/**
 * PDF Compress Pro - Frontend Styles
 *
 * @package PDF_Compress_Pro
 * @version 1.0.0
 */

/* CSS Variables for theming */
:root {
  --pdf-primary-color: #3498db;
  --pdf-success-color: #27ae60;
  --pdf-error-color: #e74c3c;
  --pdf-warning-color: #f39c12;
  --pdf-background-color: #ffffff;
  --pdf-text-color: #2c3e50;
  --pdf-border-color: #ecf0f1;
  --pdf-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --pdf-border-radius: 8px;
  --pdf-transition: all 0.3s ease;
  --pdf-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Dark mode variables */
[data-theme="dark"] {
  --pdf-background-color: #1e1e2e;
  --pdf-text-color: #e0e0e0;
  --pdf-border-color: #404040;
  --pdf-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Base styles */
.pdf-compress-container {
  font-family: var(--pdf-font-family);
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background: var(--pdf-background-color);
  color: var(--pdf-text-color);
  border-radius: var(--pdf-border-radius);
  box-shadow: var(--pdf-shadow);
}

.pdf-compress-container * {
  box-sizing: border-box;
}

/* Header styles */
.pdf-compress-header {
  text-align: center;
  margin-bottom: 30px;
  position: relative;
}

.pdf-compress-logo {
  max-width: 200px;
  height: auto;
  margin-bottom: 15px;
  transition: var(--pdf-transition);
}

.pdf-compress-logo-left {
  text-align: left;
}

.pdf-compress-logo-center {
  text-align: center;
}

.pdf-compress-logo-right {
  text-align: right;
}

.pdf-compress-logo-small {
  max-width: 120px;
}

.pdf-compress-logo-medium {
  max-width: 160px;
}

.pdf-compress-logo-large {
  max-width: 200px;
}

.pdf-compress-title {
  font-size: 2rem;
  font-weight: bold;
  margin: 10px 0;
  background: linear-gradient(135deg, var(--pdf-primary-color), #667eea);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
}

.pdf-compress-website {
  font-size: 0.9rem;
  color: var(--pdf-text-color);
  opacity: 0.8;
  margin-top: 5px;
}

.pdf-compress-website a {
  color: var(--pdf-primary-color);
  text-decoration: none;
}

.pdf-compress-website a:hover {
  text-decoration: underline;
}

.pdf-compress-creator {
  font-size: 0.8rem;
  color: var(--pdf-text-color);
  opacity: 0.7;
  margin-top: 10px;
}

/* Upload zone styles */
.pdf-compress-upload-zone {
  border: 2px dashed var(--pdf-border-color);
  border-radius: var(--pdf-border-radius);
  padding: 40px 20px;
  text-align: center;
  background: var(--pdf-background-color);
  transition: var(--pdf-transition);
  cursor: pointer;
  position: relative;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pdf-compress-upload-zone:hover,
.pdf-compress-upload-zone.dragover {
  border-color: var(--pdf-primary-color);
  background: rgba(52, 152, 219, 0.05);
  transform: scale(1.02);
}

.pdf-compress-upload-zone.dragover {
  border-color: var(--pdf-success-color);
  background: rgba(39, 174, 96, 0.05);
}

.upload-zone-content {
  pointer-events: none;
}

.upload-icon {
  width: 48px;
  height: 48px;
  color: var(--pdf-primary-color);
  margin-bottom: 15px;
  opacity: 0.7;
}

.pdf-compress-upload-zone p {
  margin: 0;
  font-size: 1.1rem;
  color: var(--pdf-text-color);
  opacity: 0.8;
}

/* File info display */
.pdf-compress-file-info {
  background: var(--pdf-background-color);
  border: 1px solid var(--pdf-border-color);
  border-radius: var(--pdf-border-radius);
  padding: 15px;
  margin: 20px 0;
  display: none;
}

.file-details {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 10px;
}

.file-details span {
  font-size: 0.9rem;
  color: var(--pdf-text-color);
  opacity: 0.8;
}

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

.status-badge {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: bold;
  text-transform: uppercase;
}

.status-ready {
  background: var(--pdf-success-color);
  color: white;
}

/* Compression levels */
.pdf-compress-compression-levels {
  margin: 30px 0;
}

.pdf-compress-compression-levels h3 {
  text-align: center;
  margin-bottom: 20px;
  color: var(--pdf-text-color);
}

.compression-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
}

.compression-option {
  border: 2px solid var(--pdf-border-color);
  border-radius: var(--pdf-border-radius);
  padding: 15px;
  transition: var(--pdf-transition);
  cursor: pointer;
  background: var(--pdf-background-color);
}

.compression-option:hover {
  border-color: var(--pdf-primary-color);
  transform: translateY(-2px);
  box-shadow: var(--pdf-shadow);
}

.compression-option input[type="radio"] {
  display: none;
}

.compression-option input[type="radio"]:checked + .option-content {
  border-color: var(--pdf-primary-color);
  background: rgba(52, 152, 219, 0.05);
}

.option-content strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 5px;
  color: var(--pdf-text-color);
}

.option-content p {
  margin: 5px 0;
  font-size: 0.9rem;
  color: var(--pdf-text-color);
  opacity: 0.8;
}

.option-content small {
  display: block;
  font-size: 0.8rem;
  color: var(--pdf-text-color);
  opacity: 0.6;
  font-style: italic;
}

/* Action buttons */
.pdf-compress-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 30px 0;
}

.pdf-compress-btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--pdf-border-radius);
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: var(--pdf-transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pdf-compress-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pdf-compress-btn-primary {
  background: var(--pdf-primary-color);
  color: white;
}

.pdf-compress-btn-primary:hover:not(:disabled) {
  background: #2980b9;
  transform: translateY(-2px);
  box-shadow: var(--pdf-shadow);
}

.pdf-compress-btn-secondary {
  background: transparent;
  color: var(--pdf-primary-color);
  border: 2px solid var(--pdf-primary-color);
}

.pdf-compress-btn-secondary:hover:not(:disabled) {
  background: var(--pdf-primary-color);
  color: white;
}

.pdf-compress-btn-light {
  background: transparent;
  color: var(--pdf-text-color);
  opacity: 0.7;
}

.pdf-compress-btn-light:hover:not(:disabled) {
  opacity: 1;
}

.btn-icon {
  font-size: 1.2rem;
}

/* Progress display */
.pdf-compress-progress {
  margin: 30px 0;
  display: none;
}

.progress-container {
  background: var(--pdf-background-color);
  border: 1px solid var(--pdf-border-color);
  border-radius: var(--pdf-border-radius);
  padding: 20px;
  text-align: center;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--pdf-border-color);
  border-radius: 4px;
  overflow: hidden;
  margin: 15px 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--pdf-primary-color), var(--pdf-success-color));
  border-radius: 4px;
  width: 0%;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 0.9rem;
  color: var(--pdf-text-color);
  opacity: 0.8;
}

/* Success message */
.pdf-compress-success {
  margin: 30px 0;
  display: none;
}

.success-header {
  text-align: center;
  margin-bottom: 20px;
}

.success-icon {
  font-size: 3rem;
  color: var(--pdf-success-color);
  margin-bottom: 10px;
}

.pdf-compress-success h3 {
  color: var(--pdf-success-color);
  margin: 10px 0;
  font-size: 1.5rem;
}

.compression-results {
  background: rgba(39, 174, 96, 0.1);
  border: 1px solid var(--pdf-success-color);
  border-radius: var(--pdf-border-radius);
  padding: 20px;
  margin: 20px 0;
  text-align: center;
}

.compression-results div {
  margin: 10px 0;
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--pdf-text-color);
}

.success-quote {
  text-align: center;
  margin: 20px 0;
  padding: 20px;
  background: var(--pdf-background-color);
  border-left: 4px solid var(--pdf-primary-color);
  font-style: italic;
}

.success-quote p {
  margin: 0;
  font-size: 1.1rem;
  color: var(--pdf-text-color);
  opacity: 0.9;
}

.success-quote cite {
  display: block;
  margin-top: 10px;
  font-size: 0.9rem;
  color: var(--pdf-text-color);
  opacity: 0.7;
  font-style: normal;
}

.success-actions {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Error message */
.pdf-compress-error {
  margin: 30px 0;
  display: none;
}

.error-content {
  text-align: center;
  padding: 30px;
  background: rgba(231, 76, 60, 0.1);
  border: 1px solid var(--pdf-error-color);
  border-radius: var(--pdf-border-radius);
}

.error-icon {
  font-size: 3rem;
  color: var(--pdf-error-color);
  margin-bottom: 15px;
}

.pdf-compress-error h3 {
  color: var(--pdf-error-color);
  margin: 10px 0;
  font-size: 1.5rem;
}

.pdf-compress-error p {
  margin: 15px 0;
  color: var(--pdf-text-color);
  opacity: 0.8;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.pdf-compress-container {
  animation: fadeIn 0.5s ease-out;
}

.pdf-compress-btn-primary:not(:disabled):active {
  animation: pulse 0.2s ease;
}

.pdf-compress-progress .progress-fill {
  animation: pulse 1s infinite;
}

/* Responsive design */
@media (max-width: 768px) {
  .pdf-compress-container {
    padding: 15px;
    margin: 0 10px;
  }

  .pdf-compress-title {
    font-size: 1.5rem;
  }

  .pdf-compress-upload-zone {
    min-height: 150px;
    padding: 30px 15px;
  }

  .compression-options {
    grid-template-columns: 1fr;
  }

  .pdf-compress-actions {
    flex-direction: column;
  }

  .pdf-compress-btn {
    width: 100%;
    justify-content: center;
  }

  .success-actions {
    flex-direction: column;
  }

  .file-details {
    flex-direction: column;
    gap: 5px;
  }
}

@media (max-width: 480px) {
  .pdf-compress-title {
    font-size: 1.3rem;
  }

  .pdf-compress-upload-zone {
    min-height: 120px;
    padding: 20px 10px;
  }

  .upload-icon {
    width: 36px;
    height: 36px;
  }

  .pdf-compress-upload-zone p {
    font-size: 1rem;
  }

  .compression-option {
    padding: 12px;
  }

  .pdf-compress-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles */
.pdf-compress-btn:focus,
.compression-option:focus,
.pdf-compress-upload-zone:focus {
  outline: 2px solid var(--pdf-primary-color);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --pdf-border-color: #000000;
    --pdf-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  }

  .pdf-compress-upload-zone {
    border-width: 3px;
  }

  .compression-option {
    border-width: 3px;
  }
}

/* Print styles */
@media print {
  .pdf-compress-container {
    box-shadow: none;
    border: 1px solid #000;
  }

  .pdf-compress-btn,
  .pdf-compress-upload-zone {
    display: none !important;
  }
}