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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #f5f5f5;
  color: #333;
  min-height: 100vh;
}

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

.login-card {
  background: #fff;
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.login-card h1 {
  font-size: 24px;
  margin-bottom: 8px;
}

.login-card p {
  color: #666;
  margin-bottom: 24px;
}

/* Form elements */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: #444;
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 15px;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: #4a90d9;
  box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.15);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, opacity 0.2s;
}

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

.btn-primary {
  background: #4a90d9;
  color: #fff;
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  background: #3a7bc8;
}

.btn-danger {
  background: #e74c3c;
  color: #fff;
}

.btn-danger:hover:not(:disabled) {
  background: #c0392b;
}

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

.error-msg {
  background: #fef2f2;
  color: #dc2626;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
  display: none;
}

.error-msg.visible {
  display: block;
}

/* Navigation */
.nav {
  background: #fff;
  border-bottom: 1px solid #e5e5e5;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 56px;
}

.nav-brand {
  font-weight: 600;
  font-size: 16px;
  color: #333;
  margin-right: 32px;
}

.nav-user {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: #666;
}

.nav-user .btn {
  font-size: 13px;
}

/* Main content */
.main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

/* Upload area */
.upload-section {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.upload-section h2 {
  font-size: 18px;
  margin-bottom: 16px;
}

.drop-zone {
  border: 2px dashed #ccc;
  border-radius: 12px;
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.drop-zone:hover,
.drop-zone.dragover {
  border-color: #4a90d9;
  background: #f0f7ff;
}

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

.drop-zone-text {
  font-size: 16px;
  color: #666;
  margin-bottom: 4px;
}

.drop-zone-hint {
  font-size: 13px;
  color: #999;
}

/* Upload queue */
.upload-queue {
  margin-top: 16px;
}

.upload-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #f0f0f0;
}

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

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

.upload-item-name {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-item-meta {
  font-size: 12px;
  color: #888;
  margin-top: 2px;
}

.upload-progress {
  width: 100%;
  height: 6px;
  background: #e5e5e5;
  border-radius: 3px;
  margin-top: 6px;
  overflow: hidden;
}

.upload-progress-bar {
  height: 100%;
  background: #4a90d9;
  border-radius: 3px;
  transition: width 0.2s;
  width: 0%;
}

.upload-progress-bar.complete {
  background: #22c55e;
}

.upload-progress-bar.error {
  background: #ef4444;
}

.upload-item-status {
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.status-waiting { color: #888; }
.status-uploading { color: #4a90d9; }
.status-complete { color: #22c55e; }
.status-error { color: #ef4444; }

/* Files table */
.files-section {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.files-section h2 {
  font-size: 18px;
  margin-bottom: 16px;
}

.files-table {
  width: 100%;
  border-collapse: collapse;
}

.files-table th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 12px;
  border-bottom: 2px solid #f0f0f0;
}

.files-table td {
  padding: 12px;
  font-size: 14px;
  border-bottom: 1px solid #f5f5f5;
}

.files-table tr:hover td {
  background: #fafafa;
}

.file-name {
  font-weight: 500;
  max-width: 300px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.btn-icon {
  background: none;
  border: 1px solid #ddd;
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 13px;
  color: #555;
  transition: all 0.2s;
}

.btn-icon:hover {
  background: #f5f5f5;
  border-color: #bbb;
}

.btn-icon.delete:hover {
  background: #fef2f2;
  border-color: #fca5a5;
  color: #dc2626;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
  font-size: 14px;
  color: #666;
}

.pagination button {
  padding: 6px 16px;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: #999;
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.empty-state-text {
  font-size: 15px;
}

/* Confirm dialog */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.modal {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.modal h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.modal p {
  font-size: 14px;
  color: #666;
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.hidden {
  display: none !important;
}

/* Turnstile */
.turnstile-container {
  margin: 16px 0;
  display: flex;
  justify-content: center;
}