/**
 * Snippet Extension - Modern Minimalist UI
 * Clean, user-friendly design with smooth animations
 */

/* ===== CSS Variables ===== */
:root {
  /* Colors */
  --primary: #4F46E5;
  --primary-hover: #4338CA;
  --primary-light: #EEF2FF;
  --secondary: #64748B;
  --danger: #EF4444;
  --danger-hover: #DC2626;
  --success: #10B981;
  --warning: #F59E0B;
  
  /* Neutrals */
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  
  /* 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);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  width: 420px;
  min-height: 500px;
  max-height: 600px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--gray-800);
  background: var(--gray-50);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ===== Header ===== */
.header {
  background: white;
  border-bottom: 1px solid var(--gray-200);
  padding: var(--spacing-lg);
  flex-shrink: 0;
}

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

.header-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--primary), #6366F1);
  color: white;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
}

/* ===== Search ===== */
.search-container {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: var(--spacing-md);
  color: var(--gray-400);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-sm) 40px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--gray-800);
  background: white;
  transition: all var(--transition-base);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.search-input::placeholder {
  color: var(--gray-400);
}

.search-clear {
  position: absolute;
  right: var(--spacing-sm);
  padding: var(--spacing-xs);
  border: none;
  background: none;
  color: var(--gray-400);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.search-clear:hover {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* ===== Main Content ===== */
.main {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  min-height: 0;
}

.main::-webkit-scrollbar {
  width: 6px;
}

.main::-webkit-scrollbar-track {
  background: transparent;
}

.main::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-full);
}

.main::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* ===== Snippet List ===== */
.snippet-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.snippet-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: all var(--transition-base);
  cursor: pointer;
  animation: slideIn var(--transition-base);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

.snippet-shortcut {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  font-family: 'Courier New', monospace;
}

.snippet-actions {
  display: flex;
  gap: var(--spacing-xs);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.snippet-action-btn {
  padding: var(--spacing-xs);
  border: none;
  background: none;
  color: var(--gray-500);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.snippet-action-btn:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

.snippet-action-btn.danger:hover {
  background: #FEE2E2;
  color: var(--danger);
}

.snippet-text {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.snippet-meta {
  margin-top: var(--spacing-sm);
  font-size: 11px;
  color: var(--gray-400);
}

/* ===== Empty State ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  min-height: 300px;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--spacing-sm);
}

.empty-text {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: var(--spacing-lg);
  max-width: 280px;
}

/* ===== Footer ===== */
.footer {
  background: white;
  border-top: 1px solid var(--gray-200);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.footer-btn {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--gray-300);
  background: white;
  color: var(--gray-700);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.footer-btn:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

.footer-info {
  font-size: 12px;
  color: var(--gray-500);
  white-space: nowrap;
}

/* ===== Buttons ===== */
.btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: white;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

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

.btn-danger:hover:not(:disabled) {
  background: var(--danger-hover);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-loader {
  display: inline-flex;
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn var(--transition-base);
}

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

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
}

.modal-content {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 380px;
  max-height: 90%;
  overflow: hidden;
  animation: slideUp var(--transition-base);
}

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

.modal-sm {
  max-width: 320px;
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
}

.modal-close {
  padding: var(--spacing-xs);
  border: none;
  background: none;
  color: var(--gray-500);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  max-height: 400px;
}

.modal-body::-webkit-scrollbar {
  width: 6px;
}

.modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-full);
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

/* ===== Form ===== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-xs);
}

.form-hint {
  font-size: 12px;
  font-weight: 400;
  color: var(--gray-500);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--gray-800);
  font-family: inherit;
  transition: all var(--transition-base);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

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

.input-prefix-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: var(--spacing-md);
  font-family: 'Courier New', monospace;
  font-weight: 600;
  color: var(--primary);
  pointer-events: none;
}

.form-input.with-prefix {
  padding-left: 32px;
}

.confirm-message {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ===== Notification ===== */
.notification {
  position: fixed;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  z-index: 2000;
  animation: slideUpNotif var(--transition-base);
  max-width: 90%;
}

@keyframes slideUpNotif {
  from {
    opacity: 0;
    transform: translate(-50%, 20px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.notification.success {
  border-left: 3px solid var(--success);
}

.notification.error {
  border-left: 3px solid var(--danger);
}

.notification.info {
  border-left: 3px solid var(--primary);
}

.notification-icon {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notification.success .notification-icon {
  background: var(--success);
}

.notification.error .notification-icon {
  background: var(--danger);
}

.notification.info .notification-icon {
  background: var(--primary);
}

.notification.success .notification-icon::after,
.notification.error .notification-icon::after,
.notification.info .notification-icon::after {
  content: '✓';
  color: white;
  font-size: 12px;
  font-weight: bold;
}

.notification.error .notification-icon::after {
  content: '✕';
}

.notification.info .notification-icon::after {
  content: 'i';
}

.notification-message {
  font-size: 14px;
  color: var(--gray-800);
  font-weight: 500;
}

/* ===== Spinner ===== */
.spinner {
  animation: spin 1s linear infinite;
}

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

/* ===== Utility Classes ===== */
.hidden {
  display: none !important;
}

.loading {
  opacity: 0.6;
  pointer-events: none;
}