/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}

.modal h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

/* Upload area */
.upload-area {
  border: 2px dashed var(--input-border);
  border-radius: var(--radius-lg);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  margin-bottom: 16px;
}

.upload-area:hover, .upload-area.dragover {
  border-color: var(--purple-400);
  background: var(--accent-subtle);
}

.upload-area p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.upload-area .icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.upload-file-info {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

/* Progress */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--btn-secondary-bg);
  border-radius: 3px;
  overflow: hidden;
  margin: 12px 0;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0;
}

.progress-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* Relay config */
.relay-input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.relay-input-row input {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid var(--input-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  background: var(--input-bg);
  color: var(--text-primary);
}

.relay-input-row input:focus {
  outline: none;
  border-color: var(--purple-500);
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

.relay-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--accent-subtle);
  color: var(--accent-text);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  margin: 4px 4px 4px 0;
}

.relay-tag button {
  background: none;
  border: none;
  color: var(--purple-400);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius);
  color: white;
  font-size: 0.85rem;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.25s ease;
  max-width: 340px;
}

.toast.success { background: var(--green-500); }
.toast.error { background: var(--red-500); }
.toast.info { background: var(--accent); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-default);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.loading-state {
  text-align: center;
  padding: 40px;
  color: var(--text-faint);
  grid-column: 1 / -1;
}