@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500&family=Lora:ital,wght@0,400;0,600;1,400&display=swap');

:root {
  --color-bg:            #fafaf8;
  --color-text:          #1a1a18;
  --color-secondary:     #5a5a54;
  --color-accent:        #2d6a4f;
  --color-accent-vivid:  #22a05a;
  --color-accent-light:  #eaf4ef;
  --color-border:        #e2e2dc;
  --color-sidebar-bg:    #f3f3ef;
  --color-photo-bg:      #d8d8d2;

  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Lora', Georgia, 'Times New Roman', serif;

  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;

  --sidebar-width:     240px;
  --content-max-width: 1050px;

  --transition:    0.15s ease;
  --radius-sm:     4px;
  --radius-md:     8px;
  --radius-lg:     14px;
  --radius-full:   9999px;
  --shadow-card:   0 2px 8px rgba(0,0,0,0.06);
  --shadow-hover:  0 6px 22px rgba(0,0,0,0.10);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

a.external::after {
  content: '\202F\2197';
  font-size: 0.75em;
  opacity: 0.6;
  display: inline;
  text-decoration: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: 1.85rem; font-weight: 600; margin-bottom: var(--sp-6); }
h2 { font-size: 1.45rem; font-weight: 600; margin-bottom: var(--sp-5); }
h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: var(--sp-3); }

p {
  margin-bottom: var(--sp-4);
}

p:last-child {
  margin-bottom: 0;
}

.page-wrapper {
  display: flex;
  min-height: 100vh;
  align-items: flex-start;
}

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background-color: var(--color-sidebar-bg);
  border-right: 1px solid var(--color-border);
  padding: var(--sp-8) var(--sp-6);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  scrollbar-width: none;
}

.sidebar::-webkit-scrollbar {
  width: 0;
}

.sidebar-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-3);
}

.photo-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background-color: var(--color-photo-bg);
  border: 3px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}

.photo-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.photo-initials {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-secondary);
  letter-spacing: 0.06em;
  user-select: none;
}

.sidebar-profile-text {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  align-items: center;
}

.sidebar-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.sidebar-title {
  font-size: 0.83rem;
  color: var(--color-secondary);
  line-height: 1.4;
  font-weight: 400;
}

.sidebar-institution {
  font-size: 0.78rem;
  color: var(--color-secondary);
  font-style: italic;
}

.sidebar-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--sp-1) 0;
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.sidebar-links li a {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-secondary);
  text-decoration: none;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background-color var(--transition);
  line-height: 1.2;
}

.sidebar-links li a:hover {
  color: var(--color-accent-vivid);
  background-color: var(--color-accent-light);
  text-decoration: none;
}

.sidebar-links li a svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.sidebar-links li a:hover svg {
  opacity: 1;
}

.main-wrapper {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-nav {
  border-bottom: 1px solid var(--color-border);
  padding: 0 var(--sp-12);
  background-color: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  list-style: none;
}

.site-nav ul li a {
  display: block;
  padding: var(--sp-4) var(--sp-5);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-secondary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  position: relative;
  bottom: -1px;
}

.site-nav ul li a:hover {
  color: #5a9e78;
  border-bottom-color: #5a9e78;
  text-decoration: none;
}

.site-nav ul li a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.main-content {
  padding: var(--sp-10) var(--sp-12);
  max-width: var(--content-max-width);
  width: 100%;
  flex: 1;
  margin-left: auto;
  margin-right: auto;
}

.site-footer {
  padding: var(--sp-8) var(--sp-12);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.83rem;
  color: var(--color-secondary);
}

section + section {
  margin-top: var(--sp-10);
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--color-border);
}

.intro-line {
  font-size: 1rem;
  color: var(--color-secondary);
  margin-bottom: var(--sp-8);
  line-height: 1.7;
}

.bio-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.interests-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  display: flex;
  gap: var(--sp-5);
  align-items: baseline;
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.news-item:last-child {
  border-bottom: none;
}

.news-year {
  color: var(--color-accent);
  font-weight: 500;
  font-size: 0.83rem;
  flex-shrink: 0;
  min-width: 2.5rem;
}

.news-text {
  color: var(--color-text);
  line-height: 1.55;
}

.publications-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.publication-card {
  border-left: 3px solid var(--color-accent);
  background-color: var(--color-accent-light);
  padding: var(--sp-5) var(--sp-6);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.publication-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--sp-2);
  line-height: 1.35;
}

.publication-authors {
  font-size: 0.9rem;
  color: var(--color-secondary);
  margin-bottom: var(--sp-1);
  line-height: 1.5;
}

.author-self {
  color: var(--color-accent);
  font-weight: 500;
}

.publication-venue {
  font-size: 0.85rem;
  color: var(--color-secondary);
  font-style: italic;
  margin-bottom: var(--sp-3);
}

.publication-abstract {
  font-size: 0.875rem;
  color: var(--color-secondary);
  margin-bottom: var(--sp-4);
  line-height: 1.65;
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.pill-link {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: var(--sp-1) var(--sp-3);
  border: 1.5px solid var(--color-accent-vivid);
  color: var(--color-accent-vivid);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
  font-family: var(--font-body);
  letter-spacing: 0.01em;
  transition: background-color var(--transition), color var(--transition);
}

.pill-link:hover {
  background-color: var(--color-accent-vivid);
  color: #fff;
  text-decoration: none;
}

.publications-note {
  font-style: italic;
  font-size: 0.875rem;
  color: var(--color-secondary);
  margin-top: var(--sp-6);
}

.projects-grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.project-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  background-color: var(--color-bg);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.project-card.project-muted {
  background-color: var(--color-sidebar-bg);
  border-style: dashed;
}

.project-card.project-muted:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--sp-2);
}

.project-description {
  font-size: 0.9rem;
  color: var(--color-secondary);
  line-height: 1.7;
  margin-bottom: var(--sp-4);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.tag {
  padding: 2px var(--sp-3);
  background-color: var(--color-sidebar-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--color-secondary);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.cv-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: var(--sp-8);
  padding-bottom: var(--sp-5);
  border-bottom: 1px solid var(--color-border);
}

.cv-updated {
  font-size: 0.85rem;
  color: var(--color-secondary);
}

.cv-section {
  margin-bottom: var(--sp-8);
}

.cv-section:last-child {
  margin-bottom: 0;
}

.cv-section-heading {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--sp-4);
}

.cv-entry {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  column-gap: var(--sp-6);
  row-gap: var(--sp-1);
  padding-bottom: var(--sp-4);
  margin-bottom: var(--sp-4);
  border-bottom: 1px solid var(--color-border);
}

.cv-entry:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.cv-entry-title {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
  grid-column: 1;
  grid-row: 1;
}

.cv-entry-subtitle {
  font-size: 0.875rem;
  color: var(--color-secondary);
  grid-column: 1 / -1;
  grid-row: 2;
}

.cv-entry-details {
  list-style: none;
  grid-column: 1 / -1;
  grid-row: 3;
  margin-top: var(--sp-1);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cv-entry-details li {
  position: relative;
  padding-left: 1.1em;
  font-size: 0.85rem;
  color: var(--color-secondary);
  line-height: 1.55;
}

.cv-entry-details li::before {
  content: '–';
  position: absolute;
  left: 0;
  opacity: 0.45;
}

.cv-entry-date {
  font-size: 0.83rem;
  color: var(--color-secondary);
  text-align: right;
  white-space: nowrap;
  grid-column: 2;
  grid-row: 1;
  align-self: start;
}

.cv-skills-table {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: var(--sp-3) var(--sp-5);
  align-items: baseline;
}

.cv-skill-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.cv-skill-value {
  font-size: 0.875rem;
  color: var(--color-secondary);
}

.contact-intro {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: var(--sp-6);
}

.contact-email-block {
  background-color: var(--color-accent-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--sp-5) var(--sp-6);
  display: inline-block;
  margin-bottom: var(--sp-8);
}

.contact-email-label {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-2);
}

.contact-email-address {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-text);
  user-select: all;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.contact-link-item {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  text-decoration: none;
  background-color: var(--color-bg);
  transition: border-color var(--transition), background-color var(--transition), transform var(--transition), color var(--transition);
}

.contact-link-item:hover {
  border-color: var(--color-accent);
  background-color: var(--color-accent-light);
  transform: translateY(-1px);
  color: var(--color-accent);
  text-decoration: none;
}

.contact-link-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  color: var(--color-accent-vivid);
  transition: color var(--transition);
}

.contact-link-label {
  font-weight: 500;
  font-size: 0.95rem;
  display: block;
  line-height: 1.3;
}

.contact-link-sub {
  font-size: 0.825rem;
  color: var(--color-secondary);
  display: block;
  transition: color var(--transition);
}

.contact-link-item:hover .contact-link-sub {
  color: var(--color-accent);
  opacity: 0.8;
}

@media (max-width: 768px) {
  .page-wrapper {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    padding: var(--sp-5);
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-4);
    overflow: visible;
  }

  .sidebar-profile {
    flex-direction: row;
    text-align: left;
    align-items: center;
    gap: var(--sp-4);
    width: 100%;
  }

  .sidebar-profile-text {
    align-items: flex-start;
  }

  .photo-circle {
    width: 68px;
    height: 68px;
  }

  .photo-initials {
    font-size: 1.2rem;
  }

  .sidebar-divider {
    display: none;
  }

  .sidebar-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--sp-1);
    width: 100%;
  }

  .site-nav {
    padding: 0 var(--sp-4);
    position: static;
  }

  .site-nav ul {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .site-nav ul::-webkit-scrollbar {
    height: 0;
  }

  .site-nav ul li a {
    padding: var(--sp-3) var(--sp-4);
    white-space: nowrap;
    font-size: 0.83rem;
  }

  .main-content {
    padding: var(--sp-6) var(--sp-5);
  }

  .site-footer {
    padding: var(--sp-6) var(--sp-5);
  }

  .cv-entry {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: var(--sp-1);
  }

  .cv-entry-date {
    text-align: left;
    grid-column: 1;
    grid-row: 2;
    color: var(--color-accent);
    font-size: 0.8rem;
  }

  .cv-entry-subtitle {
    grid-row: 3;
  }

  .cv-entry-details {
    grid-row: 4;
  }

  .cv-skills-table {
    grid-template-columns: 1fr;
    gap: var(--sp-1);
  }

  .cv-skill-label {
    margin-top: var(--sp-3);
    color: var(--color-accent);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .cv-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-2);
  }

  .contact-email-block {
    width: 100%;
    display: block;
  }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
}

.cv-name-print {
  display: none;
}

.cv-contact-line {
  font-size: 0.85rem;
  color: var(--color-secondary);
  margin-bottom: var(--sp-6);
}

.cv-contact-line a {
  color: var(--color-secondary);
  text-decoration: none;
}

.cv-contact-line a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

@media print {
  .cv-contact-line a {
    color: #000;
  }
}

.sidebar-profile-sep {
  display: block;
  width: 20px;
  height: 1px;
  background-color: var(--color-border);
  margin: var(--sp-2) 0;
  flex-shrink: 0;
}

button.pill-link {
  cursor: pointer;
  background: transparent;
  line-height: 1;
}

@media (min-width: 769px) {
  .cv-print-actions {
    text-align: right;
  }
}

.cv-print-note {
  font-size: 0.78rem;
  color: var(--color-secondary);
  margin-top: var(--sp-2);
  font-style: italic;
}

@page {
  margin: 0;
}

@media print {
  .sidebar,
  .site-nav,
  .site-footer,
  .cv-print-btn,
  .cv-print-note {
    display: none !important;
  }

  .page-wrapper {
    display: block;
  }

  .main-wrapper {
    width: 100%;
  }

  .main-content {
    padding: 1cm 1.5cm;
    max-width: 100%;
  }

  body {
    font-size: 9.5pt;
    color: #000;
    background: #fff;
    line-height: 1.5;
  }

  h1, h2, h3, h4 {
    color: #000;
  }

  .cv-name-print {
    display: block;
    text-align: center;
    font-family: 'Lora', Georgia, serif;
    font-size: 20pt;
    font-weight: 600;
    color: #000;
    margin-bottom: 0.05cm;
  }

  h1 {
    text-align: center;
    font-size: 8pt;
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #555;
    margin-bottom: 0.15cm;
  }

  a {
    color: #000;
    text-decoration: none;
  }

  a.external::after {
    display: none;
  }

  .pill-link {
    border-color: #444;
    color: #444;
  }

  .project-card,
  .publication-card {
    box-shadow: none;
    page-break-inside: avoid;
    break-inside: avoid;
  }

  .project-card:hover {
    transform: none;
    box-shadow: none;
  }

  .cv-contact-line {
    margin-bottom: 0.12cm;
    font-size: 8pt;
    text-align: center;
  }

  .cv-meta {
    margin-bottom: 0.2cm;
    padding-bottom: 0.12cm;
  }

  .cv-updated {
    font-size: 7pt;
    color: #999;
  }

  .cv-section {
    margin-bottom: 0.3cm;
    page-break-inside: avoid;
    break-inside: avoid;
  }

  .cv-section-heading {
    font-size: 6.5pt;
    margin-bottom: 0.12cm;
    padding-bottom: 0.06cm;
    color: #000;
    letter-spacing: 0.12em;
  }

  .cv-entry {
    padding-bottom: 0.12cm;
    margin-bottom: 0.12cm;
    row-gap: 1pt;
  }

  .cv-entry-title {
    font-size: 9.5pt;
    font-weight: 500;
  }

  .cv-entry-subtitle,
  .cv-entry-date {
    font-size: 8.5pt;
    line-height: 1.4;
  }

  .cv-entry-details {
    margin-top: 0.5pt;
  }

  .cv-entry-details li {
    font-size: 8.5pt;
    line-height: 1.4;
    padding-left: 0.9em;
  }

  .cv-skills-table {
    display: block;
    line-height: 1.55;
  }

  .cv-skill-label {
    display: inline;
    font-size: 7.5pt;
    font-weight: 600;
    color: #444;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .cv-skill-label::after {
    content: ':  ';
  }

  .cv-skill-value {
    display: inline;
    font-size: 8.5pt;
    color: #111;
  }

  .cv-skill-value::after {
    content: '';
    display: block;
    height: 0.04cm;
  }
}