:root {
  --color-primary: #A537B4;
  --color-dark: #222;
  --color-light: #f8f9fa;
}

/* Base styles */
body {
  font-family: 'Montserrat', sans-serif;
  background: var(--color-light);
  color: var(--color-dark);
  margin: 0;
  padding: 0;
}

/* Button and input styles */
button, .btn-primary, .btn-secondary, .btn-test-small, input, select, textarea {
  font-family: 'Montserrat', sans-serif !important;
  font-weight: 500;
}

input, select, textarea {
  font-size: 16px;
  padding: 12px 15px;
  border: 2px solid #ddd;
  border-radius: 8px;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(165, 55, 180, 0.1);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary:hover {
  background: #8a2d96;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(165, 55, 180, 0.3);
}

.btn-secondary {
  background: #6c757d;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: #5a6268;
  transform: translateY(-1px);
}

.btn-test-small {
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 10px 15px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-test-small:hover {
  background: #8a2d96;
  transform: translateY(-1px);
}

header {
  background: var(--color-primary);
  color: var(--color-light);
  padding: 1.5rem 2rem;
  margin: 2rem auto;
  max-width: 1040px;
  border-radius: 16px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  min-height: 60px;
}

nav > a {
  color: var(--color-light);
  text-decoration: none;
  font-weight: 500;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  white-space: nowrap;
}

nav > a:hover {
  background: rgba(255, 255, 255, 0.1);
}

nav > a.active {
  font-weight: 600;
  background: rgba(255, 255, 255, 0.2);
}

/* Dropdown menu */
.nav-dropdown {
  position: relative;
  display: inline-block;
}

.nav-dropdown-toggle {
  color: var(--color-light);
  font-weight: 500;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  white-space: nowrap;
}

.nav-dropdown:hover .nav-dropdown-toggle {
  background: rgba(255, 255, 255, 0.1);
}

.nav-dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  min-width: 250px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  border-radius: 8px;
  z-index: 1000;
  padding: 0.8rem 0;
  margin-top: 0.2rem;
}

.nav-dropdown-content::before {
  content: "";
  position: absolute;
  top: -0.2rem;
  left: 0;
  right: 0;
  height: 0.2rem;
  background: transparent;
}

.nav-dropdown:hover .nav-dropdown-content,
.nav-dropdown.active .nav-dropdown-content {
  display: block;
}

/* Focus styles for accessibility */
.nav-dropdown-toggle:focus {
  outline: 2px solid white;
  outline-offset: 2px;
}

.nav-dropdown-content a {
  color: var(--color-dark);
  padding: 0.9rem 1.5rem;
  text-decoration: none;
  display: block;
  transition: all 0.3s ease;
  font-weight: 500;
  font-size: 1rem;
}

.nav-dropdown-content a:hover {
  background: #f8f9fa;
  color: var(--color-primary);
}

.nav-dropdown-content a.active {
  background: var(--color-primary);
  color: white;
  font-weight: 600;
}

.card {
  background: white;
  padding: 2rem;
  margin: 2.5rem auto;
  max-width: 960px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  clear: both;
}

.card > div:first-child,
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Info block layout */
.info-block {
  display: grid;
  grid-template-columns: 180px 1fr;
  row-gap: 1rem;
  column-gap: 1rem;
  word-break: break-word;
}

.info-block .label {
  font-weight: bold;
  color: #444;
}

.info-block .value {
  color: #111;
}

/* Forms */
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input[type="file"],
input[type="submit"],
textarea {
  font-size: 1rem;
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid #ccc;
}

input[type="submit"] {
  background: var(--color-primary);
  color: white;
  cursor: pointer;
  border: none;
}

textarea {
  resize: vertical;
  min-height: 200px;
}

/* Output block */
.output {
  margin-top: 2rem;
  padding: 1rem;
  background: #eef1f8;
  border-radius: 10px;
  font-family: monospace;
  white-space: pre-wrap;
  overflow-x: auto;
}

/* Material icon tweaks */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
  font-size: 1.2em;
  margin-right: 0.3rem;
}

a.styled-link {
  color: var(--color-primary) !important;
  text-decoration: none;
  transition: color 0.3s ease, border-bottom 0.3s ease;
}

a.styled-link:hover {
  color: var(--color-primary) !important;
  border-bottom: 1px solid var(--color-primary);
}

a.styled-link:visited {
  color: var(--color-primary) !important;
}

a.styled-link:active {
  color: var(--color-primary) !important;
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  color: #595959; /* Improved contrast for accessibility (WCAG AA) */
}

footer a {
  color: var(--color-primary) !important;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

footer a:visited {
  color: var(--color-primary) !important;
}

/* Toast notifications */
.toast {
  padding: 1rem 1.5rem;
  border-radius: 8px;
  margin: 1rem auto;
  max-width: 960px;
  text-align: center;
  font-weight: 500;
  animation: fadeIn 0.4s ease;
}

.success-toast {
  background: #e6f4ea;
  color: #1a7f37;
  border: 1px solid #b7e1cd;
}

.error-toast {
  background-color: #f8d7da;
  border: 1px solid #f5c6cb;
  color: #721c24;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.summary-card {
  background-color: #f8f9fa;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
  margin-bottom: 2rem;
}

.summary-row {
  display: flex;
  align-items: center;
  margin: 0.4rem 0;
}

.summary-row .material-symbols-outlined {
  margin-right: 0.5rem;
  color: #555;
}

.icon-button {
  cursor: pointer;
  font-size: 1.1rem;
  margin-left: 10px;
  color: #666;
  transition: color 0.2s ease;
}

.icon-button:hover {
  color: #000;
}

.sample-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
}

.sample-card {
  background: #f4f4f4;
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
  width: 220px;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.1);
}

.sample-card img {
  margin-bottom: 0.5rem;
}

.sample-card h3 {
  font-size: 1.1rem;
  margin: 0.5rem 0;
}

.download-btn {
  display: inline-block;
  margin: 0.5rem 0;
  padding: 0.5rem 1rem;
  background-color: var(--color-primary);
  color: white;
  border-radius: 6px;
  font-weight: bold;
  text-decoration: none;
}

.download-btn:hover {
  background-color: #8a2d96;
}

.filesize {
  font-size: 0.9rem;
  color: #555;
}

.sample-icon {
  font-size: 32px !important;
  margin-bottom: 0.5rem;
  color: #666;
  display: block;
  text-align: center;
}

/* Data Generator Styles */
.generator-form {
  display: grid;
  grid-template-columns: 2fr 1fr auto;
  gap: 20px;
  align-items: end;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.form-group input[type="number"] {
  padding: 12px;
  border: 2px solid #e1e5e9;
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.3s ease;
  background: white;
}

.form-group input[type="number"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(165, 55, 180, 0.1);
}

.custom-select {
  position: relative;
}

.custom-select select {
  appearance: none;
  width: 100%;
  padding: 12px 40px 12px 12px;
  border: 2px solid #e1e5e9;
  border-radius: 8px;
  font-size: 16px;
  background: white;
  cursor: pointer;
  transition: border-color 0.3s ease;
}

.custom-select select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(165, 55, 180, 0.1);
}

.custom-select::after {
  content: "▼";
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: #666;
  font-size: 12px;
}

.btn-generate {
  padding: 12px 24px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(165, 55, 180, 0.2);
}

.btn-generate:hover {
  background: #8a2d96;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(165, 55, 180, 0.3);
}

.btn-action {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  margin-left: 10px;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.btn-action .material-symbols-outlined {
  font-size: 16px;
  margin-right: 0;
}

.btn-copy {
  background: #28a745;
  color: white;
}

.btn-copy:hover {
  background: #218838;
  transform: translateY(-1px);
}

.btn-download {
  background: #17a2b8;
  color: white;
}

.btn-download:hover {
  background: #138496;
  transform: translateY(-1px);
}

/* Responsive design */
@media (max-width: 768px) {
  .generator-form {
    grid-template-columns: 1fr;
    gap: 15px;
  }
}

/* DLP Pattern Testing Styles */
.test-scenarios {
  display: grid;
  gap: 25px;
}

.scenario-card {
  background: #f8f9fa;
  border: 2px solid #e9ecef;
  border-radius: 12px;
  padding: 20px;
  transition: border-color 0.3s ease;
}

.scenario-card:hover {
  border-color: var(--color-primary);
}

.scenario-card h3 {
  margin: 0 0 10px 0;
  color: var(--color-primary);
  font-size: 1.2rem;
}

.scenario-card p {
  color: #666;
  margin-bottom: 20px;
}

.dlp-test-form {
  margin-top: 15px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-bottom: 15px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-dark);
  font-size: 16px;
  font-family: 'Montserrat', sans-serif !important;
}

.form-group input,
.form-group textarea {
  padding: 12px 15px;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 16px;
  transition: all 0.3s ease;
  font-family: 'Montserrat', sans-serif !important;
  font-weight: 500;
  box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(165, 55, 180, 0.1);
}

.form-group input[data-pattern-type] {
  font-family: monospace;
}

.btn-fill,
.btn-test,
.btn-suggestion,
.btn-copy-test {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  margin-right: 10px;
  margin-bottom: 10px;
  transition: all 0.3s ease;
}

.btn-fill {
  background: #6c757d;
  color: white;
  font-family: 'Montserrat', sans-serif !important;
  font-weight: 500;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 10px 16px;
  font-size: 14px;
}

.btn-fill:hover {
  background: #5a6268;
  transform: translateY(-1px);
}

.btn-test {
  background: var(--color-primary);
  color: white;
  font-family: 'Montserrat', sans-serif !important;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-test:hover {
  background: #8a2d96;
  transform: translateY(-1px);
}

.btn-suggestion {
  background: #17a2b8;
  color: white;
  font-size: 14px;
  padding: 10px 16px;
  font-family: 'Montserrat', sans-serif !important;
  font-weight: 500;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-suggestion:hover {
  background: #138496;
}

.btn-copy-test {
  background: #28a745;
  color: white;
  font-size: 14px;
  padding: 10px 16px;
  font-family: 'Montserrat', sans-serif !important;
  font-weight: 500;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-copy-test:hover {
  background: #218838;
}

.test-data-suggestions {
  background: #f8f9fa;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  margin: 20px 0;
}

.suggestion-buttons,
.copy-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 15px;
}

.clipboard-test {
  background: white;
  border: 1px solid #dee2e6;
  border-radius: 6px;
  padding: 15px;
}

.clipboard-sources {
  margin-bottom: 15px;
  padding-bottom: 15px;
  border-bottom: 1px solid #dee2e6;
}

/* Test Results Styles */
.test-results {
  background: #f8f9fa;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 20px;
}

.result-header {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid #dee2e6;
}

.detected-patterns h3 {
  margin: 0 0 15px 0;
  color: var(--color-primary);
}

.no-patterns {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px;
  background: #d4edda;
  border: 1px solid #c3e6cb;
  border-radius: 6px;
  color: #155724;
}

.patterns-list {
  display: grid;
  gap: 10px;
}

.pattern-item {
  display: grid;
  grid-template-columns: 150px 1fr auto;
  gap: 15px;
  align-items: center;
  padding: 12px;
  background: white;
  border: 1px solid #dee2e6;
  border-radius: 6px;
}

.pattern-type {
  font-weight: 600;
  color: var(--color-primary);
}

.pattern-value {
  font-family: monospace;
  background: #f8f9fa;
  padding: 4px 8px;
  border-radius: 4px;
  word-break: break-all;
}

.pattern-confidence {
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
}

.confidence-high {
  background: #d4edda;
  color: #155724;
}

.confidence-medium {
  background: #fff3cd;
  color: #856404;
}

.confidence-low {
  background: #f8d7da;
  color: #721c24;
}

.raw-data {
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid #dee2e6;
}

.raw-data h3 {
  margin: 0 0 10px 0;
  color: var(--color-dark);
}

.raw-data pre {
  background: white;
  border: 1px solid #dee2e6;
  border-radius: 6px;
  padding: 15px;
  max-height: 200px;
  overflow-y: auto;
  font-family: monospace;
  font-size: 14px;
  white-space: pre-wrap;
  word-break: break-word;
}

/* DNS/Web Filter Testing Styles */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.category-card {
  background: #f8f9fa;
  border: 2px solid #e9ecef;
  border-radius: 12px;
  padding: 20px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

.category-header h3 {
  margin: 0;
  color: var(--color-dark);
  font-size: 1.1rem;
}

.category-domains {
  margin-top: 15px;
}

.domain-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.domain-btn {
  background: white;
  border: 1px solid #dee2e6;
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: monospace;
}

.domain-btn:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: translateY(-1px);
}

.filter-test-form {
  margin-top: 15px;
}

.test-list {
  display: grid;
  gap: 15px;
  margin-top: 15px;
}

.test-item {
  display: grid;
  grid-template-columns: 200px 1fr 120px;
  gap: 15px;
  align-items: center;
  padding: 15px;
  background: white;
  border: 1px solid #dee2e6;
  border-radius: 8px;
}

.test-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--color-dark);
}

.test-result {
  font-size: 14px;
  color: #666;
}

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

.status-blocked {
  background: #d4edda;
  color: #155724;
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.status-allowed {
  background: #fff3cd;
  color: #856404;
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.status-failed {
  background: #f8d7da;
  color: #721c24;
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.filtering-results {
  margin-top: 20px;
}

.filtering-results h3 {
  margin: 0 0 15px 0;
  color: var(--color-primary);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .pattern-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .result-header {
    grid-template-columns: 1fr;
  }
  
  .category-grid {
    grid-template-columns: 1fr;
  }
  
  .test-item {
    grid-template-columns: 1fr;
    gap: 10px;
    text-align: center;
  }
  
  .category-header {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
}