/* ===== Journal of Life Science — Design System ===== */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #1B4332;
  --color-primary-light: #2D6A4F;
  --color-primary-dark: #132F23;
  --color-secondary: #1B2A4A;
  --color-accent: #B8860B;
  --color-accent-hover: #9A7209;
  --color-bg: #FAFAF8;
  --color-surface: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-secondary: #6B7280;
  --color-text-light: #9CA3AF;
  --color-success: #0D9488;
  --color-border: #E5E7EB;
  --color-border-light: #F3F4F6;

  --font-heading: 'Lora', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  --max-width: 1200px;
  --header-height: 72px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-primary-light); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

p { margin-bottom: 1rem; }

/* --- Utility Classes --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 4rem 0; }
.section--sm { padding: 2.5rem 0; }

.text-center { text-align: center; }
.text-secondary { color: var(--color-text-secondary); }
.text-accent { color: var(--color-accent); }

.badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge--green {
  background: rgba(27,67,50,0.1);
  color: var(--color-primary);
}

.badge--gold {
  background: rgba(184,134,11,0.12);
  color: var(--color-accent);
}

.badge--teal {
  background: rgba(13,148,136,0.1);
  color: var(--color-success);
}

.badge--navy {
  background: rgba(27,42,74,0.1);
  color: var(--color-secondary);
}

.pill {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  background: var(--color-border-light);
  border-radius: 999px;
  color: var(--color-text-secondary);
  margin: 0.2rem;
}

.mono { font-family: var(--font-mono); font-size: 0.85em; }

/* --- Header / Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.site-logo__icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.site-logo__text {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.2;
}

.site-logo__text small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-nav a {
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
  background: rgba(27,67,50,0.05);
}

.btn-submit-nav {
  background: var(--color-accent) !important;
  color: white !important;
  font-weight: 600 !important;
  padding: 0.5rem 1.1rem !important;
}

.btn-submit-nav:hover {
  background: var(--color-accent-hover) !important;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--color-text);
}

.mobile-toggle svg { width: 24px; height: 24px; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  line-height: 1.4;
}

.btn--primary {
  background: var(--color-primary);
  color: white;
}
.btn--primary:hover {
  background: var(--color-primary-light);
  color: white;
}

.btn--accent {
  background: var(--color-accent);
  color: white;
}
.btn--accent:hover {
  background: var(--color-accent-hover);
  color: white;
}

.btn--outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: white;
}

.btn--secondary {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}
.btn--secondary:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text);
}

.btn--sm {
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
}

.btn--lg {
  padding: 0.85rem 2rem;
  font-size: 1.05rem;
}

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  padding: 1.5rem;
  transition: box-shadow 0.25s, transform 0.25s;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card--flat { box-shadow: none; border: 1px solid var(--color-border); }
.card--flat:hover { box-shadow: var(--shadow-sm); transform: none; }

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-secondary) 100%);
  color: white;
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 1;
}

.hero .container { position: relative; z-index: 1; }

.hero h1 {
  color: white;
  font-size: 3rem;
  margin-bottom: 0.75rem;
}

.hero__tagline {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 1rem;
  font-style: italic;
  font-family: var(--font-heading);
}

.hero__issn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  opacity: 0.7;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Page Header (internal pages) --- */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: white;
  padding: 3rem 0;
}

.page-header h1 {
  color: white;
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
}

.page-header p {
  opacity: 0.85;
  font-size: 1.05rem;
  max-width: 600px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  opacity: 0.8;
}

.breadcrumb a { color: white; opacity: 0.8; }
.breadcrumb a:hover { opacity: 1; color: white; }
.breadcrumb span { opacity: 0.6; }

/* --- Announcement Bar --- */
.announcement-bar {
  background: rgba(184,134,11,0.08);
  border: 1px solid rgba(184,134,11,0.2);
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.announcement-bar__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.85rem;
}

/* --- Grid Layouts --- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

/* --- Metrics Strip --- */
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.metric-item {
  padding: 1.5rem;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.metric-item__value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.metric-item__label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* --- Quick Links --- */
.quick-link-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.quick-link-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  background: rgba(27,67,50,0.08);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.5rem;
}

.quick-link-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.quick-link-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

/* --- Latest Issue Section --- */
.latest-issue {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  align-items: start;
}

.issue-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: white;
  font-family: var(--font-heading);
  position: relative;
}

.issue-cover--green { background: linear-gradient(135deg, #1B4332, #2D6A4F); }
.issue-cover--navy { background: linear-gradient(135deg, #1B2A4A, #2C3E6B); }
.issue-cover--teal { background: linear-gradient(135deg, #0D5C55, #0D9488); }
.issue-cover--gold { background: linear-gradient(135deg, #7C5A0B, #B8860B); }

.issue-cover__journal {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.8;
  margin-bottom: 0.5rem;
}

.issue-cover__vol {
  font-size: 1.6rem;
  font-weight: 700;
}

.issue-cover__issue {
  font-size: 0.9rem;
  opacity: 0.8;
}

.issue-cover__year {
  font-size: 0.75rem;
  opacity: 0.6;
  margin-top: 0.5rem;
}

.issue-cover--sm {
  width: 100%;
  max-width: 180px;
  aspect-ratio: 3/4;
}

/* --- Article Listings --- */
.article-list { list-style: none; }

.article-list__item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border-light);
}

.article-list__item:last-child { border-bottom: none; }

.article-list__type {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: 0.35rem;
}

.article-list__title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.35rem;
  transition: color 0.2s;
}

.article-list__title:hover { color: var(--color-primary); }

.article-list__authors {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.35rem;
}

.article-list__meta {
  font-size: 0.8rem;
  color: var(--color-text-light);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.article-list__meta .mono {
  font-size: 0.75rem;
}

/* Abstract toggle */
.abstract-toggle {
  background: none;
  border: none;
  font-size: 0.8rem;
  color: var(--color-primary);
  cursor: pointer;
  padding: 0.25rem 0;
  font-weight: 500;
  font-family: var(--font-body);
}

.abstract-toggle:hover { text-decoration: underline; }

.abstract-content {
  display: none;
  margin-top: 0.75rem;
  padding: 1rem;
  background: var(--color-border-light);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.7;
}

.abstract-content.visible { display: block; }

/* --- Issue Grid --- */
.issue-card {
  text-align: center;
  padding: 1rem;
}

.issue-card .issue-cover {
  margin: 0 auto 1rem;
  width: 100%;
  max-width: 200px;
}

.issue-card__title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.issue-card__date {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.25rem;
}

.issue-card__count {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

/* --- Article Page --- */
.article-header { margin-bottom: 2rem; }

.article-header h1 {
  font-size: 2rem;
  line-height: 1.35;
  margin-bottom: 1rem;
}

.article-authors {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.article-authors sup {
  color: var(--color-accent);
  font-weight: 600;
  margin: 0 1px;
}

.article-affiliations {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.article-affiliations p { margin-bottom: 0.25rem; }
.article-affiliations sup {
  color: var(--color-accent);
  font-weight: 600;
  margin-right: 2px;
}

.article-dates {
  display: flex;
  gap: 2rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.article-dates strong { color: var(--color-text); }

.article-doi {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  background: rgba(27,67,50,0.06);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.article-abstract {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
}

.article-abstract h2 {
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-primary);
}

.article-abstract h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
  margin-top: 1rem;
}

.article-abstract h3:first-of-type { margin-top: 0; }

.article-keywords {
  margin-bottom: 2rem;
}

.article-keywords h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.citation-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.citation-box h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.citation-box__text {
  font-size: 0.9rem;
  line-height: 1.7;
  padding: 1rem;
  background: var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  font-family: var(--font-body);
}

.citation-box .btn { font-size: 0.85rem; }

/* --- Editorial Board --- */
.editor-featured {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 2rem;
  margin-bottom: 2rem;
}

.editor-avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: white;
}

.editor-avatar--sm {
  width: 64px;
  height: 64px;
  font-size: 1.2rem;
  margin: 0 auto 0.75rem;
}

.editor-card { text-align: center; padding: 1.5rem; }

.editor-card h4 { font-size: 1rem; margin-bottom: 0.2rem; }

.editor-card__institution {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.25rem;
}

.editor-card__specialty {
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 500;
}

.advisory-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.advisory-list li {
  padding: 0.75rem 1rem;
  background: var(--color-border-light);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
}

.advisory-list li strong {
  display: block;
}

.advisory-list li span {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

/* --- Forms --- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.form-group label .required {
  color: #DC2626;
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27,67,50,0.1);
}

textarea.form-control { resize: vertical; min-height: 120px; }

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%236B7280'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2.5rem;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 0.3rem;
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

.checkbox-group label {
  font-weight: 400;
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Multi-step form */
.step-indicator {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 2.5rem;
  position: relative;
}

.step-indicator__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex: 1;
  max-width: 180px;
}

.step-indicator__circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
  transition: all 0.3s;
}

.step-indicator__item.active .step-indicator__circle {
  background: var(--color-primary);
  color: white;
}

.step-indicator__item.completed .step-indicator__circle {
  background: var(--color-success);
  color: white;
}

.step-indicator__label {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  text-align: center;
}

.step-indicator__item.active .step-indicator__label {
  color: var(--color-primary);
  font-weight: 600;
}

.step-indicator__line {
  position: absolute;
  top: 18px;
  left: calc(50% + 24px);
  right: calc(-50% + 24px);
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.step-indicator__item.completed .step-indicator__line {
  background: var(--color-success);
}

.step-indicator__item:last-child .step-indicator__line { display: none; }

.form-step { display: none; }
.form-step.active { display: block; }

.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-light);
}

/* File upload */
.file-upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.file-upload:hover {
  border-color: var(--color-primary);
  background: rgba(27,67,50,0.02);
}

.file-upload__icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--color-text-secondary);
}

.file-upload__text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.file-upload__text strong {
  color: var(--color-primary);
}

.file-upload input[type="file"] { display: none; }

/* --- Guidelines / Content Page --- */
.content-page {
  max-width: 800px;
  margin: 0 auto;
}

.content-page h2 {
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border-light);
}

.content-page h2:first-child { margin-top: 0; }

.content-page h3 {
  font-size: 1.15rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.content-page ul, .content-page ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.content-page li {
  margin-bottom: 0.4rem;
  line-height: 1.7;
}

.content-page table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.content-page table th,
.content-page table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}

.content-page table th {
  background: var(--color-primary);
  color: white;
  font-weight: 600;
}

.content-page table tr:nth-child(even) {
  background: var(--color-border-light);
}

.content-page blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 1rem 1.5rem;
  background: rgba(27,67,50,0.03);
  margin: 1.5rem 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-secondary);
  color: rgba(255,255,255,0.8);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand h3 {
  font-size: 1.2rem;
  color: white;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.7;
  opacity: 0.7;
}

.footer-col h4 {
  color: white;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.4rem; }
.footer-col ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 0.85rem;
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: white; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  opacity: 0.6;
}

.footer-bottom__social {
  display: flex;
  gap: 1rem;
}

.footer-bottom__social a { color: rgba(255,255,255,0.65); }
.footer-bottom__social a:hover { color: white; }

/* --- Year Filter --- */
.year-filter {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.year-filter button {
  padding: 0.4rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--color-text-secondary);
}

.year-filter button:hover { border-color: var(--color-primary); color: var(--color-primary); }
.year-filter button.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* --- Article Type Section Headers --- */
.article-type-header {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border-light);
}

.article-type-header:first-child { margin-top: 0; }

/* --- Confirmation / Success State --- */
.success-state {
  text-align: center;
  padding: 3rem 2rem;
}

.success-state__icon {
  width: 72px;
  height: 72px;
  background: rgba(13,148,136,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--color-success);
  font-size: 2rem;
}

.success-state h2 { margin-bottom: 0.75rem; }

.success-state__id {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(27,67,50,0.06);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  display: inline-block;
  margin: 1rem 0;
}

/* --- Two Column Layout --- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: start;
}

.sidebar-card {
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
}

/* --- Word Counter --- */
.word-counter {
  text-align: right;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 0.3rem;
}

.word-counter.over { color: #DC2626; font-weight: 600; }

/* --- Co-author fields --- */
.coauthor-entry {
  padding: 1.25rem;
  background: var(--color-border-light);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  position: relative;
}

.coauthor-entry .remove-coauthor {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: none;
  border: none;
  color: #DC2626;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font-body);
  padding: 0.25rem 0.5rem;
}

/* --- Review Summary --- */
.review-summary {
  margin-bottom: 1.5rem;
}

.review-summary__section {
  margin-bottom: 1.5rem;
  padding: 1.25rem;
  background: var(--color-border-light);
  border-radius: var(--radius-md);
}

.review-summary__section h4 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.review-summary__section h4 button {
  font-size: 0.8rem;
  color: var(--color-primary);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 500;
}

.review-summary dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0.4rem 1rem;
  font-size: 0.9rem;
}

.review-summary dt {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.review-summary dd {
  color: var(--color-text);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .sidebar-card { position: static; }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero h1 { font-size: 2.25rem; }
  .hero { padding: 3.5rem 0 3rem; }

  .grid-3 { grid-template-columns: 1fr; }
  .grid-4, .metrics-strip { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }

  .latest-issue { grid-template-columns: 1fr; }
  .latest-issue .issue-cover { max-width: 200px; margin: 0 auto; }

  .editor-featured { grid-template-columns: 1fr; text-align: center; }
  .advisory-list { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

  .main-nav { display: none; }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
  }

  .mobile-toggle { display: block; }

  .step-indicator__label { font-size: 0.65rem; }
  .step-indicator__circle { width: 30px; height: 30px; font-size: 0.75rem; }

  .article-header h1 { font-size: 1.5rem; }
  .article-dates { flex-direction: column; gap: 0.5rem; }

  .review-summary dl { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.75rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .metrics-strip { grid-template-columns: 1fr; }
  .container { padding: 0 1rem; }
}