0; }
.contact-info-label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--gray-500); font-weight: 700; margin-bottom: 4px; font-family: 'Inter',sans-serif; }
.contact-info-val { font-size: 14.5px; color: var(--text); }

/* Responsive */
@media(max-width:768px) {
  .articles-grid { grid-template-columns: 1fr; }
  .article-card-featured { grid-column: span 1; }
  .two-col-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-inner { flex-direction: column; }
  .hero-stats { gap: 16px; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--green-dark); z-index: 200; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .header-search { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media(max-width:480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .topbar-left { display: none; }
}