/* 
 * Main CSS file for the Oktatói Portfólió website
 * This file contains all the styles for the website
 */

/* Language Switcher */
.language-switcher {
  display: flex;
  gap: var(--spacing-2);
}

.lang-switch {
  padding: var(--spacing-1) var(--spacing-2);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.lang-switch:hover {
  background: var(--muted);
  color: var(--foreground);
}

.lang-switch.active {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

/* Variables */
:root {
  --background: #eef2f6;
  --foreground: #1a2332;

  --muted: #dce3ed;
  --muted-foreground: #4a5568;

  --card: #ffffff;
  --card-foreground: #1a2332;

  --border: #c5d0de;
  --input: #c5d0de;

  --primary: #163a6b;
  --primary-foreground: #ffffff;

  --secondary: #e4ebf3;
  --secondary-foreground: #1a2332;

  --accent: #1e4d8c;
  --accent-foreground: #ffffff;

  --destructive: #b42318;
  --destructive-foreground: #ffffff;

  --radius: 0.5rem;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;

  /* Container width */
  --container-width: 1200px;
}

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

/* Base styles */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans",
    "Helvetica Neue", sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease-in-out;
}

a:hover {
  color: var(--accent);
}

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

.skip-link {
  position: absolute;
  left: var(--spacing-4);
  top: -3rem;
  z-index: 100;
  padding: var(--spacing-2) var(--spacing-4);
  background: var(--primary);
  color: var(--primary-foreground);
  border-radius: var(--radius);
}

.skip-link:focus {
  top: var(--spacing-4);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

ul,
ol {
  list-style-position: inside;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

/* Header */
.header {
  background-color: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 4.5rem;
  gap: var(--spacing-4);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-left: auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.desktop-nav {
  display: none;
  flex: 1;
}

.desktop-nav ul {
  display: flex;
  gap: var(--spacing-2);
  list-style: none;
}

.desktop-nav a {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  min-height: 2.75rem;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius);
  color: var(--foreground);
  font-weight: 500;
  font-size: 0.875rem;
  transition: background-color 0.2s ease-in-out;
}

.desktop-nav a:hover {
  background-color: var(--accent);
  color: var(--accent-foreground);
}

.desktop-nav a.active {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.desktop-nav a svg {
  width: 1.25rem;
  height: 1.25rem;
}

.mobile-menu-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background: transparent;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--foreground);
}

.mobile-menu-button .menu-icon-close {
  display: none;
}

.mobile-menu-button.is-open .menu-icon-open {
  display: none;
}

.mobile-menu-button.is-open .menu-icon-close {
  display: block;
}

.mobile-menu-button:hover {
  background-color: var(--secondary);
}

.mobile-nav {
  padding: var(--spacing-4);
  border-top: 1px solid var(--border);
  background-color: var(--card);
}

.mobile-nav.hidden {
  display: none;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  list-style: none;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  min-height: 2.75rem;
  padding: var(--spacing-2) var(--spacing-3);
  border-radius: var(--radius);
  color: var(--foreground);
  font-weight: 500;
  font-size: 0.875rem;
}

.mobile-nav a:hover {
  background-color: var(--accent);
  color: var(--accent-foreground);
}

.mobile-nav a.active {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.mobile-nav a svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Footer */
.footer {
  background-color: var(--card);
  border-top: 1px solid var(--border);
  padding: var(--spacing-6) 0;
  margin-top: auto;
  text-align: center;
  color: var(--muted-foreground);
}

.footer-credit {
  font-size: 0.875rem;
  margin-top: var(--spacing-1);
}

/* Page Header */
.page-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-top: var(--spacing-6);
  margin-bottom: var(--spacing-8);
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--border);
}

.page-header svg {
  width: 2rem;
  height: 2rem;
  color: var(--primary);
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--foreground);
  line-height: 1.2;
}

.page-header p {
  margin-top: var(--spacing-2);
  color: var(--muted-foreground);
  font-size: 1.125rem;
}

/* Card */
.card {
  background-color: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 1px 4px rgba(22, 58, 107, 0.06);
  overflow: hidden;
  margin-bottom: var(--spacing-6);
}

.card-interactive {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-interactive:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(22, 58, 107, 0.12);
}

.card-header {
  padding: var(--spacing-6);
  padding-bottom: 0;
}

.card-header h2 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: var(--spacing-2);
}

.card-subtitle {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.card-authors {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: var(--spacing-1);
}

.card-content {
  padding: var(--spacing-6);
}

.card-footer {
  padding: var(--spacing-6);
  padding-top: 0;
  display: flex;
  justify-content: flex-end;
}

.card-header-icon {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-2);
}

.card-header-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--primary);
  margin-right: var(--spacing-2);
}

.card-header-with-icon {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.card-header-with-icon svg {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--primary);
}

.card-image {
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Grid Layouts */
.grid-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-6);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.research-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

.research-image {
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--muted);
}

.research-image img {
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  display: block;
}

.materials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

/* Lists */
.list {
  list-style-type: disc;
  padding-left: var(--spacing-6);
  margin-top: var(--spacing-2);
}

.list li {
  margin-bottom: var(--spacing-2);
  color: var(--foreground);
}

.link-list {
  list-style: none;
  padding: 0;
}

.link-list li {
  margin-bottom: var(--spacing-3);
  display: flex;
  align-items: center;
}

.external-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.external-link svg {
  width: 1rem;
  height: 1rem;
  opacity: 0.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  border: none;
}

.btn svg {
  width: 1rem;
  height: 1rem;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.btn-primary:hover {
  background-color: var(--primary);
  opacity: 0.9;
  color: var(--primary-foreground);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border);
  color: var(--foreground);
}

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

.btn-sm {
  padding: var(--spacing-1) var(--spacing-3);
  font-size: 0.75rem;
}

/* Profile Buttons */
.profile-buttons {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

.profile-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: transparent;
  color: var(--foreground);
  transition: all 0.2s ease-in-out;
}

.profile-button:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  background-color: var(--secondary);
  color: var(--foreground);
}

.profile-button svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--muted-foreground);
  flex-shrink: 0;
}

.profile-name {
  font-weight: 600;
  display: block;
}

.profile-description {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* Contact Items */
.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.contact-item svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--muted-foreground);
}

.contact-item a {
  text-decoration: underline;
}

.contact-item a:hover {
  text-decoration: none;
}

.contact-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: var(--spacing-6) 0 0;
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--border);
}

.contact-qr img {
  display: block;
  width: 160px;
  height: 160px;
  object-fit: contain;
  background: #fff;
  border-radius: var(--radius);
}

.contact-qr a {
  color: inherit;
}

.contact-qr figcaption a {
  text-decoration: underline;
}

.contact-qr figcaption a:hover {
  text-decoration: none;
}

.contact-qr figcaption {
  margin-top: var(--spacing-2);
  color: var(--muted-foreground);
  font-size: 0.875rem;
  text-align: center;
}

/* Map */
.map-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: var(--spacing-4);
}

.address {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.address svg {
  width: 1rem;
  height: 1rem;
}

.floorplan-card {
  margin-bottom: var(--spacing-8);
}

.floorplan {
  margin: 0;
}

.floorplan a {
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}

.floorplan img {
  display: block;
  width: 100%;
  height: auto;
}

.floorplan figcaption {
  margin-top: var(--spacing-3);
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

/* Form */
.contact-form {
  display: grid;
  gap: var(--spacing-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.form-group label {
  font-weight: 500;
  font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-2) var(--spacing-3);
  border: 1px solid var(--input);
  border-radius: var(--radius);
  background-color: var(--card);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s ease-in-out;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(22, 58, 107, 0.15);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--spacing-2);
}

/* Alerts */
.alert {
  display: flex;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  border-radius: var(--radius);
  margin-bottom: var(--spacing-4);
}

.alert svg {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.alert-success {
  background-color: rgba(0, 200, 83, 0.1);
  border: 1px solid rgba(0, 200, 83, 0.3);
  color: #00833d;
}

.alert-success svg {
  color: #00833d;
}

.alert-error {
  background-color: rgba(255, 77, 79, 0.1);
  border: 1px solid rgba(255, 77, 79, 0.3);
  color: #cf1322;
}

.alert-error svg {
  color: #cf1322;
}

.alert-error ul {
  margin-top: var(--spacing-2);
  padding-left: var(--spacing-4);
}

/* Accordion */
.accordion {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--border);
}

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

.accordion-header {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  background-color: var(--card);
  border: none;
  color: inherit;
  transition: background-color 0.2s ease-in-out;
}

.accordion-header[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-header:hover {
  background-color: var(--secondary);
}

.accordion-icon {
  transition: transform 0.3s ease;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-in-out;
}

.accordion-content-inner {
  padding: var(--spacing-3) var(--spacing-4);
  border-left: 2px solid var(--primary);
  margin-left: var(--spacing-2);
  color: var(--muted-foreground);
}

/* Material Items */
.material-item {
  padding: var(--spacing-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: box-shadow 0.2s ease-in-out;
}

.material-item:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.material-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: var(--spacing-1);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.badge {
  font-size: 0.75rem;
  padding: 0.125rem 0.375rem;
  background-color: var(--muted);
  color: var(--muted-foreground);
  border-radius: 0.25rem;
  font-weight: normal;
  margin-left: var(--spacing-2);
}

.link-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  color: var(--primary);
  font-size: 0.875rem;
  margin-top: var(--spacing-2);
}

.link-button svg {
  width: 0.875rem;
  height: 0.875rem;
}

.note {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: var(--spacing-4);
}

.text-muted {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.text-center {
  text-align: center;
}

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

/* Error Pages */
.error-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-4);
}

.error-content {
  text-align: center;
  max-width: 500px;
}

.error-content h1 {
  font-size: 6rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.error-content h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-4);
}

.error-content p {
  margin-bottom: var(--spacing-6);
  color: var(--muted-foreground);
}

/* Responsive */
@media (min-width: 768px) {
  .desktop-nav {
    display: block;
    margin-left: var(--spacing-4);
  }

  .mobile-menu-button {
    display: none;
  }

  .grid-layout {
    grid-template-columns: 1fr 2fr;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .research-card-grid {
    grid-template-columns: 1fr 2fr;
  }

  .profile-buttons {
    grid-template-columns: repeat(2, 1fr);
  }

  .materials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .profile-buttons {
    grid-template-columns: repeat(4, 1fr);
  }

  .materials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Add styles for disabled buttons */
.btn.disabled,
.btn:disabled {
    opacity: 0.65;
    pointer-events: none;
    cursor: not-allowed;
}

.tex-container {
  overflow-x: auto;
}

.tex-content h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.tex-content h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.75rem;
}

.tex-content h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.tex-content p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.tex-content br {
  margin-bottom: 0.5rem;
}

.tex-title-block {
  margin-bottom: 2rem;
}

.tex-title-block h1 {
  margin-bottom: 0.5rem;
}

.tex-meta {
  color: #5a5a5a;
}

.tex-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

.tex-table th,
.tex-table td {
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.tex-table th {
  background-color: rgba(41, 98, 255, 0.08);
  font-weight: 600;
}

.tex-table tr:nth-child(even) td {
  background-color: rgba(0, 0, 0, 0.02);
}

.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.alert-destructive {
  background-color: rgba(255, 77, 79, 0.1);
  color: #a10000;
  border: 1px solid rgba(255, 77, 79, 0.3);
}

.card + .card {
  margin-top: 1.5rem;
}

@media (max-width: 768px) {
  .tex-content h1 {
    font-size: 1.75rem;
  }

  .tex-content h2 {
    font-size: 1.5rem;
  }
}

/* Publications sections */
.section-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: var(--spacing-6);
  margin-top: var(--spacing-8);
  padding-bottom: var(--spacing-3);
  border-bottom: 2px solid var(--border);
}

.section-title svg,
.section-title i {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--primary);
}

/* Featured Publications */
.featured-publications {
  margin-bottom: var(--spacing-8);
}

/* ORCID Publications */
.orcid-publications {
  margin-bottom: var(--spacing-8);
}

.orcid-icon {
  width: 2rem;
  height: 2rem;
  flex-shrink: 0;
}

.orcid-works-list {
  display: grid;
  gap: var(--spacing-4);
}

.orcid-work-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.orcid-work-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(166, 206, 57, 0.15);
}

.orcid-work-card .card-header {
  padding: var(--spacing-4);
  padding-bottom: var(--spacing-3);
}

.orcid-work-card .card-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  margin: 0;
  line-height: 1.4;
}

.work-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-top: var(--spacing-2);
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.work-journal {
  font-style: italic;
}

.work-year {
  font-weight: 500;
}

.work-separator {
  color: var(--border);
}

.work-type {
  font-size: 0.75rem;
  text-transform: uppercase;
}

.orcid-work-card .card-footer {
  padding: var(--spacing-3) var(--spacing-4);
  padding-top: 0;
  display: flex;
  justify-content: flex-start;
}

.orcid-footer {
  margin-top: var(--spacing-6);
  text-align: center;
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--border);
}

.orcid-footer .btn-primary {
  background-color: #A6CE39;
  color: #ffffff;
}

.orcid-footer .btn-primary:hover {
  background-color: #8fb82d;
  opacity: 1;
}

/* Responsive tweaks for publications */
@media (min-width: 768px) {
  .orcid-works-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .orcid-works-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Főoldal hero */
.home-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  align-items: start;
  margin: var(--spacing-8) 0;
}

.home-portrait {
  overflow: hidden;
  border-radius: 1rem;
  box-shadow: 0 8px 24px rgba(22, 58, 107, 0.12);
}

.home-portrait img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
}

.home-intro h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin-bottom: var(--spacing-2);
}

.home-role {
  color: var(--muted-foreground);
  font-size: 1.05rem;
  margin-bottom: var(--spacing-6);
}

.home-intro .lead,
.home-intro p {
  max-width: 62ch;
  margin-bottom: var(--spacing-4);
}

.home-intro .lead {
  font-size: 1.05rem;
  line-height: 1.75;
}

.home-interests {
  margin-top: var(--spacing-8);
}

.home-interests h2 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-3);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  list-style: none;
  padding: 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  background: var(--secondary);
  color: var(--foreground);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
}

.chip-link {
  text-decoration: none;
}

.chip-link:hover {
  background: var(--muted);
  color: var(--foreground);
}

.weather-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  margin: var(--spacing-8) 0;
  padding: var(--spacing-4) var(--spacing-6);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.weather-strip-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-4);
  color: var(--muted-foreground);
  font-size: 0.95rem;
}

.weather-strip-value {
  color: var(--foreground);
  font-weight: 600;
}

.current-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  margin: var(--spacing-6) 0 0;
  padding: var(--spacing-4) var(--spacing-6);
  background: var(--secondary);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
}

.current-banner p {
  margin: 0;
}

.current-banner a {
  font-weight: 600;
}

/* Kurzus infósáv */
.course-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
  padding: var(--spacing-6);
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 1px 4px rgba(22, 58, 107, 0.06);
}

.course-meta-item {
  min-width: 0;
}

.course-meta-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted-foreground);
  margin-bottom: var(--spacing-1);
}

.course-goal {
  margin-bottom: var(--spacing-8);
}

.materials-section {
  margin-top: var(--spacing-8);
}

.materials-public,
.materials-protected {
  margin-bottom: var(--spacing-6);
}

.materials-section h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-3);
}

.auth-card {
  max-width: 28rem;
  margin-bottom: var(--spacing-6);
}

.auth-card .form-group,
.auth-card input {
  width: 100%;
}

.auth-card .btn {
  margin-top: var(--spacing-3);
}

/* Üres állapot */
.empty-state {
  text-align: center;
  padding: var(--spacing-8) var(--spacing-4);
  color: var(--muted-foreground);
}

.empty-state svg {
  width: 2rem;
  height: 2rem;
  color: var(--primary);
  margin-bottom: var(--spacing-3);
}

.empty-state h3 {
  color: var(--foreground);
  margin-bottom: var(--spacing-2);
}

/* Kutatás kép zoom */
.research-image img {
  transition: transform 0.4s ease;
}

.research-card:hover .research-image img {
  transform: scale(1.03);
}

.research-image-missing {
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--muted);
}

/* Publikáció kiemelt */
.featured-card {
  border-left: 4px solid var(--primary);
}

.featured-card .card-header h2 {
  font-size: 1.5rem;
}

/* Hungaromet hivatalos linkek */
.weather-official {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-3) var(--spacing-4);
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.weather-official-label {
  margin: 0;
  font-weight: 600;
  color: var(--foreground);
}

.weather-official .chip-list {
  margin: 0;
}

/* ICON-EU ensemble ábra */
.ensemble-status {
  margin-bottom: var(--spacing-4);
  color: var(--muted-foreground);
}

.ensemble-status .btn {
  margin-top: var(--spacing-2);
}

.ensemble-days {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-6);
}

.ensemble-day {
  padding: var(--spacing-3) var(--spacing-4);
  background: var(--secondary);
  border-radius: var(--radius);
}

.ensemble-day h3 {
  margin: 0 0 var(--spacing-2);
  font-size: 0.95rem;
  font-weight: 600;
}

.ensemble-day-temp {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.ensemble-day-sep {
  color: var(--muted-foreground);
  margin: 0 0.25rem;
}

.ensemble-day-precip,
.ensemble-day-pop,
.ensemble-day-control {
  margin: 0.15rem 0 0;
  color: var(--muted-foreground);
  font-size: 0.9rem;
}

.ensemble-day-control {
  color: #9a3412;
  font-weight: 500;
}

.ensemble-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3) var(--spacing-4);
  margin: 0 0 var(--spacing-4);
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  color: var(--muted-foreground);
}

.ensemble-legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.ensemble-swatch {
  display: inline-block;
  width: 1.1rem;
  height: 0.35rem;
  border-radius: 2px;
}

.ensemble-swatch-band {
  height: 0.7rem;
  background: rgba(22, 58, 107, 0.18);
}

.ensemble-swatch-median {
  background: var(--primary);
}

.ensemble-swatch-control {
  background: #b45309;
}

.ensemble-chart-block + .ensemble-chart-block {
  margin-top: var(--spacing-6);
}

.ensemble-chart-title {
  margin: 0 0 var(--spacing-2);
  font-size: 1rem;
  font-weight: 600;
}

.ensemble-chart-wrap {
  position: relative;
  width: 100%;
}

.ensemble-svg {
  display: block;
  width: 100%;
  height: auto;
  background: var(--card);
}

.ensemble-grid {
  stroke: var(--border);
  stroke-width: 1;
}

.ensemble-dayline {
  stroke: var(--muted-foreground);
  stroke-width: 1;
  stroke-dasharray: 3 4;
  opacity: 0.45;
}

.ensemble-tick,
.ensemble-xlabel {
  fill: var(--muted-foreground);
  font-size: 11px;
  font-family: Inter, system-ui, sans-serif;
}

.ensemble-band {
  fill: rgba(22, 58, 107, 0.18);
}

.ensemble-median {
  fill: none;
  stroke: var(--primary);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.ensemble-control {
  fill: none;
  stroke: #b45309;
  stroke-width: 2.25;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.ensemble-bar-p90 {
  fill: rgba(22, 58, 107, 0.18);
}

.ensemble-bar {
  fill: #3d7a9e;
}

.ensemble-tooltip {
  position: absolute;
  top: 8px;
  z-index: 2;
  min-width: 150px;
  padding: 0.5rem 0.7rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(26, 35, 50, 0.12);
  font-size: 0.8rem;
  pointer-events: none;
}

.ensemble-tooltip strong,
.ensemble-tooltip span {
  display: block;
}

.ensemble-tooltip small {
  color: var(--muted-foreground);
}

.ensemble-tooltip-control {
  color: #9a3412;
  font-weight: 600;
}

.ensemble-meta {
  margin-top: var(--spacing-4);
  color: var(--muted-foreground);
}

/* Időjárás további források */
.weather-more {
  margin-top: 0;
}

.weather-more[open] > .card:first-of-type {
  border-top: 0;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.weather-more > summary {
  cursor: pointer;
  font-weight: 600;
  padding: var(--spacing-4);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.weather-more[open] > summary {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.weather-widgets {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
  padding: var(--spacing-6) 0 var(--spacing-8);
}

.iframe-frame,
.widget-frame {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--muted);
}

.iframe-frame {
  height: 450px;
}

.iframe-frame-tall {
  height: 600px;
}

.iframe-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.widget-frame {
  min-height: 150px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.widget-frame-forecast {
  min-height: 413px;
}

.widget-credit {
  font-size: 0.85rem;
  margin-top: var(--spacing-2);
}

.widget-description {
  margin-bottom: var(--spacing-4);
  color: var(--muted-foreground);
}

.weather-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-4) 0;
}

.weather-table thead {
  background: var(--primary);
  color: var(--primary-foreground);
}

.weather-table th,
.weather-table td {
  padding: 0.75rem;
  text-align: left;
}

.weather-table td {
  border-bottom: 1px solid var(--border);
}

.weather-details-accordion {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: var(--spacing-6);
}

.weather-details-summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--muted);
  cursor: pointer;
  font-weight: 500;
  list-style: none;
}

.weather-details-summary::-webkit-details-marker {
  display: none;
}

.weather-details-content {
  padding: 0 1rem 1rem;
}

/* Kalkulátor */
.calculator-container .calculator-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.calculator-container .form-group {
  margin-bottom: 1.5rem;
}

.calculator-container .form-group small {
  display: block;
  margin-top: 0.25rem;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.calculator-container select {
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3);
  border: 1px solid var(--input);
  border-radius: var(--radius);
  background-color: var(--card);
  font-family: inherit;
  font-size: 1rem;
}

.preset-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.preset-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
}

.preset-btn:hover {
  background: var(--secondary);
  border-color: var(--primary);
}

.result-box {
  background: var(--secondary);
  border-left: 4px solid var(--primary);
  padding: 1.5rem;
  border-radius: var(--radius);
  margin-top: 1rem;
}

.result-item {
  padding: 0.75rem;
  background: var(--card);
  border-radius: 6px;
  margin-bottom: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.result-label {
  font-weight: 600;
}

.result-value {
  font-family: ui-monospace, "Courier New", monospace;
  color: var(--primary);
  font-weight: 600;
}

.formula-list {
  list-style: none;
  padding: 0;
}

.formula-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.action-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.steps-box {
  background: var(--card);
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.step-item {
  margin: 1rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.step-item::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

.step-formula {
  background: var(--secondary);
  padding: 0.75rem;
  border-radius: 6px;
  margin: 0.5rem 0;
  font-family: ui-monospace, "Courier New", monospace;
  overflow-x: auto;
}

@media print {
  .card-header,
  .action-buttons,
  .no-print,
  .header,
  .footer,
  .skip-link {
    display: none !important;
  }

  .card {
    box-shadow: none !important;
  }
}

@media (min-width: 768px) {
  .home-hero {
    grid-template-columns: 280px 1fr;
  }

  .course-meta {
    grid-template-columns: repeat(3, 1fr);
  }

  .calculator-container .calculator-grid {
    grid-template-columns: 1fr 1fr;
  }
}