/* ==========================================================================
   Serdar Balcı, MD - Academic & Bibliometrics Research Dossier Stylesheet
   Refined Scholarly Editorial Aesthetic, Newsreader Typography
   ========================================================================== */

:root {
  --bg-academic: #fcfbf9;
  --bg-paper: #ffffff;
  --bg-muted: #f4f2ee;
  --border-academic: #e2ded5;
  --border-strong: #c8c2b5;

  --text-academic: #1c1917;
  --text-secondary: #44403c;
  --text-muted: #78716c;
  
  --accent-navy: #1e3a8a;
  --accent-gold: #b45309;
  --accent-burgundy: #881337;
  --accent-link: #2563eb;
  
  --font-serif: 'Newsreader', Georgia, serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-paper: 0 4px 20px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] {
  --bg-academic: #121212;
  --bg-paper: #1a1a1a;
  --bg-muted: #242424;
  --border-academic: #333333;
  --border-strong: #444444;

  --text-academic: #f5f5f4;
  --text-secondary: #d6d3d1;
  --text-muted: #a8a29e;

  --accent-navy: #60a5fa;
  --accent-gold: #fbbf24;
  --accent-burgundy: #f43f5e;
  --accent-link: #93c5fd;

  --shadow-paper: 0 4px 20px rgba(0, 0, 0, 0.4);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-academic);
  color: var(--text-academic);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* CV Format Switcher Bar */
.cv-switcher-bar {
  background: var(--bg-muted);
  border-bottom: 1px solid var(--border-academic);
  padding: 8px 16px;
  font-size: 0.85rem;
}

.switcher-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.switcher-label {
  color: var(--text-muted);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.switcher-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.switcher-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 4px;
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all 0.2s ease;
}

.switcher-btn:hover {
  background: var(--border-academic);
}

.switcher-btn.active {
  background: var(--text-academic);
  color: var(--bg-paper);
  font-weight: 600;
}

.theme-control .theme-btn {
  background: transparent;
  border: 1px solid var(--border-academic);
  color: var(--text-academic);
  width: 32px;
  height: 32px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Masthead Header */
.academic-masthead {
  background: var(--bg-paper);
  border-bottom: 1px solid var(--border-academic);
  padding: 48px 24px;
}

.masthead-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.faculty-rank {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  font-weight: 700;
  display: block;
  margin-bottom: 8px;
}

.scholar-name {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.scholar-affil {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 14px;
}

.scholar-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.scholar-meta a {
  color: var(--accent-link);
  text-decoration: none;
}

.masthead-actions {
  display: flex;
  gap: 10px;
  align-self: flex-start;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--text-academic);
  color: var(--bg-paper);
}

.btn-primary:hover {
  filter: brightness(1.15);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-academic);
}

.btn-outline:hover {
  background: var(--bg-muted);
}

/* Bibliometrics Identifiers Strip */
.identifiers-strip {
  background: var(--bg-muted);
  border-bottom: 1px solid var(--border-academic);
  padding: 12px 24px;
}

.strip-container {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
  align-items: center;
}

.identifier-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
}

.id-label {
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.id-val {
  font-family: var(--font-mono);
  color: var(--accent-navy);
  text-decoration: none;
  font-weight: 600;
}

.id-val:hover {
  text-decoration: underline;
}

/* Main Layout */
.academic-main-layout {
  padding: 40px 24px 80px;
}

.academic-container {
  max-width: 1100px;
  margin: 0 auto;
  background: var(--bg-paper);
  border: 1px solid var(--border-academic);
  box-shadow: var(--shadow-paper);
  padding: 48px;
  border-radius: 6px;
}

/* Sticky Subnav */
.academic-subnav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--border-academic);
  padding-bottom: 12px;
  margin-bottom: 40px;
  position: sticky;
  top: 0;
  background: var(--bg-paper);
  z-index: 100;
  padding-top: 8px;
}

.academic-subnav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.academic-subnav a:hover {
  background: var(--bg-muted);
  color: var(--accent-navy);
}

/* Sections & Headings */
.academic-section {
  margin-bottom: 48px;
  scroll-margin-top: 60px;
}

.section-heading {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-academic);
  border-bottom: 1px solid var(--border-academic);
  padding-bottom: 8px;
  margin-bottom: 20px;
}

.heading-num {
  color: var(--accent-gold);
  font-weight: 600;
}

.sub-heading {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--accent-navy);
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  margin-bottom: 16px;
}

.academic-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.academic-table th {
  border-bottom: 2px solid var(--border-strong);
  padding: 10px 12px;
  font-weight: 700;
  color: var(--text-academic);
}

.academic-table td {
  border-bottom: 1px solid var(--border-academic);
  padding: 12px;
  vertical-align: top;
  color: var(--text-secondary);
}

.font-mono {
  font-family: var(--font-mono);
  font-size: 0.84rem;
}

/* Bullet Lists */
.academic-bullet-list {
  list-style: square;
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--text-secondary);
}

.two-column-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

/* Publications Explorer */
.section-header-flex {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
}

.pub-count-badge {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--bg-muted);
  border: 1px solid var(--border-academic);
  padding: 4px 10px;
  border-radius: 4px;
  color: var(--accent-navy);
  font-weight: 600;
}

.scholar-filter-box {
  background: var(--bg-muted);
  border: 1px solid var(--border-academic);
  padding: 16px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.scholar-search-wrapper {
  position: relative;
  margin-bottom: 12px;
}

.scholar-search-wrapper i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

#scholarSearchInput {
  width: 100%;
  padding: 10px 14px 10px 38px;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-academic);
  border-radius: 4px;
  color: var(--text-academic);
  outline: none;
}

#scholarSearchInput:focus {
  border-color: var(--accent-navy);
}

.category-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tab-btn {
  background: var(--bg-paper);
  border: 1px solid var(--border-academic);
  color: var(--text-secondary);
  padding: 4px 12px;
  font-size: 0.82rem;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
}

.tab-btn.active {
  background: var(--accent-navy);
  color: #fff;
  border-color: var(--accent-navy);
}

.citation-copy-banner {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* Publications List */
.academic-pub-list {
  padding-left: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.academic-pub-item {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-academic);
  line-height: 1.6;
}

.pub-item-authors {
  font-size: 0.94rem;
  color: var(--text-secondary);
}

.pub-item-authors strong {
  color: var(--accent-navy);
  text-decoration: underline;
}

.pub-item-title {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--text-academic);
  margin: 4px 0;
}

.pub-item-journal {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.pub-item-journal em {
  color: var(--accent-burgundy);
  font-style: italic;
  font-weight: 600;
}

.pub-item-links {
  display: flex;
  gap: 8px;
  margin-top: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.pub-doi-link, .pub-cite-btn {
  font-size: 0.76rem;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 3px;
  border: 1px solid var(--border-academic);
  color: var(--text-muted);
  text-decoration: none;
  background: var(--bg-muted);
  cursor: pointer;
}

.pub-doi-link:hover, .pub-cite-btn:hover {
  color: var(--accent-navy);
  border-color: var(--accent-navy);
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.show {
  display: flex;
}

.modal-dialog {
  background: var(--bg-paper);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  max-width: 600px;
  width: 100%;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
  padding: 24px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-academic);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

.citation-format-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.modal-tab {
  padding: 4px 12px;
  border: 1px solid var(--border-academic);
  background: var(--bg-muted);
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
}

.modal-tab.active {
  background: var(--accent-navy);
  color: #fff;
  border-color: var(--accent-navy);
}

.citation-textarea {
  width: 100%;
  height: 140px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 10px;
  background: var(--bg-muted);
  border: 1px solid var(--border-academic);
  border-radius: 4px;
  color: var(--text-academic);
  resize: vertical;
}

.modal-footer {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
}

/* Toast */
.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1c1917;
  color: #fff;
  padding: 10px 18px;
  border-radius: 4px;
  font-size: 0.85rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 10001;
}

.toast-notification.show {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.academic-footer {
  border-top: 1px solid var(--border-academic);
  padding: 32px 24px;
  text-align: center;
  font-size: 0.85rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

/* Responsive */
@media (max-width: 768px) {
  .academic-container {
    padding: 24px 16px;
  }
  .two-column-list {
    grid-template-columns: 1fr;
  }
  .masthead-container {
    flex-direction: column;
  }
}

/* Print */
@media print {
  .cv-switcher-bar, .masthead-actions, .scholar-filter-box, .academic-subnav, .modal-overlay, .toast-notification, .academic-footer, .pub-cite-btn {
    display: none !important;
  }
  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 10pt;
  }
  .academic-container {
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }
  .academic-section {
    page-break-inside: avoid;
  }
}