/**
 * WPNLWeb Shortcode Styles - Modern Light Theme
 * 
 * Clean, modern light theme with professional appearance
 * Fully responsive with dark mode support
 * Easily customizable via CSS custom properties
 *
 * @package    Wpnlweb
 * @subpackage Wpnlweb/public/css
 * @since      1.0.0
 */

/* ====================
   CSS CUSTOM PROPERTIES
   ==================== */

:root {
  /* Primary colors - easily customizable */
  --wpnlweb-primary-color: #3b82f6;
  --wpnlweb-primary-hover: #2563eb;
  --wpnlweb-primary-active: #1d4ed8;

  /* Background colors */
  --wpnlweb-bg-primary: #ffffff;
  --wpnlweb-bg-secondary: #f9fafb;
  --wpnlweb-bg-results: #ffffff;

  /* Text colors */
  --wpnlweb-text-primary: #1f2937;
  --wpnlweb-text-secondary: #4b5563;
  --wpnlweb-text-muted: #6b7280;
  --wpnlweb-text-placeholder: #9ca3af;

  /* Border colors */
  --wpnlweb-border-primary: #e5e7eb;
  --wpnlweb-border-secondary: #f3f4f6;
  --wpnlweb-border-focus: var(--wpnlweb-primary-color);

  /* Shadows */
  --wpnlweb-shadow-sm: 0 2px 8px rgba(59, 130, 246, 0.25);
  --wpnlweb-shadow-md: 0 4px 12px rgba(59, 130, 246, 0.35);
  --wpnlweb-shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.1);
  --wpnlweb-shadow-container: 0 4px 20px rgba(0, 0, 0, 0.08);

  /* Spacing */
  --wpnlweb-border-radius: 8px;
  --wpnlweb-border-radius-lg: 12px;
  --wpnlweb-spacing-sm: 12px;
  --wpnlweb-spacing-md: 20px;
  --wpnlweb-spacing-lg: 30px;
}

/* ====================
   DEFAULT LIGHT THEME
   ==================== */

/* Search Container - Clean white with subtle shadow */
.wpnlweb-search-container {
  max-width: 600px;
  margin: var(--wpnlweb-spacing-md) auto;
  padding: var(--wpnlweb-spacing-lg);
  background: var(--wpnlweb-bg-primary);
  border-radius: var(--wpnlweb-border-radius-lg);
  box-shadow: var(--wpnlweb-shadow-container);
  border: 1px solid var(--wpnlweb-border-primary);
}

/* Search Form */
.wpnlweb-search-form {
  margin-bottom: 25px;
}

.wpnlweb-search-input-wrapper {
  display: flex;
  gap: var(--wpnlweb-spacing-sm);
  align-items: center;
  flex-wrap: wrap;
}

/* Input Field - Modern design with focus states */
.wpnlweb-search-input {
  flex: 1;
  min-width: 250px;
  padding: 14px 18px;
  border: 2px solid var(--wpnlweb-border-primary);
  border-radius: var(--wpnlweb-border-radius);
  font-size: 16px;
  background: var(--wpnlweb-bg-primary);
  color: var(--wpnlweb-text-primary);
  transition: all 0.2s ease;
  font-family: inherit;
}

.wpnlweb-search-input:focus {
  outline: none;
  border-color: var(--wpnlweb-border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  background: var(--wpnlweb-bg-primary);
}

.wpnlweb-search-input::placeholder {
  color: var(--wpnlweb-text-placeholder);
}

/* Search Button - Modern blue with hover effects */
.wpnlweb-search-button {
  padding: 14px 28px;
  background: linear-gradient(
    135deg,
    var(--wpnlweb-primary-color),
    var(--wpnlweb-primary-hover)
  );
  color: #ffffff;
  border: none;
  border-radius: var(--wpnlweb-border-radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  box-shadow: var(--wpnlweb-shadow-sm);
}

.wpnlweb-search-button:hover {
  background: linear-gradient(
    135deg,
    var(--wpnlweb-primary-hover),
    var(--wpnlweb-primary-active)
  );
  transform: translateY(-1px);
  box-shadow: var(--wpnlweb-shadow-md);
}

.wpnlweb-search-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3);
}

.wpnlweb-search-button:disabled {
  background: #d1d5db;
  color: #9ca3af;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Loading State - Elegant spinner */
.wpnlweb-loading {
  display: flex;
  align-items: center;
  gap: var(--wpnlweb-spacing-sm);
  margin-top: 18px;
  color: var(--wpnlweb-text-muted);
  font-style: italic;
  font-size: 15px;
}

.wpnlweb-spinner {
  width: 18px;
  height: 18px;
  border: 3px solid var(--wpnlweb-border-secondary);
  border-top: 3px solid var(--wpnlweb-primary-color);
  border-radius: 50%;
  animation: wpnlweb-spin 1s linear infinite;
}

@keyframes wpnlweb-spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Results Container - Clean separation */
.wpnlweb-search-results {
  margin-top: var(--wpnlweb-spacing-lg);
  padding-top: 25px;
  border-top: 2px solid var(--wpnlweb-border-secondary);
}

.wpnlweb-results-title {
  margin: 0 0 var(--wpnlweb-spacing-md) 0;
  color: var(--wpnlweb-text-primary);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.wpnlweb-results-content {
  /* Container for dynamic results */
}

/* No Results - Friendly empty state */
.wpnlweb-no-results {
  padding: 24px;
  text-align: center;
  color: var(--wpnlweb-text-muted);
  font-style: italic;
  background: var(--wpnlweb-bg-secondary);
  border: 2px dashed var(--wpnlweb-border-primary);
  border-radius: var(--wpnlweb-border-radius);
  font-size: 15px;
}

/* Results List */
.wpnlweb-results-list {
  display: flex;
  flex-direction: column;
  gap: var(--wpnlweb-spacing-md);
}

/* Result Items - Card-like design */
.wpnlweb-result-item {
  padding: 24px;
  background: var(--wpnlweb-bg-results);
  border: 1px solid var(--wpnlweb-border-primary);
  border-radius: var(--wpnlweb-border-radius);
  transition: all 0.2s ease;
  position: relative;
}

.wpnlweb-result-item:hover {
  box-shadow: var(--wpnlweb-shadow-lg);
  border-color: #d1d5db;
  transform: translateY(-2px);
}

.wpnlweb-result-title {
  margin: 0 0 var(--wpnlweb-spacing-sm) 0;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 600;
}

.wpnlweb-result-title a {
  color: var(--wpnlweb-text-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.wpnlweb-result-title a:hover {
  color: var(--wpnlweb-primary-color);
  text-decoration: none;
}

.wpnlweb-result-excerpt {
  margin: var(--wpnlweb-spacing-sm) 0 16px 0;
  color: var(--wpnlweb-text-secondary);
  line-height: 1.6;
  font-size: 15px;
}

.wpnlweb-result-excerpt p {
  margin: 0;
}

.wpnlweb-result-meta {
  display: flex;
  gap: 16px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--wpnlweb-text-placeholder);
  border-top: 1px solid var(--wpnlweb-border-secondary);
  padding-top: var(--wpnlweb-spacing-sm);
}

.wpnlweb-result-date,
.wpnlweb-result-author {
  white-space: nowrap;
}

.wpnlweb-result-date::before {
  content: "📅 ";
  margin-right: 4px;
}

.wpnlweb-result-author::before {
  content: "👤 ";
  margin-right: 4px;
}

/* Error Messages - Clear error styling */
.wpnlweb-error {
  padding: 16px var(--wpnlweb-spacing-md);
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
  border-radius: var(--wpnlweb-border-radius);
  margin-top: 15px;
  font-weight: 500;
}

.wpnlweb-error::before {
  content: "⚠️ ";
  margin-right: 8px;
}

/* ====================
   RESPONSIVE DESIGN
   ==================== */

@media (max-width: 600px) {
  .wpnlweb-search-container {
    margin: 15px;
    padding: 20px;
  }

  .wpnlweb-search-input-wrapper {
    flex-direction: column;
    align-items: stretch;
  }

  .wpnlweb-search-input {
    min-width: unset;
    margin-bottom: 12px;
  }

  .wpnlweb-search-button {
    width: 100%;
  }

  .wpnlweb-result-meta {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .wpnlweb-search-container {
    margin: 10px;
    padding: 16px;
  }

  .wpnlweb-result-item {
    padding: 18px;
  }

  .wpnlweb-result-title {
    font-size: 17px;
  }

  .wpnlweb-results-title {
    font-size: 18px;
  }
}

/* ====================
   DARK MODE SUPPORT
   ==================== */

@media (prefers-color-scheme: dark) {
  .wpnlweb-search-container {
    background: #1f2937;
    color: #f3f4f6;
    border-color: #374151;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }

  .wpnlweb-search-input {
    background: #374151;
    border-color: #4b5563;
    color: #f3f4f6;
  }

  .wpnlweb-search-input:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
    background: #374151;
  }

  .wpnlweb-search-input::placeholder {
    color: #9ca3af;
  }

  .wpnlweb-search-button {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
  }

  .wpnlweb-search-button:hover {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.5);
  }

  .wpnlweb-loading {
    color: #d1d5db;
  }

  .wpnlweb-spinner {
    border-color: #4b5563;
    border-top-color: #60a5fa;
  }

  .wpnlweb-search-results {
    border-top-color: #374151;
  }

  .wpnlweb-results-title {
    color: #f3f4f6;
  }

  .wpnlweb-result-item {
    background: #374151;
    border-color: #4b5563;
  }

  .wpnlweb-result-item:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    border-color: #6b7280;
  }

  .wpnlweb-result-title a {
    color: #f3f4f6;
  }

  .wpnlweb-result-title a:hover {
    color: #60a5fa;
  }

  .wpnlweb-result-excerpt {
    color: #d1d5db;
  }

  .wpnlweb-result-meta {
    color: #9ca3af;
    border-top-color: #4b5563;
  }

  .wpnlweb-no-results {
    background: #374151;
    color: #d1d5db;
    border-color: #4b5563;
  }

  .wpnlweb-error {
    background: #7f1d1d;
    color: #fca5a5;
    border-color: #991b1b;
  }
}

/* ====================
   ACCESSIBILITY
   ==================== */

@media (prefers-reduced-motion: reduce) {
  .wpnlweb-search-input,
  .wpnlweb-search-button,
  .wpnlweb-result-item,
  .wpnlweb-result-title a {
    transition: none;
  }

  .wpnlweb-spinner {
    animation: none;
  }

  .wpnlweb-search-button:hover,
  .wpnlweb-result-item:hover {
    transform: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .wpnlweb-search-input {
    border-width: 3px;
  }

  .wpnlweb-search-button {
    border: 2px solid currentColor;
  }

  .wpnlweb-result-item {
    border-width: 2px;
  }
}