/* CaptureNote WebApp Styles */
:root {
  /* Colors */
  --primary-color: #667eea;
  --primary-dark: #5a6fd8;
  --secondary-color: #764ba2;
  --accent-color: #f093fb;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --info-color: #3b82f6;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
  
  /* Typography */
  --font-primary: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: #1f2937;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  min-height: 100vh;
}

/* WebApp Container */
.webapp-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.webapp-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.logo-text h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin: 0;
}

.zenithus-brand {
  font-size: 0.8rem;
  color: #6b7280;
  font-weight: 500;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: #6b7280;
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  font-weight: 500;
}

.nav-link:hover {
  color: var(--primary-color);
  background: rgba(102, 126, 234, 0.1);
}

.sync-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.sync-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

/* Main Content */
.webapp-main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  width: 100%;
}

/* Upload Section */
.upload-section {
  margin-bottom: var(--spacing-xl);
}

.upload-container {
  position: relative;
}

.upload-area {
  border: 2px dashed #d1d5db;
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  text-align: center;
  background: white;
  transition: all 0.3s ease;
  cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--primary-color);
  background: rgba(102, 126, 234, 0.05);
  transform: translateY(-2px);
}

.upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.upload-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
}

.upload-area h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1f2937;
  margin: 0;
}

.upload-area p {
  color: #6b7280;
  margin: 0;
}

.upload-formats {
  font-size: 0.9rem;
  color: #9ca3af;
}

.upload-btn {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.upload-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Processing Status */
.processing-status {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
}

.processing-animation {
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  width: 60px;
  height: 60px;
  border: 4px solid #e5e7eb;
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.processing-text h4 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin: 0 0 var(--spacing-xs) 0;
}

.processing-text p {
  color: #6b7280;
  margin: 0;
}

/* Search Section */
.search-section {
  margin-bottom: var(--spacing-xl);
}

.search-container {
  background: white;
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.search-bar {
  position: relative;
  display: flex;
  align-items: center;
  background: #f9fafb;
  border: 2px solid #e5e7eb;
  border-radius: var(--radius-lg);
  padding: var(--spacing-sm);
  transition: all 0.3s ease;
}

.search-bar:focus-within {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-bar i {
  color: #9ca3af;
  margin-right: var(--spacing-sm);
}

.search-bar input {
  flex: 1;
  border: none;
  background: none;
  outline: none;
  font-size: 1rem;
  color: #1f2937;
}

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

.search-btn {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-btn:hover {
  transform: scale(1.05);
}

.search-filters {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid #e5e7eb;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.filter-group label {
  font-weight: 500;
  color: #6b7280;
  font-size: 0.9rem;
}

.filter-group select {
  border: 1px solid #d1d5db;
  border-radius: var(--radius-md);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: white;
  color: #1f2937;
  cursor: pointer;
}

.clear-search-btn {
  background: #f3f4f6;
  color: #6b7280;
  border: 1px solid #d1d5db;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.9rem;
}

.clear-search-btn:hover {
  background: #e5e7eb;
}

/* Notes Section */
.notes-section {
  background: white;
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid #e5e7eb;
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: #1f2937;
  margin: 0;
}

.section-title i {
  color: var(--primary-color);
}

.section-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.action-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: #f3f4f6;
  color: #6b7280;
  border: 1px solid #d1d5db;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  font-weight: 500;
}

.action-btn:hover {
  background: #e5e7eb;
  color: #374151;
}

/* Notes Container */
.notes-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-xl);
  color: #9ca3af;
}

.empty-icon {
  width: 80px;
  height: 80px;
  background: #f3f4f6;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto var(--spacing-md);
}

.empty-state h3 {
  font-size: 1.2rem;
  color: #6b7280;
  margin: 0 0 var(--spacing-sm) 0;
}

.empty-state p {
  margin: 0;
}

/* Note Cards */
.note-card {
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.note-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.note-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
}

.note-category {
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.note-category.업무 { background: rgba(59, 130, 246, 0.1); color: #2563eb; }
.note-category.공부 { background: rgba(16, 185, 129, 0.1); color: #059669; }
.note-category.개인 { background: rgba(245, 158, 11, 0.1); color: #d97706; }
.note-category.아이디어 { background: rgba(139, 92, 246, 0.1); color: #7c3aed; }
.note-category.기타 { background: rgba(107, 114, 128, 0.1); color: #4b5563; }

.note-date {
  font-size: 0.8rem;
  color: #9ca3af;
}

.note-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #1f2937;
  margin: 0 0 var(--spacing-sm) 0;
  line-height: 1.3;
}

.note-content {
  color: #6b7280;
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0 0 var(--spacing-md) 0;
}

.note-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.note-tags {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.tag {
  background: rgba(102, 126, 234, 0.1);
  color: var(--primary-color);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 500;
}

.note-actions {
  display: flex;
  gap: var(--spacing-xs);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.note-card:hover .note-actions {
  opacity: 1;
}

.note-action-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: #f3f4f6;
  color: #6b7280;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

.note-action-btn:hover {
  background: #e5e7eb;
  color: #374151;
}

.note-action-btn.delete:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error-color);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-md);
}

.modal.show {
  display: flex;
}

.modal-content {
  background: white;
  border-radius: var(--radius-2xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-md);
  border-bottom: 1px solid #e5e7eb;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1f2937;
  margin: 0;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: #f3f4f6;
  color: #6b7280;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: #e5e7eb;
  color: #374151;
}

.modal-body {
  padding: var(--spacing-md) var(--spacing-xl);
  max-height: 60vh;
  overflow-y: auto;
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: 600;
  color: #374151;
  margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  font-size: 1rem;
  color: #1f2937;
  background: white;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group small {
  display: block;
  color: #9ca3af;
  font-size: 0.8rem;
  margin-top: var(--spacing-xs);
}

.translation-controls {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.translate-btn {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 500;
  white-space: nowrap;
}

.translate-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.modal-footer {
  padding: var(--spacing-md) var(--spacing-xl) var(--spacing-xl);
  border-top: 1px solid #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.export-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.export-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: #f3f4f6;
  color: #6b7280;
  border: 1px solid #d1d5db;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  font-weight: 500;
}

.export-btn:hover {
  background: #e5e7eb;
  color: #374151;
}

.modal-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 1rem;
}

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

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: #f3f4f6;
  color: #6b7280;
  border: 1px solid #d1d5db;
}

.btn-secondary:hover {
  background: #e5e7eb;
  color: #374151;
}

/* Sync Modal Specific */
.sync-content {
  text-align: center;
  padding: var(--spacing-xl);
}

.sync-qr {
  margin-bottom: var(--spacing-xl);
}

.qr-code {
  width: 200px;
  height: 200px;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-lg);
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-code canvas {
  max-width: 100%;
  max-height: 100%;
}

.sync-waiting {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.sync-animation {
  width: 60px;
  height: 60px;
  position: relative;
}

.pulse {
  width: 100%;
  height: 100%;
  border: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.8);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.5;
  }
  100% {
    transform: scale(0.8);
    opacity: 1;
  }
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.toast {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--info-color);
  min-width: 300px;
  transform: translateX(100%);
  transition: all 0.3s ease;
  font-weight: 500;
}

.toast.show {
  transform: translateX(0);
}

.toast-success {
  border-left-color: var(--success-color);
  color: var(--success-color);
}

.toast-error {
  border-left-color: var(--error-color);
  color: var(--error-color);
}

.toast-warning {
  border-left-color: var(--warning-color);
  color: var(--warning-color);
}

.toast-info {
  border-left-color: var(--info-color);
  color: var(--info-color);
}

/* Responsive Design */
@media (max-width: 768px) {
  .webapp-main {
    padding: var(--spacing-md);
  }
  
  .header-content {
    padding: 0 var(--spacing-sm);
  }
  
  .header-nav {
    gap: var(--spacing-sm);
  }
  
  .nav-link span,
  .sync-btn span {
    display: none;
  }
  
  .notes-container {
    grid-template-columns: 1fr;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .search-filters {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .modal-content {
    margin: var(--spacing-sm);
    max-height: calc(100vh - 2rem);
  }
  
  .modal-footer {
    flex-direction: column;
    align-items: stretch;
  }
  
  .export-actions,
  .modal-actions {
    justify-content: center;
  }
  
  .toast {
    min-width: auto;
    width: calc(100vw - 2rem);
  }
}

@media (max-width: 480px) {
  .upload-area {
    padding: var(--spacing-md);
  }
  
  .upload-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .upload-area h3 {
    font-size: 1.2rem;
  }
  
  .processing-status {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .spinner {
    width: 40px;
    height: 40px;
  }
  
  .note-card {
    padding: var(--spacing-sm);
  }
  
  .note-actions {
    opacity: 1;
  }
}

/* Loading States */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

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

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

.fade-in {
  animation: fadeIn 0.3s ease-out;
}

.slide-up {
  animation: slideUp 0.3s ease-out;
}

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

/* Focus Styles */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .webapp-header,
  .upload-section,
  .search-section,
  .section-actions,
  .note-actions,
  .modal {
    display: none !important;
  }
  
  .note-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #000;
  }
}