* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --success: #10b981;
  --success-hover: #059669;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --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;
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--gray-100);
  color: var(--gray-800);
  line-height: 1.5;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

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

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

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

.btn-secondary {
  background: var(--gray-200);
  color: var(--gray-700);
}
.btn-secondary:hover {
  background: var(--gray-300);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--gray-300);
  color: var(--gray-600);
}
.btn-outline:hover {
  background: var(--gray-100);
}

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

/* Login Page */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-box {
  background: white;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  width: 100%;
  max-width: 400px;
}

.login-box h1 {
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--gray-900);
}

.login-box .subtitle {
  color: var(--gray-500);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--gray-700);
}

.form-group input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.login-box .btn {
  width: 100%;
  margin-top: 8px;
}

/* Error/Success Messages */
.error-message {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  padding-top: 90px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: white;
  padding: 16px 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

header h1 {
  font-size: 24px;
  color: var(--gray-900);
}

header nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Upload Section */
.upload-section, .current-section {
  background: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  margin-bottom: 24px;
}

.upload-section h2, .current-section h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

.upload-section p, .current-section p {
  color: var(--gray-500);
  margin-bottom: 16px;
}

.drop-zone {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}

.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--primary);
  background: rgba(79, 70, 229, 0.05);
}

.drop-zone-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.drop-zone-text {
  color: var(--gray-500);
}

.drop-zone-hint {
  color: var(--gray-400);
  font-size: 13px;
  margin-top: 4px;
}

.file-list {
  margin-top: 16px;
}

.file-count {
  margin-top: 12px;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 14px;
}

.file-count.warning {
  background: #fef3c7;
  color: #92400e;
}

.file-count.success {
  background: #d1fae5;
  color: #065f46;
}

.file-count.error {
  background: #fee2e2;
  color: #991b1b;
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: var(--gray-50);
  border-radius: var(--radius);
  margin-bottom: 8px;
}

.btn-remove {
  background: none;
  border: none;
  color: var(--gray-400);
  font-size: 20px;
  cursor: pointer;
  padding: 0 8px;
}
.btn-remove:hover {
  color: var(--danger);
}

#upload-btn {
  margin-top: 16px;
}

.tag {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  margin-right: 8px;
}

/* Edit Page */
.edit-container {
  max-width: 100%;
}

.toolbar {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.search-box {
  flex: 1;
  min-width: 200px;
}

.search-box input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
}

.search-box input:focus {
  outline: none;
  border-color: var(--primary);
}

.language-legend {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.legend-title {
  font-weight: 500;
  color: var(--gray-600);
}

.lang-badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--primary);
  color: white;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

.lang-badge[data-lang*="ar"] {
  background: #059669;
}

.lang-badge[data-lang*="ckb"] {
  background: #d97706;
}

.status-message {
  padding: 0;
  margin-bottom: 16px;
  border-radius: var(--radius);
  opacity: 0;
  transition: opacity 0.3s;
}

.status-message.success {
  background: #d1fae5;
  border: 1px solid #6ee7b7;
  color: #065f46;
  padding: 12px 16px;
  opacity: 1;
}

.status-message.error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 12px 16px;
  opacity: 1;
}

.status-message.info {
  background: #dbeafe;
  border: 1px solid #93c5fd;
  color: #1e40af;
  padding: 12px 16px;
  opacity: 1;
}

.dirty-count {
  display: none;
  background: #fbbf24;
  color: #78350f;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

input.dirty,
textarea.dirty {
  border-color: #f59e0b !important;
  background-color: #fffbeb !important;
}

.lang-input-group.not-exists input,
.lang-input-group.not-exists textarea {
  background-color: #f3f4f6 !important;
  color: #9ca3af !important;
  cursor: not-allowed;
}

.lang-input-group.not-exists .lang-label {
  color: #9ca3af !important;
}

.edit-main {
  background: white;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  overflow: hidden;
}

.translation-tree {
  padding: 16px;
}

/* Section styles */
.section {
  margin-bottom: 8px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--gray-50);
  cursor: pointer;
  user-select: none;
}

.section-header:hover {
  background: var(--gray-100);
}

.toggle-icon {
  font-size: 12px;
  transition: transform 0.2s;
  color: var(--gray-400);
}

.section.collapsed .toggle-icon {
  transform: rotate(-90deg);
}

.section-key {
  font-weight: 600;
  color: var(--gray-800);
}

.section-path {
  font-size: 12px;
  color: var(--gray-400);
  margin-left: auto;
}

.section-content {
  padding: 8px 16px 16px;
}

.section.collapsed .section-content {
  display: none;
}

/* Translation item styles */
.translation-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--gray-100);
  background: white;
}

.translation-item:last-child {
  border-bottom: none;
}

.translation-item:hover {
  background: var(--gray-50);
}

.item-key {
  flex: none;
  width: 100%;
}

.key-label {
  display: block;
  font-weight: 600;
  color: var(--gray-800);
  word-break: break-word;
  font-size: 15px;
}

.key-path {
  display: block;
  font-size: 11px;
  color: var(--gray-400);
  word-break: break-all;
  margin-top: 2px;
}

.item-values-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.lang-input-group {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

.lang-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.5px;
  min-width: 50px;
  flex-shrink: 0;
}

.lang-input-group[data-lang*="ar"] .lang-label {
  color: #059669;
}

.lang-input-group[data-lang*="ckb"] .lang-label {
  color: #d97706;
}

.lang-input-group input,
.lang-input-group textarea {
  flex: 1;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.lang-input-group input:focus,
.lang-input-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.lang-input-group[data-lang*="ar"] input:focus,
.lang-input-group[data-lang*="ar"] textarea:focus {
  border-color: #059669;
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.lang-input-group[data-lang*="ckb"] input:focus,
.lang-input-group[data-lang*="ckb"] textarea:focus {
  border-color: #d97706;
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

.item-value {
  flex: 1;
  min-width: 0;
}

.item-value input,
.item-value textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}

.item-value input:focus,
.item-value textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* RTL support for Arabic and Kurdish */
input[data-lang*="ar"],
textarea[data-lang*="ar"],
input[data-lang*="ckb"],
textarea[data-lang*="ckb"] {
  direction: rtl;
  text-align: right;
}

/* Responsive */
@media (max-width: 1200px) {
  /* Already using flex column layout */
}

@media (max-width: 768px) {
  .container {
    padding: 12px;
  }
  
  header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .toolbar {
    flex-direction: column;
  }
  
  .language-legend {
    width: 100%;
  }
  
  .translation-item {
    flex-direction: column;
    gap: 8px;
  }
  
  .item-key {
    flex: none;
    width: 100%;
  }
  
  .item-values-grid {
    flex-direction: column;
  }
}

/* Apps Section */
.apps-section {
  background: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  margin-bottom: 24px;
}

.apps-section h2 {
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--gray-800);
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.app-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.2s;
}

.app-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.15);
}

.app-card.active {
  border-color: var(--primary);
  background: rgba(79, 70, 229, 0.05);
}

.app-info {
  flex: 1;
}

.app-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.app-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  color: var(--gray-500);
}

.app-langs {
  background: var(--gray-200);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 500;
}

.app-date {
  color: var(--gray-400);
}

.app-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

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

.inline-form {
  display: inline;
  margin: 0;
  padding: 0;
}

.no-apps {
  text-align: center;
  padding: 40px;
  color: var(--gray-500);
}

.no-apps p {
  font-size: 16px;
}

/* Success message */
.success-message {
  background: #d1fae5;
  border: 1px solid #6ee7b7;
  color: #065f46;
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

/* App Badge in Header */
.app-badge {
  display: inline-block;
  background: var(--primary);
  color: white;
  font-size: 14px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  margin-left: 12px;
  vertical-align: middle;
}

/* User Badge */
.user-badge {
  display: inline-block;
  background: var(--gray-600);
  color: white;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 4px;
  margin-right: 8px;
}