/* === 4Kids Style Theme === */
@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@300;400;500;700&display=swap');

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

:root {
  --color-primary: #b2d235;
  --color-primary-dark: #9bc02a;
  --color-primary-light: #c4e04d;
  --color-secondary: #21aab6;
  --color-secondary-dark: #1a8a94;
  --color-accent: #e0245d;
  --color-purple: #3b054f;
  --color-success: #92ad27;
  --color-warning: #ffc107;
  --color-error: #dc3545;
  --color-info: #21aab6;
  --color-bg: #f8f9fa;
  --color-bg-white: #ffffff;
  --color-text: #212529;
  --color-text-light: #6c757d;
  --color-text-inverse: #ffffff;
  --color-border: #dee2e6;
  --color-border-light: #e9ecef;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --container-max: 1200px;
  --transition: 0.25s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Rubik', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-weight: 350;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

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

a:hover {
  color: var(--color-secondary-dark);
  text-decoration: underline;
}

h1, h2, h3, h4 {
  color: var(--color-purple);
  line-height: 1.3;
  font-weight: 500;
}

h1 { font-size: 2rem; margin-bottom: 1rem; }
h2 { font-size: 1.5rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }

p { margin-bottom: 1rem; }

ul { margin-bottom: 1rem; padding-left: 1.5rem; }
li { margin-bottom: 0.375rem; }

/* === Header === */
.header {
  background: var(--color-bg-white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-top {
  border-bottom: 1px solid var(--color-border-light);
}

.header-top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
  color: var(--color-text);
}

.header-logo:hover {
  text-decoration: none;
  color: var(--color-text);
}

.logo-icon {
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-purple);
  line-height: 1.2;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-light);
  line-height: 1.2;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-purple);
  border-radius: 2px;
  transition: var(--transition);
}

.header-nav {
  background: var(--color-bg-white);
  border-bottom: 3px solid var(--color-primary);
}

.nav-list {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 0;
}

.nav-link {
  display: block;
  padding: 1rem 1.5rem;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition);
  border-bottom: 3px solid transparent;
  margin-bottom: -3px;
}

.nav-link:hover {
  color: var(--color-secondary);
  text-decoration: none;
  background: rgba(33, 170, 182, 0.05);
}

.nav-link.active {
  color: var(--color-secondary);
  border-bottom-color: var(--color-secondary);
}

/* === Hero === */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, #d4e857 100%);
  color: var(--color-text);
  padding: 3rem 0 2.5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

.hero h1 {
  color: var(--color-purple);
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  position: relative;
}

.hero-text {
  font-size: 1.1rem;
  color: var(--color-purple);
  opacity: 0.85;
  max-width: 650px;
  line-height: 1.7;
  position: relative;
}

/* === Search Section === */
.search-section {
  margin-top: -2rem;
  padding-bottom: 2rem;
  position: relative;
  z-index: 10;
}

.search-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
}

.search-card h2 {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 3px solid var(--color-primary);
  color: var(--color-purple);
}

.search-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

.form-group {
  flex: 1;
  min-width: 200px;
}

.form-group-large {
  flex: 2;
  min-width: 300px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-purple);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--color-bg-white);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 4px rgba(33, 170, 182, 0.15);
}

.form-group input::placeholder {
  color: #adb5bd;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 0.5rem;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border: none;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  background: var(--color-secondary-dark);
  color: var(--color-text-inverse);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-bg-white);
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
}

.btn-secondary:hover {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
  text-decoration: none;
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-secondary);
  padding: 0.875rem 0.75rem;
  text-decoration: underline;
}

.btn-link:hover {
  color: var(--color-secondary-dark);
}

.btn-icon {
  flex-shrink: 0;
}

/* === Results === */
.results-section {
  padding: 0 0 2rem;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.results-header h2 {
  margin-bottom: 0;
  color: var(--color-purple);
}

.results-sort {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.results-sort label {
  color: var(--color-text-light);
}

.results-sort select {
  padding: 0.5rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
}

.results-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* === Result Card === */
.result-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: var(--color-text);
  display: block;
  border-left: 5px solid transparent;
}

.result-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--color-text);
  text-decoration: none;
  border-left-color: var(--color-primary);
}

.result-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.result-card-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-purple);
  margin-bottom: 0;
}

.result-card-badges {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.badge {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.badge-type {
  background: rgba(33, 170, 182, 0.12);
  color: var(--color-secondary);
}

.badge-kdv {
  background: rgba(178, 210, 53, 0.2);
  color: #6b8a00;
}

.badge-bso {
  background: rgba(33, 170, 182, 0.15);
  color: var(--color-secondary-dark);
}

.badge-vgo {
  background: rgba(59, 5, 79, 0.1);
  color: var(--color-purple);
}

.badge-gob {
  background: rgba(224, 36, 93, 0.1);
  color: var(--color-accent);
}

.badge-status {
  background: rgba(178, 210, 53, 0.2);
  color: #6b8a00;
}

.badge-status-uit {
  background: rgba(220, 53, 69, 0.1);
  color: var(--color-error);
}

.result-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem 1.5rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.result-card-meta span {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.meta-icon {
  width: 16px;
  height: 16px;
  opacity: 0.5;
}

/* === Pagination === */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.375rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.pagination button {
  padding: 0.625rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  min-width: 44px;
}

.pagination button:hover:not(:disabled) {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
  border-color: var(--color-secondary);
}

.pagination button.active {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
  border-color: var(--color-secondary);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* === Info Cards === */
.info-section {
  padding: 2.5rem 0;
}

.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.info-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition);
  border-top: 4px solid var(--color-primary);
}

.info-card:nth-child(2) {
  border-top-color: var(--color-secondary);
}

.info-card:nth-child(3) {
  border-top-color: var(--color-purple);
}

.info-card:nth-child(4) {
  border-top-color: var(--color-accent);
}

.info-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.info-card-icon {
  margin-bottom: 1.25rem;
}

.info-card-icon svg {
  stroke: var(--color-secondary);
}

.info-card h3 {
  color: var(--color-purple);
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
}

.info-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0;
  line-height: 1.6;
}

/* === Detail Page === */
.breadcrumb {
  padding: 1.25rem 0;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-secondary);
}

.breadcrumb-sep {
  margin: 0 0.625rem;
  color: var(--color-border);
}

.detail-content {
  padding-bottom: 2.5rem;
}

.detail-header {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  margin-bottom: 1.5rem;
  border-top: 5px solid var(--color-primary);
}

.detail-header h1 {
  margin-bottom: 0.75rem;
  color: var(--color-purple);
}

.detail-header-badges {
  display: flex;
  gap: 0.625rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.detail-header-badges .badge {
  font-size: 0.85rem;
  padding: 0.375rem 1rem;
}

.detail-meta-row {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.detail-meta-row span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.detail-sections {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.5rem;
}

.detail-section {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.75rem;
}

.detail-section h2 {
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--color-primary);
  color: var(--color-purple);
}

.detail-table {
  width: 100%;
}

.detail-table tr {
  border-bottom: 1px solid var(--color-border-light);
}

.detail-table tr:last-child {
  border-bottom: none;
}

.detail-table th,
.detail-table td {
  padding: 0.75rem 0.375rem;
  text-align: left;
  vertical-align: top;
  font-size: 0.9rem;
}

.detail-table th {
  font-weight: 500;
  color: var(--color-text-light);
  width: 45%;
  padding-right: 1rem;
}

.detail-table td {
  color: var(--color-text);
  word-break: break-word;
}

.detail-table td a {
  word-break: break-all;
}

.detail-actions {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* === About Page === */
.content-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 2.5rem;
  margin: 1.5rem 0 2.5rem;
}

.content-card h1 {
  color: var(--color-purple);
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.content-card h2 {
  margin-top: 2rem;
  color: var(--color-secondary);
}

.content-card h3 {
  margin-top: 1.25rem;
  color: var(--color-purple);
}

.content-card ul {
  margin-left: 0.5rem;
}

.content-card li {
  position: relative;
  padding-left: 1.5rem;
  list-style: none;
}

.content-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* === Install Prompt === */
.install-prompt {
  position: fixed;
  inset: 0;
  background: rgba(59, 5, 79, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.install-prompt-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  max-width: 400px;
  width: 100%;
  text-align: center;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.install-prompt-icon {
  margin-bottom: 1.25rem;
}

.install-prompt-icon svg {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.install-prompt-content h3 {
  color: var(--color-purple);
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.install-prompt-content p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.install-prompt-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.install-prompt-actions .btn-primary {
  width: 100%;
}

.install-prompt-actions .btn-link {
  color: var(--color-text-light);
}

.install-prompt[hidden] {
  display: none;
}

/* === Loading === */
.loading {
  text-align: center;
  padding: 3.5rem 1rem;
  color: var(--color-text-light);
  font-size: 1.1rem;
}

/* === No Results === */
.no-results {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.no-results h3 {
  margin-bottom: 0.75rem;
  color: var(--color-purple);
}

.no-results p {
  color: var(--color-text-light);
}

/* === Footer === */
.footer {
  margin-top: auto;
  background: var(--color-purple);
  color: var(--color-text-inverse);
  padding: 2rem 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-info p {
  margin-bottom: 0.375rem;
  font-size: 0.9rem;
  opacity: 0.85;
}

.footer-info a {
  color: var(--color-primary);
}

.footer-info a:hover {
  color: var(--color-primary-light);
}

.footer-meta {
  font-size: 0.85rem;
  opacity: 0.6;
}

.footer-meta p {
  margin: 0;
}

/* === Pages === */
.page {
  flex: 1;
}

.page[hidden] {
  display: none !important;
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* === Responsive === */
@media (max-width: 768px) {
  .hero {
    padding: 2rem 0 1.5rem;
  }

  .hero h1 {
    font-size: 1.65rem;
  }

  .hero-text {
    font-size: 1rem;
  }

  .search-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
  }

  .form-row {
    flex-direction: column;
    gap: 1rem;
  }

  .form-group,
  .form-group-large {
    min-width: 100%;
  }

  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .form-actions .btn {
    justify-content: center;
  }

  .menu-toggle {
    display: flex;
  }

  .header-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-white);
    box-shadow: var(--shadow-lg);
    border-bottom: 3px solid var(--color-primary);
  }

  .header-nav.open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
  }

  .nav-link {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-border-light);
    border-left: 4px solid transparent;
    margin-bottom: 0;
  }

  .nav-link.active {
    border-bottom-color: var(--color-border-light);
    border-left-color: var(--color-secondary);
    background: rgba(33, 170, 182, 0.05);
  }

  .logo-subtitle {
    display: none;
  }

  .result-card-header {
    flex-direction: column;
    gap: 0.625rem;
  }

  .result-card-meta {
    flex-direction: column;
    gap: 0.375rem;
  }

  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .detail-header {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
  }

  .detail-sections {
    grid-template-columns: 1fr;
  }

  .detail-meta-row {
    flex-direction: column;
    gap: 0.625rem;
  }

  .content-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }

  .detail-table th {
    width: 40%;
  }

  .pagination button {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    min-width: 40px;
  }

  .info-cards {
    grid-template-columns: 1fr;
  }
}

/* === Accessibility === */
:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

.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;
}

/* === Print === */
@media print {
  .header, .footer, .search-section, .pagination, .detail-actions {
    display: none;
  }

  .detail-content {
    box-shadow: none;
  }

  .result-card, .detail-section {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}